def test_overlaping_qubits():
moments = Moments([h(0), h(0)])
assert moments.depth == 2
moments.add([cnot(0, 3), h(1)])
assert moments.depth == 3
moments.add([cnot(2, 4)])
assert moments.depth == 3
def test_add():
moments = Moments()
moments.add([h(0)])
moments.add([h(0)])
expected = OrderedDict()
expected[MomentsKey(0, QubitSet(0), "gate", 0)] = h(0)
expected[MomentsKey(1, QubitSet(0), "gate", 0)] = h(0)
assert OrderedDict(moments) == expected
def test_depth():
moments = Moments([h(0), h(1)])
assert moments.depth == 1
moments.add([cnot(0, 2), h(3)])
assert moments.depth == 2
def test_constructor_with_instructions():
moments = Moments([h(0), h(1)])
expected = Moments()
expected.add([h(0)])
expected.add([h(1)])
assert moments == expected