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 | |