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#!/usr/bin/python
'''Test cases for QFlags'''
import unittest
from PySide.QtCore import *
class QFlagTest(unittest.TestCase):
'''Test case for usage of flags'''
def testCallFunction(self):
f = QTemporaryFile()
self.assert_(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.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.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.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.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)
def testOperatorBetweenFlags(self):
'''QFlags & QFlags'''
flags = Qt.NoItemFlags | Qt.ItemIsUserCheckable
newflags = Qt.NoItemFlags | Qt.ItemIsUserCheckable
self.assert_(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")), int)
class QFlagsWrongType(unittest.TestCase):
def testWrongType(self):
'''Wrong type passed to QFlags binary operators'''
self.assertRaises(TypeError, lambda :Qt.NoItemFlags | '43')
self.assertRaises(TypeError, lambda :Qt.NoItemFlags & '43')
self.assertRaises(TypeError, lambda :'jabba' & Qt.NoItemFlags)
self.assertRaises(TypeError, lambda :'hut' & Qt.NoItemFlags)
self.assertRaises(TypeError, lambda :Qt.NoItemFlags & QObject())
if __name__ == '__main__':
unittest.main()
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