diff options
Diffstat (limited to 'tests/auto/concurrent/qtconcurrentrun/tst_qtconcurrentrun.cpp')
| -rw-r--r-- | tests/auto/concurrent/qtconcurrentrun/tst_qtconcurrentrun.cpp | 58 |
1 files changed, 41 insertions, 17 deletions
diff --git a/tests/auto/concurrent/qtconcurrentrun/tst_qtconcurrentrun.cpp b/tests/auto/concurrent/qtconcurrentrun/tst_qtconcurrentrun.cpp index 8ffe4d8dfe..1b0ac7a8bc 100644 --- a/tests/auto/concurrent/qtconcurrentrun/tst_qtconcurrentrun.cpp +++ b/tests/auto/concurrent/qtconcurrentrun/tst_qtconcurrentrun.cpp @@ -1,31 +1,26 @@ /**************************************************************************** ** -** Copyright (C) 2015 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ ** ** This file is part of the test suite of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:LGPL21$ +** $QT_BEGIN_LICENSE:GPL-EXCEPT$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms -** and conditions see http://www.qt.io/terms-conditions. For further -** information use the contact form at http://www.qt.io/contact-us. +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. ** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 or version 3 as published by the Free -** Software Foundation and appearing in the file LICENSE.LGPLv21 and -** LICENSE.LGPLv3 included in the packaging of this file. Please review the -** following information to ensure the GNU Lesser General Public License -** requirements will be met: https://www.gnu.org/licenses/lgpl.html and -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** As a special exception, The Qt Company gives you certain additional -** rights. These rights are described in The Qt Company LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3 as published by the Free Software +** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** @@ -48,6 +43,7 @@ private slots: void memberFunctions(); void implicitConvertibleTypes(); void runWaitLoop(); + void pollForIsFinished(); void recursive(); #ifndef QT_NO_EXCEPTIONS void exceptions(); @@ -353,6 +349,34 @@ void tst_QtConcurrentRun::runWaitLoop() run(fn).waitForFinished(); } +static bool allFinished(const QList<QFuture<void> > &futures) +{ + auto hasNotFinished = [](const QFuture<void> &future) { return !future.isFinished(); }; + return std::find_if(futures.cbegin(), futures.cend(), hasNotFinished) + == futures.constEnd(); +} + +static void runFunction() +{ + QEventLoop loop; + QTimer::singleShot(20, &loop, &QEventLoop::quit); + loop.exec(); +} + +void tst_QtConcurrentRun::pollForIsFinished() +{ + const int numThreads = std::max(4, 2 * QThread::idealThreadCount()); + QThreadPool::globalInstance()->setMaxThreadCount(numThreads); + + QFutureSynchronizer<void> synchronizer; + for (int i = 0; i < numThreads; ++i) + synchronizer.addFuture(QtConcurrent::run(&runFunction)); + + // same as synchronizer.waitForFinished() but with a timeout + QTRY_VERIFY(allFinished(synchronizer.futures())); +} + + QAtomicInt count; void recursiveRun(int level) |