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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/TimeStamp.h"
#include "prinrval.h"
#include "prthread.h"
#include "gtest/gtest.h"
using mozilla::TimeStamp;
using mozilla::TimeDuration;
TEST(TimeStamp, Main)
{
TimeDuration td;
EXPECT_TRUE(td.ToSeconds() == 0.0);
EXPECT_TRUE(TimeDuration::FromSeconds(5).ToSeconds() == 5.0);
EXPECT_TRUE(TimeDuration::FromMilliseconds(5000).ToSeconds() == 5.0);
EXPECT_TRUE(TimeDuration::FromSeconds(1) < TimeDuration::FromSeconds(2));
EXPECT_FALSE(TimeDuration::FromSeconds(1) < TimeDuration::FromSeconds(1));
EXPECT_TRUE(TimeDuration::FromSeconds(2) > TimeDuration::FromSeconds(1));
EXPECT_FALSE(TimeDuration::FromSeconds(1) > TimeDuration::FromSeconds(1));
EXPECT_TRUE(TimeDuration::FromSeconds(1) <= TimeDuration::FromSeconds(2));
EXPECT_TRUE(TimeDuration::FromSeconds(1) <= TimeDuration::FromSeconds(1));
EXPECT_FALSE(TimeDuration::FromSeconds(2) <= TimeDuration::FromSeconds(1));
EXPECT_TRUE(TimeDuration::FromSeconds(2) >= TimeDuration::FromSeconds(1));
EXPECT_TRUE(TimeDuration::FromSeconds(1) >= TimeDuration::FromSeconds(1));
EXPECT_FALSE(TimeDuration::FromSeconds(1) >= TimeDuration::FromSeconds(2));
TimeStamp ts;
EXPECT_TRUE(ts.IsNull());
ts = TimeStamp::Now();
EXPECT_TRUE(!ts.IsNull());
EXPECT_TRUE((ts - ts).ToSeconds() == 0.0);
PR_Sleep(PR_SecondsToInterval(2));
TimeStamp ts2(TimeStamp::Now());
EXPECT_TRUE(ts2 > ts);
EXPECT_FALSE(ts > ts);
EXPECT_TRUE(ts < ts2);
EXPECT_FALSE(ts < ts);
EXPECT_TRUE(ts <= ts2);
EXPECT_TRUE(ts <= ts);
EXPECT_FALSE(ts2 <= ts);
EXPECT_TRUE(ts2 >= ts);
EXPECT_TRUE(ts2 >= ts);
EXPECT_FALSE(ts >= ts2);
// We can't be sure exactly how long PR_Sleep slept for. It should have
// slept for at least one second. We might have slept a lot longer due
// to process scheduling, but hopefully not more than 10 seconds.
td = ts2 - ts;
EXPECT_TRUE(td.ToSeconds() > 1.0);
EXPECT_TRUE(td.ToSeconds() < 20.0);
td = ts - ts2;
EXPECT_TRUE(td.ToSeconds() < -1.0);
EXPECT_TRUE(td.ToSeconds() > -20.0);
double resolution = TimeDuration::Resolution().ToSecondsSigDigits();
printf(" (platform timer resolution is ~%g s)\n", resolution);
EXPECT_TRUE(1e-10 < resolution);
// Don't upper-bound sanity check ... although NSPR reports 1ms
// resolution, it might be lying, so we shouldn't compare with it
}
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