1 files changed, 116 insertions, 0 deletions
diff --git a/src/corelib/kernel/qtestsupport_core.cpp b/src/corelib/kernel/qtestsupport_core.cpp
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+++ b/src/corelib/kernel/qtestsupport_core.cpp
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+/****************************************************************************
+**
+** 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:
+
+    \snippet code/src_corelib_kernel_qtestsupport_core.cpp 0
+
+    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:
+
+    \snippet code/src_corelib_kernel_qtestsupport_core.cpp 1
+
+    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