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#!/usr/bin/python
'''Test cases for QFlags'''
import unittest
from PySide.QtCore import QIODevice, Qt, QFile
class QFlagTest(unittest.TestCase):
'''Test case for usage of flags'''
def testCallFunction(self):
f = QFile("/tmp/t0");
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.assert_(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.assert_(isinstance(~QIODevice.ReadOnly, QIODevice.OpenMode))
def testOr(self):
'''QFlags | (or) operator'''
self.assert_(isinstance(QIODevice.ReadOnly | QIODevice.WriteOnly, QIODevice.OpenMode))
def testAnd(self):
'''QFlags & (and) operator'''
self.assert_(isinstance(QIODevice.ReadOnly & QIODevice.WriteOnly, QIODevice.OpenMode))
def testIOr(self):
'''QFlags |= (ior) operator'''
flag = Qt.WindowFlags()
self.assert_(flag & Qt.Widget == 0)
flag |= Qt.WindowMinimizeButtonHint
self.assert_(flag & Qt.WindowMinimizeButtonHint)
def testInvertOr(self):
'''QFlags ~ (invert) operator over the result of an | (or) operator'''
self.assert_(isinstance(~(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)
if __name__ == '__main__':
unittest.main()
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