Fix position property of QMediaPlayer on macOS/iOS

Seeking to a new position is asynchronous on macOS/iOS, so querying the
position after setting it would return a wrong value.

Fix this by remembering the requested position until the seek is
finished.

Fixes: QTBUG-96402
Change-Id: Ib03209fce422273a8274107f3b4d4fa1a06a8ed1
Reviewed-by: André de la Rocha <andre.rocha@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
(cherry picked from commit dbae07b55819192aa334ccc160b05519795d798f)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

1 files changed, 25 insertions, 0 deletions

diff --git a/tests/auto/integration/qmediaplayerbackend/tst_qmediaplayerbackend.cpp b/tests/auto/integration/qmediaplayerbackend/tst_qmediaplayerbackend.cpp
index 2f87f257e..ae371b026 100644
--- a/tests/auto/integration/qmediaplayerbackend/tst_qmediaplayerbackend.cpp
+++ b/tests/auto/integration/qmediaplayerbackend/tst_qmediaplayerbackend.cpp
@@ -81,6 +81,7 @@ private slots:
     void isSeekable();
     void positionAfterSeek();
     void videoDimensions();
+    void position();
 
 private:
     QUrl selectVideoFile(const QStringList& mediaCandidates);
@@ -1163,6 +1164,30 @@ void tst_QMediaPlayerBackend::videoDimensions()
     QCOMPARE(surface.videoSize().height(), 120);
 }
 
+void tst_QMediaPlayerBackend::position()
+{
+    TestVideoSink surface(true);
+    QMediaPlayer player;
+    player.setVideoOutput(&surface);
+    QVERIFY(!player.isSeekable());
+    player.setSource(localVideoFile);
+    QTRY_VERIFY(player.isSeekable());
+
+    player.play();
+    player.setPosition(1000);
+    QVERIFY(player.position() > 950);
+    QVERIFY(player.position() < 1050);
+    QTRY_VERIFY(player.position() > 1050);
+
+    player.pause();
+    player.setPosition(500);
+    QVERIFY(player.position() > 450);
+    QVERIFY(player.position() < 550);
+    QTest::qWait(200);
+    QVERIFY(player.position() > 450);
+    QVERIFY(player.position() < 550);
+}
+
 QTEST_MAIN(tst_QMediaPlayerBackend)
 #include "tst_qmediaplayerbackend.moc"