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#!/usr/bin/env python
import unittest
import sys
sys.path.insert(0, '..')
from bitstring import ByteStore, ConstByteStore, equal, offsetcopy
class OffsetCopy(unittest.TestCase):
def testStraightCopy(self):
s = ByteStore(bytearray([10, 5, 1]), 24, 0)
t = offsetcopy(s, 0)
self.assertEqual(t._rawarray, bytearray([10, 5, 1]))
def testOffsetIncrease(self):
s = ByteStore(bytearray([1, 1, 1]), 24, 0)
t = offsetcopy(s, 4)
self.assertEqual(t.bitlength, 24)
self.assertEqual(t.offset, 4)
self.assertEqual(t._rawarray, bytearray([0, 16, 16, 16]))
class Equals(unittest.TestCase):
def testBothSingleByte(self):
s = ByteStore(bytearray([128]), 3, 0)
t = ByteStore(bytearray([64]), 3, 1)
u = ByteStore(bytearray([32]), 3, 2)
self.assertTrue(equal(s, t))
self.assertTrue(equal(s, u))
self.assertTrue(equal(u, t))
def testOneSingleByte(self):
s = ByteStore(bytearray([1, 0]), 2, 7)
t = ByteStore(bytearray([64]), 2, 1)
self.assertTrue(equal(s, t))
self.assertTrue(equal(t, s))
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