Implicit float conversion in function calls by filmor · Pull Request #1908 · pythonnet/pythonnet

Expand Up @@ -1256,3 +1256,41 @@ def test_method_encoding(): def test_method_with_pointer_array_argument(): with pytest.raises(TypeError): MethodTest.PointerArray([0])
def test_method_call_implicit_conversion():
class IntAnswerMixin: # For Python >= 3.8 def __index__(self): return 42
# For Python < 3.10 def __int__(self): return 42
class Answer(int, IntAnswerMixin): pass
class FloatAnswer(float, IntAnswerMixin): def __float__(self): return 42.0
# TODO: This should also work for integer types but due to some complexities # in the C-API functions (some call __int__/__index__, some don't), it's not # supported, yet. for v in [Answer(), FloatAnswer()]: for t in [System.Double, System.Single]: min_value = t(t.MinValue) compare_to = min_value.CompareTo.__overloads__[t]
assert compare_to(v) == -1
class SomeNonFloat: def __float__(self): return 42.0
for t in [System.Double, System.Single]: with pytest.raises(TypeError): min_value = t(t.MinValue) compare_to = min_value.CompareTo.__overloads__[t] assert compare_to(SomeNonFloat()) == -1