def testTestBit(self):
"""Test testBit() method."""
value = BitField(129)
self.assertTrue(value.testBit(0), "Value is %s" % value)
self.assertFalse(value.testBit(1), "Value is %s" % value)
self.assertTrue(value.testBit(7), "Value is %s" % value)
self.assertFalse(value.testBit(8), "Value is %s" % value)
def testToInt(self):
"""Test toInt() method."""
bitfield = BitField(65)
self.assertTrue(isinstance(bitfield, BitField))
i = bitfield.toInt()
self.assertTrue(isinstance(i, int))
self.assertTrue(i, 65)
def testTestBits(self):
"""Test testBits() method."""
value = BitField(15)
self.assertTrue(value.testBits(7), "Value is %s" % value)
self.assertFalse(value.testBits(24), "Value is %s" % value)
self.assertTrue(value.testBits(15), "Value is %s" % value)
self.assertFalse(value.testBits(31), "Value is %s" % value)
def testMask(self):
"""Test mask() method."""
m = BitField.mask(numBits=4)
self.assertTrue(isinstance(m, BitField))
self.assertEqual(m, 15, "mask value is %s" % m)
m = BitField.mask(numBits=2, offset=3)
self.assertEqual(m, 24, "mask value is %s" % m)
m = BitField.mask(numBits=7, offset=1)
self.assertEqual(m, 254, "mask value is %s" % m)
m = BitField.mask(numBits=2, offset=10)
self.assertEqual(m, 3072, "mask value is %s" % m)
def testFilterBits(self):
"""Test filterBits() method."""
value = BitField(255)
self.assertEqual(value, 255, "Value is %s" % value)
filtered = value.filterBits() # Should do nothing
self.assertEqual(filtered, 255)
filtered = value.filterBits(10) # Should do nothing
self.assertEqual(filtered, 255)
filtered = value.filterBits(5)
self.assertEqual(filtered, 223)
filtered = value.filterBits(3,2,1,0)
self.assertEqual(filtered, 240)
def testGetBitRange(self):
"""Test getBitRange() method."""
value = BitField(15)
self.assertEqual(value.getBitRange(numBits=3), 7)
self.assertEqual(value.getBitRange(numBits=5, offset=3, shift=True), 1)
self.assertEqual(value.getBitRange(numBits=2, offset=2, shift=True), 3)