blob: 869ee4baa6a214bec81905ac84dbce0299130e63 [file] [log] [blame]
/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <sys/cdefs.h>
#include <features.h>
#include <gtest/gtest.h>
#include <time.h>
#if defined(__BIONIC__) // mktime_tz is a bionic extension.
#include <libc/private/bionic_time.h>
#endif // __BIONIC__
TEST(time, mktime_tz) {
#if defined(__BIONIC__)
struct tm epoch;
memset(&epoch, 0, sizeof(tm));
epoch.tm_year = 1970 - 1900;
epoch.tm_mon = 1;
epoch.tm_mday = 1;
// Alphabetically first. Coincidentally equivalent to UTC.
ASSERT_EQ(2678400, mktime_tz(&epoch, "Africa/Abidjan"));
// Alphabetically last. Coincidentally equivalent to UTC.
ASSERT_EQ(2678400, mktime_tz(&epoch, "Zulu"));
// Somewhere in the middle, not UTC.
ASSERT_EQ(2707200, mktime_tz(&epoch, "America/Los_Angeles"));
// Missing. Falls back to UTC.
ASSERT_EQ(2678400, mktime_tz(&epoch, "PST"));
#else // __BIONIC__
GTEST_LOG_(INFO) << "This test does nothing.\n";
#endif // __BIONIC__
}
TEST(time, gmtime) {
time_t t = 0;
tm* broken_down = gmtime(&t);
ASSERT_TRUE(broken_down != NULL);
ASSERT_EQ(0, broken_down->tm_sec);
ASSERT_EQ(0, broken_down->tm_min);
ASSERT_EQ(0, broken_down->tm_hour);
ASSERT_EQ(1, broken_down->tm_mday);
ASSERT_EQ(0, broken_down->tm_mon);
ASSERT_EQ(1970, broken_down->tm_year + 1900);
}
TEST(time, mktime_10310929) {
struct tm t;
memset(&t, 0, sizeof(tm));
t.tm_year = 200;
t.tm_mon = 2;
t.tm_mday = 10;
#if !defined(__LP64__)
// 32-bit bionic stupidly had a signed 32-bit time_t.
ASSERT_EQ(-1, mktime(&t));
#if defined(__BIONIC__)
ASSERT_EQ(-1, mktime_tz(&t, "UTC"));
#endif
#else
// Everyone else should be using a signed 64-bit time_t.
ASSERT_GE(sizeof(time_t) * 8, 64U);
setenv("TZ", "America/Los_Angeles", 1);
tzset();
ASSERT_EQ(static_cast<time_t>(4108348800U), mktime(&t));
#if defined(__BIONIC__)
ASSERT_EQ(static_cast<time_t>(4108320000U), mktime_tz(&t, "UTC"));
#endif
setenv("TZ", "UTC", 1);
tzset();
ASSERT_EQ(static_cast<time_t>(4108320000U), mktime(&t));
#if defined(__BIONIC__)
ASSERT_EQ(static_cast<time_t>(4108348800U), mktime_tz(&t, "America/Los_Angeles"));
#endif
#endif
}