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/****************************************************************************
**
** Copyright (C) 2016 Canonical Limited and/or its subsidiary(-ies).
** 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 <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 "../../shared/util.h"
class tst_QQMLTypeLoader : public QQmlDataTest
{
Q_OBJECT
private slots:
void testLoadComplete();
void loadComponentSynchronously();
void trimCache();
void trimCache2();
void keepSingleton();
};
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->compilationUnit()->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);
}
static void checkSingleton(const QString &dataDirectory)
{
QQmlEngine engine;
engine.addImportPath(dataDirectory);
QQmlComponent component(&engine);
component.setData("import ClusterDemo 1.0\n"
"import QtQuick 2.6\n"
"import \"..\"\n"
"Item { property int t: ValueSource.something }",
QUrl::fromLocalFile(dataDirectory + "/abc/Xyz.qml"));
QCOMPARE(component.status(), QQmlComponent::Ready);
QScopedPointer<QObject> o(component.create());
QVERIFY(o.data());
QCOMPARE(o->property("t").toInt(), 10);
}
void tst_QQMLTypeLoader::keepSingleton()
{
qmlRegisterSingletonType(testFileUrl("ValueSource.qml"), "ClusterDemo", 1, 0, "ValueSource");
checkSingleton(dataDirectory());
QQmlMetaType::freeUnusedTypesAndCaches();
checkSingleton(dataDirectory());
}
QTEST_MAIN(tst_QQMLTypeLoader)
#include "tst_qqmltypeloader.moc"
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