1 files changed, 64 insertions, 0 deletions
diff --git a/tests/auto/unit/multimedia/qscreencapture/tst_qscreencapture.cpp b/tests/auto/unit/multimedia/qscreencapture/tst_qscreencapture.cpp
new file mode 100644
index 000000000..ad574ddf6
--- /dev/null
+++ b/tests/auto/unit/multimedia/qscreencapture/tst_qscreencapture.cpp
@@ -0,0 +1,64 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+
+// TESTED_COMPONENT=src/multimedia
+
+#include <QtTest/QtTest>
+#include <QDebug>
+
+#include "qmockintegration.h"
+#include "qscreencapture.h"
+#include "qmocksurfacecapture.h"
+#include "qatomic.h"
+
+QT_USE_NAMESPACE
+
+Q_ENABLE_MOCK_MULTIMEDIA_PLUGIN
+
+class tst_QScreenCapture : public QObject
+{
+    Q_OBJECT
+
+private:
+    // Use custom waiting instead of QSignalSpy since the spy tries copying not sharable object
+    // QVideoFrame to QVariant and gets an assert
+    bool waitForFrame(QPlatformSurfaceCapture &psc)
+    {
+        QAtomicInteger<bool> newFrameReceived = false;
+        QObject o;
+        auto connection = connect(&psc, &QPlatformSurfaceCapture::newVideoFrame, &o,
+                                  [&newFrameReceived]() { newFrameReceived = true; });
+
+        return QTest::qWaitFor([&newFrameReceived]() { return newFrameReceived; });
+    }
+
+private slots:
+    void destructionOfActiveCapture();
+
+};
+
+void tst_QScreenCapture::destructionOfActiveCapture()
+{
+    // Run a few times in order to catch random UB on deletion
+    for (int i = 0; i < 10; ++i) {
+        auto sc = std::make_unique<QScreenCapture>();
+        QPointer<QPlatformSurfaceCapture> psc = QMockIntegration::instance()->lastScreenCapture();
+        QVERIFY(psc);
+
+        sc->setActive(true);
+
+        QVERIFY(waitForFrame(*psc));
+
+        QSignalSpy spy(sc.get(), &QScreenCapture::activeChanged);
+
+        psc->setParent(nullptr);
+        sc.reset();
+
+        QVERIFY2(spy.empty(), "No signals from QScreenCapture are expected on deletion");
+        QVERIFY2(!psc, "Platform screen capture must be deleted whether or not it has a parent");
+    }
+}
+
+QTEST_MAIN(tst_QScreenCapture)
+
+#include "tst_qscreencapture.moc"