def test_freeze(self):
"""MutableBitvector freeze should return immutable bv with same data"""
b = MutableBitvector("111")
b[1] = 0
c = b.freeze()
self.assertSameObj(c, b._handler)
self.assertEqual(c, Bitvector("101"))
try:
c[1] = 1
except TypeError:
pass
else:
raise AssertionError, "MutableBitvector.freeze() returned mutable object."
def test_thaw(self):
"""MutableBitvector thaw should return same object"""
v = MutableBitvector()
self.assertSameObj(v.thaw(), v)
def test_repr(self):
"""MutableBitvector repr should look like a normal object"""
v = MutableBitvector(3, 10)
v_id = str(hex(id(v)))
expected = '<cogent.core.bitvector.MutableBitvector object at'
self.assertTrue( ` v `.startswith(expected))
def test_thaw(self):
"""MutableBitvector thaw should return same object"""
v = MutableBitvector()
self.assertSameObj(v.thaw(), v)
def test_str(self):
"""MutableBitvector str should match expected results"""
vecs = [MutableBitvector(i, 0) for i in [0, 1, 2, 7, 8, 1024, 814715L]]
for v in vecs:
self.assertEqual(str(v), '')
vecs = [
MutableBitvector(i, 1)
for i in [0, 1, 2, 7, 8, 1024, 814715L, '1' * 50]
]
single_results = list('01010011')
for exp, vec in zip(single_results, vecs):
self.assertEqual(str(vec), exp)
vecs = [
MutableBitvector(i, 3)
for i in [0, 1, 2, 7, 8, 1024, 814715L, '1' * 50]
]
three_results = [
'000', '001', '010', '111', '000', '000', '011', '111'
]
for exp, vec in zip(three_results, vecs):
self.assertEqual(str(vec), exp)
#should pad or truncate to the correct length
self.assertEqual(str(MutableBitvector(814715, 20)),
'11000110111001111011')
self.assertEqual(str(MutableBitvector(814715, 10)), '1001111011')
self.assertEqual(str(MutableBitvector(8, 10)), '0000001000')
self.assertEqual(str(MutableBitvector('1' * 50)), '1' * 50)