def testMinus(self):
h1 = headerspace(1)
h1.add_hs(wildcard_create_from_string("1001xxxx"))
h2 = headerspace(1)
h2.add_hs(wildcard_create_from_string("100xx000"))
h1.minus(h2)
self.assertEqual(h1.count(),3)
def testCreate(self):
'''
Test if creating a headerspace object creates correct number of
bytearrays inside.
'''
h = headerspace(1)
h.add_hs(wildcard_create_from_string("1001xxxx"))
h.add_hs(wildcard_create_from_string("11xxxx11"))
self.assertEqual(h.count(),2)
def testComplement(self):
'''
Test if complement correctly handles diffs
'''
h = headerspace(1)
h.add_hs(wildcard_create_from_string("1001xxxx"))
h.diff_hs(wildcard_create_from_string("100xx000"))
h.complement()
self.assertEqual(h.count(),5)
def testSelfDiff(self):
h = headerspace(1)
h.add_hs(wildcard_create_from_string("1001xxxx"))
h.add_hs(wildcard_create_from_string("11xxxx11"))
h.diff_hs(wildcard_create_from_string("100xxx00"))
h.diff_hs(wildcard_create_from_string("1xxxx111"))
h.self_diff()
self.assertEqual(h.count(),5)
self.assertEqual(h.count_diff(),0)
def testRW1(self):
tf = TF(1)
tf.add_rewrite_rule(TF.create_standard_rule([1], "10xxxxxx", [2], \
"10011111", "01100000"))
hs = headerspace(1)
hs.add_hs(wildcard_create_from_string("1001xxxx"))
result = tf.T(hs, 1)
self.assertEqual(len(result), 1)
self.assert_(wildcard_is_equal(result[0][0].hs_list[0],\
wildcard_create_from_string("1111xxxx")))
def testIntersect1(self):
'''
Test intersect with a bytearray
'''
h = headerspace(1)
h.add_hs(wildcard_create_from_string("1001xxxx"))
h.add_hs(wildcard_create_from_string("11xxxx11"))
h.diff_hs(wildcard_create_from_string("100xx000"))
h.diff_hs(wildcard_create_from_string("1xxx1x11"))
h.intersect(wildcard_create_from_string("xxxxx011"))
self.assertEqual(h.count(),2)
self.assertEqual(h.count_diff(),2)
def testDependency(self):
tf = TF(1)
tf.add_fwd_rule(TF.create_standard_rule([1], "10xxxxxx", [2], \
None, None))
tf.add_rewrite_rule(TF.create_standard_rule([1], "1xxxxxxx", [3], "00111111", "10000000","",[]))
hs = headerspace(1)
hs.add_hs(wildcard_create_from_string("xxxxxxxx"))
result = tf.T(hs, 1)
self.assertEqual(len(result), 2, "Expecting both rules to be matched")
self.assertTrue(wildcard_is_equal(
result[1][0].hs_list[0],\
wildcard_create_from_string("10xxxxxx"),\
), \
"unexpected second byte array")
def testDiffHS(self):
'''
Test the diff (lazy subtraction):
1) adding a diff before having anything doesn't add any diff to hs
2) adding a diff actually adds correct number of diff bytearrays
3) adding a new bytearray that has intersection with a previously added
diff doesn't add that diff to the new bytearray.
'''
h = headerspace(1)
h.diff_hs(wildcard_create_from_string("1001xxxx"))
h.add_hs(wildcard_create_from_string("1001xxxx"))
h.add_hs(wildcard_create_from_string("11xxxx11"))
self.assertEqual(h.count_diff(),0)
h.diff_hs(wildcard_create_from_string("1xxx1111"))
self.assertEqual(h.count_diff(),2)
h.add_hs(wildcard_create_from_string("xxxxxx11"))
self.assertEqual(h.count_diff(),2)
def testInverse(self):
tf = TF(1)
tf.add_rewrite_rule(TF.create_standard_rule([1], "10xxxxxx", [2], \
"10011111", "01100000"))
hs = headerspace(1)
hs.add_hs(wildcard_create_from_string("111xxxxx"))
hs.diff_hs(wildcard_create_from_string("1110xxxx"))
result = tf.T_inv(hs, 2)
self.assertEqual(len(result), 1)
self.assertEqual(result[0][0].count(),1)
self.assertEqual(result[0][0].count_diff(),1)
self.assert_(wildcard_is_equal(result[0][0].hs_list[0],\
wildcard_create_from_string("10xxxxxx"),\
))
self.assert_(wildcard_is_equal(result[0][0].hs_diff[0][0],\
wildcard_create_from_string("10x0xxxx"),\
))
def testCopy(self):
'''
Test if copy works correctly
Adding new stuff on the original hs, doesn't affect copied hs.
'''
h = headerspace(1)
h.add_hs(wildcard_create_from_string("1001xxxx"))
h.add_hs(wildcard_create_from_string("11xxxx11"))
h.diff_hs(wildcard_create_from_string("100x0000"))
h.diff_hs(wildcard_create_from_string("1xxx1111"))
hcpy = h.copy()
self.assertEqual(h.count(),hcpy.count())
self.assertEqual(h.count_diff(),hcpy.count_diff())
h.add_hs(wildcard_create_from_string("100100xx"))
self.assertEqual(h.count(),3)
self.assertEqual(h.count_diff(),3)
self.assertEqual(hcpy.count(),2)
self.assertEqual(h.count_diff(),3)
def testContainedIn(self):
h1 = headerspace(1)
h1.add_hs(wildcard_create_from_string("1001xxxx"))
h1.diff_hs(wildcard_create_from_string("1xxxx111"))
h2 = headerspace(1)
h2.add_hs(wildcard_create_from_string("1001xxxx"))
h2.add_hs(wildcard_create_from_string("11xxxx11"))
h2.diff_hs(wildcard_create_from_string("100xxx00"))
h2.diff_hs(wildcard_create_from_string("1xxxx111"))
self.assertTrue(h1.is_contained_in(h2))
self.assertFalse(h2.is_contained_in(h1))
def testIntersect2(self):
'''
Test intersect with a headerspace
'''
h = headerspace(1)
h.add_hs(wildcard_create_from_string("1001xxxx"))
h.add_hs(wildcard_create_from_string("11xxxx11"))
h.diff_hs(wildcard_create_from_string("100xx000"))
h.diff_hs(wildcard_create_from_string("1xxx1x11"))
other = headerspace(1)
other.add_hs(wildcard_create_from_string("10xxxxx1"))
other.diff_hs(wildcard_create_from_string("10010xxx"))
h.intersect(other)
self.assertEqual(other.count(),1)
self.assertEqual(other.count_diff(),1)
self.assertEqual(h.count(),1)
self.assertEqual(h.count_diff(),2)