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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWebEngine module 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
// Functions and macros that really need to be in QTestLib
#if 0
#pragma qt_no_master_include
#endif
#include <QEventLoop>
#include <QSignalSpy>
#include <QTimer>
#include <qwebenginepage.h>
#if !defined(TESTS_SOURCE_DIR)
#define TESTS_SOURCE_DIR ""
#endif
/**
* Starts an event loop that runs until the given signal is received.
* Optionally the event loop
* can return earlier on a timeout.
*
* \return \p true if the requested signal was received
* \p false on timeout
*/
static inline bool waitForSignal(QObject* obj, const char* signal, int timeout = 10000)
{
QEventLoop loop;
QObject::connect(obj, signal, &loop, SLOT(quit()));
QTimer timer;
QSignalSpy timeoutSpy(&timer, SIGNAL(timeout()));
if (timeout > 0) {
QObject::connect(&timer, SIGNAL(timeout()), &loop, SLOT(quit()));
timer.setSingleShot(true);
timer.start(timeout);
}
loop.exec();
return timeoutSpy.isEmpty();
}
/**
* Just like QSignalSpy but facilitates sync and async
* signal emission. For example if you want to verify that
* page->foo() emitted a signal, it could be that the
* implementation decides to emit the signal asynchronously
* - in which case we want to spin a local event loop until
* emission - or that the call to foo() emits it right away.
*/
class SignalBarrier : private QSignalSpy
{
public:
SignalBarrier(const QObject* obj, const char* aSignal)
: QSignalSpy(obj, aSignal)
{ }
bool ensureSignalEmitted()
{
bool result = count() > 0;
if (!result)
result = wait();
clear();
return result;
}
};
template<typename T, typename R>
struct RefWrapper {
R &ref;
void operator()(const T& result) {
ref(result);
}
};
template<typename T>
class CallbackSpy {
public:
CallbackSpy() : called(false) {
timeoutTimer.setSingleShot(true);
QObject::connect(&timeoutTimer, SIGNAL(timeout()), &eventLoop, SLOT(quit()));
}
T waitForResult() {
if (!called) {
timeoutTimer.start(10000);
eventLoop.exec();
}
return result;
}
bool wasCalled() const {
return called;
}
void operator()(const T &result) {
this->result = result;
called = true;
eventLoop.quit();
}
// Cheap rip-off of boost/std::ref
RefWrapper<T, CallbackSpy<T> > ref()
{
RefWrapper<T, CallbackSpy<T> > wrapper = {*this};
return wrapper;
}
private:
Q_DISABLE_COPY(CallbackSpy)
bool called;
QTimer timeoutTimer;
QEventLoop eventLoop;
T result;
};
static inline QString toPlainTextSync(QWebEnginePage *page)
{
CallbackSpy<QString> spy;
page->toPlainText(spy.ref());
return spy.waitForResult();
}
static inline QString toHtmlSync(QWebEnginePage *page)
{
CallbackSpy<QString> spy;
page->toHtml(spy.ref());
return spy.waitForResult();
}
static inline bool findTextSync(QWebEnginePage *page, const QString &subString)
{
CallbackSpy<bool> spy;
page->findText(subString, 0, spy.ref());
return spy.waitForResult();
}
static inline QVariant evaluateJavaScriptSync(QWebEnginePage *page, const QString &script)
{
CallbackSpy<QVariant> spy;
page->runJavaScript(script, spy.ref());
return spy.waitForResult();
}
static inline QVariant evaluateJavaScriptSyncInWorld(QWebEnginePage *page, const QString &script, int worldId)
{
CallbackSpy<QVariant> spy;
page->runJavaScript(script, worldId, spy.ref());
return spy.waitForResult();
}
static inline QUrl baseUrlSync(QWebEnginePage *page)
{
CallbackSpy<QVariant> spy;
page->runJavaScript("document.baseURI", spy.ref());
return spy.waitForResult().toUrl();
}
#define W_QSKIP(a, b) QSKIP(a)
#define W_QTEST_MAIN(TestObject, params) \
QT_BEGIN_NAMESPACE \
QTEST_ADD_GPU_BLACKLIST_SUPPORT_DEFS \
QT_END_NAMESPACE \
int main(int argc, char *argv[]) \
{ \
QVector<const char *> w_argv(argc); \
for (int i = 0; i < argc; ++i) \
w_argv[i] = argv[i]; \
for (int i = 0; i < params.size(); ++i) \
w_argv.append(params[i].data()); \
int w_argc = w_argv.size(); \
\
QApplication app(w_argc, const_cast<char **>(w_argv.data())); \
app.setAttribute(Qt::AA_Use96Dpi, true); \
QTEST_DISABLE_KEYPAD_NAVIGATION \
QTEST_ADD_GPU_BLACKLIST_SUPPORT \
TestObject tc; \
QTEST_SET_MAIN_SOURCE_PATH \
return QTest::qExec(&tc, argc, argv); \
}
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