//===-- Unittests for asctime_r -------------------------------------------===//
//
// 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/errno/libc_errno.h"
#include "src/time/asctime_r.h"
#include "src/time/time_utils.h"
#include "test/UnitTest/Test.h"
#include "test/src/time/TmHelper.h"
using LIBC_NAMESPACE::time_utils::TimeConstants;
static inline char *call_asctime_r(struct tm *tm_data, int year, int month,
int mday, int hour, int min, int sec,
int wday, int yday, char *buffer) {
LIBC_NAMESPACE::tmhelper::testing::initialize_tm_data(
tm_data, year, month, mday, hour, min, sec, wday, yday);
return LIBC_NAMESPACE::asctime_r(tm_data, buffer);
}
// asctime and asctime_r share the same code and thus didn't repeat all the
// tests from asctime. Added couple of validation tests.
TEST(LlvmLibcAsctimeR, Nullptr) {
char *result;
result = LIBC_NAMESPACE::asctime_r(nullptr, nullptr);
ASSERT_ERRNO_EQ(EINVAL);
ASSERT_STREQ(nullptr, result);
char buffer[TimeConstants::ASCTIME_BUFFER_SIZE];
result = LIBC_NAMESPACE::asctime_r(nullptr, buffer);
ASSERT_ERRNO_EQ(EINVAL);
ASSERT_STREQ(nullptr, result);
struct tm tm_data;
result = LIBC_NAMESPACE::asctime_r(&tm_data, nullptr);
ASSERT_ERRNO_EQ(EINVAL);
ASSERT_STREQ(nullptr, result);
}
TEST(LlvmLibcAsctimeR, ValidDate) {
char buffer[TimeConstants::ASCTIME_BUFFER_SIZE];
struct tm tm_data;
char *result;
// 1970-01-01 00:00:00. Test with a valid buffer size.
result = call_asctime_r(&tm_data,
1970, // year
1, // month
1, // day
0, // hr
0, // min
0, // sec
4, // wday
0, // yday
buffer);
ASSERT_STREQ("Thu Jan 1 00:00:00 1970\n", result);
}