def test_001_nonimportant_bits_do_not_influence(self):
src = (numpy.random.randint(0, high=1024, size=30).astype(numpy.int32) << 1)
dst = numpy.ones([15], dtype = numpy.int32) * 0xFFFF
codeBench.transformSymbols(src, dst, 1, 2)
self.assertTrue((dst == 0).all())
def test_001_nonimportant_bits_do_not_influence(self):
src = (numpy.random.randint(0, high=1024, size=30).astype(numpy.int32)
<< 1)
dst = numpy.ones([15], dtype=numpy.int32) * 0xFFFF
codeBench.transformSymbols(src, dst, 1, 2)
self.assertTrue((dst == 0).all())
def test_002_random_test_correctness(self):
for srcNumBits in [1,2,7,8,31]:
for dstNumBits in [1,2,7,8,31]:
src = numpy.random.randint(0,
high=((1<<srcNumBits)-1),
size=31* 7 * 8 / srcNumBits).astype(numpy.int32)
dst = numpy.ones([31*7*8 / dstNumBits], dtype = numpy.int32) * 0x7FFFFFFF
codeBench.transformSymbols(src, dst, srcNumBits, dstNumBits)
# check all bits
for i in xrange(31*7*8):
self.assertEquals((src[i / srcNumBits] >> (i % srcNumBits)) & 0x1,
(dst[i / dstNumBits] >> (i % dstNumBits)) & 0x1)
def test_002_random_test_correctness(self):
for srcNumBits in [1, 2, 7, 8, 31]:
for dstNumBits in [1, 2, 7, 8, 31]:
src = numpy.random.randint(0,
high=((1 << srcNumBits) - 1),
size=31 * 7 * 8 /
srcNumBits).astype(numpy.int32)
dst = numpy.ones([31 * 7 * 8 / dstNumBits],
dtype=numpy.int32) * 0x7FFFFFFF
codeBench.transformSymbols(src, dst, srcNumBits, dstNumBits)
# check all bits
for i in xrange(31 * 7 * 8):
self.assertEquals(
(src[i / srcNumBits] >> (i % srcNumBits)) & 0x1,
(dst[i / dstNumBits] >> (i % dstNumBits)) & 0x1)