#!/usr/bin/python

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##
## Copyright (C) 2016 The Qt Company Ltd.
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## This file is part of the test suite of Qt for Python.
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'''Test cases for QEnum and QFlags'''

import unittest

from PySide2.QtCore import *

class TestEnum(unittest.TestCase):

    def testToInt(self):
        self.assertEqual(QIODevice.NotOpen, 0)
        self.assertEqual(QIODevice.ReadOnly, 1)
        self.assertEqual(QIODevice.WriteOnly, 2)
        self.assertEqual(QIODevice.ReadWrite, 1 | 2)
        self.assertEqual(QIODevice.Append, 4)
        self.assertEqual(QIODevice.Truncate, 8)
        self.assertEqual(QIODevice.Text, 16)
        self.assertEqual(QIODevice.Unbuffered, 32)

    def testToIntInFunction(self):
        self.assertEqual(str(int(QIODevice.WriteOnly)), "2")

    def testOperations(self):
        k = Qt.Key.Key_1

        # Integers
        self.assertEqual(k + 2, 2 + k)
        self.assertEqual(k - 2, -(2 - k))
        self.assertEqual(k * 2, 2 * k)

        # Floats
        with self.assertRaises(TypeError):
            a = k+2.0

        with self.assertRaises(TypeError):
            a = k-2.0

        with self.assertRaises(TypeError):
            a = k*2.0

class TestQFlags(unittest.TestCase):
    def testToItn(self):
        om = QIODevice.NotOpen

        self.assertEqual(om, QIODevice.NotOpen)
        self.assertTrue(om == 0)

        self.assertTrue(om != QIODevice.ReadOnly)
        self.assertTrue(om != 1)

    def testToIntInFunction(self):
        om = QIODevice.WriteOnly
        self.assertEqual(int(om), 2)

    def testNonExtensibleEnums(self):
        try:
            om = QIODevice.OpenMode(QIODevice.WriteOnly)
            self.assertFail()
        except:
            pass

if __name__ == '__main__':
    unittest.main()
