def test_double_excitation_eq():
eq = cirq.testing.EqualsTester()
eq.add_equality_group(
ofc.DoubleExcitationGate(exponent=1.5),
ofc.DoubleExcitationGate(exponent=-0.5),
ofc.DoubleExcitationGate(rads=-0.5 * numpy.pi),
ofc.DoubleExcitationGate(degs=-90),
ofc.DoubleExcitationGate(duration=-0.5 * numpy.pi / 2))
eq.add_equality_group(
ofc.DoubleExcitationGate(exponent=0.5),
ofc.DoubleExcitationGate(exponent=-1.5),
ofc.DoubleExcitationGate(rads=0.5 * numpy.pi),
ofc.DoubleExcitationGate(degs=90),
ofc.DoubleExcitationGate(duration=-1.5 * numpy.pi / 2))
eq.make_equality_group(lambda: ofc.DoubleExcitationGate(exponent=0.0))
eq.make_equality_group(lambda: ofc.DoubleExcitationGate(exponent=0.75))
def test_double_excitation_init_with_multiple_args_fails():
with pytest.raises(ValueError):
_ = ofc.DoubleExcitationGate(exponent=1.0, duration=numpy.pi / 2)