platform_bionic/tests/time_test.cpp
Elliott Hughes 7843d44a59 Work around tzcode's reliance on signed overflow.
I've mailed the tz list about this, and will switch to whatever upstream
fix comes along as soon as it's available.

Bug: 10310929
Change-Id: I36bf3fcf11f5ac9b88137597bac3487a7bb81b0f
2013-08-22 12:21:18 -07:00

69 lines
1.9 KiB
C++

/*
* 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>
#ifdef __BIONIC__ // mktime_tz is a bionic extension.
#include <libc/private/bionic_time.h>
TEST(time, mktime_tz) {
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"));
}
#endif
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);
}
#ifdef __BIONIC__
TEST(time, mktime_10310929) {
struct tm t;
memset(&t, 0, sizeof(tm));
t.tm_year = 200;
t.tm_mon = 2;
t.tm_mday = 10;
ASSERT_EQ(-1, mktime(&t));
ASSERT_EQ(-1, mktime_tz(&t, "UTC"));
}
#endif