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#!/usr/bin/python
#############################################################################
##
## Copyright (C) 2016 The Qt Company Ltd.
## Contact: https://www.qt.io/licensing/
##
## This file is part of the test suite of PySide2.
##
## $QT_BEGIN_LICENSE:GPL-EXCEPT$
## Commercial License Usage
## Licensees holding valid commercial Qt licenses may use this file in
## accordance with the commercial license agreement provided with the
## Software or, alternatively, in accordance with the terms contained in
## a written agreement between you and The Qt Company. For licensing terms
## and conditions see https://www.qt.io/terms-conditions. For further
## information use the contact form at https://www.qt.io/contact-us.
##
## GNU General Public License Usage
## Alternatively, this file may be used under the terms of the GNU
## General Public License version 3 as published by the Free Software
## Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
## included in the packaging of this file. Please review the following
## information to ensure the GNU General Public License requirements will
## be met: https://www.gnu.org/licenses/gpl-3.0.html.
##
## $QT_END_LICENSE$
##
#############################################################################
'''Test cases for QFlags'''
import unittest
from PySide2.QtCore import Qt, QTemporaryFile, QFile, QIODevice, QObject
class QFlagTest(unittest.TestCase):
'''Test case for usage of flags'''
def testCallFunction(self):
f = QTemporaryFile()
self.assertTrue(f.open())
fileName = f.fileName()
f.close()
f = QFile(fileName)
self.assertEqual(f.open(QIODevice.Truncate | QIODevice.Text | QIODevice.ReadWrite), True)
om = f.openMode()
self.assertEqual(om & QIODevice.Truncate, QIODevice.Truncate)
self.assertEqual(om & QIODevice.Text, QIODevice.Text)
self.assertEqual(om & QIODevice.ReadWrite, QIODevice.ReadWrite)
self.assertTrue(om == QIODevice.Truncate | QIODevice.Text | QIODevice.ReadWrite)
f.close()
class QFlagOperatorTest(unittest.TestCase):
'''Test case for operators in QFlags'''
def testInvert(self):
'''QFlags ~ (invert) operator'''
self.assertEqual(type(~QIODevice.ReadOnly), QIODevice.OpenMode)
def testOr(self):
'''QFlags | (or) operator'''
self.assertEqual(type(QIODevice.ReadOnly | QIODevice.WriteOnly), QIODevice.OpenMode)
def testAnd(self):
'''QFlags & (and) operator'''
self.assertEqual(type(QIODevice.ReadOnly & QIODevice.WriteOnly), QIODevice.OpenMode)
def testIOr(self):
'''QFlags |= (ior) operator'''
flag = Qt.WindowFlags()
self.assertTrue(Qt.Widget == 0)
self.assertFalse(flag & Qt.Widget)
result = flag & Qt.Widget
self.assertTrue(result == 0)
flag |= Qt.WindowMinimizeButtonHint
self.assertTrue(flag & Qt.WindowMinimizeButtonHint)
def testInvertOr(self):
'''QFlags ~ (invert) operator over the result of an | (or) operator'''
self.assertEqual(type(~(Qt.ItemIsSelectable | Qt.ItemIsEditable)), Qt.ItemFlags)
def testEqual(self):
'''QFlags == operator'''
flags = Qt.Window
flags |= Qt.WindowMinimizeButtonHint
flag_type = (flags & Qt.WindowType_Mask)
self.assertEqual(flag_type, Qt.Window)
self.assertEqual(Qt.KeyboardModifiers(Qt.ControlModifier), Qt.ControlModifier)
def testOperatorBetweenFlags(self):
'''QFlags & QFlags'''
flags = Qt.NoItemFlags | Qt.ItemIsUserCheckable
newflags = Qt.NoItemFlags | Qt.ItemIsUserCheckable
self.assertTrue(flags & newflags)
def testOperatorDifferentOrder(self):
'''Different ordering of arguments'''
flags = Qt.NoItemFlags | Qt.ItemIsUserCheckable
self.assertEqual(flags | Qt.ItemIsEnabled, Qt.ItemIsEnabled | flags)
class QFlagsOnQVariant(unittest.TestCase):
def testQFlagsOnQVariant(self):
o = QObject()
o.setProperty("foo", QIODevice.ReadOnly | QIODevice.WriteOnly)
self.assertEqual(type(o.property("foo")), QIODevice.OpenMode)
class QFlagsWrongType(unittest.TestCase):
def testWrongType(self):
'''Wrong type passed to QFlags binary operators'''
self.assertRaises(TypeError, Qt.NoItemFlags | '43')
self.assertRaises(TypeError, Qt.NoItemFlags & '43')
self.assertRaises(TypeError, 'jabba' & Qt.NoItemFlags)
self.assertRaises(TypeError, 'hut' & Qt.NoItemFlags)
self.assertRaises(TypeError, Qt.NoItemFlags & QObject())
if __name__ == '__main__':
unittest.main()
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