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from pytest import raises
def teq(a, b):
assert a == b
assert type(a) is type(b)
def test_int_vs_float():
# binary operators
teq( 5 - 2 , 3 )
teq( 5 - 2.0 , 3.0 )
teq( 5.0 - 2 , 3.0 )
teq( 5.0 - 2.0 , 3.0 )
teq( 5 .__sub__(2 ), 3 )
teq( 5 .__sub__(2.0), NotImplemented )
teq( 5.0 .__sub__(2 ), 3.0 )
teq( 5.0 .__sub__(2.0), 3.0 )
teq( 5 .__rsub__(2 ), -3 )
teq( 5 .__rsub__(2.0), NotImplemented )
teq( 5.0 .__rsub__(2 ), -3.0 )
teq( 5.0 .__rsub__(2.0), -3.0 )
teq( 5 ** 2 , 25 )
teq( 5 ** 2.0 , 25.0 )
teq( 5.0 ** 2 , 25.0 )
teq( 5.0 ** 2.0 , 25.0 )
# pow() fails with a float argument anywhere
raises(TypeError, pow, 5 , 3 , 100.0)
raises(TypeError, pow, 5 , 3.0, 100 )
raises(TypeError, pow, 5 , 3.0, 100.0)
raises(TypeError, pow, 5.0, 3 , 100 )
raises(TypeError, pow, 5.0, 3 , 100.0)
raises(TypeError, pow, 5.0, 3.0, 100 )
raises(TypeError, pow, 5.0, 3.0, 100.0)
teq( 5 .__pow__(3.0, 100 ), NotImplemented )
teq( 5 .__pow__(3.0, 100.0), NotImplemented )
teq( 5 .__rpow__(3.0, 100 ), NotImplemented )
teq( 5 .__rpow__(3.0, 100.0), NotImplemented )
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