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/****************************************************************************
**
** Copyright (C) 2013 Canonical Limited and/or its subsidiary(-ies).
** Contact: http://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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.
**
** 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
#include <QtQml/qqmlengine.h>
#include <QtQuick/qquickview.h>
#include <QtQuick/qquickitem.h>
#include <QtQml/private/qqmlengine_p.h>
#include <QtQml/private/qqmltypeloader_p.h>
#include <QtQml/private/qqmlcompiler_p.h>
#include "../../shared/util.h"
class tst_QQMLTypeLoader : public QQmlDataTest
{
Q_OBJECT
private slots:
void testLoadComplete();
void loadComponentSynchronously();
void trimCache();
void trimCache2();
};
void tst_QQMLTypeLoader::testLoadComplete()
{
QQuickView *window = new QQuickView();
window->engine()->addImportPath(QT_TESTCASE_BUILDDIR);
qDebug() << window->engine()->importPathList();
window->setGeometry(0,0,240,320);
window->setSource(testFileUrl("test_load_complete.qml"));
window->show();
QVERIFY(QTest::qWaitForWindowExposed(window));
QObject *rootObject = window->rootObject();
QTRY_VERIFY(rootObject != 0);
QTRY_COMPARE(rootObject->property("created").toInt(), 2);
QTRY_COMPARE(rootObject->property("loaded").toInt(), 2);
delete window;
}
void tst_QQMLTypeLoader::loadComponentSynchronously()
{
QQmlEngine engine;
QTest::ignoreMessage(QtWarningMsg, QRegularExpression(
QLatin1String(".*nonprotocol::1:1: QtObject is not a type.*")));
QQmlComponent component(&engine, testFileUrl("load_synchronous.qml"));
QObject *o = component.create();
QVERIFY(o);
}
void tst_QQMLTypeLoader::trimCache()
{
QQmlEngine engine;
QQmlTypeLoader &loader = QQmlEnginePrivate::get(&engine)->typeLoader;
for (int i = 0; i < 256; ++i) {
QUrl url = testFileUrl("trim_cache.qml");
url.setQuery(QString::number(i));
QQmlTypeData *data = loader.getType(url);
// Run an event loop to receive the callback that release()es.
QTRY_COMPARE(data->count(), 2);
// keep references to some of them so that they aren't trimmed. References to either the
// QQmlTypeData or its compiledData() should prevent the trimming.
if (i % 10 == 0) {
// keep ref on data, don't add ref on data->compiledData()
} else if (i % 5 == 0) {
data->compiledData()->addref();
data->release();
} else {
data->release();
}
}
for (int i = 0; i < 256; ++i) {
QUrl url = testFileUrl("trim_cache.qml");
url.setQuery(QString::number(i));
if (i % 5 == 0)
QVERIFY(loader.isTypeLoaded(url));
else if (i < 128)
QVERIFY(!loader.isTypeLoaded(url));
// The cache is free to keep the others.
}
}
void tst_QQMLTypeLoader::trimCache2()
{
QQuickView *window = new QQuickView();
window->setSource(testFileUrl("trim_cache2.qml"));
QQmlTypeLoader &loader = QQmlEnginePrivate::get(window->engine())->typeLoader;
// in theory if gc has already run this could be false
// QCOMPARE(loader.isTypeLoaded(testFileUrl("MyComponent2.qml")), true);
window->engine()->collectGarbage();
QTest::qWait(1); // force event loop
window->engine()->trimComponentCache();
QCOMPARE(loader.isTypeLoaded(testFileUrl("MyComponent2.qml")), false);
}
QTEST_MAIN(tst_QQMLTypeLoader)
#include "tst_qqmltypeloader.moc"
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