tst_skymaterial.cpp

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// Copyright (C) 2026 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

#include <QTest>

#include <QQuickView>

#include <QQuickWindow>

#include "../shared/util.h"

class tst_SkyMaterial : public QQuick3DDataTest

    Q_OBJECT

private slots:

    void initTestCase() override;

    void reloadDoesNotCrash();

};

void tst_SkyMaterial::initTestCase()

    QQuick3DDataTest::initTestCase();

    if (!initialized())

        return;

void tst_SkyMaterial::reloadDoesNotCrash()

    // Regression test for QTBUG-149007 (see skymaterial_reload.qml). It's a

    // use-after-free, so a clean run here isn't a guarantee -- this mainly

    // pays off under ASan/UBSan or QSG_RHI_DEBUG_LAYER=1 QSG_RHI_BACKEND=vulkan.

    QScopedPointer<QQuickView> view(createView(QLatin1String("skymaterial_reload.qml"), QSize(64, 64)));

    QVERIFY(view);

    QVERIFY(QTest::qWaitForWindowExposed(view.data()));

    QObject *rootObject = view->rootObject();

    QVERIFY(rootObject);

    // Toggle every frame to repeatedly hit the crash window.

    for (int i = 0; i < 20; ++i) {

        rootObject->setProperty("useReadyMaterial", (i % 2) == 0);

        QImage frame = grab(view.data());

        QVERIFY(!frame.isNull());

QTEST_MAIN(tst_SkyMaterial)

#include "tst_skymaterial.moc"