1 files changed, 45 insertions, 0 deletions
diff --git a/sources/pyside6/tests/QtGui/qdatastream_gui_operators_test.py b/sources/pyside6/tests/QtGui/qdatastream_gui_operators_test.py
new file mode 100644
index 000000000..f2c86abf7
--- /dev/null
+++ b/sources/pyside6/tests/QtGui/qdatastream_gui_operators_test.py
@@ -0,0 +1,45 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+import os
+import sys
+import unittest
+
+from pathlib import Path
+sys.path.append(os.fspath(Path(__file__).resolve().parents[1]))
+from init_paths import init_test_paths
+init_test_paths(False)
+
+from PySide6.QtCore import QDataStream, QByteArray, QIODevice, Qt
+from PySide6.QtGui import QPixmap, QColor
+
+from helper.usesqapplication import UsesQApplication
+
+
+class QPixmapQDatastream(UsesQApplication):
+    '''QDataStream <<>> QPixmap'''
+
+    def setUp(self):
+        super(QPixmapQDatastream, self).setUp()
+        self.source_pixmap = QPixmap(100, 100)
+        # PYSIDE-1533: Use Qt.transparent to force Format_ARGB32_Premultiplied
+        # when converting to QImage in any case.
+        self.source_pixmap.fill(Qt.transparent)
+        self.output_pixmap = QPixmap()
+        self.buffer = QByteArray()
+        self.read_stream = QDataStream(self.buffer, QIODevice.ReadOnly)
+        self.write_stream = QDataStream(self.buffer, QIODevice.WriteOnly)
+
+    def testStream(self):
+        self.write_stream << self.source_pixmap
+
+        self.read_stream >> self.output_pixmap
+
+        image = self.output_pixmap.toImage()
+        pixel = image.pixel(10, 10)
+        self.assertEqual(pixel, QColor(Qt.transparent).rgba())
+        self.assertEqual(self.source_pixmap.toImage(), image)
+
+
+if __name__ == '__main__':
+    unittest.main()