void tst_qmldiskcache::cppRegisteredSingletonDependency()
{
qmlClearTypeRegistrations();
QScopedPointer<QQmlEngine> engine(new QQmlEngine);
QTemporaryDir tempDir;
QVERIFY(tempDir.isValid());
const auto writeTempFile = [&tempDir](const QString &fileName, const char *contents) {
QFile f(tempDir.path() + '/' + fileName);
const bool ok = f.open(QIODevice::WriteOnly | QIODevice::Truncate);
Q_ASSERT(ok);
f.write(contents);
return f.fileName();
};
writeTempFile("MySingleton.qml", "import QtQml 2.0\npragma Singleton\nQtObject { property int value: 42 }");
qmlRegisterSingletonType(QUrl::fromLocalFile(tempDir.path() + QLatin1String("/MySingleton.qml")), "CppRegisteredSingletonDependency", 1, 0, "Singly");
const QString testFilePath = writeTempFile("main.qml", "import QtQml 2.0\nimport CppRegisteredSingletonDependency 1.0\nQtObject {\n"
" function getValue() { return Singly.value; }\n"
"}");
{
CleanlyLoadingComponent component(engine.data(), QUrl::fromLocalFile(testFilePath));
QScopedPointer<QObject> obj(component.create());
QVERIFY(!obj.isNull());
QVariant value;
QVERIFY(QMetaObject::invokeMethod(obj.data(), "getValue", Q_RETURN_ARG(QVariant, value)));
QCOMPARE(value.toInt(), 42);
}
const QString testFileCachePath = testFilePath + QLatin1Char('c');
QVERIFY(QFile::exists(testFileCachePath));
QDateTime initialCacheTimeStamp = QFileInfo(testFileCachePath).lastModified();
engine.reset(new QQmlEngine);
waitForFileSystem();
writeTempFile("MySingleton.qml", "import QtQml 2.0\npragma Singleton\nQtObject { property int value: 100 }");
waitForFileSystem();
{
CleanlyLoadingComponent component(engine.data(), QUrl::fromLocalFile(testFilePath));
QScopedPointer<QObject> obj(component.create());
QVERIFY(!obj.isNull());
{
QVERIFY(QFile::exists(testFileCachePath));
QDateTime newCacheTimeStamp = QFileInfo(testFileCachePath).lastModified();
QVERIFY2(newCacheTimeStamp > initialCacheTimeStamp, qPrintable(newCacheTimeStamp.toString()));
}
QVariant value;
QVERIFY(QMetaObject::invokeMethod(obj.data(), "getValue", Q_RETURN_ARG(QVariant, value)));
QCOMPARE(value.toInt(), 100);
}
}
static void cleanState(QQmlEngine **e)
{
delete *e;
qmlClearTypeRegistrations();
*e = new QQmlEngine;
QCoreApplication::sendPostedEvents(0, QEvent::DeferredDelete);
QCoreApplication::processEvents();
}
void TestDriver::tearDown()
{
delete c;
e->collectGarbage();
delete e;
qmlClearTypeRegistrations();
//Note that i < 0 will effectively never terminate. This is deliberate as a prime use is to run indefinitely and watch the memory *not* grow
i--;
if (!i)
qApp->quit();
else
QTimer::singleShot(interval, this, SLOT(setUp()));
}
void tst_qmldiskcache::recompileAfterChange()
{
QQmlEngine engine;
TestCompiler testCompiler(&engine);
QVERIFY(testCompiler.tempDir.isValid());
const QByteArray contents = QByteArrayLiteral("import TypeTest 1.0\n"
"TypeThatWillChange {\n"
"}");
qmlRegisterType<TypeVersion1>("TypeTest", 1, 0, "TypeThatWillChange");
{
testCompiler.clearCache();
QVERIFY2(testCompiler.compile(contents), qPrintable(testCompiler.lastErrorString));
QVERIFY2(testCompiler.verify(), qPrintable(testCompiler.lastErrorString));
}
QDateTime initialCacheTimeStamp = QFileInfo(testCompiler.cacheFilePath).lastModified();
{
CleanlyLoadingComponent component(&engine, testCompiler.testFilePath);
QScopedPointer<TypeVersion1> obj(qobject_cast<TypeVersion1*>(component.create()));
QVERIFY(!obj.isNull());
QCOMPARE(QFileInfo(testCompiler.cacheFilePath).lastModified(), initialCacheTimeStamp);
}
engine.clearComponentCache();
{
CleanlyLoadingComponent component(&engine, testCompiler.testFilePath);
QScopedPointer<TypeVersion1> obj(qobject_cast<TypeVersion1*>(component.create()));
QVERIFY(!obj.isNull());
QCOMPARE(QFileInfo(testCompiler.cacheFilePath).lastModified(), initialCacheTimeStamp);
}
engine.clearComponentCache();
qmlClearTypeRegistrations();
qmlRegisterType<TypeVersion2>("TypeTest", 1, 0, "TypeThatWillChange");
waitForFileSystem();
{
CleanlyLoadingComponent component(&engine, testCompiler.testFilePath);
QScopedPointer<TypeVersion2> obj(qobject_cast<TypeVersion2*>(component.create()));
QVERIFY(!obj.isNull());
QVERIFY(QFileInfo(testCompiler.cacheFilePath).lastModified() > initialCacheTimeStamp);
}
}
void tst_qqmlenginecleanup::test_qmlClearTypeRegistrations()
{
//Test for preventing memory leaks is in tests/manual/qmltypememory
QQmlEngine* engine;
QQmlComponent* component;
QUrl testFile = testFileUrl("types.qml");
qmlRegisterType<QObject>("Test", 2, 0, "TestTypeCpp");
engine = new QQmlEngine;
component = new QQmlComponent(engine, testFile);
QVERIFY(component->isReady());
delete engine;
delete component;
qmlClearTypeRegistrations();
//2nd run verifies that types can reload after a qmlClearTypeRegistrations
qmlRegisterType<QObject>("Test", 2, 0, "TestTypeCpp");
engine = new QQmlEngine;
component = new QQmlComponent(engine, testFile);
QVERIFY(component->isReady());
delete engine;
delete component;
qmlClearTypeRegistrations();
//3nd run verifies that TestTypeCpp is no longer registered
engine = new QQmlEngine;
component = new QQmlComponent(engine, testFile);
QVERIFY(component->isError());
QCOMPARE(component->errorString(),
testFile.toString() +":46 module \"Test\" is not installed\n");
delete engine;
delete component;
}