52 lines
1.2 KiB
C++
52 lines
1.2 KiB
C++
#include "app/system.h"
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#include "app/system_linux.h"
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#include <gtest/gtest.h>
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TEST(SystemLinuxTest, TimeStampDiff)
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{
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const long long SEC = 1000000000;
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SystemTimeStamp before, after;
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before.clockTime.tv_sec = 1;
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before.clockTime.tv_nsec = 100;
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after.clockTime.tv_sec = 1;
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after.clockTime.tv_nsec = 900;
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long long tDiff = TimeStampExactDiff_Linux(&before, &after);
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EXPECT_EQ( 800, tDiff);
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tDiff = TimeStampExactDiff_Linux(&after, &before);
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EXPECT_EQ(-800, tDiff);
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// -------
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before.clockTime.tv_sec = 2;
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before.clockTime.tv_nsec = 200;
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after.clockTime.tv_sec = 3;
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after.clockTime.tv_nsec = 500;
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tDiff = TimeStampExactDiff_Linux(&before, &after);
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EXPECT_EQ( SEC + 300, tDiff);
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tDiff = TimeStampExactDiff_Linux(&after, &before);
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EXPECT_EQ(-SEC - 300, tDiff);
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// -------
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before.clockTime.tv_sec = 3;
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before.clockTime.tv_nsec = 200;
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after.clockTime.tv_sec = 4;
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after.clockTime.tv_nsec = 100;
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tDiff = TimeStampExactDiff_Linux(&before, &after);
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EXPECT_EQ( SEC - 100, tDiff);
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tDiff = TimeStampExactDiff_Linux(&after, &before);
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EXPECT_EQ(-SEC + 100, tDiff);
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}
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