1 | //===-- Unittests for asctime_r -------------------------------------------===// |
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/asctime_r.h" |
11 | #include "src/time/time_constants.h" |
12 | #include "test/UnitTest/Test.h" |
13 | #include "test/src/time/TmHelper.h" |
14 | |
15 | static inline char *call_asctime_r(struct tm *tm_data, int year, int month, |
16 | int mday, int hour, int min, int sec, |
17 | int wday, int yday, char *buffer) { |
18 | LIBC_NAMESPACE::tmhelper::testing::initialize_tm_data( |
19 | tm_data, year, month, mday, hour, min, sec, wday, yday); |
20 | return LIBC_NAMESPACE::asctime_r(tm_data, buffer); |
21 | } |
22 | |
23 | // asctime and asctime_r share the same code and thus didn't repeat all the |
24 | // tests from asctime. Added couple of validation tests. |
25 | TEST(LlvmLibcAsctimeR, Nullptr) { |
26 | char *result; |
27 | result = LIBC_NAMESPACE::asctime_r(nullptr, nullptr); |
28 | ASSERT_ERRNO_EQ(EINVAL); |
29 | ASSERT_STREQ(nullptr, result); |
30 | |
31 | char buffer[LIBC_NAMESPACE::time_constants::ASCTIME_BUFFER_SIZE]; |
32 | result = LIBC_NAMESPACE::asctime_r(nullptr, buffer); |
33 | ASSERT_ERRNO_EQ(EINVAL); |
34 | ASSERT_STREQ(nullptr, result); |
35 | |
36 | struct tm tm_data; |
37 | result = LIBC_NAMESPACE::asctime_r(&tm_data, nullptr); |
38 | ASSERT_ERRNO_EQ(EINVAL); |
39 | ASSERT_STREQ(nullptr, result); |
40 | } |
41 | |
42 | TEST(LlvmLibcAsctimeR, ValidDate) { |
43 | char buffer[LIBC_NAMESPACE::time_constants::ASCTIME_BUFFER_SIZE]; |
44 | struct tm tm_data; |
45 | char *result; |
46 | // 1970-01-01 00:00:00. Test with a valid buffer size. |
47 | result = call_asctime_r(&tm_data, |
48 | 1970, // year |
49 | 1, // month |
50 | 1, // day |
51 | 0, // hr |
52 | 0, // min |
53 | 0, // sec |
54 | 4, // wday |
55 | 0, // yday |
56 | buffer); |
57 | ASSERT_STREQ("Thu Jan 1 00:00:00 1970\n" , result); |
58 | } |
59 | |