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// Copyright (C) 2025 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <QtQml/qqmlengine.h>
#include <QtQml/qqmlcomponent.h>
#include <QtQmlModels/private/qqmldelegatemodel_p.h>
#include <QtQuick3D/private/qquick3drepeater_p.h>
#include <QtQuickTestUtils/private/qmlutils_p.h>
class tst_qquick3drepeater : public QQmlDataTest
{
Q_OBJECT
public:
tst_qquick3drepeater();
private slots:
void setDelegateAfterModel();
void delegateModelAccess();
void delegateModelAccess_data();
};
tst_qquick3drepeater::tst_qquick3drepeater()
: QQmlDataTest(QT_QMLTEST_DATADIR)
{
}
void tst_qquick3drepeater::setDelegateAfterModel()
{
QQmlEngine engine;
const QUrl url = testFileUrl("setDelegateAfterModel.qml");
QQmlComponent component(&engine, url);
QVERIFY2(component.isReady(), qPrintable(component.errorString()));
QScopedPointer<QObject> object(component.create());
QVERIFY(!object.isNull());
// If the model was lost by setting the delegate, the count would be 0.
QCOMPARE(object->property("count").toInt(), 3);
QTest::ignoreMessage(
QtWarningMsg,
qPrintable(url.toString() + ":18:5: QML Repeater3D: Cannot retain explicitly set "
"delegate on non-DelegateModel"));
object->setProperty("useObjectModel", QVariant::fromValue<bool>(true));
QCOMPARE(object->property("count").toInt(), 2);
// The old model must not mess with the view anymore.
QTest::failOnWarning(qPrintable(url.toString() + ":18:5: QML Repeater3D: Explicitly set delegate "
"is externally overridden"));
QMetaObject::invokeMethod(object.data(), "plantDelegate");
QCOMPARE(object->property("count").toInt(), 4);
}
namespace Model {
Q_NAMESPACE
QML_ELEMENT
enum Kind : qint8
{
None = -1,
Singular,
List,
Array,
Object
};
Q_ENUM_NS(Kind)
}
namespace Delegate {
Q_NAMESPACE
QML_ELEMENT
enum Kind : qint8
{
None = -1,
Untyped,
Typed
};
Q_ENUM_NS(Kind)
}
template<typename Enum>
const char *enumKey(Enum value) {
const QMetaObject *mo = qt_getEnumMetaObject(value);
const QMetaEnum metaEnum = mo->enumerator(mo->indexOfEnumerator(qt_getEnumName(value)));
return metaEnum.valueToKey(value);
}
void tst_qquick3drepeater::delegateModelAccess_data()
{
QTest::addColumn<QQmlDelegateModel::DelegateModelAccess>("access");
QTest::addColumn<Model::Kind>("modelKind");
QTest::addColumn<Delegate::Kind>("delegateKind");
using Access = QQmlDelegateModel::DelegateModelAccess;
for (auto access : { Access::Qt5ReadWrite, Access::ReadOnly, Access::ReadWrite }) {
for (auto model : { Model::Singular, Model::List, Model::Array, Model::Object }) {
for (auto delegate : { Delegate::Untyped, Delegate::Typed }) {
QTest::addRow("%s-%s-%s", enumKey(access), enumKey(model), enumKey(delegate))
<< access << model << delegate;
}
}
}
}
void tst_qquick3drepeater::delegateModelAccess()
{
static const bool initialized = []() {
qmlRegisterNamespaceAndRevisions(&Model::staticMetaObject, "Test", 1);
qmlRegisterNamespaceAndRevisions(&Delegate::staticMetaObject, "Test", 1);
return true;
}();
QVERIFY(initialized);
QFETCH(QQmlDelegateModel::DelegateModelAccess, access);
QFETCH(Model::Kind, modelKind);
QFETCH(Delegate::Kind, delegateKind);
QQmlEngine engine;
const QUrl url = testFileUrl("delegateModelAccess.qml");
QQmlComponent c(&engine, url);
QVERIFY2(c.isReady(), qPrintable(c.errorString()));
QScopedPointer<QObject> object(c.create());
QQuick3DRepeater *repeater = qvariant_cast<QQuick3DRepeater *>(object->property("repeater"));
QVERIFY(repeater);
if (delegateKind == Delegate::Untyped && modelKind == Model::Array)
QSKIP("Properties of objects in arrays are not exposed as context properties");
if (access == QQmlDelegateModel::ReadOnly) {
const QRegularExpression message(
url.toString() + ":[0-9]+: TypeError: Cannot assign to read-only property \"a\"");
QTest::ignoreMessage(QtWarningMsg, message);
if (delegateKind == Delegate::Untyped)
QTest::ignoreMessage(QtWarningMsg, message);
}
object->setProperty("delegateModelAccess", access);
object->setProperty("modelIndex", modelKind);
object->setProperty("delegateIndex", delegateKind);
QObject *delegate = repeater->objectAt(0);
QVERIFY(delegate);
const bool modelWritable = access != QQmlDelegateModel::ReadOnly;
const bool immediateWritable = (delegateKind == Delegate::Untyped)
? access != QQmlDelegateModel::ReadOnly
: access == QQmlDelegateModel::ReadWrite;
double expected = 11;
QCOMPARE(delegate->property("immediateX").toDouble(), expected);
QCOMPARE(delegate->property("modelX").toDouble(), expected);
if (modelWritable)
expected = 3;
QMetaObject::invokeMethod(delegate, "writeThroughModel");
QCOMPARE(delegate->property("immediateX").toDouble(), expected);
QCOMPARE(delegate->property("modelX").toDouble(), expected);
if (immediateWritable)
expected = 1;
QMetaObject::invokeMethod(delegate, "writeImmediate");
// Writes to required properties always succeed, but might not be propagated to the model
QCOMPARE(delegate->property("immediateX").toDouble(),
delegateKind == Delegate::Untyped ? expected : 1);
QCOMPARE(delegate->property("modelX").toDouble(), expected);
}
QTEST_MAIN(tst_qquick3drepeater)
#include "tst_qquick3drepeater.moc"
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