test_abc.py 文件源码

def test_floats(self):
        for t in sctypes['float']:
            assert_(isinstance(t(), numbers.Real), 
                    "{0} is not instance of Real".format(t.__name__))
            assert_(issubclass(t, numbers.Real),
                    "{0} is not subclass of Real".format(t.__name__))
            assert_(not isinstance(t(), numbers.Rational), 
                    "{0} is instance of Rational".format(t.__name__))
            assert_(not issubclass(t, numbers.Rational),
                    "{0} is subclass of Rational".format(t.__name__))