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/errno/libc_errno.h"
10 #include "src/time/ctime.h"
11 #include "test/UnitTest/Test.h"
12 #include "test/src/time/TmHelper.h"
13
TEST(LlvmLibcCtime,NULL)14 TEST(LlvmLibcCtime, NULL) {
15 char *result;
16 result = LIBC_NAMESPACE::ctime(NULL);
17 ASSERT_STREQ(NULL, result);
18 }
19
TEST(LlvmLibcCtime,ValidUnixTimestamp0)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
TEST(LlvmLibcCtime,ValidUnixTimestamp32Int)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
TEST(LlvmLibcCtime,InvalidArgument)36 TEST(LlvmLibcCtime, InvalidArgument) {
37 time_t t;
38 char *result;
39 t = 2147483648;
40 result = LIBC_NAMESPACE::ctime(&t);
41 ASSERT_STREQ(NULL, result);
42 }
43