| //===-- Unittests for nanf128 ---------------------------------------------===// |
| // |
| // 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/__support/FPUtil/FPBits.h" |
| #include "src/__support/uint128.h" |
| #include "src/math/nanf128.h" |
| #include "test/UnitTest/FEnvSafeTest.h" |
| #include "test/UnitTest/FPMatcher.h" |
| #include "test/UnitTest/Test.h" |
| |
| class LlvmLibcNanf128Test : public LIBC_NAMESPACE::testing::FEnvSafeTest { |
| public: |
| using FPBits128 = LIBC_NAMESPACE::fputil::FPBits<float128>; |
| using StorageType = FPBits128::StorageType; |
| |
| const UInt128 QUIET_NAN = FPBits128::quiet_nan().uintval(); |
| const UInt128 ONE = UInt128(1); |
| |
| void run_test(const char *input_str, StorageType bits) { |
| float128 result = LIBC_NAMESPACE::nanf128(input_str); |
| auto actual_fp = FPBits128(result); |
| auto expected_fp = FPBits128(bits); |
| EXPECT_EQ(actual_fp.uintval(), expected_fp.uintval()); |
| }; |
| }; |
| |
| TEST_F(LlvmLibcNanf128Test, NCharSeq) { |
| run_test("", QUIET_NAN); |
| run_test("1234", QUIET_NAN | 1234); |
| run_test("0x1234", QUIET_NAN | 0x1234); |
| run_test("2417851639229258349412352", QUIET_NAN | (ONE << 81)); |
| run_test("0x200000000000000000000", QUIET_NAN | (ONE << 81)); |
| run_test("10384593717069655257060992658440191", |
| QUIET_NAN | FPBits128::SIG_MASK); |
| run_test("0x1ffffffffffffffffffffffffffff", QUIET_NAN | FPBits128::SIG_MASK); |
| run_test("10384593717069655257060992658440192", QUIET_NAN); |
| run_test("0x20000000000000000000000000000", QUIET_NAN); |
| run_test("1a", QUIET_NAN); |
| run_test("10000000000000000000000000000000000000000000000000", QUIET_NAN); |
| } |
| |
| TEST_F(LlvmLibcNanf128Test, RandomString) { |
| run_test(" 1234", QUIET_NAN); |
| run_test("-1234", QUIET_NAN); |
| run_test("asd&f", QUIET_NAN); |
| run_test("123 ", QUIET_NAN); |
| run_test("1234567890qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM_", |
| QUIET_NAN); |
| } |
| |
| #ifndef LIBC_HAVE_ADDRESS_SANITIZER |
| #include <signal.h> |
| TEST_F(LlvmLibcNanf128Test, InvalidInput) { |
| EXPECT_DEATH([] { LIBC_NAMESPACE::nanf128(nullptr); }, WITH_SIGNAL(SIGSEGV)); |
| } |
| #endif // LIBC_HAVE_ADDRESS_SANITIZER |