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1ac680d086
--HG-- rename : xpcom/tests/TestTimeStamp.cpp => xpcom/tests/gtest/TestTimeStamp.cpp extra : rebase_source : d6f92fb8be26504164a1b54bd40811f6f1c3cc3a extra : source : 67496f44f4617eda8f650d5c801fd9b327e5ac96
70 lines
2.6 KiB
C++
70 lines
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/TimeStamp.h"
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#include "prinrval.h"
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#include "prthread.h"
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#include "gtest/gtest.h"
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using mozilla::TimeStamp;
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using mozilla::TimeDuration;
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TEST(TimeStamp, Main)
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{
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TimeDuration td;
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EXPECT_TRUE(td.ToSeconds() == 0.0);
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EXPECT_TRUE(TimeDuration::FromSeconds(5).ToSeconds() == 5.0);
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EXPECT_TRUE(TimeDuration::FromMilliseconds(5000).ToSeconds() == 5.0);
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EXPECT_TRUE(TimeDuration::FromSeconds(1) < TimeDuration::FromSeconds(2));
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EXPECT_FALSE(TimeDuration::FromSeconds(1) < TimeDuration::FromSeconds(1));
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EXPECT_TRUE(TimeDuration::FromSeconds(2) > TimeDuration::FromSeconds(1));
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EXPECT_FALSE(TimeDuration::FromSeconds(1) > TimeDuration::FromSeconds(1));
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EXPECT_TRUE(TimeDuration::FromSeconds(1) <= TimeDuration::FromSeconds(2));
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EXPECT_TRUE(TimeDuration::FromSeconds(1) <= TimeDuration::FromSeconds(1));
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EXPECT_FALSE(TimeDuration::FromSeconds(2) <= TimeDuration::FromSeconds(1));
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EXPECT_TRUE(TimeDuration::FromSeconds(2) >= TimeDuration::FromSeconds(1));
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EXPECT_TRUE(TimeDuration::FromSeconds(1) >= TimeDuration::FromSeconds(1));
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EXPECT_FALSE(TimeDuration::FromSeconds(1) >= TimeDuration::FromSeconds(2));
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TimeStamp ts;
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EXPECT_TRUE(ts.IsNull());
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ts = TimeStamp::Now();
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EXPECT_TRUE(!ts.IsNull());
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EXPECT_TRUE((ts - ts).ToSeconds() == 0.0);
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PR_Sleep(PR_SecondsToInterval(2));
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TimeStamp ts2(TimeStamp::Now());
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EXPECT_TRUE(ts2 > ts);
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EXPECT_FALSE(ts > ts);
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EXPECT_TRUE(ts < ts2);
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EXPECT_FALSE(ts < ts);
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EXPECT_TRUE(ts <= ts2);
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EXPECT_TRUE(ts <= ts);
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EXPECT_FALSE(ts2 <= ts);
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EXPECT_TRUE(ts2 >= ts);
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EXPECT_TRUE(ts2 >= ts);
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EXPECT_FALSE(ts >= ts2);
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// We can't be sure exactly how long PR_Sleep slept for. It should have
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// slept for at least one second. We might have slept a lot longer due
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// to process scheduling, but hopefully not more than 10 seconds.
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td = ts2 - ts;
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EXPECT_TRUE(td.ToSeconds() > 1.0);
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EXPECT_TRUE(td.ToSeconds() < 20.0);
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td = ts - ts2;
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EXPECT_TRUE(td.ToSeconds() < -1.0);
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EXPECT_TRUE(td.ToSeconds() > -20.0);
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double resolution = TimeDuration::Resolution().ToSecondsSigDigits();
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printf(" (platform timer resolution is ~%g s)\n", resolution);
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EXPECT_TRUE(1e-10 < resolution);
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// Don't upper-bound sanity check ... although NSPR reports 1ms
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// resolution, it might be lying, so we shouldn't compare with it
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}
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