86 lines
2.4 KiB
C++
86 lines
2.4 KiB
C++
/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <sys/cdefs.h>
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#include <features.h>
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#include <gtest/gtest.h>
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#include <time.h>
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#ifdef __BIONIC__ // mktime_tz is a bionic extension.
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#include <libc/private/bionic_time.h>
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TEST(time, mktime_tz) {
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struct tm epoch;
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memset(&epoch, 0, sizeof(tm));
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epoch.tm_year = 1970 - 1900;
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epoch.tm_mon = 1;
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epoch.tm_mday = 1;
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// Alphabetically first. Coincidentally equivalent to UTC.
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ASSERT_EQ(2678400, mktime_tz(&epoch, "Africa/Abidjan"));
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// Alphabetically last. Coincidentally equivalent to UTC.
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ASSERT_EQ(2678400, mktime_tz(&epoch, "Zulu"));
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// Somewhere in the middle, not UTC.
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ASSERT_EQ(2707200, mktime_tz(&epoch, "America/Los_Angeles"));
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// Missing. Falls back to UTC.
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ASSERT_EQ(2678400, mktime_tz(&epoch, "PST"));
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}
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#endif
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TEST(time, gmtime) {
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time_t t = 0;
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tm* broken_down = gmtime(&t);
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ASSERT_TRUE(broken_down != NULL);
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ASSERT_EQ(0, broken_down->tm_sec);
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ASSERT_EQ(0, broken_down->tm_min);
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ASSERT_EQ(0, broken_down->tm_hour);
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ASSERT_EQ(1, broken_down->tm_mday);
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ASSERT_EQ(0, broken_down->tm_mon);
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ASSERT_EQ(1970, broken_down->tm_year + 1900);
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}
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#if __BIONIC__
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TEST(time, mktime_10310929) {
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struct tm t;
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memset(&t, 0, sizeof(tm));
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t.tm_year = 200;
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t.tm_mon = 2;
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t.tm_mday = 10;
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#if !defined(__LP64__)
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// 32-bit bionic stupidly had a signed 32-bit time_t.
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ASSERT_EQ(-1, mktime(&t));
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ASSERT_EQ(-1, mktime_tz(&t, "UTC"));
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#else
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// Everyone else should be using a signed 64-bit time_t.
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ASSERT_GE(sizeof(time_t) * 8, 64U);
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setenv("TZ", "America/Los_Angeles", 1);
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tzset();
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ASSERT_EQ(static_cast<time_t>(4108348800U), mktime(&t));
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ASSERT_EQ(static_cast<time_t>(4108320000U), mktime_tz(&t, "UTC"));
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setenv("TZ", "UTC", 1);
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tzset();
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ASSERT_EQ(static_cast<time_t>(4108320000U), mktime(&t));
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ASSERT_EQ(static_cast<time_t>(4108348800U), mktime_tz(&t, "America/Los_Angeles"));
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#endif
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}
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#endif
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