| /**************************************************************************** |
| ** |
| ** 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. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL-EXCEPT$ |
| ** 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 https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** 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. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| #include <QtCore> |
| |
| #include <qtest.h> |
| #include <qtesteventloop.h> |
| |
| class PingPong : public QObject |
| { |
| public: |
| void setPeer(QObject *peer); |
| void resetCounter() {m_counter = 100;} |
| |
| protected: |
| bool event(QEvent *e); |
| |
| private: |
| QObject *m_peer; |
| int m_counter; |
| }; |
| |
| void PingPong::setPeer(QObject *peer) |
| { |
| m_peer = peer; |
| m_counter = 100; |
| } |
| |
| bool PingPong::event(QEvent *) |
| { |
| --m_counter; |
| if (m_counter > 0) { |
| QEvent *e = new QEvent(QEvent::User); |
| QCoreApplication::postEvent(m_peer, e); |
| } else { |
| QTestEventLoop::instance().exitLoop(); |
| } |
| return true; |
| } |
| |
| class EventTester : public QObject |
| { |
| public: |
| int foo(int bar); |
| |
| protected: |
| bool event(QEvent *e); |
| }; |
| |
| bool EventTester::event(QEvent *e) |
| { |
| if (e->type() == QEvent::User+1) |
| return foo(e->type()) != 0; |
| return false; |
| } |
| |
| int EventTester::foo(int bar) |
| { |
| return bar + 1; |
| } |
| |
| class EventsBench : public QObject |
| { |
| Q_OBJECT |
| |
| private slots: |
| void initTestCase(); |
| void cleanupTestCase(); |
| |
| void noEvent(); |
| void sendEvent_data(); |
| void sendEvent(); |
| void postEvent_data(); |
| void postEvent(); |
| }; |
| |
| void EventsBench::initTestCase() |
| { |
| } |
| |
| void EventsBench::cleanupTestCase() |
| { |
| } |
| |
| void EventsBench::noEvent() |
| { |
| EventTester tst; |
| int val = 0; |
| QBENCHMARK { |
| val += tst.foo(1); |
| } |
| } |
| |
| void EventsBench::sendEvent_data() |
| { |
| QTest::addColumn<bool>("filterEvents"); |
| QTest::newRow("no eventfilter") << false; |
| QTest::newRow("eventfilter") << true; |
| } |
| |
| void EventsBench::sendEvent() |
| { |
| QFETCH(bool, filterEvents); |
| EventTester tst; |
| if (filterEvents) |
| tst.installEventFilter(this); |
| QEvent evt(QEvent::Type(QEvent::User+1)); |
| QBENCHMARK { |
| QCoreApplication::sendEvent(&tst, &evt); |
| } |
| } |
| |
| void EventsBench::postEvent_data() |
| { |
| QTest::addColumn<bool>("filterEvents"); |
| // The first time an eventloop is executed, the case runs radically slower at least |
| // on some platforms, so test the "no eventfilter" case to get a comparable results |
| // with the "eventfilter" case. |
| QTest::newRow("first time, no eventfilter") << false; |
| QTest::newRow("no eventfilter") << false; |
| QTest::newRow("eventfilter") << true; |
| } |
| |
| void EventsBench::postEvent() |
| { |
| QFETCH(bool, filterEvents); |
| PingPong ping; |
| PingPong pong; |
| ping.setPeer(&pong); |
| pong.setPeer(&ping); |
| if (filterEvents) { |
| ping.installEventFilter(this); |
| pong.installEventFilter(this); |
| } |
| |
| QBENCHMARK { |
| // In case multiple iterations are done, event needs to be created inside the QBENCHMARK, |
| // or it gets deleted once first iteration exits and can cause a crash. Similarly, |
| // ping and pong need their counters reset. |
| QEvent *e = new QEvent(QEvent::User); |
| ping.resetCounter(); |
| pong.resetCounter(); |
| QCoreApplication::postEvent(&ping, e); |
| QTestEventLoop::instance().enterLoop( 61 ); |
| } |
| } |
| |
| QTEST_MAIN(EventsBench) |
| |
| #include "main.moc" |