зеркало из https://github.com/mozilla/gecko-dev.git
129 строки
5.4 KiB
C++
129 строки
5.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is XPCOM TimeStamp tests.
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*
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* The Initial Developer of the Original Code is Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2009
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* robert@ocallahan.org
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "mozilla/TimeStamp.h"
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#include "TestHarness.h"
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#include "prinrval.h"
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#include "prthread.h"
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using mozilla::TimeStamp;
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using mozilla::TimeDuration;
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static void Assert(PRBool aCond, const char* aMsg)
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{
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if (aCond) {
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passed(aMsg);
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} else {
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fail("%s", aMsg);
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}
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}
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int main(int argc, char** argv)
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{
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ScopedXPCOM xpcom("nsTimeStamp");
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if (xpcom.failed())
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return 1;
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TimeDuration td;
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Assert(td.ToSeconds() == 0.0, "TimeDuration default value 0");
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Assert(TimeDuration::FromSeconds(5).ToSeconds() == 5.0,
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"TimeDuration FromSeconds/ToSeconds round-trip");
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Assert(TimeDuration::FromMilliseconds(5000).ToSeconds() == 5.0,
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"TimeDuration FromMilliseconds/ToSeconds round-trip");
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Assert(TimeDuration::FromSeconds(1) < TimeDuration::FromSeconds(2),
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"TimeDuration < operator works");
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Assert(!(TimeDuration::FromSeconds(1) < TimeDuration::FromSeconds(1)),
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"TimeDuration < operator works");
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Assert(TimeDuration::FromSeconds(2) > TimeDuration::FromSeconds(1),
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"TimeDuration > operator works");
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Assert(!(TimeDuration::FromSeconds(1) > TimeDuration::FromSeconds(1)),
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"TimeDuration > operator works");
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Assert(TimeDuration::FromSeconds(1) <= TimeDuration::FromSeconds(2),
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"TimeDuration <= operator works");
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Assert(TimeDuration::FromSeconds(1) <= TimeDuration::FromSeconds(1),
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"TimeDuration <= operator works");
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Assert(!(TimeDuration::FromSeconds(2) <= TimeDuration::FromSeconds(1)),
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"TimeDuration <= operator works");
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Assert(TimeDuration::FromSeconds(2) >= TimeDuration::FromSeconds(1),
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"TimeDuration >= operator works");
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Assert(TimeDuration::FromSeconds(1) >= TimeDuration::FromSeconds(1),
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"TimeDuration >= operator works");
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Assert(!(TimeDuration::FromSeconds(1) >= TimeDuration::FromSeconds(2)),
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"TimeDuration >= operator works");
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TimeStamp ts;
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Assert(ts.IsNull(), "Default TimeStamp value null");
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ts = TimeStamp::Now();
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Assert(!ts.IsNull(), "TimeStamp time value non-null");
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Assert((ts - ts).ToSeconds() == 0.0, "TimeStamp zero-length duration");
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PR_Sleep(PR_SecondsToInterval(2));
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TimeStamp ts2(TimeStamp::Now());
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Assert(ts2 > ts, "TimeStamp > comparison");
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Assert(!(ts > ts), "TimeStamp > comparison");
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Assert(ts < ts2, "TimeStamp < comparison");
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Assert(!(ts < ts), "TimeStamp < comparison");
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Assert(ts <= ts2, "TimeStamp <= comparison");
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Assert(ts <= ts, "TimeStamp <= comparison");
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Assert(!(ts2 <= ts), "TimeStamp <= comparison");
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Assert(ts2 >= ts, "TimeStamp >= comparison");
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Assert(ts2 >= ts, "TimeStamp >= comparison");
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Assert(!(ts >= ts2), "TimeStamp >= comparison");
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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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Assert(td.ToSeconds() > 1.0, "TimeStamp difference lower bound");
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Assert(td.ToSeconds() < 20.0, "TimeStamp difference upper bound");
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td = ts - ts2;
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Assert(td.ToSeconds() < -1.0, "TimeStamp negative difference lower bound");
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Assert(td.ToSeconds() > -20.0, "TimeStamp negative difference upper bound");
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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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Assert(0.000000001 < resolution, "Time resolution is sane");
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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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return gFailCount > 0;
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}
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