1 files changed, 92 insertions, 0 deletions
diff --git a/sources/pyside6/tests/QtCore/qtextstream_test.py b/sources/pyside6/tests/QtCore/qtextstream_test.py
new file mode 100644
index 000000000..d4ed94e14
--- /dev/null
+++ b/sources/pyside6/tests/QtCore/qtextstream_test.py
@@ -0,0 +1,92 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+'''Unit tests for QTextStream'''
+
+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 QByteArray, QTextStream, QIODevice, QFile
+
+
+class QTextStreamShiftTest(unittest.TestCase):
+
+    def setUp(self):
+        self.ba = QByteArray()
+        self.read = QTextStream(self.ba, QIODevice.ReadOnly)
+        self.write = QTextStream(self.ba, QIODevice.WriteOnly)
+
+    def testNumber(self):
+        '''QTextStream << number'''
+
+        self.write << '4'
+        self.write.flush()
+        res = self.read.readLine()
+        self.assertTrue(isinstance(res, str))
+        self.assertEqual(res, '4')
+
+
+class QTextStreamGetSet(unittest.TestCase):
+
+    def setUp(self):
+        self.obj = QTextStream()
+
+    def testDevice(self):
+        '''QTextStream get/set Device'''
+        device = QFile()
+        self.obj.setDevice(device)
+        self.assertEqual(device, self.obj.device())
+        self.obj.setDevice(None)
+        self.assertEqual(None, self.obj.device())
+
+
+class QTextStreamInitialization(unittest.TestCase):
+
+    def testConstruction(self):
+        '''QTextStream construction'''
+        obj = QTextStream()
+
+        self.assertEqual(obj.device(), None)
+        self.assertEqual(obj.string(), None)
+
+        self.assertTrue(obj.atEnd())
+        self.assertEqual(obj.readAll(), '')
+
+
+class QTextStreamReadLinesFromDevice(unittest.TestCase):
+
+    def _check_data(self, data_set):
+
+        for data, lines in data_set:
+            stream = QTextStream(data)
+
+            res = []
+            while not stream.atEnd():
+                res.append(stream.readLine())
+
+            self.assertEqual(res, lines)
+
+    def testLatin1(self):
+        '''QTextStream readLine for simple Latin1 strings'''
+
+        data = []
+
+        data.append((QByteArray(), []))
+        data.append((QByteArray(bytes('\n', "UTF-8")), ['']))
+        data.append((QByteArray(bytes('\r\n', "UTF-8")), ['']))
+        data.append((QByteArray(bytes('ole', "UTF-8")), ['ole']))
+        data.append((QByteArray(bytes('ole\n', "UTF-8")), ['ole']))
+        data.append((QByteArray(bytes('ole\r\n', "UTF-8")), ['ole']))
+        data.append((QByteArray(bytes('ole\r\ndole\r\ndoffen', "UTF-8")), ['ole', 'dole', 'doffen']))
+
+        self._check_data(data)
+
+
+if __name__ == '__main__':
+    unittest.main()