Example #1
0
    def _check_bitarray(self, data_set):
        '''Check the >> operator for the given data set'''

        for data, expectedStatus, expectedString in data_set:
            stream = QDataStream(data, QIODevice.ReadOnly)
            string = QBitArray()
            stream >> string

            self.assertEqual(stream.status(), expectedStatus)
            self.assertEqual(string.size(), expectedString.size())
            self.assertEqual(string, expectedString)
Example #2
0
    def setUp(self):
        #Acquire resources
        self.qbitarray = QBitArray(3)
        self.qbitarray_values = [True, False, False]
        # WARNING: do not pythonify the following loop
        for i in range(len(self.qbitarray_values)):
            self.qbitarray.setBit(i, self.qbitarray_values[i])

        self.inverted_qbitarray_values = [not bit for bit in self.qbitarray_values]

        self.other_qbitarray = QBitArray(3)
        self.other_qbitarray_values = [True, True, False]
        # WARNING: do not pythonify the following loop
        for i in range(len(self.other_qbitarray_values)):
            self.other_qbitarray.setBit(i, self.other_qbitarray_values[i])
Example #3
0
def create_bitarray(string):
    array = QBitArray(len(string))
    for i, char in enumerate(string):
        array.setBit(i, char != '0')
    return array
Example #4
0
class QBitArrayIsIterableTest(unittest.TestCase):
    '''Tests if QBitArray class is iterable and also '~' (__invert__) and bitwise operators'''

    def setUp(self):
        #Acquire resources
        self.qbitarray = QBitArray(3)
        self.qbitarray_values = [True, False, False]
        # WARNING: do not pythonify the following loop
        for i in range(len(self.qbitarray_values)):
            self.qbitarray.setBit(i, self.qbitarray_values[i])

        self.inverted_qbitarray_values = [not bit for bit in self.qbitarray_values]

        self.other_qbitarray = QBitArray(3)
        self.other_qbitarray_values = [True, True, False]
        # WARNING: do not pythonify the following loop
        for i in range(len(self.other_qbitarray_values)):
            self.other_qbitarray.setBit(i, self.other_qbitarray_values[i])

    def tearDown(self):
        #Release resources
        del self.qbitarray
        del self.other_qbitarray
        del self.qbitarray_values
        del self.other_qbitarray_values
        del self.inverted_qbitarray_values

    def testQBitArrayIsIterable(self):
        #Tests if QBitArray class is iterable
        qbitarray_is_iterable = True
        try:
            bitarray = [bit for bit in self.qbitarray]
        except:
            qbitarray_is_iterable = False
        self.assertTrue(qbitarray_is_iterable)

    def testQBitArrayInvertOperator(self):
        #Tests QBitArray '~' (__invert__) operator
        inverted_qbitarray = ~self.qbitarray
        # WARNING: do not pythonify the following loop, the
        # iterability of QBitArray class is tested in another place
        inverted_qbitarray_values = bool_list_from_qbitarray(inverted_qbitarray)
        self.assertEqual(self.inverted_qbitarray_values, inverted_qbitarray_values)

    def testQBitArrayOrBitwiseOperator(self):
        #Tests QBitArray '|' (or) operator
        has_or_bitwise_operator = True
        ored_qbitarray, ored_bool_list = None, None
        try:
            ored_qbitarray = self.qbitarray | self.other_qbitarray
            ored_bool_list = [b1 | b2 for b1, b2 in zip(self.qbitarray_values, self.other_qbitarray_values)]
        except:
            has_or_bitwise_operator = False
        self.assertTrue(has_or_bitwise_operator)
        self.assertEqual(bool_list_from_qbitarray(ored_qbitarray), ored_bool_list)

    def testQBitArrayAndBitwiseOperator(self):
        #Tests QBitArray '&' (and) operator
        has_and_bitwise_operator = True
        anded_qbitarray, anded_bool_list = None, None
        try:
            anded_qbitarray = self.qbitarray | self.other_qbitarray
            anded_bool_list = [b1 | b2 for b1, b2 in zip(self.qbitarray_values, self.other_qbitarray_values)]
        except:
            has_and_bitwise_operator = False
        self.assertTrue(has_and_bitwise_operator)
        self.assertEqual(bool_list_from_qbitarray(anded_qbitarray), anded_bool_list)

    def testQBitArrayXorBitwiseOperator(self):
        #Tests QBitArray '^' (xor) operator
        has_xor_bitwise_operator = True
        xored_qbitarray, xored_bool_list = None, None
        try:
            xored_qbitarray = self.qbitarray | self.other_qbitarray
            xored_bool_list = [b1 | b2 for b1, b2 in zip(self.qbitarray_values, self.other_qbitarray_values)]
        except:
            has_xor_bitwise_operator = False
        self.assertTrue(has_xor_bitwise_operator)
        self.assertEqual(bool_list_from_qbitarray(xored_qbitarray), xored_bool_list)
Example #5
0
 def create_bitarray(self, values):
     '''helper function to create a bit array'''
     obj = QBitArray(len(values))
     for i, value in enumerate(values):
         obj.setBit(i, value)
     return obj