def test_both_dead(self):
"Test removing a both node when one side is dead"
t = ast.Constant(True)
f = ast.Constant(False)
# Should reduce to left
n = ast.Both(t, f)
c, r = optimizer.optimization_pass(n)
assert c == 1
assert r is t
# Should reduce to right
n = ast.Both(f, t)
c, r = optimizer.optimization_pass(n)
assert c == 1
assert r is t
def test_both_all_false(self):
"Test removing a both node when both sides are false"
f = ast.Constant(False)
n = ast.Both(f, f)
# Should reduce to False
c, r = optimizer.optimization_pass(n)
assert c == 1
assert isinstance(r, ast.Constant)
assert r.value == False
def test_iterall_true(self):
c1 = ast.Constant(False)
c2 = ast.Constant(True)
n = ast.Both(c1, c2)
assert n.evaluate(MockPred(), {}) == True
def test_both_false(self):
c1 = ast.Constant(False)
c2 = ast.Constant(False)
n = ast.Both(c1, c2)
assert n.evaluate(MockPred(), {}) == False