| //===-- Unittests for sprintf ---------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "src/stdio/sprintf.h" |
| |
| #include "src/__support/FPUtil/FPBits.h" |
| #include "test/UnitTest/RoundingModeUtils.h" |
| #include "test/UnitTest/Test.h" |
| #include <inttypes.h> |
| |
| // TODO: Add a comment here explaining the printf format string. |
| |
| // #include <stdio.h> |
| // namespace LIBC_NAMESPACE { |
| // using ::sprintf; |
| // } |
| |
| class LlvmLibcSPrintfTest : public LIBC_NAMESPACE::testing::Test { |
| protected: |
| char buff[1000]; |
| int written; |
| }; |
| |
| using LIBC_NAMESPACE::fputil::testing::ForceRoundingMode; |
| using LIBC_NAMESPACE::fputil::testing::RoundingMode; |
| |
| // Subtract 1 from sizeof(expected_str) to account for the null byte. |
| #define ASSERT_STREQ_LEN(actual_written, actual_str, expected_str) \ |
| EXPECT_EQ(actual_written, static_cast<int>(sizeof(expected_str) - 1)); \ |
| EXPECT_STREQ(actual_str, expected_str); |
| |
| #define macro_test(FMT, X, expected) \ |
| do { \ |
| for (char &c : buff) { \ |
| c = 0; \ |
| } \ |
| LIBC_NAMESPACE::sprintf(buff, "%" FMT, X); \ |
| ASSERT_STREQ(buff, expected); \ |
| } while (0) |
| |
| TEST(LlvmLibcSPrintfTest, Macros) { |
| char buff[128]; |
| macro_test(PRIu8, 1, "1"); |
| macro_test(PRIX16, 0xAA, "AA"); |
| macro_test(PRId32, -123, "-123"); |
| macro_test(PRIX32, 0xFFFFFF85, "FFFFFF85"); |
| macro_test(PRIo8, 0xFF, "377"); |
| macro_test(PRIo64, 0123, "123"); |
| } |
| |
| TEST(LlvmLibcSPrintfTest, SimpleNoConv) { |
| char buff[64]; |
| int written; |
| |
| written = |
| LIBC_NAMESPACE::sprintf(buff, "A simple string with no conversions."); |
| EXPECT_EQ(written, 36); |
| ASSERT_STREQ(buff, "A simple string with no conversions."); |
| } |
| |
| TEST(LlvmLibcSPrintfTest, PercentConv) { |
| char buff[64]; |
| int written; |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%%"); |
| EXPECT_EQ(written, 1); |
| ASSERT_STREQ(buff, "%"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "abc %% def"); |
| EXPECT_EQ(written, 9); |
| ASSERT_STREQ(buff, "abc % def"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%%%%%%"); |
| EXPECT_EQ(written, 3); |
| ASSERT_STREQ(buff, "%%%"); |
| } |
| |
| TEST(LlvmLibcSPrintfTest, CharConv) { |
| char buff[64]; |
| int written; |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%c", 'a'); |
| EXPECT_EQ(written, 1); |
| ASSERT_STREQ(buff, "a"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%3c %-3c", '1', '2'); |
| EXPECT_EQ(written, 7); |
| ASSERT_STREQ(buff, " 1 2 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%*c", 2, '3'); |
| EXPECT_EQ(written, 2); |
| ASSERT_STREQ(buff, " 3"); |
| } |
| |
| TEST(LlvmLibcSPrintfTest, StringConv) { |
| char buff[64]; |
| int written; |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%s", "abcDEF123"); |
| EXPECT_EQ(written, 9); |
| ASSERT_STREQ(buff, "abcDEF123"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%10s %-10s", "centered", "title"); |
| EXPECT_EQ(written, 21); |
| ASSERT_STREQ(buff, " centered title "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-5.4s%-4.4s", "words can describe", |
| "soups most delicious"); |
| EXPECT_EQ(written, 9); |
| ASSERT_STREQ(buff, "word soup"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%*s %.*s %*.*s", 10, "beginning", 2, |
| "isn't", 12, 10, "important. Ever."); |
| EXPECT_EQ(written, 26); |
| ASSERT_STREQ(buff, " beginning is important."); |
| |
| #ifndef LIBC_COPT_PRINTF_NO_NULLPTR_CHECKS |
| written = LIBC_NAMESPACE::sprintf(buff, "%s", nullptr); |
| EXPECT_EQ(written, 6); |
| ASSERT_STREQ(buff, "(null)"); |
| #endif // LIBC_COPT_PRINTF_NO_NULLPTR_CHECKS |
| } |
| |
| TEST(LlvmLibcSPrintfTest, IntConv) { |
| char buff[64]; |
| int written; |
| |
| // Basic Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%d", 123); |
| EXPECT_EQ(written, 3); |
| ASSERT_STREQ(buff, "123"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%i", -456); |
| EXPECT_EQ(written, 4); |
| ASSERT_STREQ(buff, "-456"); |
| |
| // Length Modifier Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%hhu", 257); // 0x101 |
| EXPECT_EQ(written, 1); |
| ASSERT_STREQ(buff, "1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%llu", 18446744073709551615ull); |
| EXPECT_EQ(written, 20); |
| ASSERT_STREQ(buff, "18446744073709551615"); // ull max |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%u", ~0); |
| if (sizeof(int) == 4) { |
| EXPECT_EQ(written, 10); |
| ASSERT_STREQ(buff, "4294967295"); |
| } |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%tu", ~ptrdiff_t(0)); |
| if (sizeof(ptrdiff_t) == 8) { |
| EXPECT_EQ(written, 20); |
| ASSERT_STREQ(buff, "18446744073709551615"); |
| } else if (sizeof(ptrdiff_t) == 4) { |
| EXPECT_EQ(written, 10); |
| ASSERT_STREQ(buff, "4294967295"); |
| } |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%lld", -9223372036854775807ll - 1ll); |
| EXPECT_EQ(written, 20); |
| ASSERT_STREQ(buff, "-9223372036854775808"); // ll min |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%w3d", 5807); |
| EXPECT_EQ(written, 1); |
| ASSERT_STREQ(buff, "7"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%w3d", 1); |
| EXPECT_EQ(written, 1); |
| ASSERT_STREQ(buff, "1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%w64d", 9223372036854775807ll); |
| EXPECT_EQ(written, 19); |
| ASSERT_STREQ(buff, "9223372036854775807"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%w-1d", 5807); |
| EXPECT_EQ(written, 5); |
| ASSERT_STREQ(buff, "%w-1d"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%w0d", 5807); |
| EXPECT_EQ(written, 4); |
| ASSERT_STREQ(buff, "%w0d"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%w999d", 9223372036854775807ll); |
| EXPECT_EQ(written, 19); |
| ASSERT_STREQ(buff, "9223372036854775807"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%winvalid%w1d", 5807, 5807); |
| EXPECT_EQ(written, 10); |
| ASSERT_STREQ(buff, "%winvalid1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%w-1d%w1d", 5807, 5807); |
| EXPECT_EQ(written, 6); |
| ASSERT_STREQ(buff, "%w-1d1"); |
| |
| char format[64]; |
| char uintmax[128]; |
| LIBC_NAMESPACE::sprintf(format, "%%w%du", sizeof(uintmax_t) * CHAR_BIT); |
| const int uintmax_len = |
| LIBC_NAMESPACE::sprintf(uintmax, "%ju", sizeof(uintmax_t) * CHAR_BIT); |
| written = LIBC_NAMESPACE::sprintf(buff, format, sizeof(uintmax_t) * CHAR_BIT); |
| EXPECT_EQ(written, uintmax_len); |
| ASSERT_STREQ(buff, uintmax); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%w64u", 18446744073709551615ull); |
| EXPECT_EQ(written, 20); |
| ASSERT_STREQ(buff, "18446744073709551615"); // ull max |
| |
| written = |
| LIBC_NAMESPACE::sprintf(buff, "%w64d", -9223372036854775807ll - 1ll); |
| EXPECT_EQ(written, 20); |
| ASSERT_STREQ(buff, "-9223372036854775808"); // ll min |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%wf3d", 5807); |
| EXPECT_EQ(written, 1); |
| ASSERT_STREQ(buff, "7"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%wf3d", 1); |
| EXPECT_EQ(written, 1); |
| ASSERT_STREQ(buff, "1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%wf64u", 18446744073709551615ull); |
| EXPECT_EQ(written, 20); |
| ASSERT_STREQ(buff, "18446744073709551615"); // ull max |
| |
| written = |
| LIBC_NAMESPACE::sprintf(buff, "%wf64d", -9223372036854775807ll - 1ll); |
| EXPECT_EQ(written, 20); |
| ASSERT_STREQ(buff, "-9223372036854775808"); // ll min |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%wf0d", 5807); |
| EXPECT_EQ(written, 5); |
| ASSERT_STREQ(buff, "%wf0d"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%wf-1d", 5807); |
| EXPECT_EQ(written, 6); |
| ASSERT_STREQ(buff, "%wf-1d"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%wfinvalid%wf1d", 5807, 5807); |
| EXPECT_EQ(written, 11); |
| ASSERT_STREQ(buff, "%wfinvalid1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%wf-1d%wf1d", 5807, 5807); |
| EXPECT_EQ(written, 7); |
| ASSERT_STREQ(buff, "%wf-1d1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%wf999d", 9223372036854775807ll); |
| EXPECT_EQ(written, 19); |
| ASSERT_STREQ(buff, "9223372036854775807"); |
| |
| // Min Width Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%4d", 789); |
| EXPECT_EQ(written, 4); |
| ASSERT_STREQ(buff, " 789"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%2d", 987); |
| EXPECT_EQ(written, 3); |
| ASSERT_STREQ(buff, "987"); |
| |
| // Precision Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%d", 0); |
| EXPECT_EQ(written, 1); |
| ASSERT_STREQ(buff, "0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.0d", 0); |
| EXPECT_EQ(written, 0); |
| ASSERT_STREQ(buff, ""); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.5d", 654); |
| EXPECT_EQ(written, 5); |
| ASSERT_STREQ(buff, "00654"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.5d", -321); |
| EXPECT_EQ(written, 6); |
| ASSERT_STREQ(buff, "-00321"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2d", 135); |
| EXPECT_EQ(written, 3); |
| ASSERT_STREQ(buff, "135"); |
| |
| // Flag Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.5d", -321); |
| EXPECT_EQ(written, 6); |
| ASSERT_STREQ(buff, "-00321"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-5d", 246); |
| EXPECT_EQ(written, 5); |
| ASSERT_STREQ(buff, "246 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-5d", -147); |
| EXPECT_EQ(written, 5); |
| ASSERT_STREQ(buff, "-147 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%+d", 258); |
| EXPECT_EQ(written, 4); |
| ASSERT_STREQ(buff, "+258"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "% d", 369); |
| EXPECT_EQ(written, 4); |
| ASSERT_STREQ(buff, " 369"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%05d", 470); |
| EXPECT_EQ(written, 5); |
| ASSERT_STREQ(buff, "00470"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%05d", -581); |
| EXPECT_EQ(written, 5); |
| ASSERT_STREQ(buff, "-0581"); |
| |
| // Combined Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%+ u", 692); |
| EXPECT_EQ(written, 3); |
| ASSERT_STREQ(buff, "692"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%+ -05d", 703); |
| EXPECT_EQ(written, 5); |
| ASSERT_STREQ(buff, "+703 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%7.5d", 814); |
| EXPECT_EQ(written, 7); |
| ASSERT_STREQ(buff, " 00814"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%7.5d", -925); |
| EXPECT_EQ(written, 7); |
| ASSERT_STREQ(buff, " -00925"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%7.5d", 159); |
| EXPECT_EQ(written, 7); |
| ASSERT_STREQ(buff, " 00159"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "% -7.5d", 260); |
| EXPECT_EQ(written, 7); |
| ASSERT_STREQ(buff, " 00260 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%5.4d", 10000); |
| EXPECT_EQ(written, 5); |
| ASSERT_STREQ(buff, "10000"); |
| |
| // Multiple Conversion Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%10d %-10d", 456, -789); |
| EXPECT_EQ(written, 21); |
| ASSERT_STREQ(buff, " 456 -789 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-5.4d%+.4u", 75, 25); |
| EXPECT_EQ(written, 9); |
| ASSERT_STREQ(buff, "0075 0025"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "% 05hhi %+-0.5llu %-+ 06.3zd", |
| 256 + 127, 68719476736ll, size_t(2)); |
| EXPECT_EQ(written, 24); |
| ASSERT_STREQ(buff, " 0127 68719476736 +002 "); |
| } |
| |
| TEST(LlvmLibcSPrintfTest, HexConv) { |
| char buff[64]; |
| int written; |
| |
| // Basic Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%x", 0x123a); |
| EXPECT_EQ(written, 4); |
| ASSERT_STREQ(buff, "123a"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%X", 0x456b); |
| EXPECT_EQ(written, 4); |
| ASSERT_STREQ(buff, "456B"); |
| |
| // Length Modifier Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%hhx", 0x10001); |
| EXPECT_EQ(written, 1); |
| ASSERT_STREQ(buff, "1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%llx", 0xffffffffffffffffull); |
| EXPECT_EQ(written, 16); |
| ASSERT_STREQ(buff, "ffffffffffffffff"); // ull max |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%tX", ~ptrdiff_t(0)); |
| if (sizeof(ptrdiff_t) == 8) { |
| EXPECT_EQ(written, 16); |
| ASSERT_STREQ(buff, "FFFFFFFFFFFFFFFF"); |
| } else if (sizeof(ptrdiff_t) == 4) { |
| EXPECT_EQ(written, 8); |
| ASSERT_STREQ(buff, "FFFFFFFF"); |
| } |
| |
| // Min Width Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%4x", 0x789); |
| EXPECT_EQ(written, 4); |
| ASSERT_STREQ(buff, " 789"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%2X", 0x987); |
| EXPECT_EQ(written, 3); |
| ASSERT_STREQ(buff, "987"); |
| |
| // Precision Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%x", 0); |
| EXPECT_EQ(written, 1); |
| ASSERT_STREQ(buff, "0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.0x", 0); |
| EXPECT_EQ(written, 0); |
| ASSERT_STREQ(buff, ""); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.5x", 0x1F3); |
| EXPECT_EQ(written, 5); |
| ASSERT_STREQ(buff, "001f3"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2x", 0x135); |
| EXPECT_EQ(written, 3); |
| ASSERT_STREQ(buff, "135"); |
| |
| // Flag Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-5x", 0x246); |
| EXPECT_EQ(written, 5); |
| ASSERT_STREQ(buff, "246 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%#x", 0xd3f); |
| EXPECT_EQ(written, 5); |
| ASSERT_STREQ(buff, "0xd3f"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%#x", 0); |
| EXPECT_EQ(written, 1); |
| ASSERT_STREQ(buff, "0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%#X", 0xE40); |
| EXPECT_EQ(written, 5); |
| ASSERT_STREQ(buff, "0XE40"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%05x", 0x470); |
| EXPECT_EQ(written, 5); |
| ASSERT_STREQ(buff, "00470"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%0#6x", 0x8c3); |
| EXPECT_EQ(written, 6); |
| ASSERT_STREQ(buff, "0x08c3"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-#6x", 0x5f0); |
| EXPECT_EQ(written, 6); |
| ASSERT_STREQ(buff, "0x5f0 "); |
| |
| // Combined Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%#-07x", 0x703); |
| EXPECT_EQ(written, 7); |
| ASSERT_STREQ(buff, "0x703 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%7.5x", 0x814); |
| EXPECT_EQ(written, 7); |
| ASSERT_STREQ(buff, " 00814"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%#9.5X", 0x9d4); |
| EXPECT_EQ(written, 9); |
| ASSERT_STREQ(buff, " 0X009D4"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%#.x", 0); |
| EXPECT_EQ(written, 0); |
| ASSERT_STREQ(buff, ""); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-7.5x", 0x260); |
| EXPECT_EQ(written, 7); |
| ASSERT_STREQ(buff, "00260 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%5.4x", 0x10000); |
| EXPECT_EQ(written, 5); |
| ASSERT_STREQ(buff, "10000"); |
| |
| // Multiple Conversion Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%10X %-#10x", 0x45b, 0x789); |
| EXPECT_EQ(written, 21); |
| ASSERT_STREQ(buff, " 45B 0x789 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-5.4x%#.4x", 0x75, 0x25); |
| EXPECT_EQ(written, 11); |
| ASSERT_STREQ(buff, "0075 0x0025"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%04hhX %#.5llx %-6.3zX", 256 + 0x7f, |
| 0x1000000000ll, size_t(2)); |
| EXPECT_EQ(written, 24); |
| ASSERT_STREQ(buff, "007F 0x1000000000 002 "); |
| } |
| |
| TEST(LlvmLibcSPrintfTest, BinConv) { |
| char buff[64]; |
| int written; |
| |
| // Basic Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%b", 42); |
| EXPECT_EQ(written, 6); |
| ASSERT_STREQ(buff, "101010"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%B", 12081991); |
| EXPECT_EQ(written, 24); |
| ASSERT_STREQ(buff, "101110000101101101000111"); |
| |
| // Min Width Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%10b", 0b101010); |
| EXPECT_EQ(written, 10); |
| ASSERT_STREQ(buff, " 101010"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%2B", 0b101010); |
| EXPECT_EQ(written, 6); |
| ASSERT_STREQ(buff, "101010"); |
| |
| // Precision Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%b", 0); |
| EXPECT_EQ(written, 1); |
| ASSERT_STREQ(buff, "0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.0b", 0); |
| EXPECT_EQ(written, 0); |
| ASSERT_STREQ(buff, ""); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.5b", 0b111); |
| EXPECT_EQ(written, 5); |
| ASSERT_STREQ(buff, "00111"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2b", 0b111); |
| EXPECT_EQ(written, 3); |
| ASSERT_STREQ(buff, "111"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%3b", 0b111); |
| EXPECT_EQ(written, 3); |
| ASSERT_STREQ(buff, "111"); |
| |
| // Flag Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-5b", 0b111); |
| EXPECT_EQ(written, 5); |
| ASSERT_STREQ(buff, "111 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%#b", 0b111); |
| EXPECT_EQ(written, 5); |
| ASSERT_STREQ(buff, "0b111"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%#b", 0); |
| EXPECT_EQ(written, 1); |
| ASSERT_STREQ(buff, "0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%#B", 0b111); |
| EXPECT_EQ(written, 5); |
| ASSERT_STREQ(buff, "0B111"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%05b", 0b111); |
| EXPECT_EQ(written, 5); |
| ASSERT_STREQ(buff, "00111"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%0#6b", 0b111); |
| EXPECT_EQ(written, 6); |
| ASSERT_STREQ(buff, "0b0111"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-#6b", 0b111); |
| EXPECT_EQ(written, 6); |
| ASSERT_STREQ(buff, "0b111 "); |
| |
| // Combined Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%#-07b", 0b111); |
| EXPECT_EQ(written, 7); |
| ASSERT_STREQ(buff, "0b111 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%7.5b", 0b111); |
| EXPECT_EQ(written, 7); |
| ASSERT_STREQ(buff, " 00111"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%#9.5B", 0b111); |
| EXPECT_EQ(written, 9); |
| ASSERT_STREQ(buff, " 0B00111"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%#.b", 0); |
| EXPECT_EQ(written, 0); |
| ASSERT_STREQ(buff, ""); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-7.5b", 0b111); |
| EXPECT_EQ(written, 7); |
| ASSERT_STREQ(buff, "00111 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%5.4b", 0b1111); |
| EXPECT_EQ(written, 5); |
| ASSERT_STREQ(buff, " 1111"); |
| |
| // Multiple Conversion Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%10B %-#10b", 0b101, 0b110); |
| EXPECT_EQ(written, 21); |
| ASSERT_STREQ(buff, " 101 0b110 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-5.4b%#.4b", 0b101, 0b110); |
| EXPECT_EQ(written, 11); |
| ASSERT_STREQ(buff, "0101 0b0110"); |
| } |
| |
| TEST(LlvmLibcSPrintfTest, PointerConv) { |
| char buff[64]; |
| int written; |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%p", nullptr); |
| EXPECT_EQ(written, 9); |
| ASSERT_STREQ(buff, "(nullptr)"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%p", 0x1a2b3c4d); |
| EXPECT_EQ(written, 10); |
| ASSERT_STREQ(buff, "0x1a2b3c4d"); |
| |
| if constexpr (sizeof(void *) > 4) { |
| written = LIBC_NAMESPACE::sprintf(buff, "%p", 0x1a2b3c4d5e6f7081); |
| EXPECT_EQ(written, 18); |
| ASSERT_STREQ(buff, "0x1a2b3c4d5e6f7081"); |
| } |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%p", buff); |
| EXPECT_GT(written, 0); |
| |
| // Width tests: |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%20p", nullptr); |
| EXPECT_EQ(written, 20); |
| ASSERT_STREQ(buff, " (nullptr)"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%20p", 0x1a2b3c4d); |
| EXPECT_EQ(written, 20); |
| ASSERT_STREQ(buff, " 0x1a2b3c4d"); |
| |
| // Flag tests: |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-20p", nullptr); |
| EXPECT_EQ(written, 20); |
| ASSERT_STREQ(buff, "(nullptr) "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-20p", 0x1a2b3c4d); |
| EXPECT_EQ(written, 20); |
| ASSERT_STREQ(buff, "0x1a2b3c4d "); |
| |
| // Using the 0 flag is technically undefined, but here we're following the |
| // convention of matching the behavior of %#x. |
| written = LIBC_NAMESPACE::sprintf(buff, "%020p", 0x1a2b3c4d); |
| EXPECT_EQ(written, 20); |
| ASSERT_STREQ(buff, "0x00000000001a2b3c4d"); |
| |
| // Precision tests: |
| // These are all undefined behavior. The precision option is undefined for %p. |
| |
| // Precision specifies the number of characters for a string conversion. |
| written = LIBC_NAMESPACE::sprintf(buff, "%.5p", nullptr); |
| EXPECT_EQ(written, 5); |
| ASSERT_STREQ(buff, "(null"); |
| |
| // Precision specifies the number of digits to be written for %x conversions, |
| // and the "0x" doesn't count as part of the digits. |
| written = LIBC_NAMESPACE::sprintf(buff, "%.20p", 0x1a2b3c4d); |
| EXPECT_EQ(written, 22); |
| ASSERT_STREQ(buff, "0x0000000000001a2b3c4d"); |
| } |
| |
| TEST(LlvmLibcSPrintfTest, OctConv) { |
| char buff[64]; |
| int written; |
| |
| // Basic Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%o", 01234); |
| EXPECT_EQ(written, 4); |
| ASSERT_STREQ(buff, "1234"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%o", 04567); |
| EXPECT_EQ(written, 4); |
| ASSERT_STREQ(buff, "4567"); |
| |
| // Length Modifier Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%hho", 0401); |
| EXPECT_EQ(written, 1); |
| ASSERT_STREQ(buff, "1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%llo", 01777777777777777777777ull); |
| EXPECT_EQ(written, 22); |
| ASSERT_STREQ(buff, "1777777777777777777777"); // ull max |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%to", ~ptrdiff_t(0)); |
| if (sizeof(ptrdiff_t) == 8) { |
| EXPECT_EQ(written, 22); |
| ASSERT_STREQ(buff, "1777777777777777777777"); |
| } else if (sizeof(ptrdiff_t) == 4) { |
| EXPECT_EQ(written, 11); |
| ASSERT_STREQ(buff, "37777777777"); |
| } |
| |
| // Min Width Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%4o", 0701); |
| EXPECT_EQ(written, 4); |
| ASSERT_STREQ(buff, " 701"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%2o", 0107); |
| EXPECT_EQ(written, 3); |
| ASSERT_STREQ(buff, "107"); |
| |
| // Precision Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%o", 0); |
| EXPECT_EQ(written, 1); |
| ASSERT_STREQ(buff, "0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.0o", 0); |
| EXPECT_EQ(written, 0); |
| ASSERT_STREQ(buff, ""); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.5o", 0153); |
| EXPECT_EQ(written, 5); |
| ASSERT_STREQ(buff, "00153"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2o", 0135); |
| EXPECT_EQ(written, 3); |
| ASSERT_STREQ(buff, "135"); |
| |
| // Flag Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-5o", 0246); |
| EXPECT_EQ(written, 5); |
| ASSERT_STREQ(buff, "246 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%#o", 0234); |
| EXPECT_EQ(written, 4); |
| ASSERT_STREQ(buff, "0234"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%#o", 0); |
| EXPECT_EQ(written, 1); |
| ASSERT_STREQ(buff, "0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%05o", 0470); |
| EXPECT_EQ(written, 5); |
| ASSERT_STREQ(buff, "00470"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%0#6o", 0753); |
| EXPECT_EQ(written, 6); |
| ASSERT_STREQ(buff, "000753"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-#6o", 0642); |
| EXPECT_EQ(written, 6); |
| ASSERT_STREQ(buff, "0642 "); |
| |
| // Combined Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%#-07o", 0703); |
| EXPECT_EQ(written, 7); |
| ASSERT_STREQ(buff, "0703 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%#.o", 0); |
| EXPECT_EQ(written, 1); |
| ASSERT_STREQ(buff, "0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%7.5o", 0314); |
| EXPECT_EQ(written, 7); |
| ASSERT_STREQ(buff, " 00314"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%#9.5o", 0234); |
| EXPECT_EQ(written, 9); |
| ASSERT_STREQ(buff, " 00234"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-7.5o", 0260); |
| EXPECT_EQ(written, 7); |
| ASSERT_STREQ(buff, "00260 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%5.4o", 010000); |
| EXPECT_EQ(written, 5); |
| ASSERT_STREQ(buff, "10000"); |
| |
| // Multiple Conversion Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%10o %-#10o", 0456, 0123); |
| EXPECT_EQ(written, 21); |
| ASSERT_STREQ(buff, " 456 0123 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-5.4o%#.4o", 075, 025); |
| EXPECT_EQ(written, 9); |
| ASSERT_STREQ(buff, "0075 0025"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%04hho %#.5llo %-6.3zo", 256 + 077, |
| 01000000000000ll, size_t(2)); |
| EXPECT_EQ(written, 26); |
| ASSERT_STREQ(buff, "0077 01000000000000 002 "); |
| } |
| |
| #ifndef LIBC_COPT_PRINTF_DISABLE_FLOAT |
| |
| TEST_F(LlvmLibcSPrintfTest, FloatHexExpConv) { |
| ForceRoundingMode r(RoundingMode::Nearest); |
| double inf = LIBC_NAMESPACE::fputil::FPBits<double>::inf().get_val(); |
| double nan = LIBC_NAMESPACE::fputil::FPBits<double>::quiet_nan().get_val(); |
| written = LIBC_NAMESPACE::sprintf(buff, "%a", 1.0); |
| ASSERT_STREQ_LEN(written, buff, "0x1p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%A", -1.0); |
| ASSERT_STREQ_LEN(written, buff, "-0X1P+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%a", -0x1.abcdef12345p0); |
| ASSERT_STREQ_LEN(written, buff, "-0x1.abcdef12345p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%A", 0x1.abcdef12345p0); |
| ASSERT_STREQ_LEN(written, buff, "0X1.ABCDEF12345P+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%a", 0.0); |
| ASSERT_STREQ_LEN(written, buff, "0x0p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%a", 1.0e100); |
| ASSERT_STREQ_LEN(written, buff, "0x1.249ad2594c37dp+332"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%a", 0.1); |
| ASSERT_STREQ_LEN(written, buff, "0x1.999999999999ap-4"); |
| |
| // Subnormal Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%a", 0x1.0p-1027); |
| ASSERT_STREQ_LEN(written, buff, "0x0.08p-1022"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%a", 0x1.0p-1025); |
| ASSERT_STREQ_LEN(written, buff, "0x0.2p-1022"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%a", 0x1.0p-1023); |
| ASSERT_STREQ_LEN(written, buff, "0x0.8p-1022"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%a", 0x1.0p-1022); |
| ASSERT_STREQ_LEN(written, buff, "0x1p-1022"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%a", 0x1.0p-1074); |
| ASSERT_STREQ_LEN(written, buff, "0x0.0000000000001p-1022"); |
| |
| // Inf/Nan Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%a", inf); |
| ASSERT_STREQ_LEN(written, buff, "inf"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%A", -inf); |
| ASSERT_STREQ_LEN(written, buff, "-INF"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%a", nan); |
| ASSERT_STREQ_LEN(written, buff, "nan"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%A", -nan); |
| ASSERT_STREQ_LEN(written, buff, "-NAN"); |
| |
| // Length Modifier Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%La", 0.1L); |
| #if defined(LIBC_TYPES_LONG_DOUBLE_IS_X86_FLOAT80) |
| ASSERT_STREQ_LEN(written, buff, "0xc.ccccccccccccccdp-7"); |
| #elif defined(LIBC_TYPES_LONG_DOUBLE_IS_FLOAT64) |
| ASSERT_STREQ_LEN(written, buff, "0x1.999999999999ap-4"); |
| #elif defined(LIBC_TYPES_LONG_DOUBLE_IS_FLOAT128) |
| ASSERT_STREQ_LEN(written, buff, "0x1.999999999999999999999999999ap-4"); |
| #endif |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%La", 1.0e1000L); |
| #if defined(LIBC_TYPES_LONG_DOUBLE_IS_X86_FLOAT80) |
| ASSERT_STREQ_LEN(written, buff, "0xf.38db1f9dd3dac05p+3318"); |
| #elif defined(LIBC_TYPES_LONG_DOUBLE_IS_FLOAT64) |
| ASSERT_STREQ_LEN(written, buff, "inf"); |
| #elif defined(LIBC_TYPES_LONG_DOUBLE_IS_FLOAT128) |
| ASSERT_STREQ_LEN(written, buff, "0x1.e71b63f3ba7b580af1a52d2a7379p+3321"); |
| #endif |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%La", 1.0e-1000L); |
| #if defined(LIBC_TYPES_LONG_DOUBLE_IS_X86_FLOAT80) |
| ASSERT_STREQ_LEN(written, buff, "0x8.68a9188a89e1467p-3325"); |
| #elif defined(LIBC_TYPES_LONG_DOUBLE_IS_FLOAT64) |
| ASSERT_STREQ_LEN(written, buff, "0x0p+0"); |
| #elif defined(LIBC_TYPES_LONG_DOUBLE_IS_FLOAT128) |
| ASSERT_STREQ_LEN(written, buff, "0x1.0d152311513c28ce202627c06ec2p-3322"); |
| #endif |
| |
| // Min Width Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%15a", 1.0); |
| ASSERT_STREQ_LEN(written, buff, " 0x1p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%15a", -1.0); |
| ASSERT_STREQ_LEN(written, buff, " -0x1p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%15a", 1.0e10); |
| ASSERT_STREQ_LEN(written, buff, " 0x1.2a05f2p+33"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%15a", -1.0e10); |
| ASSERT_STREQ_LEN(written, buff, "-0x1.2a05f2p+33"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%10a", 1.0e10); |
| ASSERT_STREQ_LEN(written, buff, "0x1.2a05f2p+33"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%5a", inf); |
| ASSERT_STREQ_LEN(written, buff, " inf"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%5a", -nan); |
| ASSERT_STREQ_LEN(written, buff, " -nan"); |
| |
| // Precision Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", 1.0); |
| ASSERT_STREQ_LEN(written, buff, "0x1.0p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", 0.0); |
| ASSERT_STREQ_LEN(written, buff, "0x0.0p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", 0.1); |
| ASSERT_STREQ_LEN(written, buff, "0x1.ap-4"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", 0x1.0fp0); |
| ASSERT_STREQ_LEN(written, buff, "0x1.1p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", 0x1.07p0); |
| ASSERT_STREQ_LEN(written, buff, "0x1.0p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", 0x1.08p0); |
| ASSERT_STREQ_LEN(written, buff, "0x1.0p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", 0x1.18p0); |
| ASSERT_STREQ_LEN(written, buff, "0x1.2p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", 0x1.ffp0); |
| ASSERT_STREQ_LEN(written, buff, "0x2.0p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.5a", 1.25); |
| ASSERT_STREQ_LEN(written, buff, "0x1.40000p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.0a", 1.25); |
| ASSERT_STREQ_LEN(written, buff, "0x1p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.0a", 1.75); |
| ASSERT_STREQ_LEN(written, buff, "0x2p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", 0x1.0p-1023); |
| ASSERT_STREQ_LEN(written, buff, "0x0.8p-1022"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", 0x1.8p-1023); |
| ASSERT_STREQ_LEN(written, buff, "0x0.cp-1022"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", 0x1.0p-1024); |
| ASSERT_STREQ_LEN(written, buff, "0x0.4p-1022"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.0a", 0x1.0p-1023); |
| ASSERT_STREQ_LEN(written, buff, "0x0p-1022"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.0a", 0x1.8p-1023); |
| ASSERT_STREQ_LEN(written, buff, "0x1p-1022"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.0a", 0x1.0p-1024); |
| ASSERT_STREQ_LEN(written, buff, "0x0p-1022"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2a", 0x1.0p-1027); |
| ASSERT_STREQ_LEN(written, buff, "0x0.08p-1022"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", 0x1.0p-1027); |
| ASSERT_STREQ_LEN(written, buff, "0x0.0p-1022"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.5a", 0.0); |
| ASSERT_STREQ_LEN(written, buff, "0x0.00000p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.5a", 0x1.008p0); |
| ASSERT_STREQ_LEN(written, buff, "0x1.00800p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.5a", 0x1.008p10); |
| ASSERT_STREQ_LEN(written, buff, "0x1.00800p+10"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.5a", nan); |
| ASSERT_STREQ_LEN(written, buff, "nan"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%La", 0.0L); |
| ASSERT_STREQ_LEN(written, buff, "0x0p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1La", 0.1L); |
| #if defined(LIBC_TYPES_LONG_DOUBLE_IS_X86_FLOAT80) |
| ASSERT_STREQ_LEN(written, buff, "0xc.dp-7"); |
| #elif defined(LIBC_TYPES_LONG_DOUBLE_IS_FLOAT64) |
| ASSERT_STREQ_LEN(written, buff, "0x1.ap-4"); |
| #elif defined(LIBC_TYPES_LONG_DOUBLE_IS_FLOAT128) |
| ASSERT_STREQ_LEN(written, buff, "0x1.ap-4"); |
| #endif |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1La", 0xf.fffffffffffffffp16380L); |
| #if defined(LIBC_TYPES_LONG_DOUBLE_IS_X86_FLOAT80) |
| ASSERT_STREQ_LEN(written, buff, "0x1.0p+16384"); |
| #elif defined(LIBC_TYPES_LONG_DOUBLE_IS_FLOAT64) |
| ASSERT_STREQ_LEN(written, buff, "inf"); |
| #elif defined(LIBC_TYPES_LONG_DOUBLE_IS_FLOAT128) |
| ASSERT_STREQ_LEN(written, buff, "0x2.0p+16383"); |
| #endif |
| |
| // Rounding Mode Tests. |
| |
| if (ForceRoundingMode r(RoundingMode::Nearest); r.success) { |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", 0x1.08p0); |
| ASSERT_STREQ_LEN(written, buff, "0x1.0p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", 0x1.18p0); |
| ASSERT_STREQ_LEN(written, buff, "0x1.2p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", 0x1.04p0); |
| ASSERT_STREQ_LEN(written, buff, "0x1.0p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", 0x1.14p0); |
| ASSERT_STREQ_LEN(written, buff, "0x1.1p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", -0x1.08p0); |
| ASSERT_STREQ_LEN(written, buff, "-0x1.0p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", -0x1.18p0); |
| ASSERT_STREQ_LEN(written, buff, "-0x1.2p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", -0x1.04p0); |
| ASSERT_STREQ_LEN(written, buff, "-0x1.0p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", -0x1.14p0); |
| ASSERT_STREQ_LEN(written, buff, "-0x1.1p+0"); |
| } |
| |
| if (ForceRoundingMode r(RoundingMode::Upward); r.success) { |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", 0x1.08p0); |
| ASSERT_STREQ_LEN(written, buff, "0x1.1p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", 0x1.18p0); |
| ASSERT_STREQ_LEN(written, buff, "0x1.2p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", 0x1.04p0); |
| ASSERT_STREQ_LEN(written, buff, "0x1.1p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", 0x1.14p0); |
| ASSERT_STREQ_LEN(written, buff, "0x1.2p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", -0x1.08p0); |
| ASSERT_STREQ_LEN(written, buff, "-0x1.0p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", -0x1.18p0); |
| ASSERT_STREQ_LEN(written, buff, "-0x1.1p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", -0x1.04p0); |
| ASSERT_STREQ_LEN(written, buff, "-0x1.0p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", -0x1.14p0); |
| ASSERT_STREQ_LEN(written, buff, "-0x1.1p+0"); |
| } |
| |
| if (ForceRoundingMode r(RoundingMode::Downward); r.success) { |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", 0x1.08p0); |
| ASSERT_STREQ_LEN(written, buff, "0x1.0p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", 0x1.18p0); |
| ASSERT_STREQ_LEN(written, buff, "0x1.1p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", 0x1.04p0); |
| ASSERT_STREQ_LEN(written, buff, "0x1.0p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", 0x1.14p0); |
| ASSERT_STREQ_LEN(written, buff, "0x1.1p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", -0x1.08p0); |
| ASSERT_STREQ_LEN(written, buff, "-0x1.1p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", -0x1.18p0); |
| ASSERT_STREQ_LEN(written, buff, "-0x1.2p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", -0x1.04p0); |
| ASSERT_STREQ_LEN(written, buff, "-0x1.1p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", -0x1.14p0); |
| ASSERT_STREQ_LEN(written, buff, "-0x1.2p+0"); |
| } |
| |
| if (ForceRoundingMode r(RoundingMode::TowardZero); r.success) { |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", 0x1.08p0); |
| ASSERT_STREQ_LEN(written, buff, "0x1.0p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", 0x1.18p0); |
| ASSERT_STREQ_LEN(written, buff, "0x1.1p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", 0x1.04p0); |
| ASSERT_STREQ_LEN(written, buff, "0x1.0p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", 0x1.14p0); |
| ASSERT_STREQ_LEN(written, buff, "0x1.1p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", -0x1.08p0); |
| ASSERT_STREQ_LEN(written, buff, "-0x1.0p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", -0x1.18p0); |
| ASSERT_STREQ_LEN(written, buff, "-0x1.1p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", -0x1.04p0); |
| ASSERT_STREQ_LEN(written, buff, "-0x1.0p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1a", -0x1.14p0); |
| ASSERT_STREQ_LEN(written, buff, "-0x1.1p+0"); |
| } |
| |
| // Flag Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%+a", nan); |
| ASSERT_STREQ_LEN(written, buff, "+nan"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "% A", inf); |
| ASSERT_STREQ_LEN(written, buff, " INF"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-5a", inf); |
| ASSERT_STREQ_LEN(written, buff, "inf "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%+-5A", nan); |
| ASSERT_STREQ_LEN(written, buff, "+NAN "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%+a", 1.0); |
| ASSERT_STREQ_LEN(written, buff, "+0x1p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "% a", 0.0); |
| ASSERT_STREQ_LEN(written, buff, " 0x0p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-10a", 1.5); |
| ASSERT_STREQ_LEN(written, buff, "0x1.8p+0 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%#a", 1.0); |
| ASSERT_STREQ_LEN(written, buff, "0x1.p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%#.0a", 1.5); |
| ASSERT_STREQ_LEN(written, buff, "0x2.p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%010a", 1.5); |
| ASSERT_STREQ_LEN(written, buff, "0x001.8p+0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%+- #0a", 0.0); |
| ASSERT_STREQ_LEN(written, buff, "+0x0.p+0"); |
| |
| // Combined Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%12.3a %-12.3A", 0.1, 256.0); |
| ASSERT_STREQ_LEN(written, buff, " 0x1.99ap-4 0X1.000P+8 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%+-#12.3a % 012.3a", 0.1256, 1256.0); |
| ASSERT_STREQ_LEN(written, buff, "+0x1.014p-3 0x1.3a0p+10"); |
| |
| // These tests check that the padding is properly calculated based on the |
| // min_width field. Specifically, they check that the extra zeroes added by |
| // the high precision are accounted for correctly. |
| written = LIBC_NAMESPACE::sprintf(buff, "%50.50a", 0x1.0p0); |
| ASSERT_STREQ_LEN(written, buff, |
| "0x1.00000000000000000000000000000000000000000000000000p+0"); |
| |
| // The difference with this test is that the formatted number is exactly 57 |
| // characters, so padding to 58 adds a space. |
| written = LIBC_NAMESPACE::sprintf(buff, "%58.50a", 0x1.0p0); |
| ASSERT_STREQ_LEN( |
| written, buff, |
| " 0x1.00000000000000000000000000000000000000000000000000p+0"); |
| } |
| |
| TEST_F(LlvmLibcSPrintfTest, FloatDecimalConv) { |
| ForceRoundingMode r(RoundingMode::Nearest); |
| double inf = LIBC_NAMESPACE::fputil::FPBits<double>::inf().get_val(); |
| double nan = LIBC_NAMESPACE::fputil::FPBits<double>::quiet_nan().get_val(); |
| long double ld_inf = |
| LIBC_NAMESPACE::fputil::FPBits<long double>::inf().get_val(); |
| long double ld_nan = |
| LIBC_NAMESPACE::fputil::FPBits<long double>::quiet_nan().get_val(); |
| |
| char big_buff[10000]; // Used for long doubles and other extremely wide |
| // numbers. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%f", 1.0); |
| ASSERT_STREQ_LEN(written, buff, "1.000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%F", -1.0); |
| ASSERT_STREQ_LEN(written, buff, "-1.000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%f", -1.234567); |
| ASSERT_STREQ_LEN(written, buff, "-1.234567"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%f", 0.0); |
| ASSERT_STREQ_LEN(written, buff, "0.000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%f", 1.5); |
| ASSERT_STREQ_LEN(written, buff, "1.500000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%f", 1e300); |
| ASSERT_STREQ_LEN( |
| written, buff, |
| "100000000000000005250476025520442024870446858110815915491585411551180245" |
| "798890819578637137508044786404370444383288387817694252323536043057564479" |
| "218478670698284838720092657580373783023379478809005936895323497079994508" |
| "111903896764088007465274278014249457925878882005684283811566947219638686" |
| "5459400540160.000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%f", 0.1); |
| ASSERT_STREQ_LEN(written, buff, "0.100000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%f", 1234567890123456789.0); |
| ASSERT_STREQ_LEN(written, buff, "1234567890123456768.000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%f", 9999999999999.99); |
| ASSERT_STREQ_LEN(written, buff, "9999999999999.990234"); |
| |
| // Simple Subnormal Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%f", 0x1.0p-1027); |
| ASSERT_STREQ_LEN(written, buff, "0.000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%f", 0x1.0p-1074); |
| ASSERT_STREQ_LEN(written, buff, "0.000000"); |
| |
| // Inf/Nan Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%f", inf); |
| ASSERT_STREQ_LEN(written, buff, "inf"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%F", -inf); |
| ASSERT_STREQ_LEN(written, buff, "-INF"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%f", nan); |
| ASSERT_STREQ_LEN(written, buff, "nan"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%F", -nan); |
| ASSERT_STREQ_LEN(written, buff, "-NAN"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%Lf", ld_inf); |
| ASSERT_STREQ_LEN(written, buff, "inf"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%LF", -ld_inf); |
| ASSERT_STREQ_LEN(written, buff, "-INF"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%Lf", ld_nan); |
| ASSERT_STREQ_LEN(written, buff, "nan"); |
| |
| // Some float128 systems (specifically the ones used for aarch64 buildbots) |
| // don't respect signs for long double NaNs. |
| #if defined(LIBC_TYPES_LONG_DOUBLE_IS_X86_FLOAT80) || \ |
| defined(LIBC_TYPES_LONG_DOUBLE_IS_FLOAT64) |
| written = LIBC_NAMESPACE::sprintf(buff, "%LF", -ld_nan); |
| ASSERT_STREQ_LEN(written, buff, "-NAN"); |
| #endif |
| |
| // Min Width Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%15f", 1.0); |
| ASSERT_STREQ_LEN(written, buff, " 1.000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%15f", -1.0); |
| ASSERT_STREQ_LEN(written, buff, " -1.000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%15f", 1.0e5); |
| ASSERT_STREQ_LEN(written, buff, " 100000.000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%15f", -1.0e5); |
| ASSERT_STREQ_LEN(written, buff, " -100000.000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%10f", 1.0e5); |
| ASSERT_STREQ_LEN(written, buff, "100000.000000"); |
| |
| // Precision Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 1.0); |
| ASSERT_STREQ_LEN(written, buff, "1.0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 0.0); |
| ASSERT_STREQ_LEN(written, buff, "0.0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.0f", 0.0); |
| ASSERT_STREQ_LEN(written, buff, "0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 0.1); |
| ASSERT_STREQ_LEN(written, buff, "0.1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 1.09); |
| ASSERT_STREQ_LEN(written, buff, "1.1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 1.04); |
| ASSERT_STREQ_LEN(written, buff, "1.0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 1.19); |
| ASSERT_STREQ_LEN(written, buff, "1.2"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 1.99); |
| ASSERT_STREQ_LEN(written, buff, "2.0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 9.99); |
| ASSERT_STREQ_LEN(written, buff, "10.0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2f", 9999999999999.99); |
| ASSERT_STREQ_LEN(written, buff, "9999999999999.99"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 9999999999999.99); |
| ASSERT_STREQ_LEN(written, buff, "10000000000000.0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.5f", 1.25); |
| ASSERT_STREQ_LEN(written, buff, "1.25000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.0f", 1.25); |
| ASSERT_STREQ_LEN(written, buff, "1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.0f", 1.75); |
| ASSERT_STREQ_LEN(written, buff, "2"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.20f", 1.234e-10); |
| ASSERT_STREQ_LEN(written, buff, "0.00000000012340000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2f", -9.99); |
| ASSERT_STREQ_LEN(written, buff, "-9.99"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", -9.99); |
| ASSERT_STREQ_LEN(written, buff, "-10.0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.5f", 0.0); |
| ASSERT_STREQ_LEN(written, buff, "0.00000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.5f", 1.008); |
| ASSERT_STREQ_LEN(written, buff, "1.00800"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.5f", 1.008e3); |
| ASSERT_STREQ_LEN(written, buff, "1008.00000"); |
| |
| // Found with the help of Fred Tydeman's tbin2dec test. |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 0x1.1000000000006p+3); |
| ASSERT_STREQ_LEN(written, buff, "8.5"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.0f", 0x1.1000000000006p+3); |
| ASSERT_STREQ_LEN(written, buff, "9"); |
| |
| // Most of these tests are checking rounding behavior when the precision is |
| // set. As an example, %.9f has a precision of 9, meaning it should be rounded |
| // to 9 digits after the decimal point. In this case, that means that it |
| // should be rounded up. Many of these tests have precisions divisible by 9 |
| // since when printing the floating point numbers are broken up into "blocks" |
| // of 9 digits. They often also have a 5 after the end of what's printed, |
| // since in round to nearest mode, that requires checking additional digits. |
| written = LIBC_NAMESPACE::sprintf(buff, "%.9f", 1.9999999999999514); |
| ASSERT_STREQ_LEN(written, buff, "2.000000000"); |
| |
| // The number continues after the literal because floating point numbers can't |
| // represent every value. The printed value is the closest value a double can |
| // represent, rounded to the requested precision. |
| written = LIBC_NAMESPACE::sprintf(buff, "%.238f", 1.131959884853339E-72); |
| ASSERT_STREQ_LEN( |
| written, buff, |
| "0." |
| "000000000000000000000000000000000000000000000000000000000000000000000001" |
| "131959884853339045938639911360973972585316399767392273697826861241937664" |
| "824105639342441431495119762431744054912109728706985341609159156917030486" |
| "5110665559768676757812"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.36f", 9.9e-77); |
| ASSERT_STREQ_LEN(written, buff, "0.000000000000000000000000000000000000"); |
| |
| written = |
| LIBC_NAMESPACE::sprintf(big_buff, "%.1071f", 2.0226568751604562E-314); |
| ASSERT_STREQ_LEN( |
| written, big_buff, |
| "0." |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000020226568751604561683387695750739190248658016786" |
| "876938365740768295004457513021760887468117675879956193821375945376632621" |
| "367998639317487303530427946024002091961988296562516210434394107910027236" |
| "308233439098296717697919471698168200340836487924061502604112643734560622" |
| "258525943451473162532620033398739382796482175564084902819878893430369431" |
| "907237673154867595954110791891883281880339550955455702452422857027182100" |
| "606009588295886640782228837851739241290179512817803196347460636150182981" |
| "085084829941917048152725177119574542042352896161225179181967347829576272" |
| "242480201291872969114441104973910102402751449901108484914924879541248714" |
| "939096548775588293353689592872854495101242645279589976452453829724479805" |
| "750016448075109469332839157162950982637994457036256790161132812"); |
| |
| // If no precision is specified it defaults to 6 for %f. |
| written = LIBC_NAMESPACE::sprintf(buff, "%f", 2325885.4901960781); |
| ASSERT_STREQ_LEN(written, buff, "2325885.490196"); |
| |
| // Subnormal Precision Tests |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.310f", 0x1.0p-1022); |
| ASSERT_STREQ_LEN( |
| written, buff, |
| "0." |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "0000000000000000000223"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.310f", 0x1.0p-1023); |
| ASSERT_STREQ_LEN( |
| written, buff, |
| "0." |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "0000000000000000000111"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.315f", 9.99999e-310); |
| ASSERT_STREQ_LEN( |
| written, buff, |
| "0." |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000999999"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.314f", 9.99999e-310); |
| ASSERT_STREQ_LEN( |
| written, buff, |
| "0." |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "00000000000000000000100000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.330f", 0x1.0p-1074); |
| ASSERT_STREQ_LEN( |
| written, buff, |
| "0." |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000004940656"); |
| |
| /* |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1La", 0.1L); |
| #if defined(LIBC_TYPES_LONG_DOUBLE_IS_X86_FLOAT80) |
| ASSERT_STREQ_LEN(written, buff, "0xc.dp-7"); |
| #elif defined(LIBC_TYPES_LONG_DOUBLE_IS_FLOAT64) |
| ASSERT_STREQ_LEN(written, buff, "0x1.ap-4"); |
| #elif defined(LIBC_TYPES_LONG_DOUBLE_IS_FLOAT128) |
| ASSERT_STREQ_LEN(written, buff, "0x1.ap-4"); |
| #endif |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1La", |
| 0xf.fffffffffffffffp16380L); #if |
| defined(LIBC_TYPES_LONG_DOUBLE_IS_X86_FLOAT80) ASSERT_STREQ_LEN(written, buff, |
| "0x1.0p+16384"); #elif defined(LIBC_TYPES_LONG_DOUBLE_IS_FLOAT64) |
| ASSERT_STREQ_LEN(written, buff, "inf"); |
| #elif defined(LIBC_TYPES_LONG_DOUBLE_IS_FLOAT128) |
| ASSERT_STREQ_LEN(written, buff, "0x2.0p+16383"); |
| #endif |
| */ |
| |
| // Rounding Mode Tests. |
| |
| if (ForceRoundingMode r(RoundingMode::Nearest); r.success) { |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 1.75); |
| ASSERT_STREQ_LEN(written, buff, "1.8"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 1.25); |
| ASSERT_STREQ_LEN(written, buff, "1.2"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 1.125); |
| ASSERT_STREQ_LEN(written, buff, "1.1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 1.625); |
| ASSERT_STREQ_LEN(written, buff, "1.6"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 1.375); |
| ASSERT_STREQ_LEN(written, buff, "1.4"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 1.875); |
| ASSERT_STREQ_LEN(written, buff, "1.9"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", -1.75); |
| ASSERT_STREQ_LEN(written, buff, "-1.8"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", -1.25); |
| ASSERT_STREQ_LEN(written, buff, "-1.2"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", -1.125); |
| ASSERT_STREQ_LEN(written, buff, "-1.1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", -1.625); |
| ASSERT_STREQ_LEN(written, buff, "-1.6"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", -1.375); |
| ASSERT_STREQ_LEN(written, buff, "-1.4"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", -1.875); |
| ASSERT_STREQ_LEN(written, buff, "-1.9"); |
| } |
| |
| if (ForceRoundingMode r(RoundingMode::Upward); r.success) { |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 1.75); |
| ASSERT_STREQ_LEN(written, buff, "1.8"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 1.25); |
| ASSERT_STREQ_LEN(written, buff, "1.3"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 1.125); |
| ASSERT_STREQ_LEN(written, buff, "1.2"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 1.625); |
| ASSERT_STREQ_LEN(written, buff, "1.7"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 1.375); |
| ASSERT_STREQ_LEN(written, buff, "1.4"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 1.875); |
| ASSERT_STREQ_LEN(written, buff, "1.9"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", -1.75); |
| ASSERT_STREQ_LEN(written, buff, "-1.7"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", -1.25); |
| ASSERT_STREQ_LEN(written, buff, "-1.2"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", -1.125); |
| ASSERT_STREQ_LEN(written, buff, "-1.1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", -1.625); |
| ASSERT_STREQ_LEN(written, buff, "-1.6"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", -1.375); |
| ASSERT_STREQ_LEN(written, buff, "-1.3"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", -1.875); |
| ASSERT_STREQ_LEN(written, buff, "-1.8"); |
| } |
| |
| if (ForceRoundingMode r(RoundingMode::Downward); r.success) { |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 1.75); |
| ASSERT_STREQ_LEN(written, buff, "1.7"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 1.25); |
| ASSERT_STREQ_LEN(written, buff, "1.2"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 1.125); |
| ASSERT_STREQ_LEN(written, buff, "1.1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 1.625); |
| ASSERT_STREQ_LEN(written, buff, "1.6"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 1.375); |
| ASSERT_STREQ_LEN(written, buff, "1.3"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 1.875); |
| ASSERT_STREQ_LEN(written, buff, "1.8"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", -1.75); |
| ASSERT_STREQ_LEN(written, buff, "-1.8"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", -1.25); |
| ASSERT_STREQ_LEN(written, buff, "-1.3"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", -1.125); |
| ASSERT_STREQ_LEN(written, buff, "-1.2"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", -1.625); |
| ASSERT_STREQ_LEN(written, buff, "-1.7"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", -1.375); |
| ASSERT_STREQ_LEN(written, buff, "-1.4"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", -1.875); |
| ASSERT_STREQ_LEN(written, buff, "-1.9"); |
| } |
| |
| if (ForceRoundingMode r(RoundingMode::TowardZero); r.success) { |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 1.75); |
| ASSERT_STREQ_LEN(written, buff, "1.7"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 1.25); |
| ASSERT_STREQ_LEN(written, buff, "1.2"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 1.125); |
| ASSERT_STREQ_LEN(written, buff, "1.1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 1.625); |
| ASSERT_STREQ_LEN(written, buff, "1.6"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 1.375); |
| ASSERT_STREQ_LEN(written, buff, "1.3"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", 1.875); |
| ASSERT_STREQ_LEN(written, buff, "1.8"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", -1.75); |
| ASSERT_STREQ_LEN(written, buff, "-1.7"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", -1.25); |
| ASSERT_STREQ_LEN(written, buff, "-1.2"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", -1.125); |
| ASSERT_STREQ_LEN(written, buff, "-1.1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", -1.625); |
| ASSERT_STREQ_LEN(written, buff, "-1.6"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", -1.375); |
| ASSERT_STREQ_LEN(written, buff, "-1.3"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1f", -1.875); |
| ASSERT_STREQ_LEN(written, buff, "-1.8"); |
| } |
| |
| // Flag Tests. |
| written = LIBC_NAMESPACE::sprintf(buff, "%+f", 1.0); |
| ASSERT_STREQ_LEN(written, buff, "+1.000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%+f", -1.0); |
| ASSERT_STREQ_LEN(written, buff, "-1.000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "% f", 1.0); |
| ASSERT_STREQ_LEN(written, buff, " 1.000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "% f", -1.0); |
| ASSERT_STREQ_LEN(written, buff, "-1.000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-10f", 1.5); |
| ASSERT_STREQ_LEN(written, buff, "1.500000 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%#.f", 1.0); |
| ASSERT_STREQ_LEN(written, buff, "1."); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%#.0f", 1.5); |
| ASSERT_STREQ_LEN(written, buff, "2."); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%010f", 1.5); |
| ASSERT_STREQ_LEN(written, buff, "001.500000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%010f", -1.5); |
| ASSERT_STREQ_LEN(written, buff, "-01.500000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%+- #0f", 0.0); |
| ASSERT_STREQ_LEN(written, buff, "+0.000000"); |
| |
| // Combined Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%10.2f", 9.99); |
| ASSERT_STREQ_LEN(written, buff, " 9.99"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%5.1f", 9.99); |
| ASSERT_STREQ_LEN(written, buff, " 10.0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-10.2f", 9.99); |
| ASSERT_STREQ_LEN(written, buff, "9.99 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-5.1f", 9.99); |
| ASSERT_STREQ_LEN(written, buff, "10.0 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-5.1f", 1.0e-50); |
| ASSERT_STREQ_LEN(written, buff, "0.0 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%30f", 1234567890123456789.0); |
| ASSERT_STREQ_LEN(written, buff, " 1234567890123456768.000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-30f", 1234567890123456789.0); |
| ASSERT_STREQ_LEN(written, buff, "1234567890123456768.000000 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%20.2f", 9999999999999.99); |
| ASSERT_STREQ_LEN(written, buff, " 9999999999999.99"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%20.1f", 9999999999999.99); |
| ASSERT_STREQ_LEN(written, buff, " 10000000000000.0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%12.3f %-12.3f", 0.1, 256.0); |
| ASSERT_STREQ_LEN(written, buff, " 0.100 256.000 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%+-#12.3f % 012.3f", 0.1256, 1256.0); |
| ASSERT_STREQ_LEN(written, buff, "+0.126 0001256.000"); |
| } |
| |
| // The long double tests are separated so that their performance can be directly |
| // measured. |
| TEST_F(LlvmLibcSPrintfTest, FloatDecimalLongDoubleConv) { |
| ForceRoundingMode r(RoundingMode::Nearest); |
| |
| char big_buff[10000]; // Used for long doubles and other extremely wide |
| // numbers. |
| |
| // Length Modifier Tests. |
| |
| // TODO(michaelrj): Add tests for LIBC_TYPES_LONG_DOUBLE_IS_FLOAT64 and 128 |
| // bit long double systems. |
| // TODO(michaelrj): Fix the tests to only depend on the digits the long double |
| // is accurate for. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%Lf", 1.0L); |
| ASSERT_STREQ_LEN(written, buff, "1.000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.Lf", -2.5L); |
| ASSERT_STREQ_LEN(written, buff, "-2"); |
| |
| #if defined(LIBC_TYPES_LONG_DOUBLE_IS_X86_FLOAT80) |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%Lf", 1e100L); |
| ASSERT_STREQ_LEN(written, buff, |
| "99999999999999999996693535322073426194986990198284960792713" |
| "91541752018669482644324418977840117055488.000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%Lf", 0xd.96ed1192687859ap-24L); |
| ASSERT_STREQ_LEN(written, buff, "0.000001"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%Lf", 10000000000000000.25L); |
| ASSERT_STREQ_LEN(written, buff, "10000000000000000.250000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.510Lf", 0x8p-503L); |
| ASSERT_STREQ_LEN( |
| written, buff, |
| "0." |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000305493636349960468205197939321361769978940274057232666389361390928" |
| "129162652472045770185723510801522825687515269359046715531785342780428396" |
| "973513311420091788963072442053377285222203558881953188370081650866793017" |
| "948791366338993705251636497892270212003524508209121908744820211960149463" |
| "721109340307985507678283651836204093399373959982767701148986816406250000" |
| "000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.500Lf", -4327677766926336.0L); |
| ASSERT_STREQ_LEN( |
| written, buff, |
| "-4327677766926336." |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "00000000000000000000000000000000000000000000000000000000000000000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(big_buff, "%Lf", 1e1000L); |
| ASSERT_STREQ_LEN( |
| written, big_buff, |
| "999999999999999999973107317669562353428234857594552594925899449376328728" |
| "202461036775511405481186963193066642191664822065529414252060696836533522" |
| "387143501724276282079456797058697369889056407118642873669166717313763499" |
| "277025985141177344925615052465165938514140943010597323750202561187880136" |
| "174810574553749194614479541820148407958204853833697063267336294787191005" |
| "628217462261955103745349844675732989944229689277833828743730290177882029" |
| "042613704915899149603539993716885598351951895974316347947147507970269673" |
| "097709017164643598452451201499004104341931127294141495501309305995449742" |
| "273419524803597130450457553871345958049837885085168840317195672271085085" |
| "950520957945970913451088104971436093671776829538796532762184174216651692" |
| "640931965387852083906784898823494867055070322768919156031682291829761007" |
| "101483799978382119231551218582499361996919560548090784230386907125151658" |
| "086767207295524036170321059257942621398084478974000973622199163292708506" |
| "2431457550909271560663602154947063707982236377366647567795879936." |
| "000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(big_buff, "%Lf", 1e4900L); |
| ASSERT_STREQ_LEN( |
| written, big_buff, |
| "100000000000000000002708312230690349833224052504078834346502930111959028" |
| "517260692666637048230414374897655201843766090626319971729765251179632020" |
| "313912652522792711197087872698264530532442630109549129842736280196919130" |
| "242615101228133188193853826983121366159061148351354364472807590931218045" |
| "387490935930967150336231085015126034696883068553581691802388371635128003" |
| "615577299166097675723780877126495909902479233742826339471026068806070433" |
| "075629449530819183550315434973800271862658869400009022028602967197463980" |
| "126881829804282202449930132940824361207087494829502385835258094836304011" |
| "876250359661206802659650567866176246063987902366800491980400341950657151" |
| "370854446585517805253310195469184699955519312761482572080479702840420595" |
| "377369017651259376039167277822106875560385309101650382998482652792335482" |
| "865443482342801545877390859444282105890147577937366066315975231014810320" |
| "888482059656248277607763361589359794524314002443575149260630989130103550" |
| "443177966380769341050735632338583912575890190136462629316287947355057647" |
| "111088565611192544631519843618778618820046304429723908484879583579178075" |
| "456701368334212923379389029311286386996015804122917416008806233549005183" |
| "152461084266176543129004016414959261473645240454289630182591200574019087" |
| "358223489767381636349719510715487188747217311279465814538495924567014916" |
| "238565628036285599497236493491668884212847699052761266207598941300449276" |
| "447201387520841811835583254242213093566548778954711633721122784159793843" |
| "766802019309395771984693609426401362800013936338891483689127845928572536" |
| "790651156184721483511507878883282891696900630100211914227950790472211403" |
| "392549466062537498185758854079775888444518306635752468713312357556380082" |
| "275500658967283696421824354930077523691855699312544373220921962817907078" |
| "445538421941800259027487429330768616490865438859612697367766323925013940" |
| "918384858952407145253573823848733994146335416209309233074165707437420756" |
| "438833918763109580759409985573826485055208965115587885226774453455112406" |
| "581351429640282227888764449360534584421929291565334894907337572527922691" |
| "473242328379737396430908523008687037407295838014450772162091496534584696" |
| "605157436893236842602956298545594095307060870397506421786236892553632163" |
| "491468601982681381011940409602294892199042638682530687578982576819839451" |
| "907594697546439533559153604700750696252355362322662219852740143212566818" |
| "745528402265116534684566273868361460640280523251242059850044328669692159" |
| "629900374576027104298177006629276014371540945261309319363704125592775129" |
| "543526908667388673739382491147471395192495459318806593271282662311169392" |
| "196897003517840025298267505925987901751541005546610016067658227181318892" |
| "914686508281007582655667597441346214499847364272258631922040641860333431" |
| "409838623713258383681350233064164940590695888300919626215847587544298023" |
| "636416943680102708406086295669759876682046839368574433996997648445207805" |
| "615784339667691231286807666753972942872019850432610318031627872612657513" |
| "588188267160616660825719678199868371370527508463011236193719286066916786" |
| "169956541349011494927225747024994619057884118692213564790598702879596058" |
| "672338334720925179141906809470606964896245458600635183723159228561689808" |
| "246141482736625197373238197777325580142168245885279594913851700941789475" |
| "252421784152262567254611571822468808675893407728003047921107885664474662" |
| "930921581384003950729114103689170603748380178682003976896397305836815761" |
| "717676338115866650889936516794601457549097578905329423919798362140648664" |
| "569177147076571576101649257502509463877402424847669830852345415301684820" |
| "395813946416649808062227494112874521812750160935760825922220707178083076" |
| "380203450993589198835885505461509442443773367592842795410339065860781804" |
| "024975272228687688301824830333940416256885455008512598774611538878683158" |
| "183931461086893832255176926531299425504132104728730288984598001187854507" |
| "900417184206801359847651992484444933900133130832052346600926424167009902" |
| "829803553087005800387704758687923428053612864451456596148162238935900033" |
| "917094683141205188616000211702577553792389670853917118547527592495253773" |
| "028135298405566315903922235989614934474805789300370437580494193066066314" |
| "056627605207631392651010580925826419831250810981343093764403877594495896" |
| "516881097415880926429607388979497471571321217205535961262051641426436441" |
| "668989765107456413733909427384182109285933511623871034309722437967253289" |
| "084018145083721513211807496392673952789642893241520398827805325610653506" |
| "029060153153064455898648607959013571280930834475689835845791849456112104" |
| "462337569019001580859906425911782967213265389744605395555069797947978230" |
| "708108432086217134763779632408473684293543722127232658767439906910370146" |
| "716836295909075482355827087389127370874842532825987593970846704144140471" |
| "956027276735614286138656432085771988513977140957180090146798065497158947" |
| "229765733489703157617307078835099906185890777007500964162371428641176460" |
| "739074789794941408428328217107759915202650066155868439585510978709442590" |
| "231934194956788626761834746430104077432547436359522462253411168467463134" |
| "24896.000000"); |
| |
| written = |
| LIBC_NAMESPACE::sprintf(big_buff, "%Lf", 0xf.fffffffffffffffp+16380L); |
| ASSERT_STREQ_LEN( |
| written, big_buff, |
| "118973149535723176502126385303097020516906332229462420044032373389173700" |
| "552297072261641029033652888285354569780749557731442744315367028843419812" |
| "557385374367867359320070697326320191591828296152436552951064679108661431" |
| "179063216977883889613478656060039914875343321145491116008867984515486651" |
| "285234014977303760000912547939396622315138362241783854274391783813871780" |
| "588948754057516822634765923557697480511372564902088485522249479139937758" |
| "502601177354918009979622602685950855888360815984690023564513234659447638" |
| "493985927645628457966177293040780660922910271504608538808795932778162298" |
| "682754783076808004015069494230341172895777710033571401055977524212405734" |
| "700738625166011082837911962300846927720096515350020847447079244384854591" |
| "288672300061908512647211195136146752763351956292759795725027800298079590" |
| "419313960302147099703527646744553092202267965628099149823208332964124103" |
| "850923918473478612192169721054348428704835340811304257300221642134891734" |
| "717423480071488075100206439051723424765600472176809648610799494341570347" |
| "632064355862420744350442438056613601760883747816538902780957697597728686" |
| "007148702828795556714140463261583262360276289631617397848425448686060994" |
| "827086796804807870251185893083854658422304090880599629459458620190376604" |
| "844679092600222541053077590106576067134720012584640695703025713896098375" |
| "799892695455305236856075868317922311363951946885088077187210470520395758" |
| "748001314313144425494391994017575316933939236688185618912993172910425292" |
| "123683515992232205099800167710278403536014082929639811512287776813570604" |
| "578934353545169653956125404884644716978689321167108722908808277835051822" |
| "885764606221873970285165508372099234948333443522898475123275372663606621" |
| "390228126470623407535207172405866507951821730346378263135339370677490195" |
| "019784169044182473806316282858685774143258116536404021840272491339332094" |
| "921949842244273042701987304453662035026238695780468200360144729199712309" |
| "553005720614186697485284685618651483271597448120312194675168637934309618" |
| "961510733006555242148519520176285859509105183947250286387163249416761380" |
| "499631979144187025430270675849519200883791516940158174004671147787720145" |
| "964446117520405945350476472180797576111172084627363927960033967047003761" |
| "337450955318415007379641260504792325166135484129188421134082301547330475" |
| "406707281876350361733290800595189632520707167390454777712968226520622565" |
| "143991937680440029238090311243791261477625596469422198137514696707944687" |
| "035800439250765945161837981185939204954403611491531078225107269148697980" |
| "924094677214272701240437718740921675661363493890045123235166814608932240" |
| "069799317601780533819184998193300841098599393876029260139091141452600372" |
| "028487213241195542428210183120421610446740462163533690058366460659115629" |
| "876474552506814500393294140413149540067760295100596225302282300363147382" |
| "468105964844244132486457313743759509641616804802412935187620466813563687" |
| "753281467553879887177183651289394719533506188500326760735438867336800207" |
| "438784965701457609034985757124304510203873049485425670247933932280911052" |
| "604153852899484920399109194612991249163328991799809438033787952209313146" |
| "694614970593966415237594928589096048991612194498998638483702248667224914" |
| "892467841020618336462741696957630763248023558797524525373703543388296086" |
| "275342774001633343405508353704850737454481975472222897528108302089868263" |
| "302028525992308416805453968791141829762998896457648276528750456285492426" |
| "516521775079951625966922911497778896235667095662713848201819134832168799" |
| "586365263762097828507009933729439678463987902491451422274252700636394232" |
| "799848397673998715441855420156224415492665301451550468548925862027608576" |
| "183712976335876121538256512963353814166394951655600026415918655485005705" |
| "261143195291991880795452239464962763563017858089669222640623538289853586" |
| "759599064700838568712381032959192649484625076899225841930548076362021508" |
| "902214922052806984201835084058693849381549890944546197789302911357651677" |
| "540623227829831403347327660395223160342282471752818181884430488092132193" |
| "355086987339586127607367086665237555567580317149010847732009642431878007" |
| "000879734603290627894355374356444885190719161645514115576193939969076741" |
| "515640282654366402676009508752394550734155613586793306603174472092444651" |
| "353236664764973540085196704077110364053815007348689179836404957060618953" |
| "500508984091382686953509006678332447257871219660441528492484004185093281" |
| "190896363417573989716659600075948780061916409485433875852065711654107226" |
| "099628815012314437794400874930194474433078438899570184271000480830501217" |
| "712356062289507626904285680004771889315808935851559386317665294808903126" |
| "774702966254511086154895839508779675546413794489596052797520987481383976" |
| "257859210575628440175934932416214833956535018919681138909184379573470326" |
| "940634289008780584694035245347939808067427323629788710086717580253156130" |
| "235606487870925986528841635097252953709111431720488774740553905400942537" |
| "542411931794417513706468964386151771884986701034153254238591108962471088" |
| "538580868883777725864856414593426212108664758848926003176234596076950884" |
| "9149662444156604419552086811989770240.000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(big_buff, "%.10Lf", 1e-10L); |
| ASSERT_STREQ_LEN(written, big_buff, "0.0000000001"); |
| |
| written = LIBC_NAMESPACE::sprintf(big_buff, "%.7500Lf", 1e-4900L); |
| ASSERT_STREQ_LEN( |
| written, big_buff, |
| "0." |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000000000000000000000000000000000000000000000000000000000000000000000000" |
| "000099999999999999999996962764452956071352139203248614920751610856665084" |
| "549214352477698417183862158583009348897567779527408501588132175167211539" |
| "462139941448204886585901454195352527238724272760638086779284030512649793" |
| "039219351187928723378036480041948464946018272171365770411701020666925613" |
| "422460317465324758217878522666789603627480490870456508256359180089236338" |
| "765625231186929290294207420828927406735690318849109129700396907705735097" |
| "663944722727287361650042373203763784830198232253311807069225650324196304" |
| "532045014970637489181357566354288111205943347410488298480279857453705249" |
| "232862728556860184412369114663536200895729846877559808001004454634804626" |
| "541455540260282018142615835686583304903486353937549394736905011798466731" |
| "536563240053860118551127061960208467764243724656897127545613968909523389" |
| "577188368809623987105800147797280462974804046545425080530020901531407223" |
| "191237123282274818236437397994019915368657474589800678444589412286037789" |
| "891525464936023205313685584525510094270344601331453730179416773626565262" |
| "480345858564672442896904520146956686863172737711483866766404977719744767" |
| "834324844875237277613991088218774564658513875732403456058414595576806383" |
| "115554713240005982141397577420073082470139244845624915873825746771661332" |
| "098677966580506186966978746832443976821987300902957597498388211921362869" |
| "017846215557612829071692275292036211064515305528052919611691470945774714" |
| "135516559501572279732350629089770249554808690411603894492333360300589658" |
| "470898965370892774715815089075170720164713889237058574941489766701880158" |
| "060081295483989540170337129032188818293132770882381428397119039835946745" |
| "549356649433406617266370644136291924838857814675939156677910783740103207" |
| "523299367093130816446415259371931925208362367989095199399211644084543790" |
| "110432339056231037520216864358899218874658268610955002763260912337688947" |
| "822453100821038299301092582962825965939081817836419126254832772002214908" |
| "085575905761843610944187009818156363893015929300295112598059949496854566" |
| "638748010633726861510500653821408135845840123073754133549077708843800674" |
| "328440913743105608636458354618912183716456158809545183074062249922212944" |
| "249667793845728355381309084891765979111348980470647082269921872595470473" |
| "719354467594516320911964549508538492057120740224559944452120552719041944" |
| "961475548547884309626382512432626380881023756568143060204097921571153170" |
| "723817845809196253498326358439807445210362177680590181657555380795450462" |
| "223805222580359379367452693270553602179122419370586308101820559214330382" |
| "570449525088342437216896462077260223998756027453411520977536701491759878" |
| "422771447006016890777855573925295187921971811871399320142563330377888532" |
| "179817332113"); |
| #endif // LIBC_TYPES_LONG_DOUBLE_IS_X86_FLOAT80 |
| } |
| |
| TEST_F(LlvmLibcSPrintfTest, FloatExponentConv) { |
| ForceRoundingMode r(RoundingMode::Nearest); |
| double inf = LIBC_NAMESPACE::fputil::FPBits<double>::inf().get_val(); |
| double nan = LIBC_NAMESPACE::fputil::FPBits<double>::quiet_nan().get_val(); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%e", 1.0); |
| ASSERT_STREQ_LEN(written, buff, "1.000000e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%E", -1.0); |
| ASSERT_STREQ_LEN(written, buff, "-1.000000E+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%e", -1.234567); |
| ASSERT_STREQ_LEN(written, buff, "-1.234567e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%e", 0.0); |
| ASSERT_STREQ_LEN(written, buff, "0.000000e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%e", 1.5); |
| ASSERT_STREQ_LEN(written, buff, "1.500000e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%e", 1e300); |
| ASSERT_STREQ_LEN(written, buff, "1.000000e+300"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%e", 0.1); |
| ASSERT_STREQ_LEN(written, buff, "1.000000e-01"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%e", 0.001); |
| ASSERT_STREQ_LEN(written, buff, "1.000000e-03"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%e", 0.00001); |
| ASSERT_STREQ_LEN(written, buff, "1.000000e-05"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%e", 0.0000001); |
| ASSERT_STREQ_LEN(written, buff, "1.000000e-07"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%e", 0.000000001); |
| ASSERT_STREQ_LEN(written, buff, "1.000000e-09"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%e", 1.0e-20); |
| ASSERT_STREQ_LEN(written, buff, "1.000000e-20"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%e", 1234567890123456789.0); |
| ASSERT_STREQ_LEN(written, buff, "1.234568e+18"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%e", 9999999000000.00); |
| ASSERT_STREQ_LEN(written, buff, "9.999999e+12"); |
| |
| // Simple Subnormal Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%e", 0x1.0p-1027); |
| ASSERT_STREQ_LEN(written, buff, "6.953356e-310"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%e", 0x1.0p-1074); |
| ASSERT_STREQ_LEN(written, buff, "4.940656e-324"); |
| |
| // Inf/Nan Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%e", inf); |
| ASSERT_STREQ_LEN(written, buff, "inf"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%E", -inf); |
| ASSERT_STREQ_LEN(written, buff, "-INF"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%e", nan); |
| ASSERT_STREQ_LEN(written, buff, "nan"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%E", -nan); |
| ASSERT_STREQ_LEN(written, buff, "-NAN"); |
| |
| // Min Width Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%15e", 1.0); |
| ASSERT_STREQ_LEN(written, buff, " 1.000000e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%15e", -1.0); |
| ASSERT_STREQ_LEN(written, buff, " -1.000000e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%15e", 1.0e5); |
| ASSERT_STREQ_LEN(written, buff, " 1.000000e+05"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%15e", -1.0e5); |
| ASSERT_STREQ_LEN(written, buff, " -1.000000e+05"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%10e", 1.0e-5); |
| ASSERT_STREQ_LEN(written, buff, "1.000000e-05"); |
| |
| // Precision Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 1.0); |
| ASSERT_STREQ_LEN(written, buff, "1.0e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 0.0); |
| ASSERT_STREQ_LEN(written, buff, "0.0e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.0e", 0.0); |
| ASSERT_STREQ_LEN(written, buff, "0e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 0.1); |
| ASSERT_STREQ_LEN(written, buff, "1.0e-01"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 1.09); |
| ASSERT_STREQ_LEN(written, buff, "1.1e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 1.04); |
| ASSERT_STREQ_LEN(written, buff, "1.0e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 1.19); |
| ASSERT_STREQ_LEN(written, buff, "1.2e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 1.99); |
| ASSERT_STREQ_LEN(written, buff, "2.0e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 9.99); |
| ASSERT_STREQ_LEN(written, buff, "1.0e+01"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2e", 99.9); |
| ASSERT_STREQ_LEN(written, buff, "9.99e+01"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 99.9); |
| ASSERT_STREQ_LEN(written, buff, "1.0e+02"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.5e", 1.25); |
| ASSERT_STREQ_LEN(written, buff, "1.25000e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.0e", 1.25); |
| ASSERT_STREQ_LEN(written, buff, "1e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.0e", 1.75); |
| ASSERT_STREQ_LEN(written, buff, "2e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.20e", 1.234e-10); |
| ASSERT_STREQ_LEN(written, buff, "1.23400000000000008140e-10"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2e", -9.99); |
| ASSERT_STREQ_LEN(written, buff, "-9.99e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", -9.99); |
| ASSERT_STREQ_LEN(written, buff, "-1.0e+01"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.5e", 0.0); |
| ASSERT_STREQ_LEN(written, buff, "0.00000e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.5e", 1.008); |
| ASSERT_STREQ_LEN(written, buff, "1.00800e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.5e", 1.008e3); |
| ASSERT_STREQ_LEN(written, buff, "1.00800e+03"); |
| |
| // These tests also focus on rounding. Almost all of them have a 5 right after |
| // the printed string (e.g. 9.5 with precision 0 prints 0 digits after the |
| // decimal point). This is again because rounding a number with a 5 after the |
| // printed section means that more digits have to be checked to determine if |
| // this should be rounded up (if there are non-zero digits after the 5) or to |
| // even (if the 5 is the last non-zero digit). Additionally, the algorithm for |
| // checking if a number is all 0s after the decimal point may not work since |
| // the decimal point moves in this representation. |
| written = LIBC_NAMESPACE::sprintf(buff, "%.0e", 2.5812229360061737E+200); |
| ASSERT_STREQ_LEN(written, buff, "3e+200"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 9.059E+200); |
| ASSERT_STREQ_LEN(written, buff, "9.1e+200"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.0e", 9.059E+200); |
| ASSERT_STREQ_LEN(written, buff, "9e+200"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.166e", 1.131959884853339E-72); |
| ASSERT_STREQ_LEN(written, buff, |
| "1." |
| "13195988485333904593863991136097397258531639976739227369782" |
| "68612419376648241056393424414314951197624317440549121097287" |
| "069853416091591569170304865110665559768676757812e-72"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.0e", 9.5); |
| ASSERT_STREQ_LEN(written, buff, "1e+01"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.10e", 1.9999999999890936); |
| ASSERT_STREQ_LEN(written, buff, "2.0000000000e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 745362143563.03894); |
| ASSERT_STREQ_LEN(written, buff, "7.5e+11"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.0e", 45181042688.0); |
| ASSERT_STREQ_LEN(written, buff, "5e+10"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.35e", 1.3752441369139243); |
| ASSERT_STREQ_LEN(written, buff, "1.37524413691392433101157166674965993e+00"); |
| |
| // Subnormal Precision Tests |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.310e", 0x1.0p-1022); |
| ASSERT_STREQ_LEN( |
| written, buff, |
| "2." |
| "225073858507201383090232717332404064219215980462331830553327416887204434" |
| "813918195854283159012511020564067339731035811005152434161553460108856012" |
| "385377718821130777993532002330479610147442583636071921565046942503734208" |
| "375250806650616658158948720491179968591639648500635908770118304874799780" |
| "8877537499494515804516e-308"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.30e", 0x1.0p-1022); |
| ASSERT_STREQ_LEN(written, buff, "2.225073858507201383090232717332e-308"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.310e", 0x1.0p-1023); |
| ASSERT_STREQ_LEN( |
| written, buff, |
| "1." |
| "112536929253600691545116358666202032109607990231165915276663708443602217" |
| "406959097927141579506255510282033669865517905502576217080776730054428006" |
| "192688859410565388996766001165239805073721291818035960782523471251867104" |
| "187625403325308329079474360245589984295819824250317954385059152437399890" |
| "4438768749747257902258e-308"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.6e", 9.99999e-310); |
| ASSERT_STREQ_LEN(written, buff, "9.999990e-310"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.5e", 9.99999e-310); |
| ASSERT_STREQ_LEN(written, buff, "9.99999e-310"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.4e", 9.99999e-310); |
| ASSERT_STREQ_LEN(written, buff, "1.0000e-309"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.3e", 9.99999e-310); |
| ASSERT_STREQ_LEN(written, buff, "1.000e-309"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2e", 9.99999e-310); |
| ASSERT_STREQ_LEN(written, buff, "1.00e-309"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 9.99999e-310); |
| ASSERT_STREQ_LEN(written, buff, "1.0e-309"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.0e", 9.99999e-310); |
| ASSERT_STREQ_LEN(written, buff, "1e-309"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.10e", 0x1.0p-1074); |
| ASSERT_STREQ_LEN(written, buff, "4.9406564584e-324"); |
| |
| /* |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1La", 0.1L); |
| #if defined(LIBC_TYPES_LONG_DOUBLE_IS_X86_FLOAT80) |
| ASSERT_STREQ_LEN(written, buff, "0xc.dp-7"); |
| #elif defined(LIBC_TYPES_LONG_DOUBLE_IS_FLOAT64) |
| ASSERT_STREQ_LEN(written, buff, "0x1.ap-4"); |
| #elif defined(LIBC_TYPES_LONG_DOUBLE_IS_FLOAT128) |
| ASSERT_STREQ_LEN(written, buff, "0x1.ap-4"); |
| #endif |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1La", |
| 0xf.fffffffffffffffp16380L); #if |
| defined(LIBC_TYPES_LONG_DOUBLE_IS_X86_FLOAT80) ASSERT_STREQ_LEN(written, buff, |
| "0x1.0p+16384"); #elif defined(LIBC_TYPES_LONG_DOUBLE_IS_FLOAT64) |
| ASSERT_STREQ_LEN(written, buff, "inf"); |
| #elif defined(LIBC_TYPES_LONG_DOUBLE_IS_FLOAT128) |
| ASSERT_STREQ_LEN(written, buff, "0x2.0p+16383"); |
| #endif |
| */ |
| |
| // Rounding Mode Tests. |
| |
| if (ForceRoundingMode r(RoundingMode::Nearest); r.success) { |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 1.75); |
| ASSERT_STREQ_LEN(written, buff, "1.8e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 1.25); |
| ASSERT_STREQ_LEN(written, buff, "1.2e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 1.125); |
| ASSERT_STREQ_LEN(written, buff, "1.1e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 1.625); |
| ASSERT_STREQ_LEN(written, buff, "1.6e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 1.375); |
| ASSERT_STREQ_LEN(written, buff, "1.4e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 1.875); |
| ASSERT_STREQ_LEN(written, buff, "1.9e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", -1.75); |
| ASSERT_STREQ_LEN(written, buff, "-1.8e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", -1.25); |
| ASSERT_STREQ_LEN(written, buff, "-1.2e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", -1.125); |
| ASSERT_STREQ_LEN(written, buff, "-1.1e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", -1.625); |
| ASSERT_STREQ_LEN(written, buff, "-1.6e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", -1.375); |
| ASSERT_STREQ_LEN(written, buff, "-1.4e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", -1.875); |
| ASSERT_STREQ_LEN(written, buff, "-1.9e+00"); |
| } |
| |
| if (ForceRoundingMode r(RoundingMode::Upward); r.success) { |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 1.75); |
| ASSERT_STREQ_LEN(written, buff, "1.8e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 1.25); |
| ASSERT_STREQ_LEN(written, buff, "1.3e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 1.125); |
| ASSERT_STREQ_LEN(written, buff, "1.2e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 1.625); |
| ASSERT_STREQ_LEN(written, buff, "1.7e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 1.375); |
| ASSERT_STREQ_LEN(written, buff, "1.4e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 1.875); |
| ASSERT_STREQ_LEN(written, buff, "1.9e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", -1.75); |
| ASSERT_STREQ_LEN(written, buff, "-1.7e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", -1.25); |
| ASSERT_STREQ_LEN(written, buff, "-1.2e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", -1.125); |
| ASSERT_STREQ_LEN(written, buff, "-1.1e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", -1.625); |
| ASSERT_STREQ_LEN(written, buff, "-1.6e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", -1.375); |
| ASSERT_STREQ_LEN(written, buff, "-1.3e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", -1.875); |
| ASSERT_STREQ_LEN(written, buff, "-1.8e+00"); |
| } |
| |
| if (ForceRoundingMode r(RoundingMode::Downward); r.success) { |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 1.75); |
| ASSERT_STREQ_LEN(written, buff, "1.7e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 1.25); |
| ASSERT_STREQ_LEN(written, buff, "1.2e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 1.125); |
| ASSERT_STREQ_LEN(written, buff, "1.1e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 1.625); |
| ASSERT_STREQ_LEN(written, buff, "1.6e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 1.375); |
| ASSERT_STREQ_LEN(written, buff, "1.3e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 1.875); |
| ASSERT_STREQ_LEN(written, buff, "1.8e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", -1.75); |
| ASSERT_STREQ_LEN(written, buff, "-1.8e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", -1.25); |
| ASSERT_STREQ_LEN(written, buff, "-1.3e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", -1.125); |
| ASSERT_STREQ_LEN(written, buff, "-1.2e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", -1.625); |
| ASSERT_STREQ_LEN(written, buff, "-1.7e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", -1.375); |
| ASSERT_STREQ_LEN(written, buff, "-1.4e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", -1.875); |
| ASSERT_STREQ_LEN(written, buff, "-1.9e+00"); |
| } |
| |
| if (ForceRoundingMode r(RoundingMode::TowardZero); r.success) { |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 1.75); |
| ASSERT_STREQ_LEN(written, buff, "1.7e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 1.25); |
| ASSERT_STREQ_LEN(written, buff, "1.2e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 1.125); |
| ASSERT_STREQ_LEN(written, buff, "1.1e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 1.625); |
| ASSERT_STREQ_LEN(written, buff, "1.6e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 1.375); |
| ASSERT_STREQ_LEN(written, buff, "1.3e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", 1.875); |
| ASSERT_STREQ_LEN(written, buff, "1.8e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", -1.75); |
| ASSERT_STREQ_LEN(written, buff, "-1.7e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", -1.25); |
| ASSERT_STREQ_LEN(written, buff, "-1.2e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", -1.125); |
| ASSERT_STREQ_LEN(written, buff, "-1.1e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", -1.625); |
| ASSERT_STREQ_LEN(written, buff, "-1.6e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", -1.375); |
| ASSERT_STREQ_LEN(written, buff, "-1.3e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1e", -1.875); |
| ASSERT_STREQ_LEN(written, buff, "-1.8e+00"); |
| } |
| |
| // Flag Tests. |
| written = LIBC_NAMESPACE::sprintf(buff, "%+e", 1.0); |
| ASSERT_STREQ_LEN(written, buff, "+1.000000e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%+e", -1.0); |
| ASSERT_STREQ_LEN(written, buff, "-1.000000e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "% e", 1.0); |
| ASSERT_STREQ_LEN(written, buff, " 1.000000e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "% e", -1.0); |
| ASSERT_STREQ_LEN(written, buff, "-1.000000e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-15e", 1.5); |
| ASSERT_STREQ_LEN(written, buff, "1.500000e+00 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%#.e", 1.0); |
| ASSERT_STREQ_LEN(written, buff, "1.e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%#.0e", 1.5); |
| ASSERT_STREQ_LEN(written, buff, "2.e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%015e", 1.5); |
| ASSERT_STREQ_LEN(written, buff, "0001.500000e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%015e", -1.5); |
| ASSERT_STREQ_LEN(written, buff, "-001.500000e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%+- #0e", 0.0); |
| ASSERT_STREQ_LEN(written, buff, "+0.000000e+00"); |
| |
| // Combined Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%10.2e", 9.99); |
| ASSERT_STREQ_LEN(written, buff, " 9.99e+00"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%10.1e", 9.99); |
| ASSERT_STREQ_LEN(written, buff, " 1.0e+01"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%10.0e", 9.99); |
| ASSERT_STREQ_LEN(written, buff, " 1e+01"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%10.0e", 0.0999); |
| ASSERT_STREQ_LEN(written, buff, " 1e-01"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-10.2e", 9.99); |
| ASSERT_STREQ_LEN(written, buff, "9.99e+00 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-10.1e", 9.99); |
| ASSERT_STREQ_LEN(written, buff, "1.0e+01 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-10.1e", 1.0e-50); |
| ASSERT_STREQ_LEN(written, buff, "1.0e-50 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%30e", 1234567890123456789.0); |
| ASSERT_STREQ_LEN(written, buff, " 1.234568e+18"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-30e", 1234567890123456789.0); |
| ASSERT_STREQ_LEN(written, buff, "1.234568e+18 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%25.14e", 9999999999999.99); |
| ASSERT_STREQ_LEN(written, buff, " 9.99999999999999e+12"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%25.13e", 9999999999999.99); |
| ASSERT_STREQ_LEN(written, buff, " 1.0000000000000e+13"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%25.12e", 9999999999999.99); |
| ASSERT_STREQ_LEN(written, buff, " 1.000000000000e+13"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%12.3e %-12.3e", 0.1, 256.0); |
| ASSERT_STREQ_LEN(written, buff, " 1.000e-01 2.560e+02 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%+-#12.3e % 012.3e", 0.1256, 1256.0); |
| ASSERT_STREQ_LEN(written, buff, "+1.256e-01 001.256e+03"); |
| } |
| |
| TEST_F(LlvmLibcSPrintfTest, FloatExponentLongDoubleConv) { |
| ForceRoundingMode r(RoundingMode::Nearest); |
| // Length Modifier Tests. |
| |
| #if defined(LIBC_TYPES_LONG_DOUBLE_IS_X86_FLOAT80) |
| written = LIBC_NAMESPACE::sprintf(buff, "%.9Le", 1000000000500000000.1L); |
| ASSERT_STREQ_LEN(written, buff, "1.000000001e+18"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.9Le", 1000000000500000000.0L); |
| ASSERT_STREQ_LEN(written, buff, "1.000000000e+18"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%Le", 0xf.fffffffffffffffp+16380L); |
| ASSERT_STREQ_LEN(written, buff, "1.189731e+4932"); |
| #endif |
| |
| // TODO: Fix long doubles (needs bigger table or alternate algorithm.) |
| // Currently the table values are generated, which is very slow. |
| /* |
| written = LIBC_NAMESPACE::sprintf(buff, "%Lf", 1e100L); |
| ASSERT_STREQ_LEN(written, buff, |
| "99999999999999999996693535322073426194986990198284960792713" |
| "91541752018669482644324418977840117055488.000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%Lf", 1.0L); |
| ASSERT_STREQ_LEN(written, buff, "1.000000"); |
| |
| char big_buff[10000]; |
| written = LIBC_NAMESPACE::sprintf(big_buff, "%Lf", 1e1000L); |
| ASSERT_STREQ_LEN( |
| written, big_buff, |
| "999999999999999999973107317669562353428234857594552594925899449376328728" |
| "202461036775511405481186963193066642191664822065529414252060696836533522" |
| "387143501724276282079456797058697369889056407118642873669166717313763499" |
| "277025985141177344925615052465165938514140943010597323750202561187880136" |
| "174810574553749194614479541820148407958204853833697063267336294787191005" |
| "628217462261955103745349844675732989944229689277833828743730290177882029" |
| "042613704915899149603539993716885598351951895974316347947147507970269673" |
| "097709017164643598452451201499004104341931127294141495501309305995449742" |
| "273419524803597130450457553871345958049837885085168840317195672271085085" |
| "950520957945970913451088104971436093671776829538796532762184174216651692" |
| "640931965387852083906784898823494867055070322768919156031682291829761007" |
| "101483799978382119231551218582499361996919560548090784230386907125151658" |
| "086767207295524036170321059257942621398084478974000973622199163292708506" |
| "2431457550909271560663602154947063707982236377366647567795879936." |
| "000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(big_buff, "%Lf", 1e4900L); |
| ASSERT_STREQ_LEN( |
| written, big_buff, |
| "100000000000000000002708312230690349833224052504078834346502930111959028" |
| "517260692666637048230414374897655201843766090626319971729765251179632020" |
| "313912652522792711197087872698264530532442630109549129842736280196919130" |
| "242615101228133188193853826983121366159061148351354364472807590931218045" |
| "387490935930967150336231085015126034696883068553581691802388371635128003" |
| "615577299166097675723780877126495909902479233742826339471026068806070433" |
| "075629449530819183550315434973800271862658869400009022028602967197463980" |
| "126881829804282202449930132940824361207087494829502385835258094836304011" |
| "876250359661206802659650567866176246063987902366800491980400341950657151" |
| "370854446585517805253310195469184699955519312761482572080479702840420595" |
| "377369017651259376039167277822106875560385309101650382998482652792335482" |
| "865443482342801545877390859444282105890147577937366066315975231014810320" |
| "888482059656248277607763361589359794524314002443575149260630989130103550" |
| "443177966380769341050735632338583912575890190136462629316287947355057647" |
| "111088565611192544631519843618778618820046304429723908484879583579178075" |
| "456701368334212923379389029311286386996015804122917416008806233549005183" |
| "152461084266176543129004016414959261473645240454289630182591200574019087" |
| "358223489767381636349719510715487188747217311279465814538495924567014916" |
| "238565628036285599497236493491668884212847699052761266207598941300449276" |
| "447201387520841811835583254242213093566548778954711633721122784159793843" |
| "766802019309395771984693609426401362800013936338891483689127845928572536" |
| "790651156184721483511507878883282891696900630100211914227950790472211403" |
| "392549466062537498185758854079775888444518306635752468713312357556380082" |
| "275500658967283696421824354930077523691855699312544373220921962817907078" |
| "445538421941800259027487429330768616490865438859612697367766323925013940" |
| "918384858952407145253573823848733994146335416209309233074165707437420756" |
| "438833918763109580759409985573826485055208965115587885226774453455112406" |
| "581351429640282227888764449360534584421929291565334894907337572527922691" |
| "473242328379737396430908523008687037407295838014450772162091496534584696" |
| "605157436893236842602956298545594095307060870397506421786236892553632163" |
| "491468601982681381011940409602294892199042638682530687578982576819839451" |
| "907594697546439533559153604700750696252355362322662219852740143212566818" |
| "745528402265116534684566273868361460640280523251242059850044328669692159" |
| "629900374576027104298177006629276014371540945261309319363704125592775129" |
| "543526908667388673739382491147471395192495459318806593271282662311169392" |
| "196897003517840025298267505925987901751541005546610016067658227181318892" |
| "914686508281007582655667597441346214499847364272258631922040641860333431" |
| "409838623713258383681350233064164940590695888300919626215847587544298023" |
| "636416943680102708406086295669759876682046839368574433996997648445207805" |
| "615784339667691231286807666753972942872019850432610318031627872612657513" |
| "588188267160616660825719678199868371370527508463011236193719286066916786" |
| "169956541349011494927225747024994619057884118692213564790598702879596058" |
| "672338334720925179141906809470606964896245458600635183723159228561689808" |
| "246141482736625197373238197777325580142168245885279594913851700941789475" |
| "252421784152262567254611571822468808675893407728003047921107885664474662" |
| "930921581384003950729114103689170603748380178682003976896397305836815761" |
| "717676338115866650889936516794601457549097578905329423919798362140648664" |
| "569177147076571576101649257502509463877402424847669830852345415301684820" |
| "395813946416649808062227494112874521812750160935760825922220707178083076" |
| "380203450993589198835885505461509442443773367592842795410339065860781804" |
| "024975272228687688301824830333940416256885455008512598774611538878683158" |
| "183931461086893832255176926531299425504132104728730288984598001187854507" |
| "900417184206801359847651992484444933900133130832052346600926424167009902" |
| "829803553087005800387704758687923428053612864451456596148162238935900033" |
| "917094683141205188616000211702577553792389670853917118547527592495253773" |
| "028135298405566315903922235989614934474805789300370437580494193066066314" |
| "056627605207631392651010580925826419831250810981343093764403877594495896" |
| "516881097415880926429607388979497471571321217205535961262051641426436441" |
| "668989765107456413733909427384182109285933511623871034309722437967253289" |
| "084018145083721513211807496392673952789642893241520398827805325610653506" |
| "029060153153064455898648607959013571280930834475689835845791849456112104" |
| "462337569019001580859906425911782967213265389744605395555069797947978230" |
| "708108432086217134763779632408473684293543722127232658767439906910370146" |
| "716836295909075482355827087389127370874842532825987593970846704144140471" |
| "956027276735614286138656432085771988513977140957180090146798065497158947" |
| "229765733489703157617307078835099906185890777007500964162371428641176460" |
| "739074789794941408428328217107759915202650066155868439585510978709442590" |
| "231934194956788626761834746430104077432547436359522462253411168467463134" |
| "24896.000000"); |
| */ |
| } |
| |
| TEST_F(LlvmLibcSPrintfTest, FloatAutoConv) { |
| ForceRoundingMode r(RoundingMode::Nearest); |
| double inf = LIBC_NAMESPACE::fputil::FPBits<double>::inf().get_val(); |
| double nan = LIBC_NAMESPACE::fputil::FPBits<double>::quiet_nan().get_val(); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%g", 1.0); |
| ASSERT_STREQ_LEN(written, buff, "1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%G", -1.0); |
| ASSERT_STREQ_LEN(written, buff, "-1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%g", -1.234567); |
| ASSERT_STREQ_LEN(written, buff, "-1.23457"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%g", 0.0); |
| ASSERT_STREQ_LEN(written, buff, "0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%g", -0.0); |
| ASSERT_STREQ_LEN(written, buff, "-0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%g", 1.5); |
| ASSERT_STREQ_LEN(written, buff, "1.5"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%g", 1e300); |
| ASSERT_STREQ_LEN(written, buff, "1e+300"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%g", 0.1); |
| ASSERT_STREQ_LEN(written, buff, "0.1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%g", 0.001); |
| ASSERT_STREQ_LEN(written, buff, "0.001"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%g", 0.00001); |
| ASSERT_STREQ_LEN(written, buff, "1e-05"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%g", 0.0000001); |
| ASSERT_STREQ_LEN(written, buff, "1e-07"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%g", 0.000000001); |
| ASSERT_STREQ_LEN(written, buff, "1e-09"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%g", 1.0e-20); |
| ASSERT_STREQ_LEN(written, buff, "1e-20"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%g", 1234567890123456789.0); |
| ASSERT_STREQ_LEN(written, buff, "1.23457e+18"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%g", 9999990000000.00); |
| ASSERT_STREQ_LEN(written, buff, "9.99999e+12"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%g", 9999999000000.00); |
| ASSERT_STREQ_LEN(written, buff, "1e+13"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%g", 0xa.aaaaaaaaaaaaaabp-7); |
| ASSERT_STREQ_LEN(written, buff, "0.0833333"); |
| |
| // Simple Subnormal Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%g", 0x1.0p-1027); |
| ASSERT_STREQ_LEN(written, buff, "6.95336e-310"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%g", 0x1.0p-1074); |
| ASSERT_STREQ_LEN(written, buff, "4.94066e-324"); |
| |
| // Inf/Nan Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%g", inf); |
| ASSERT_STREQ_LEN(written, buff, "inf"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%G", -inf); |
| ASSERT_STREQ_LEN(written, buff, "-INF"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%g", nan); |
| ASSERT_STREQ_LEN(written, buff, "nan"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%G", -nan); |
| ASSERT_STREQ_LEN(written, buff, "-NAN"); |
| |
| // Min Width Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%15g", 1.0); |
| ASSERT_STREQ_LEN(written, buff, " 1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%15g", -1.0); |
| ASSERT_STREQ_LEN(written, buff, " -1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%15g", 1.0e5); |
| ASSERT_STREQ_LEN(written, buff, " 100000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%15g", -1.0e5); |
| ASSERT_STREQ_LEN(written, buff, " -100000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%10g", 1.0e-5); |
| ASSERT_STREQ_LEN(written, buff, " 1e-05"); |
| |
| // Precision Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 1.23456789); |
| ASSERT_STREQ_LEN(written, buff, "1.2"); |
| |
| // Trimming trailing zeroes causes the precision to be ignored here. |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1g", 0.0); |
| ASSERT_STREQ_LEN(written, buff, "0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.0g", 0.0); |
| ASSERT_STREQ_LEN(written, buff, "0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 0.1); |
| ASSERT_STREQ_LEN(written, buff, "0.1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 1.09); |
| ASSERT_STREQ_LEN(written, buff, "1.1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 1.04); |
| ASSERT_STREQ_LEN(written, buff, "1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 1.19); |
| ASSERT_STREQ_LEN(written, buff, "1.2"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 1.99); |
| ASSERT_STREQ_LEN(written, buff, "2"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 9.99); |
| ASSERT_STREQ_LEN(written, buff, "10"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.3g", 99.9); |
| ASSERT_STREQ_LEN(written, buff, "99.9"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 99.9); |
| ASSERT_STREQ_LEN(written, buff, "1e+02"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1g", 99.9); |
| ASSERT_STREQ_LEN(written, buff, "1e+02"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.5g", 1.25); |
| ASSERT_STREQ_LEN(written, buff, "1.25"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.0g", 1.25); |
| ASSERT_STREQ_LEN(written, buff, "1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.0g", 1.75); |
| ASSERT_STREQ_LEN(written, buff, "2"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.20g", 1.234e-10); |
| ASSERT_STREQ_LEN(written, buff, "1.2340000000000000814e-10"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.3g", -9.99); |
| ASSERT_STREQ_LEN(written, buff, "-9.99"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", -9.99); |
| ASSERT_STREQ_LEN(written, buff, "-10"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1g", -9.99); |
| ASSERT_STREQ_LEN(written, buff, "-1e+01"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.5g", 1.008); |
| ASSERT_STREQ_LEN(written, buff, "1.008"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.5g", 1.008e3); |
| ASSERT_STREQ_LEN(written, buff, "1008"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.4g", 9999.0); |
| ASSERT_STREQ_LEN(written, buff, "9999"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.3g", 9999.0); |
| ASSERT_STREQ_LEN(written, buff, "1e+04"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.3g", 1256.0); |
| ASSERT_STREQ_LEN(written, buff, "1.26e+03"); |
| |
| // Found through large scale testing. |
| written = LIBC_NAMESPACE::sprintf(buff, "%.15g", 22.25); |
| ASSERT_STREQ_LEN(written, buff, "22.25"); |
| |
| // These tests also focus on rounding, but only in how it relates to the base |
| // 10 exponent. The %g conversion selects between being a %f or %e conversion |
| // based on what the exponent would be if it was %e. If we call the precision |
| // P (equal to 6 if the precision is not set, 0 if the provided precision is |
| // 0, and provided precision - 1 otherwise) and the exponent X, then the style |
| // is %f with an effective precision of P - X + 1 if P > X >= -4, else the |
| // style is %e with effective precision P - 1. Additionally, it attempts to |
| // trim zeros that would be displayed after the decimal point. |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1g", 9.059E+200); |
| ASSERT_STREQ_LEN(written, buff, "9e+200"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 9.059E+200); |
| ASSERT_STREQ_LEN(written, buff, "9.1e+200"); |
| |
| // For this test, P = 0 and X = 1, so P > X >= -4 is false, giving a %e style. |
| written = LIBC_NAMESPACE::sprintf(buff, "%.0g", 9.5); |
| ASSERT_STREQ_LEN(written, buff, "1e+01"); |
| |
| // Subnormal Precision Tests |
| written = LIBC_NAMESPACE::sprintf(buff, "%.310g", 0x1.0p-1022); |
| ASSERT_STREQ_LEN( |
| written, buff, |
| "2." |
| "225073858507201383090232717332404064219215980462331830553327416887204434" |
| "813918195854283159012511020564067339731035811005152434161553460108856012" |
| "385377718821130777993532002330479610147442583636071921565046942503734208" |
| "375250806650616658158948720491179968591639648500635908770118304874799780" |
| "887753749949451580452e-308"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.30g", 0x1.0p-1022); |
| ASSERT_STREQ_LEN(written, buff, "2.22507385850720138309023271733e-308"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.310g", 0x1.0p-1023); |
| ASSERT_STREQ_LEN( |
| written, buff, |
| "1." |
| "112536929253600691545116358666202032109607990231165915276663708443602217" |
| "406959097927141579506255510282033669865517905502576217080776730054428006" |
| "192688859410565388996766001165239805073721291818035960782523471251867104" |
| "187625403325308329079474360245589984295819824250317954385059152437399890" |
| "443876874974725790226e-308"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.7g", 9.99999e-310); |
| ASSERT_STREQ_LEN(written, buff, "9.99999e-310"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.6g", 9.99999e-310); |
| ASSERT_STREQ_LEN(written, buff, "9.99999e-310"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.5g", 9.99999e-310); |
| ASSERT_STREQ_LEN(written, buff, "1e-309"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.4g", 9.99999e-310); |
| ASSERT_STREQ_LEN(written, buff, "1e-309"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.3g", 9.99999e-310); |
| ASSERT_STREQ_LEN(written, buff, "1e-309"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 9.99999e-310); |
| ASSERT_STREQ_LEN(written, buff, "1e-309"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1g", 9.99999e-310); |
| ASSERT_STREQ_LEN(written, buff, "1e-309"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.0g", 9.99999e-310); |
| ASSERT_STREQ_LEN(written, buff, "1e-309"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.10g", 0x1.0p-1074); |
| ASSERT_STREQ_LEN(written, buff, "4.940656458e-324"); |
| |
| #if defined(LIBC_TYPES_LONG_DOUBLE_IS_X86_FLOAT80) |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.60Lg", 0xa.aaaaaaaaaaaaaabp-7L); |
| ASSERT_STREQ_LEN( |
| written, buff, |
| "0.0833333333333333333355920878593448009041821933351457118988037"); |
| |
| #endif // LIBC_TYPES_LONG_DOUBLE_IS_X86_FLOAT80 |
| |
| // Long double precision tests. |
| // These are currently commented out because they require long double support |
| // that isn't ready yet. |
| /* |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1La", 0.1L); |
| #if defined(LIBC_TYPES_LONG_DOUBLE_IS_X86_FLOAT80) |
| ASSERT_STREQ_LEN(written, buff, "0xc.dp-7"); |
| #elif defined(LIBC_TYPES_LONG_DOUBLE_IS_FLOAT64) |
| ASSERT_STREQ_LEN(written, buff, "0x1.ap-4"); |
| #elif defined(LIBC_TYPES_LONG_DOUBLE_IS_FLOAT128) |
| ASSERT_STREQ_LEN(written, buff, "0x1.ap-4"); |
| #endif |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.1La", |
| 0xf.fffffffffffffffp16380L); #if |
| defined(LIBC_TYPES_LONG_DOUBLE_IS_X86_FLOAT80) ASSERT_STREQ_LEN(written, buff, |
| "0x1.0p+16384"); #elif defined(LIBC_TYPES_LONG_DOUBLE_IS_FLOAT64) |
| ASSERT_STREQ_LEN(written, buff, "inf"); |
| #elif defined(LIBC_TYPES_LONG_DOUBLE_IS_FLOAT128) |
| ASSERT_STREQ_LEN(written, buff, "0x2.0p+16383"); |
| #endif |
| */ |
| |
| // Rounding Mode Tests. |
| |
| if (ForceRoundingMode r(RoundingMode::Nearest); r.success) { |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 1.75); |
| ASSERT_STREQ_LEN(written, buff, "1.8"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 1.25); |
| ASSERT_STREQ_LEN(written, buff, "1.2"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 1.125); |
| ASSERT_STREQ_LEN(written, buff, "1.1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 1.625); |
| ASSERT_STREQ_LEN(written, buff, "1.6"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 1.375); |
| ASSERT_STREQ_LEN(written, buff, "1.4"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 1.875); |
| ASSERT_STREQ_LEN(written, buff, "1.9"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", -1.75); |
| ASSERT_STREQ_LEN(written, buff, "-1.8"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", -1.25); |
| ASSERT_STREQ_LEN(written, buff, "-1.2"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", -1.125); |
| ASSERT_STREQ_LEN(written, buff, "-1.1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", -1.625); |
| ASSERT_STREQ_LEN(written, buff, "-1.6"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", -1.375); |
| ASSERT_STREQ_LEN(written, buff, "-1.4"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", -1.875); |
| ASSERT_STREQ_LEN(written, buff, "-1.9"); |
| } |
| |
| if (ForceRoundingMode r(RoundingMode::Upward); r.success) { |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 1.75); |
| ASSERT_STREQ_LEN(written, buff, "1.8"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 1.25); |
| ASSERT_STREQ_LEN(written, buff, "1.3"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 1.125); |
| ASSERT_STREQ_LEN(written, buff, "1.2"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 1.625); |
| ASSERT_STREQ_LEN(written, buff, "1.7"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 1.375); |
| ASSERT_STREQ_LEN(written, buff, "1.4"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 1.875); |
| ASSERT_STREQ_LEN(written, buff, "1.9"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", -1.75); |
| ASSERT_STREQ_LEN(written, buff, "-1.7"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", -1.25); |
| ASSERT_STREQ_LEN(written, buff, "-1.2"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", -1.125); |
| ASSERT_STREQ_LEN(written, buff, "-1.1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", -1.625); |
| ASSERT_STREQ_LEN(written, buff, "-1.6"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", -1.375); |
| ASSERT_STREQ_LEN(written, buff, "-1.3"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", -1.875); |
| ASSERT_STREQ_LEN(written, buff, "-1.8"); |
| } |
| |
| if (ForceRoundingMode r(RoundingMode::Downward); r.success) { |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 1.75); |
| ASSERT_STREQ_LEN(written, buff, "1.7"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 1.25); |
| ASSERT_STREQ_LEN(written, buff, "1.2"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 1.125); |
| ASSERT_STREQ_LEN(written, buff, "1.1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 1.625); |
| ASSERT_STREQ_LEN(written, buff, "1.6"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 1.375); |
| ASSERT_STREQ_LEN(written, buff, "1.3"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 1.875); |
| ASSERT_STREQ_LEN(written, buff, "1.8"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", -1.75); |
| ASSERT_STREQ_LEN(written, buff, "-1.8"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", -1.25); |
| ASSERT_STREQ_LEN(written, buff, "-1.3"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", -1.125); |
| ASSERT_STREQ_LEN(written, buff, "-1.2"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", -1.625); |
| ASSERT_STREQ_LEN(written, buff, "-1.7"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", -1.375); |
| ASSERT_STREQ_LEN(written, buff, "-1.4"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", -1.875); |
| ASSERT_STREQ_LEN(written, buff, "-1.9"); |
| } |
| |
| if (ForceRoundingMode r(RoundingMode::TowardZero); r.success) { |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 1.75); |
| ASSERT_STREQ_LEN(written, buff, "1.7"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 1.25); |
| ASSERT_STREQ_LEN(written, buff, "1.2"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 1.125); |
| ASSERT_STREQ_LEN(written, buff, "1.1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 1.625); |
| ASSERT_STREQ_LEN(written, buff, "1.6"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 1.375); |
| ASSERT_STREQ_LEN(written, buff, "1.3"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", 1.875); |
| ASSERT_STREQ_LEN(written, buff, "1.8"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", -1.75); |
| ASSERT_STREQ_LEN(written, buff, "-1.7"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", -1.25); |
| ASSERT_STREQ_LEN(written, buff, "-1.2"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", -1.125); |
| ASSERT_STREQ_LEN(written, buff, "-1.1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", -1.625); |
| ASSERT_STREQ_LEN(written, buff, "-1.6"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", -1.375); |
| ASSERT_STREQ_LEN(written, buff, "-1.3"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.2g", -1.875); |
| ASSERT_STREQ_LEN(written, buff, "-1.8"); |
| } |
| |
| // Flag Tests. |
| written = LIBC_NAMESPACE::sprintf(buff, "%+g", 1.0); |
| ASSERT_STREQ_LEN(written, buff, "+1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%+g", -1.0); |
| ASSERT_STREQ_LEN(written, buff, "-1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "% g", 1.0); |
| ASSERT_STREQ_LEN(written, buff, " 1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "% g", -1.0); |
| ASSERT_STREQ_LEN(written, buff, "-1"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-15g", 1.5); |
| ASSERT_STREQ_LEN(written, buff, "1.5 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%#.g", 1.0); |
| ASSERT_STREQ_LEN(written, buff, "1."); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%#g", 1.0); |
| ASSERT_STREQ_LEN(written, buff, "1.00000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%#.0g", 1.5); |
| ASSERT_STREQ_LEN(written, buff, "2."); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%015g", 1.5); |
| ASSERT_STREQ_LEN(written, buff, "0000000000001.5"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%015g", -1.5); |
| ASSERT_STREQ_LEN(written, buff, "-000000000001.5"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%+- #0g", 0.0); |
| ASSERT_STREQ_LEN(written, buff, "+0.00000"); |
| |
| // Combined Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%10.3g", 9.99); |
| ASSERT_STREQ_LEN(written, buff, " 9.99"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%10.2g", 9.99); |
| ASSERT_STREQ_LEN(written, buff, " 10"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%10.1g", 9.99); |
| ASSERT_STREQ_LEN(written, buff, " 1e+01"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-10.3g", 9.99); |
| ASSERT_STREQ_LEN(written, buff, "9.99 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-10.2g", 9.99); |
| ASSERT_STREQ_LEN(written, buff, "10 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-10.1g", 9.99); |
| ASSERT_STREQ_LEN(written, buff, "1e+01 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-10.1g", 1.0e-50); |
| ASSERT_STREQ_LEN(written, buff, "1e-50 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%30g", 1234567890123456789.0); |
| ASSERT_STREQ_LEN(written, buff, " 1.23457e+18"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-30g", 1234567890123456789.0); |
| ASSERT_STREQ_LEN(written, buff, "1.23457e+18 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%25.15g", 9999999999999.99); |
| ASSERT_STREQ_LEN(written, buff, " 9999999999999.99"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%25.14g", 9999999999999.99); |
| ASSERT_STREQ_LEN(written, buff, " 10000000000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%25.13g", 9999999999999.99); |
| ASSERT_STREQ_LEN(written, buff, " 1e+13"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%#12.3g %-12.3g", 0.1, 256.0); |
| ASSERT_STREQ_LEN(written, buff, " 0.100 256 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%+-#12.3g % 012.3g", 0.1256, 1256.0); |
| ASSERT_STREQ_LEN(written, buff, "+0.126 0001.26e+03"); |
| } |
| |
| TEST_F(LlvmLibcSPrintfTest, FloatAutoLongDoubleConv) { |
| ForceRoundingMode r(RoundingMode::Nearest); |
| |
| // Length Modifier Tests. |
| |
| #if defined(LIBC_TYPES_LONG_DOUBLE_IS_X86_FLOAT80) |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%Lg", 0xf.fffffffffffffffp+16380L); |
| ASSERT_STREQ_LEN(written, buff, "1.18973e+4932"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%Lg", 0xa.aaaaaaaaaaaaaabp-7L); |
| ASSERT_STREQ_LEN(written, buff, "0.0833333"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%Lg", 9.99999999999e-100L); |
| ASSERT_STREQ_LEN(written, buff, "1e-99"); |
| |
| #endif // LIBC_TYPES_LONG_DOUBLE_IS_X86_FLOAT80 |
| |
| // TODO: Uncomment the below tests after long double support is added |
| /* |
| written = LIBC_NAMESPACE::sprintf(buff, "%Lf", 1e100L); |
| ASSERT_STREQ_LEN(written, buff, |
| "99999999999999999996693535322073426194986990198284960792713" |
| "91541752018669482644324418977840117055488.000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%Lf", 1.0L); |
| ASSERT_STREQ_LEN(written, buff, "1.000000"); |
| |
| char big_buff[10000]; |
| written = LIBC_NAMESPACE::sprintf(big_buff, "%Lf", 1e1000L); |
| ASSERT_STREQ_LEN( |
| written, big_buff, |
| "999999999999999999973107317669562353428234857594552594925899449376328728" |
| "202461036775511405481186963193066642191664822065529414252060696836533522" |
| "387143501724276282079456797058697369889056407118642873669166717313763499" |
| "277025985141177344925615052465165938514140943010597323750202561187880136" |
| "174810574553749194614479541820148407958204853833697063267336294787191005" |
| "628217462261955103745349844675732989944229689277833828743730290177882029" |
| "042613704915899149603539993716885598351951895974316347947147507970269673" |
| "097709017164643598452451201499004104341931127294141495501309305995449742" |
| "273419524803597130450457553871345958049837885085168840317195672271085085" |
| "950520957945970913451088104971436093671776829538796532762184174216651692" |
| "640931965387852083906784898823494867055070322768919156031682291829761007" |
| "101483799978382119231551218582499361996919560548090784230386907125151658" |
| "086767207295524036170321059257942621398084478974000973622199163292708506" |
| "2431457550909271560663602154947063707982236377366647567795879936." |
| "000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(big_buff, "%Lf", 1e4900L); |
| ASSERT_STREQ_LEN( |
| written, big_buff, |
| "100000000000000000002708312230690349833224052504078834346502930111959028" |
| "517260692666637048230414374897655201843766090626319971729765251179632020" |
| "313912652522792711197087872698264530532442630109549129842736280196919130" |
| "242615101228133188193853826983121366159061148351354364472807590931218045" |
| "387490935930967150336231085015126034696883068553581691802388371635128003" |
| "615577299166097675723780877126495909902479233742826339471026068806070433" |
| "075629449530819183550315434973800271862658869400009022028602967197463980" |
| "126881829804282202449930132940824361207087494829502385835258094836304011" |
| "876250359661206802659650567866176246063987902366800491980400341950657151" |
| "370854446585517805253310195469184699955519312761482572080479702840420595" |
| "377369017651259376039167277822106875560385309101650382998482652792335482" |
| "865443482342801545877390859444282105890147577937366066315975231014810320" |
| "888482059656248277607763361589359794524314002443575149260630989130103550" |
| "443177966380769341050735632338583912575890190136462629316287947355057647" |
| "111088565611192544631519843618778618820046304429723908484879583579178075" |
| "456701368334212923379389029311286386996015804122917416008806233549005183" |
| "152461084266176543129004016414959261473645240454289630182591200574019087" |
| "358223489767381636349719510715487188747217311279465814538495924567014916" |
| "238565628036285599497236493491668884212847699052761266207598941300449276" |
| "447201387520841811835583254242213093566548778954711633721122784159793843" |
| "766802019309395771984693609426401362800013936338891483689127845928572536" |
| "790651156184721483511507878883282891696900630100211914227950790472211403" |
| "392549466062537498185758854079775888444518306635752468713312357556380082" |
| "275500658967283696421824354930077523691855699312544373220921962817907078" |
| "445538421941800259027487429330768616490865438859612697367766323925013940" |
| "918384858952407145253573823848733994146335416209309233074165707437420756" |
| "438833918763109580759409985573826485055208965115587885226774453455112406" |
| "581351429640282227888764449360534584421929291565334894907337572527922691" |
| "473242328379737396430908523008687037407295838014450772162091496534584696" |
| "605157436893236842602956298545594095307060870397506421786236892553632163" |
| "491468601982681381011940409602294892199042638682530687578982576819839451" |
| "907594697546439533559153604700750696252355362322662219852740143212566818" |
| "745528402265116534684566273868361460640280523251242059850044328669692159" |
| "629900374576027104298177006629276014371540945261309319363704125592775129" |
| "543526908667388673739382491147471395192495459318806593271282662311169392" |
| "196897003517840025298267505925987901751541005546610016067658227181318892" |
| "914686508281007582655667597441346214499847364272258631922040641860333431" |
| "409838623713258383681350233064164940590695888300919626215847587544298023" |
| "636416943680102708406086295669759876682046839368574433996997648445207805" |
| "615784339667691231286807666753972942872019850432610318031627872612657513" |
| "588188267160616660825719678199868371370527508463011236193719286066916786" |
| "169956541349011494927225747024994619057884118692213564790598702879596058" |
| "672338334720925179141906809470606964896245458600635183723159228561689808" |
| "246141482736625197373238197777325580142168245885279594913851700941789475" |
| "252421784152262567254611571822468808675893407728003047921107885664474662" |
| "930921581384003950729114103689170603748380178682003976896397305836815761" |
| "717676338115866650889936516794601457549097578905329423919798362140648664" |
| "569177147076571576101649257502509463877402424847669830852345415301684820" |
| "395813946416649808062227494112874521812750160935760825922220707178083076" |
| "380203450993589198835885505461509442443773367592842795410339065860781804" |
| "024975272228687688301824830333940416256885455008512598774611538878683158" |
| "183931461086893832255176926531299425504132104728730288984598001187854507" |
| "900417184206801359847651992484444933900133130832052346600926424167009902" |
| "829803553087005800387704758687923428053612864451456596148162238935900033" |
| "917094683141205188616000211702577553792389670853917118547527592495253773" |
| "028135298405566315903922235989614934474805789300370437580494193066066314" |
| "056627605207631392651010580925826419831250810981343093764403877594495896" |
| "516881097415880926429607388979497471571321217205535961262051641426436441" |
| "668989765107456413733909427384182109285933511623871034309722437967253289" |
| "084018145083721513211807496392673952789642893241520398827805325610653506" |
| "029060153153064455898648607959013571280930834475689835845791849456112104" |
| "462337569019001580859906425911782967213265389744605395555069797947978230" |
| "708108432086217134763779632408473684293543722127232658767439906910370146" |
| "716836295909075482355827087389127370874842532825987593970846704144140471" |
| "956027276735614286138656432085771988513977140957180090146798065497158947" |
| "229765733489703157617307078835099906185890777007500964162371428641176460" |
| "739074789794941408428328217107759915202650066155868439585510978709442590" |
| "231934194956788626761834746430104077432547436359522462253411168467463134" |
| "24896.000000"); |
| */ |
| /* |
| written = LIBC_NAMESPACE::sprintf(buff, "%La", 0.1L); |
| #if defined(LIBC_TYPES_LONG_DOUBLE_IS_X86_FLOAT80) |
| ASSERT_STREQ_LEN(written, buff, "0xc.ccccccccccccccdp-7"); |
| #elif defined(LIBC_TYPES_LONG_DOUBLE_IS_FLOAT64) |
| ASSERT_STREQ_LEN(written, buff, "0x1.999999999999ap-4"); |
| #elif defined(LIBC_TYPES_LONG_DOUBLE_IS_FLOAT128) |
| ASSERT_STREQ_LEN(written, buff, "0x1.999999999999999999999999999ap-4"); |
| #endif |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%La", 1.0e1000L); |
| #if defined(LIBC_TYPES_LONG_DOUBLE_IS_X86_FLOAT80) |
| ASSERT_STREQ_LEN(written, buff, "0xf.38db1f9dd3dac05p+3318"); |
| #elif defined(LIBC_TYPES_LONG_DOUBLE_IS_FLOAT64) |
| ASSERT_STREQ_LEN(written, buff, "inf"); |
| #elif defined(LIBC_TYPES_LONG_DOUBLE_IS_FLOAT128) |
| ASSERT_STREQ_LEN(written, buff, "0x1.e71b63f3ba7b580af1a52d2a7379p+3321"); |
| #endif |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%La", 1.0e-1000L); |
| #if defined(LIBC_TYPES_LONG_DOUBLE_IS_X86_FLOAT80) |
| ASSERT_STREQ_LEN(written, buff, "0x8.68a9188a89e1467p-3325"); |
| #elif defined(LIBC_TYPES_LONG_DOUBLE_IS_FLOAT64) |
| ASSERT_STREQ_LEN(written, buff, "0x0p+0"); |
| #elif defined(LIBC_TYPES_LONG_DOUBLE_IS_FLOAT128) |
| ASSERT_STREQ_LEN(written, buff, "0x1.0d152311513c28ce202627c06ec2p-3322"); |
| #endif |
| */ |
| } |
| |
| #endif // LIBC_COPT_PRINTF_DISABLE_FLOAT |
| |
| #if defined(LIBC_COMPILER_HAS_FIXED_POINT) && \ |
| !defined(LIBC_COPT_PRINTF_DISABLE_FIXED_POINT) |
| TEST_F(LlvmLibcSPrintfTest, FixedConv) { |
| |
| // These numeric tests are potentially a little weak, but the fuzz test is |
| // more thorough than my handwritten tests tend to be. |
| |
| // TODO: Replace hex literals with their appropriate fixed point literals. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%k", 0x0); // 0.0 |
| ASSERT_STREQ_LEN(written, buff, "0.000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%k", 0x80000000); // -0.0 |
| ASSERT_STREQ_LEN(written, buff, "-0.000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%r", 0xffff); // -fract max |
| ASSERT_STREQ_LEN(written, buff, "-0.999969"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%R", 0xffff); // unsigned fract max |
| ASSERT_STREQ_LEN(written, buff, "0.999985"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%k", 0xffffffff); // -accum max |
| ASSERT_STREQ_LEN(written, buff, "-65535.999969"); |
| |
| written = |
| LIBC_NAMESPACE::sprintf(buff, "%K", 0xffffffff); // unsigned accum max |
| ASSERT_STREQ_LEN(written, buff, "65535.999985"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%r", 0x7fff); // fract max |
| ASSERT_STREQ_LEN(written, buff, "0.999969"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%k", 0x7fffffff); // accum max |
| ASSERT_STREQ_LEN(written, buff, "65535.999969"); |
| |
| // Length Modifier Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%hk", 0x0); // 0.0 |
| ASSERT_STREQ_LEN(written, buff, "0.000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%hk", 0xffff); // -short accum max |
| ASSERT_STREQ_LEN(written, buff, "-255.992188"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%hr", 0x0); // 0.0 |
| ASSERT_STREQ_LEN(written, buff, "0.000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%hr", 0xff); // -short fract max |
| ASSERT_STREQ_LEN(written, buff, "-0.992188"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%hK", 0x0); // 0.0 |
| ASSERT_STREQ_LEN(written, buff, "0.000000"); |
| |
| written = |
| LIBC_NAMESPACE::sprintf(buff, "%hK", 0xffff); // unsigned short accum max |
| ASSERT_STREQ_LEN(written, buff, "255.996094"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%hR", 0x0); // 0.0 |
| ASSERT_STREQ_LEN(written, buff, "0.000000"); |
| |
| written = |
| LIBC_NAMESPACE::sprintf(buff, "%hR", 0xff); // unsigned short fract max |
| ASSERT_STREQ_LEN(written, buff, "0.996094"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%lk", 0x0); // 0.0 |
| ASSERT_STREQ_LEN(written, buff, "0.000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%lk", |
| 0xffffffffffffffff); //-long accum max |
| ASSERT_STREQ_LEN(written, buff, "-4294967296.000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%lr", 0x0); // 0.0 |
| ASSERT_STREQ_LEN(written, buff, "0.000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%lr", |
| 0xffffffff); //-long fract max |
| ASSERT_STREQ_LEN(written, buff, "-1.000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%lK", 0x0); // 0.0 |
| ASSERT_STREQ_LEN(written, buff, "0.000000"); |
| |
| written = |
| LIBC_NAMESPACE::sprintf(buff, "%lK", |
| 0xffffffffffffffff); // unsigned long accum max |
| ASSERT_STREQ_LEN(written, buff, "4294967296.000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%lR", 0x0); // 0.0 |
| ASSERT_STREQ_LEN(written, buff, "0.000000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%lR", |
| 0xffffffff); // unsigned long fract max |
| ASSERT_STREQ_LEN(written, buff, "1.000000"); |
| |
| // Min Width Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%10k", 0x0000a000); // 1.25 |
| ASSERT_STREQ_LEN(written, buff, " 1.250000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%10k", 0x8000a000); //-1.25 |
| ASSERT_STREQ_LEN(written, buff, " -1.250000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%8k", 0x0000a000); // 1.25 |
| ASSERT_STREQ_LEN(written, buff, "1.250000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%9k", 0x8000a000); //-1.25 |
| ASSERT_STREQ_LEN(written, buff, "-1.250000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%4k", 0x0000a000); // 1.25 |
| ASSERT_STREQ_LEN(written, buff, "1.250000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%4k", 0x8000a000); //-1.25 |
| ASSERT_STREQ_LEN(written, buff, "-1.250000"); |
| |
| // Precision Tests. |
| |
| written = |
| LIBC_NAMESPACE::sprintf(buff, "%.16K", 0xFFFFFFFF); // unsigned accum max |
| ASSERT_STREQ_LEN(written, buff, "65535.9999847412109375"); |
| |
| written = LIBC_NAMESPACE::sprintf( |
| buff, "%.32lK", 0xFFFFFFFFFFFFFFFF); // unsigned long accum max |
| ASSERT_STREQ_LEN(written, buff, |
| "4294967295.99999999976716935634613037109375"); |
| |
| written = |
| LIBC_NAMESPACE::sprintf(buff, "%.0K", 0xFFFFFFFF); // unsigned accum max |
| ASSERT_STREQ_LEN(written, buff, "65536"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%.0R", 0xFFFF); // unsigned fract max |
| ASSERT_STREQ_LEN(written, buff, "1"); |
| |
| // Flag Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%+k", 0x0000a000); // 1.25 |
| ASSERT_STREQ_LEN(written, buff, "+1.250000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%+k", 0x8000a000); //-1.25 |
| ASSERT_STREQ_LEN(written, buff, "-1.250000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "% k", 0x0000a000); // 1.25 |
| ASSERT_STREQ_LEN(written, buff, " 1.250000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "% k", 0x8000a000); //-1.25 |
| ASSERT_STREQ_LEN(written, buff, "-1.250000"); |
| |
| // unsigned variants ignore sign flags. |
| written = LIBC_NAMESPACE::sprintf(buff, "%+K", 0x00014000); // 1.25 |
| ASSERT_STREQ_LEN(written, buff, "1.250000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "% K", 0x00014000); // 1.25 |
| ASSERT_STREQ_LEN(written, buff, "1.250000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-10k", 0x0000c000); // 1.5 |
| ASSERT_STREQ_LEN(written, buff, "1.500000 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%#.k", 0x00008000); // 1.0 |
| ASSERT_STREQ_LEN(written, buff, "1."); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%#.0k", 0x0000c000); // 1.5 |
| ASSERT_STREQ_LEN(written, buff, "2."); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%010k", 0x0000c000); // 1.5 |
| ASSERT_STREQ_LEN(written, buff, "001.500000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%010k", 0x8000c000); //-1.5 |
| ASSERT_STREQ_LEN(written, buff, "-01.500000"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%+- #0k", 0); // 0.0 |
| ASSERT_STREQ_LEN(written, buff, "+0.000000"); |
| |
| // Combined Tests. |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%10.2k", 0x0004feb8); // 9.99 |
| ASSERT_STREQ_LEN(written, buff, " 9.99"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%5.1k", 0x0004feb8); // 9.99 |
| ASSERT_STREQ_LEN(written, buff, " 10.0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-10.2k", 0x0004feb8); // 9.99 |
| ASSERT_STREQ_LEN(written, buff, "9.99 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-5.1k", 0x0004feb8); // 9.99 |
| ASSERT_STREQ_LEN(written, buff, "10.0 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-5.1k", 0x00000001); // accum min |
| ASSERT_STREQ_LEN(written, buff, "0.0 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%30k", 0x7fffffff); // accum max |
| ASSERT_STREQ_LEN(written, buff, " 65535.999969"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%-30k", 0x7fffffff); // accum max |
| ASSERT_STREQ_LEN(written, buff, "65535.999969 "); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%20.2lK", |
| 0x3b9ac9ffFD70A3D7); // 999999999.99 |
| ASSERT_STREQ_LEN(written, buff, " 999999999.99"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%20.1lK", |
| 0x3b9ac9ffFD70A3D7); // 999999999.99 |
| ASSERT_STREQ_LEN(written, buff, " 1000000000.0"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%12.3R %-12.3k", 0x1999, |
| 0x00800000); // 0.1, 256.0 |
| ASSERT_STREQ_LEN(written, buff, " 0.100 256.000 "); |
| |
| written = |
| LIBC_NAMESPACE::sprintf(buff, "%+-#12.3lk % 012.3k", 0x000000001013a92a, |
| 0x02740000); // 0.126, 1256.0 |
| ASSERT_STREQ_LEN(written, buff, "+0.126 0001256.000"); |
| } |
| #endif // defined(LIBC_COMPILER_HAS_FIXED_POINT) && |
| // !defined(LIBC_COPT_PRINTF_DISABLE_FIXED_POINT) |
| |
| #ifndef LIBC_COPT_PRINTF_DISABLE_WRITE_INT |
| TEST(LlvmLibcSPrintfTest, WriteIntConv) { |
| char buff[64]; |
| int written; |
| int test_val = -1; |
| |
| test_val = -1; |
| written = LIBC_NAMESPACE::sprintf(buff, "12345%n67890", &test_val); |
| EXPECT_EQ(written, 10); |
| EXPECT_EQ(test_val, 5); |
| ASSERT_STREQ(buff, "1234567890"); |
| |
| test_val = -1; |
| written = LIBC_NAMESPACE::sprintf(buff, "%n", &test_val); |
| EXPECT_EQ(written, 0); |
| EXPECT_EQ(test_val, 0); |
| ASSERT_STREQ(buff, ""); |
| |
| test_val = 0x100; |
| written = LIBC_NAMESPACE::sprintf(buff, "ABC%hhnDEF", &test_val); |
| EXPECT_EQ(written, 6); |
| EXPECT_EQ(test_val, 0x103); |
| ASSERT_STREQ(buff, "ABCDEF"); |
| |
| test_val = -1; |
| written = LIBC_NAMESPACE::sprintf(buff, "%s%n", "87654321", &test_val); |
| EXPECT_EQ(written, 8); |
| EXPECT_EQ(test_val, 8); |
| ASSERT_STREQ(buff, "87654321"); |
| |
| #ifndef LIBC_COPT_PRINTF_NO_NULLPTR_CHECKS |
| written = LIBC_NAMESPACE::sprintf(buff, "abc123%n", nullptr); |
| EXPECT_LT(written, 0); |
| #endif // LIBC_COPT_PRINTF_NO_NULLPTR_CHECKS |
| } |
| #endif // LIBC_COPT_PRINTF_DISABLE_WRITE_INT |
| |
| #ifndef LIBC_COPT_PRINTF_DISABLE_INDEX_MODE |
| TEST(LlvmLibcSPrintfTest, IndexModeParsing) { |
| char buff[64]; |
| int written; |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%1$s", "abcDEF123"); |
| EXPECT_EQ(written, 9); |
| ASSERT_STREQ(buff, "abcDEF123"); |
| |
| written = LIBC_NAMESPACE::sprintf(buff, "%1$s %%", "abcDEF123"); |
| EXPECT_EQ(written, 11); |
| ASSERT_STREQ(buff, "abcDEF123 %"); |
| |
| written = |
| LIBC_NAMESPACE::sprintf(buff, "%3$s %1$s %2$s", "is", "hard", "ordering"); |
| EXPECT_EQ(written, 16); |
| ASSERT_STREQ(buff, "ordering is hard"); |
| |
| written = LIBC_NAMESPACE::sprintf( |
| buff, "%10$s %9$s %8$c %7$s %6$s, %6$s %5$s %4$-*1$s %3$.*11$s %2$s. %%", |
| 6, "pain", "alphabetical", "such", "is", "this", "do", 'u', "would", |
| "why", 1); |
| EXPECT_EQ(written, 45); |
| ASSERT_STREQ(buff, "why would u do this, this is such a pain. %"); |
| } |
| #endif // LIBC_COPT_PRINTF_DISABLE_INDEX_MODE |
