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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QTest>
#include <qexception.h>
#include <qfuture.h>
#include <qpromise.h>
#include <qsemaphore.h>
class tst_QFuture : public QObject
{
Q_OBJECT
private slots:
void makeReadyValueFuture();
#ifndef QT_NO_EXCEPTIONS
void makeExceptionalFuture();
#endif
void result();
void results();
void takeResult();
void reportResult();
void reportResults();
void reportResultsManualProgress();
#ifndef QT_NO_EXCEPTIONS
void reportException();
#endif
void then();
void thenVoid();
void onCanceled();
void onCanceledVoid();
#ifndef QT_NO_EXCEPTIONS
void onFailed();
void onFailedVoid();
void thenOnFailed();
void thenOnFailedVoid();
#endif
void reportProgress();
void progressMinimum();
void progressMaximum();
void progressValue();
void progressText();
};
void tst_QFuture::makeReadyValueFuture()
{
QBENCHMARK {
auto future = QtFuture::makeReadyValueFuture(42);
Q_UNUSED(future);
}
}
#ifndef QT_NO_EXCEPTIONS
void tst_QFuture::makeExceptionalFuture()
{
QException e;
QBENCHMARK {
auto future = QtFuture::makeExceptionalFuture(e);
Q_UNUSED(future);
}
}
#endif
void tst_QFuture::result()
{
auto future = QtFuture::makeReadyValueFuture(42);
QBENCHMARK {
auto value = future.result();
Q_UNUSED(value);
}
}
void tst_QFuture::results()
{
QFutureInterface<int> fi;
fi.reportStarted();
for (int i = 0; i < 1000; ++i)
fi.reportResult(i);
fi.reportFinished();
auto future = fi.future();
QBENCHMARK {
auto values = future.results();
Q_UNUSED(values);
}
}
void tst_QFuture::takeResult()
{
QBENCHMARK {
auto future = QtFuture::makeReadyValueFuture(42);
auto value = future.takeResult();
Q_UNUSED(value);
}
}
void tst_QFuture::reportResult()
{
QFutureInterface<int> fi;
QBENCHMARK {
fi.reportResult(42);
}
}
void tst_QFuture::reportResults()
{
QFutureInterface<int> fi;
QList<int> values(1000);
std::iota(values.begin(), values.end(), 0);
QBENCHMARK {
fi.reportResults(values);
}
}
void tst_QFuture::reportResultsManualProgress()
{
QFutureInterface<int> fi;
const int resultCount = 1000;
fi.setProgressRange(0, resultCount);
QBENCHMARK {
for (int i = 0; i < resultCount; ++i)
fi.reportResult(i);
}
}
#ifndef QT_NO_EXCEPTIONS
void tst_QFuture::reportException()
{
QException e;
QBENCHMARK {
QFutureInterface<int> fi;
fi.reportException(e);
}
}
#endif
void tst_QFuture::then()
{
auto f = QtFuture::makeReadyValueFuture(42);
QBENCHMARK {
auto future = f.then([](int value) { return value; });
Q_UNUSED(future);
}
}
void tst_QFuture::thenVoid()
{
auto f = QtFuture::makeReadyVoidFuture();
QBENCHMARK {
auto future = f.then([] {});
Q_UNUSED(future);
}
}
void tst_QFuture::onCanceled()
{
QFutureInterface<int> fi;
fi.reportStarted();
fi.reportCanceled();
fi.reportFinished();
QBENCHMARK {
auto future = fi.future().onCanceled([] { return 0; });
Q_UNUSED(future);
}
}
void tst_QFuture::onCanceledVoid()
{
QFutureInterface<void> fi;
fi.reportStarted();
fi.reportCanceled();
fi.reportFinished();
QBENCHMARK {
auto future = fi.future().onCanceled([] {});
Q_UNUSED(future);
}
}
#ifndef QT_NO_EXCEPTIONS
void tst_QFuture::onFailed()
{
QException e;
auto f = QtFuture::makeExceptionalFuture<int>(e);
QBENCHMARK {
auto future = f.onFailed([] { return 0; });
Q_UNUSED(future);
}
}
void tst_QFuture::onFailedVoid()
{
QException e;
auto f = QtFuture::makeExceptionalFuture(e);
QBENCHMARK {
auto future = f.onFailed([] {});
Q_UNUSED(future);
}
}
void tst_QFuture::thenOnFailed()
{
auto f = QtFuture::makeReadyValueFuture(42);
QBENCHMARK {
auto future =
f.then([](int) { throw std::runtime_error("error"); }).onFailed([] { return 0; });
Q_UNUSED(future);
}
}
void tst_QFuture::thenOnFailedVoid()
{
auto f = QtFuture::makeReadyVoidFuture();
QBENCHMARK {
auto future = f.then([] { throw std::runtime_error("error"); }).onFailed([] {});
Q_UNUSED(future);
}
}
#endif
void tst_QFuture::reportProgress()
{
QFutureInterface<void> fi;
fi.reportStarted();
fi.reportFinished();
QBENCHMARK {
for (int i = 0; i < 100; ++i) {
fi.setProgressValue(i);
}
}
}
void tst_QFuture::progressMinimum()
{
QFutureInterface<void> fi;
fi.setProgressRange(0, 100);
fi.reportStarted();
fi.reportFinished();
auto future = fi.future();
QBENCHMARK {
auto value = future.progressMinimum();
Q_UNUSED(value);
}
}
void tst_QFuture::progressMaximum()
{
QFutureInterface<void> fi;
fi.setProgressRange(0, 100);
fi.reportStarted();
fi.reportFinished();
auto future = fi.future();
QBENCHMARK {
auto value = future.progressMaximum();
Q_UNUSED(value);
}
}
void tst_QFuture::progressValue()
{
QFutureInterface<void> fi;
fi.setProgressValue(50);
fi.reportStarted();
fi.reportFinished();
auto future = fi.future();
QBENCHMARK {
auto value = future.progressValue();
Q_UNUSED(value);
}
}
void tst_QFuture::progressText()
{
QFutureInterface<void> fi;
fi.setProgressValueAndText(50, "text");
fi.reportStarted();
fi.reportFinished();
auto future = fi.future();
QBENCHMARK {
auto text = future.progressText();
Q_UNUSED(text);
}
}
QTEST_MAIN(tst_QFuture)
#include "tst_bench_qfuture.moc"
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