| 1 | //===-- Unittests for ctime -----------------------------------------------===// |
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #include "src/__support/libc_errno.h" |
| 10 | #include "src/time/ctime.h" |
| 11 | #include "test/UnitTest/Test.h" |
| 12 | #include "test/src/time/TmHelper.h" |
| 13 | |
| 14 | TEST(LlvmLibcCtime, nullptr) { |
| 15 | char *result; |
| 16 | result = LIBC_NAMESPACE::ctime(nullptr); |
| 17 | ASSERT_STREQ(nullptr, result); |
| 18 | } |
| 19 | |
| 20 | TEST(LlvmLibcCtime, ValidUnixTimestamp0) { |
| 21 | time_t t; |
| 22 | char *result; |
| 23 | t = 0; |
| 24 | result = LIBC_NAMESPACE::ctime(&t); |
| 25 | ASSERT_STREQ("Thu Jan 1 00:00:00 1970\n" , result); |
| 26 | } |
| 27 | |
| 28 | TEST(LlvmLibcCtime, ValidUnixTimestamp32Int) { |
| 29 | time_t t; |
| 30 | char *result; |
| 31 | t = 2147483647; |
| 32 | result = LIBC_NAMESPACE::ctime(&t); |
| 33 | ASSERT_STREQ("Tue Jan 19 03:14:07 2038\n" , result); |
| 34 | } |
| 35 | |
| 36 | TEST(LlvmLibcCtime, InvalidArgument) { |
| 37 | time_t t; |
| 38 | char *result; |
| 39 | t = 2147483648; |
| 40 | result = LIBC_NAMESPACE::ctime(&t); |
| 41 | ASSERT_STREQ(nullptr, result); |
| 42 | } |
| 43 | |