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-rw-r--r--src/corelib/kernel/kernel.pri4
-rw-r--r--src/corelib/kernel/qtestsupport_core.cpp126
-rw-r--r--src/corelib/kernel/qtestsupport_core.h92
3 files changed, 221 insertions, 1 deletions
diff --git a/src/corelib/kernel/kernel.pri b/src/corelib/kernel/kernel.pri
index c528b16f9c..3f7bf3cd47 100644
--- a/src/corelib/kernel/kernel.pri
+++ b/src/corelib/kernel/kernel.pri
@@ -43,6 +43,7 @@ HEADERS += \
kernel/qsystemerror_p.h \
kernel/qmetatype_p.h \
kernel/qmetatypeswitcher_p.h \
+ kernel/qtestsupport_core.h
SOURCES += \
kernel/qabstracteventdispatcher.cpp \
@@ -69,7 +70,8 @@ SOURCES += \
kernel/qsystemsemaphore.cpp \
kernel/qpointer.cpp \
kernel/qmath.cpp \
- kernel/qsystemerror.cpp
+ kernel/qsystemerror.cpp \
+ kernel/qtestsupport_core.cpp
win32 {
SOURCES += \
diff --git a/src/corelib/kernel/qtestsupport_core.cpp b/src/corelib/kernel/qtestsupport_core.cpp
new file mode 100644
index 0000000000..240e5795db
--- /dev/null
+++ b/src/corelib/kernel/qtestsupport_core.cpp
@@ -0,0 +1,126 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtTest module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** 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-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qtestsupport_core.h"
+
+#ifdef Q_OS_WIN
+#include <qt_windows.h>
+#endif
+
+QT_BEGIN_NAMESPACE
+
+Q_CORE_EXPORT void QTestPrivate::qSleep(int ms)
+{
+ Q_ASSERT(ms > 0);
+
+#if defined(Q_OS_WINRT)
+ WaitForSingleObjectEx(GetCurrentThread(), ms, true);
+#elif defined(Q_OS_WIN)
+ Sleep(uint(ms));
+#else
+ struct timespec ts = { time_t(ms / 1000), (ms % 1000) * 1000 * 1000 };
+ nanosleep(&ts, NULL);
+#endif
+}
+
+/*! \fn template <typename Functor> bool qWaitFor(Functor predicate, int timeout)
+ \relates QTest
+
+ Waits for \a timeout milliseconds or until the \a predicate returns true.
+
+ Returns \c true if the \a predicate returned true at any point, otherwise returns \c false.
+
+ Example:
+
+ \code
+ MyObject obj;
+ obj.startup();
+ QTest::qWaitFor([&]() {
+ return obj.isReady();
+ }, 3000);
+ \endcode
+
+ The code above will wait for the object to become ready, for a
+ maximum of three seconds.
+
+ \since 5.10
+*/
+
+
+/*! \fn void qWait(int ms)
+ \relates QTest
+
+ Waits for \a ms milliseconds. While waiting, events will be processed and
+ your test will stay responsive to user interface events or network communication.
+
+ Example:
+
+ \code
+ int i = 0;
+ while (myNetworkServerNotResponding() && i++ < 50)
+ QTest::qWait(250);
+ \endcode
+
+ The code above will wait until the network server is responding for a
+ maximum of about 12.5 seconds.
+
+ \sa QTest::qSleep(), QSignalSpy::wait()
+*/
+Q_CORE_EXPORT void QTest::qWait(int ms)
+{
+ // Ideally this method would be implemented in terms of qWaitFor, with
+ // a predicate that always returns false, but due to a compiler bug in
+ // GCC 6 we can't do that.
+
+ Q_ASSERT(QCoreApplication::instance());
+
+ QDeadlineTimer timer(ms, Qt::PreciseTimer);
+ int remaining = ms;
+ do {
+ QCoreApplication::processEvents(QEventLoop::AllEvents, remaining);
+ QCoreApplication::sendPostedEvents(Q_NULLPTR, QEvent::DeferredDelete);
+ remaining = timer.remainingTime();
+ if (remaining <= 0)
+ break;
+ QTestPrivate::qSleep(qMin(10, remaining));
+ remaining = timer.remainingTime();
+ } while (remaining > 0);
+}
+
+QT_END_NAMESPACE
diff --git a/src/corelib/kernel/qtestsupport_core.h b/src/corelib/kernel/qtestsupport_core.h
new file mode 100644
index 0000000000..7fc0054580
--- /dev/null
+++ b/src/corelib/kernel/qtestsupport_core.h
@@ -0,0 +1,92 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtTest module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** 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-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QTESTSUPPORT_CORE_H
+#define QTESTSUPPORT_CORE_H
+
+#include <QtCore/qcoreapplication.h>
+#include <QtCore/qdeadlinetimer.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace QTestPrivate {
+Q_CORE_EXPORT void qSleep(int ms);
+}
+
+namespace QTest {
+
+template <typename Functor>
+Q_REQUIRED_RESULT static bool qWaitFor(Functor predicate, int timeout = 5000)
+{
+ // We should not spin the event loop in case the predicate is already true,
+ // otherwise we might send new events that invalidate the predicate.
+ if (predicate())
+ return true;
+
+ // qWait() is expected to spin the event loop, even when called with a small
+ // timeout like 1ms, so we we can't use a simple while-loop here based on
+ // the deadline timer not having timed out. Use do-while instead.
+
+ int remaining = timeout;
+ QDeadlineTimer deadline(remaining, Qt::PreciseTimer);
+
+ do {
+ QCoreApplication::processEvents(QEventLoop::AllEvents, remaining);
+ QCoreApplication::sendPostedEvents(nullptr, QEvent::DeferredDelete);
+
+ remaining = deadline.remainingTime();
+ if (remaining > 0)
+ QTestPrivate::qSleep(qMin(10, remaining));
+
+ if (predicate())
+ return true;
+
+ remaining = deadline.remainingTime();
+ } while (remaining > 0);
+
+ return predicate(); // Last chance
+}
+
+Q_CORE_EXPORT void qWait(int ms);
+
+} // namespace QTest
+
+QT_END_NAMESPACE
+
+#endif
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