mozilla-central/mozglue/tests/TestBaseProfiler.cpp (file symbol)

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 "BaseProfiler.h"
#include "mozilla/Attributes.h"
#include "mozilla/BaseAndGeckoProfilerDetail.h"
#include "mozilla/BaseProfileJSONWriter.h"
#include "mozilla/BaseProfilerDetail.h"
#include "mozilla/FailureLatch.h"
#include "mozilla/FloatingPoint.h"
#include "mozilla/NotNull.h"
#include "mozilla/ProgressLogger.h"
#include "mozilla/ProportionValue.h"
#ifdef MOZ_GECKO_PROFILER
# include "mozilla/BaseProfilerMarkerTypes.h"
# include "mozilla/leb128iterator.h"
# include "mozilla/ModuloBuffer.h"
# include "mozilla/mozalloc.h"
# include "mozilla/PowerOfTwo.h"
# include "mozilla/ProfileBufferChunk.h"
# include "mozilla/ProfileBufferChunkManagerSingle.h"
# include "mozilla/ProfileBufferChunkManagerWithLocalLimit.h"
# include "mozilla/ProfileBufferControlledChunkManager.h"
# include "mozilla/ProfileChunkedBuffer.h"
# include "mozilla/Vector.h"
#endif // MOZ_GECKO_PROFILER
#if defined(_MSC_VER) || defined(__MINGW32__)
# include <windows.h>
# include <mmsystem.h>
# include <process.h>
#else
# include <errno.h>
# include <time.h>
#endif
#include <algorithm>
#include <atomic>
#include <iostream>
#include <random>
#include <thread>
#include <type_traits>
#include <utility>
void TestFailureLatch() {
printf("TestFailureLatch...\n");
// Test infallible latch.
{
mozilla::FailureLatchInfallibleSource& infallibleLatch =
mozilla::FailureLatchInfallibleSource::Singleton();
MOZ_RELEASE_ASSERT(!infallibleLatch.Fallible());
MOZ_RELEASE_ASSERT(!infallibleLatch.Failed());
MOZ_RELEASE_ASSERT(!infallibleLatch.GetFailure());
MOZ_RELEASE_ASSERT(&infallibleLatch.SourceFailureLatch() ==
&mozilla::FailureLatchInfallibleSource::Singleton());
MOZ_RELEASE_ASSERT(&std::as_const(infallibleLatch).SourceFailureLatch() ==
&mozilla::FailureLatchInfallibleSource::Singleton());
}
// Test failure latch basic functions.
{
mozilla::FailureLatchSource failureLatch;
MOZ_RELEASE_ASSERT(failureLatch.Fallible());
MOZ_RELEASE_ASSERT(!failureLatch.Failed());
MOZ_RELEASE_ASSERT(!failureLatch.GetFailure());
MOZ_RELEASE_ASSERT(&failureLatch.SourceFailureLatch() == &failureLatch);
MOZ_RELEASE_ASSERT(&std::as_const(failureLatch).SourceFailureLatch() ==
&failureLatch);
failureLatch.SetFailure("error");
MOZ_RELEASE_ASSERT(failureLatch.Fallible());
MOZ_RELEASE_ASSERT(failureLatch.Failed());
MOZ_RELEASE_ASSERT(failureLatch.GetFailure());
MOZ_RELEASE_ASSERT(strcmp(failureLatch.GetFailure(), "error") == 0);
failureLatch.SetFailure("later error");
MOZ_RELEASE_ASSERT(failureLatch.Fallible());
MOZ_RELEASE_ASSERT(failureLatch.Failed());
MOZ_RELEASE_ASSERT(failureLatch.GetFailure());
MOZ_RELEASE_ASSERT(strcmp(failureLatch.GetFailure(), "error") == 0);
}
// Test SetFailureFrom.
{
mozilla::FailureLatchSource failureLatch;
MOZ_RELEASE_ASSERT(!failureLatch.Failed());
failureLatch.SetFailureFrom(failureLatch);
MOZ_RELEASE_ASSERT(!failureLatch.Failed());
MOZ_RELEASE_ASSERT(!failureLatch.GetFailure());
// SetFailureFrom with no error.
{
mozilla::FailureLatchSource failureLatchInnerOk;
MOZ_RELEASE_ASSERT(!failureLatchInnerOk.Failed());
MOZ_RELEASE_ASSERT(!failureLatchInnerOk.GetFailure());
MOZ_RELEASE_ASSERT(!failureLatch.Failed());
failureLatch.SetFailureFrom(failureLatchInnerOk);
MOZ_RELEASE_ASSERT(!failureLatch.Failed());
MOZ_RELEASE_ASSERT(!failureLatchInnerOk.Failed());
MOZ_RELEASE_ASSERT(!failureLatchInnerOk.GetFailure());
}
MOZ_RELEASE_ASSERT(!failureLatch.Failed());
MOZ_RELEASE_ASSERT(!failureLatch.GetFailure());
// SetFailureFrom with error.
{
mozilla::FailureLatchSource failureLatchInnerError;
MOZ_RELEASE_ASSERT(!failureLatchInnerError.Failed());
MOZ_RELEASE_ASSERT(!failureLatchInnerError.GetFailure());
failureLatchInnerError.SetFailure("inner error");
MOZ_RELEASE_ASSERT(failureLatchInnerError.Failed());
MOZ_RELEASE_ASSERT(
strcmp(failureLatchInnerError.GetFailure(), "inner error") == 0);
MOZ_RELEASE_ASSERT(!failureLatch.Failed());
failureLatch.SetFailureFrom(failureLatchInnerError);
MOZ_RELEASE_ASSERT(failureLatch.Failed());
MOZ_RELEASE_ASSERT(failureLatchInnerError.Failed());
MOZ_RELEASE_ASSERT(
strcmp(failureLatchInnerError.GetFailure(), "inner error") == 0);
}
MOZ_RELEASE_ASSERT(failureLatch.Failed());
MOZ_RELEASE_ASSERT(strcmp(failureLatch.GetFailure(), "inner error") == 0);
failureLatch.SetFailureFrom(failureLatch);
MOZ_RELEASE_ASSERT(failureLatch.Failed());
MOZ_RELEASE_ASSERT(strcmp(failureLatch.GetFailure(), "inner error") == 0);
// SetFailureFrom with error again, ignored.
{
mozilla::FailureLatchSource failureLatchInnerError;
failureLatchInnerError.SetFailure("later inner error");
MOZ_RELEASE_ASSERT(failureLatchInnerError.Failed());
MOZ_RELEASE_ASSERT(strcmp(failureLatchInnerError.GetFailure(),
"later inner error") == 0);
MOZ_RELEASE_ASSERT(failureLatch.Failed());
failureLatch.SetFailureFrom(failureLatchInnerError);
MOZ_RELEASE_ASSERT(failureLatch.Failed());
MOZ_RELEASE_ASSERT(failureLatchInnerError.Failed());
MOZ_RELEASE_ASSERT(strcmp(failureLatchInnerError.GetFailure(),
"later inner error") == 0);
}
MOZ_RELEASE_ASSERT(failureLatch.Failed());
MOZ_RELEASE_ASSERT(strcmp(failureLatch.GetFailure(), "inner error") == 0);
}
// Test FAILURELATCH_IMPL_PROXY
{
class Proxy final : public mozilla::FailureLatch {
public:
explicit Proxy(mozilla::FailureLatch& aFailureLatch)
: mFailureLatch(WrapNotNull(&aFailureLatch)) {}
void Set(mozilla::FailureLatch& aFailureLatch) {
mFailureLatch = WrapNotNull(&aFailureLatch);
}
FAILURELATCH_IMPL_PROXY(*mFailureLatch)
private:
mozilla::NotNull<mozilla::FailureLatch*> mFailureLatch;
};
Proxy proxy{mozilla::FailureLatchInfallibleSource::Singleton()};
MOZ_RELEASE_ASSERT(!proxy.Fallible());
MOZ_RELEASE_ASSERT(!proxy.Failed());
MOZ_RELEASE_ASSERT(!proxy.GetFailure());
MOZ_RELEASE_ASSERT(&proxy.SourceFailureLatch() ==
&mozilla::FailureLatchInfallibleSource::Singleton());
MOZ_RELEASE_ASSERT(&std::as_const(proxy).SourceFailureLatch() ==
&mozilla::FailureLatchInfallibleSource::Singleton());
// Error from proxy.
{
mozilla::FailureLatchSource failureLatch;
proxy.Set(failureLatch);
MOZ_RELEASE_ASSERT(proxy.Fallible());
MOZ_RELEASE_ASSERT(!proxy.Failed());
MOZ_RELEASE_ASSERT(!proxy.GetFailure());
MOZ_RELEASE_ASSERT(&proxy.SourceFailureLatch() == &failureLatch);
MOZ_RELEASE_ASSERT(&std::as_const(proxy).SourceFailureLatch() ==
&failureLatch);
proxy.SetFailure("error");
MOZ_RELEASE_ASSERT(proxy.Failed());
MOZ_RELEASE_ASSERT(strcmp(proxy.GetFailure(), "error") == 0);
MOZ_RELEASE_ASSERT(failureLatch.Failed());
MOZ_RELEASE_ASSERT(strcmp(failureLatch.GetFailure(), "error") == 0);
// Don't forget to stop pointing at soon-to-be-destroyed object.
proxy.Set(mozilla::FailureLatchInfallibleSource::Singleton());
}
// Error from proxy's origin.
{
mozilla::FailureLatchSource failureLatch;
proxy.Set(failureLatch);
MOZ_RELEASE_ASSERT(proxy.Fallible());
MOZ_RELEASE_ASSERT(!proxy.Failed());
MOZ_RELEASE_ASSERT(!proxy.GetFailure());
MOZ_RELEASE_ASSERT(&proxy.SourceFailureLatch() == &failureLatch);
MOZ_RELEASE_ASSERT(&std::as_const(proxy).SourceFailureLatch() ==
&failureLatch);
failureLatch.SetFailure("error");
MOZ_RELEASE_ASSERT(proxy.Failed());
MOZ_RELEASE_ASSERT(strcmp(proxy.GetFailure(), "error") == 0);
MOZ_RELEASE_ASSERT(failureLatch.Failed());
MOZ_RELEASE_ASSERT(strcmp(failureLatch.GetFailure(), "error") == 0);
// Don't forget to stop pointing at soon-to-be-destroyed object.
proxy.Set(mozilla::FailureLatchInfallibleSource::Singleton());
}
MOZ_RELEASE_ASSERT(!proxy.Fallible());
MOZ_RELEASE_ASSERT(!proxy.Failed());
MOZ_RELEASE_ASSERT(!proxy.GetFailure());
MOZ_RELEASE_ASSERT(&proxy.SourceFailureLatch() ==
&mozilla::FailureLatchInfallibleSource::Singleton());
MOZ_RELEASE_ASSERT(&std::as_const(proxy).SourceFailureLatch() ==
&mozilla::FailureLatchInfallibleSource::Singleton());
}
// Test FAILURELATCH_IMPL_PROXY_OR_INFALLIBLE
{
class ProxyOrNull final : public mozilla::FailureLatch {
public:
ProxyOrNull() = default;
void Set(mozilla::FailureLatch* aFailureLatchOrNull) {
mFailureLatchOrNull = aFailureLatchOrNull;
}
FAILURELATCH_IMPL_PROXY_OR_INFALLIBLE(mFailureLatchOrNull, ProxyOrNull)
private:
mozilla::FailureLatch* mFailureLatchOrNull = nullptr;
};
ProxyOrNull proxy;
MOZ_RELEASE_ASSERT(!proxy.Fallible());
MOZ_RELEASE_ASSERT(!proxy.Failed());
MOZ_RELEASE_ASSERT(!proxy.GetFailure());
MOZ_RELEASE_ASSERT(&proxy.SourceFailureLatch() ==
&mozilla::FailureLatchInfallibleSource::Singleton());
MOZ_RELEASE_ASSERT(&std::as_const(proxy).SourceFailureLatch() ==
&mozilla::FailureLatchInfallibleSource::Singleton());
// Error from proxy.
{
mozilla::FailureLatchSource failureLatch;
proxy.Set(&failureLatch);
MOZ_RELEASE_ASSERT(proxy.Fallible());
MOZ_RELEASE_ASSERT(!proxy.Failed());
MOZ_RELEASE_ASSERT(!proxy.GetFailure());
MOZ_RELEASE_ASSERT(&proxy.SourceFailureLatch() == &failureLatch);
MOZ_RELEASE_ASSERT(&std::as_const(proxy).SourceFailureLatch() ==
&failureLatch);
proxy.SetFailure("error");
MOZ_RELEASE_ASSERT(proxy.Failed());