70 lines
1.8 KiB
C++
70 lines
1.8 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 <gtest/gtest.h>
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#include <errno.h>
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#include <sys/syscall.h>
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#include <sys/time.h>
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#include "TemporaryFile.h"
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TEST(sys_time, utimes) {
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timeval tv[2];
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memset(&tv, 0, sizeof(tv));
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tv[0].tv_usec = -123;
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ASSERT_EQ(-1, utimes("/", tv));
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ASSERT_EQ(EINVAL, errno);
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tv[0].tv_usec = 1234567;
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ASSERT_EQ(-1, utimes("/", tv));
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ASSERT_EQ(EINVAL, errno);
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tv[0].tv_usec = 0;
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tv[1].tv_usec = -123;
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ASSERT_EQ(-1, utimes("/", tv));
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ASSERT_EQ(EINVAL, errno);
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tv[1].tv_usec = 1234567;
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ASSERT_EQ(-1, utimes("/", tv));
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ASSERT_EQ(EINVAL, errno);
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}
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// http://b/11383777
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TEST(sys_time, utimes_NULL) {
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TemporaryFile tf;
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ASSERT_EQ(0, utimes(tf.filename, NULL));
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}
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TEST(sys_time, gettimeofday) {
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// Try to ensure that our vdso gettimeofday is working.
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timeval tv1;
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ASSERT_EQ(0, gettimeofday(&tv1, NULL));
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timeval tv2;
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ASSERT_EQ(0, syscall(__NR_gettimeofday, &tv2, NULL));
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// What's the difference between the two?
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tv2.tv_sec -= tv1.tv_sec;
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tv2.tv_usec -= tv1.tv_usec;
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if (tv2.tv_usec < 0) {
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--tv2.tv_sec;
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tv2.tv_usec += 1000000;
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}
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// Should be less than (a very generous, to try to avoid flakiness) 1000us.
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ASSERT_EQ(0, tv2.tv_sec);
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ASSERT_LT(tv2.tv_usec, 1000);
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}
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