1 files changed, 58 insertions, 0 deletions
diff --git a/tests/auto/unit/multimedia/qmediadevices/tst_qmediadevices.cpp b/tests/auto/unit/multimedia/qmediadevices/tst_qmediadevices.cpp
new file mode 100644
index 000000000..9767c0e73
--- /dev/null
+++ b/tests/auto/unit/multimedia/qmediadevices/tst_qmediadevices.cpp
@@ -0,0 +1,58 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+
+#include <QtTest/QtTest>
+#include <QDebug>
+
+#include <qmediadevices.h>
+
+#include "qmockintegration.h"
+
+QT_USE_NAMESPACE
+
+Q_ENABLE_MOCK_MULTIMEDIA_PLUGIN
+
+class tst_QMediaDevices : public QObject
+{
+    Q_OBJECT
+
+private slots:
+    void videoInputsChangedEmitted_whenCamerasChanged();
+    void onlyVideoInputsChangedEmitted_when2MediaDevicesCreated_andCamerasChanged();
+};
+
+void tst_QMediaDevices::videoInputsChangedEmitted_whenCamerasChanged()
+{
+    QMediaDevices mediaDevices;
+    QSignalSpy videoInputsSpy(&mediaDevices, &QMediaDevices::videoInputsChanged);
+
+    QCOMPARE(videoInputsSpy.size(), 0);
+
+    QMockIntegration::instance()->addNewCamera();
+    QTRY_COMPARE(videoInputsSpy.size(), 1);
+
+    QMockIntegration::instance()->addNewCamera();
+    QCOMPARE(videoInputsSpy.size(), 2);
+}
+
+void tst_QMediaDevices::onlyVideoInputsChangedEmitted_when2MediaDevicesCreated_andCamerasChanged()
+{
+    QMediaDevices mediaDevicesA;
+    QMediaDevices mediaDevicesB;
+
+    QSignalSpy videoInputsSpyA(&mediaDevicesA, &QMediaDevices::videoInputsChanged);
+    QSignalSpy videoInputsSpyB(&mediaDevicesB, &QMediaDevices::videoInputsChanged);
+    QSignalSpy audioInputsSpy(&mediaDevicesA, &QMediaDevices::audioInputsChanged);
+    QSignalSpy audioOutputsSpy(&mediaDevicesA, &QMediaDevices::audioOutputsChanged);
+
+    QMockIntegration::instance()->addNewCamera();
+    QCOMPARE(videoInputsSpyA.size(), 1);
+    QCOMPARE(videoInputsSpyB.size(), 1);
+
+    QCOMPARE(audioInputsSpy.size(), 0);
+    QCOMPARE(audioOutputsSpy.size(), 0);
+}
+
+QTEST_MAIN(tst_QMediaDevices)
+
+#include "tst_qmediadevices.moc"