| //===-- Unittests for atoll -----------------------------------------------===// |
| // |
| // 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/stdlib/atoll.h" |
| |
| #include "utils/UnitTest/Test.h" |
| |
| #include <limits.h> |
| |
| TEST(LlvmLibcAToLLTest, ValidNumbers) { |
| const char *zero = "0"; |
| ASSERT_EQ(__llvm_libc::atoll(zero), 0ll); |
| |
| const char *ten = "10"; |
| ASSERT_EQ(__llvm_libc::atoll(ten), 10ll); |
| |
| const char *negative_hundred = "-100"; |
| ASSERT_EQ(__llvm_libc::atoll(negative_hundred), -100ll); |
| |
| const char *positive_thousand = "+1000"; |
| ASSERT_EQ(__llvm_libc::atoll(positive_thousand), 1000ll); |
| |
| const char *spaces_before = " 12345"; |
| ASSERT_EQ(__llvm_libc::atoll(spaces_before), 12345ll); |
| |
| const char *tabs_before = "\t\t\t\t67890"; |
| ASSERT_EQ(__llvm_libc::atoll(tabs_before), 67890ll); |
| |
| const char *letters_after = "123abc"; |
| ASSERT_EQ(__llvm_libc::atoll(letters_after), 123ll); |
| |
| const char *letters_between = "456def789"; |
| ASSERT_EQ(__llvm_libc::atoll(letters_between), 456ll); |
| |
| const char *all_together = "\t 110 times 5 = 550"; |
| ASSERT_EQ(__llvm_libc::atoll(all_together), 110ll); |
| |
| const char *biggest_long_long = "9223372036854775807"; |
| ASSERT_EQ(__llvm_libc::atoll(biggest_long_long), LLONG_MAX); |
| |
| const char *smallest_long_long = "-9223372036854775808"; |
| ASSERT_EQ(__llvm_libc::atoll(smallest_long_long), LLONG_MIN); |
| } |
| |
| TEST(LlvmLibcAToLLTest, NonBaseTenWholeNumbers) { |
| const char *hexadecimal = "0x10"; |
| ASSERT_EQ(__llvm_libc::atoll(hexadecimal), 0ll); |
| |
| const char *octal = "010"; |
| ASSERT_EQ(__llvm_libc::atoll(octal), 10ll); |
| |
| const char *decimal_point = "5.9"; |
| ASSERT_EQ(__llvm_libc::atoll(decimal_point), 5ll); |
| } |
| |
| TEST(LlvmLibcAToLLTest, NotNumbers) { |
| const char *ten_as_word = "ten"; |
| ASSERT_EQ(__llvm_libc::atoll(ten_as_word), 0ll); |
| |
| const char *lots_of_letters = |
| "wtragsdhfgjykutjdyfhgnchgmjhkyurktfgjhlu;po7urtdjyfhgklyk"; |
| ASSERT_EQ(__llvm_libc::atoll(lots_of_letters), 0ll); |
| } |