def test_optional():
from pybind11_tests import double_or_zero, half_or_none, test_nullopt
assert double_or_zero(None) == 0
assert double_or_zero(42) == 84
pytest.raises(TypeError, double_or_zero, 'foo')
assert half_or_none(0) is None
assert half_or_none(42) == 21
pytest.raises(TypeError, half_or_none, 'foo')
assert test_nullopt() == 42
assert test_nullopt(None) == 42
assert test_nullopt(42) == 42
assert test_nullopt(43) == 43
def test_optional():
from pybind11_tests import double_or_zero, half_or_none, test_nullopt
assert double_or_zero(None) == 0
assert double_or_zero(42) == 84
pytest.raises(TypeError, double_or_zero, 'foo')
assert half_or_none(0) is None
assert half_or_none(42) == 21
pytest.raises(TypeError, half_or_none, 'foo')
assert test_nullopt() == 42
assert test_nullopt(None) == 42
assert test_nullopt(42) == 42
assert test_nullopt(43) == 43
def test_optional():
from pybind11_tests import double_or_zero, half_or_none, test_nullopt
if double_or_zero(None) != 0:
raise AssertionError
if double_or_zero(42) != 84:
raise AssertionError
pytest.raises(TypeError, double_or_zero, 'foo')
if half_or_none(0) is not None:
raise AssertionError
if half_or_none(42) != 21:
raise AssertionError
pytest.raises(TypeError, half_or_none, 'foo')
if test_nullopt() != 42:
raise AssertionError
if test_nullopt(None) != 42:
raise AssertionError
if test_nullopt(42) != 42:
raise AssertionError
if test_nullopt(43) != 43:
raise AssertionError