def test_index_var_basic(self):
b = FakeBox()
i = IndexVar(b, 1, 1, 0)
j = IndexVar(b, 1, 1, 0)
assert i.is_identity()
assert i.same_variable(j)
assert i.constant_diff(j) == 0
def test_index_var_basic(self):
b = FakeBox()
i = IndexVar(b,1,1,0)
j = IndexVar(b,1,1,0)
assert i.is_identity()
assert i.same_variable(j)
assert i.constant_diff(j) == 0
def test_index_var_diff(self):
b = FakeBox()
i = IndexVar(b, 4, 2, 0)
j = IndexVar(b, 1, 1, 1)
assert not i.is_identity()
assert not j.is_identity()
assert not i.same_mulfactor(j)
assert i.constant_diff(j) == -1
def test_index_var_diff(self):
b = FakeBox()
i = IndexVar(b,4,2,0)
j = IndexVar(b,1,1,1)
assert not i.is_identity()
assert not j.is_identity()
assert not i.same_mulfactor(j)
assert i.constant_diff(j) == -1
