from numpy.testing import assert_
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import numbers
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import numpy as np
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from numpy.core.numerictypes import sctypes
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class TestABC:
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def test_abstract(self):
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assert_(issubclass(np.number, numbers.Number))
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assert_(issubclass(np.inexact, numbers.Complex))
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assert_(issubclass(np.complexfloating, numbers.Complex))
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assert_(issubclass(np.floating, numbers.Real))
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assert_(issubclass(np.integer, numbers.Integral))
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assert_(issubclass(np.signedinteger, numbers.Integral))
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assert_(issubclass(np.unsignedinteger, numbers.Integral))
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def test_floats(self):
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for t in sctypes['float']:
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assert_(isinstance(t(), numbers.Real),
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f"{t.__name__} is not instance of Real")
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assert_(issubclass(t, numbers.Real),
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f"{t.__name__} is not subclass of Real")
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assert_(not isinstance(t(), numbers.Rational),
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f"{t.__name__} is instance of Rational")
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assert_(not issubclass(t, numbers.Rational),
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f"{t.__name__} is subclass of Rational")
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def test_complex(self):
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for t in sctypes['complex']:
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assert_(isinstance(t(), numbers.Complex),
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f"{t.__name__} is not instance of Complex")
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assert_(issubclass(t, numbers.Complex),
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f"{t.__name__} is not subclass of Complex")
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assert_(not isinstance(t(), numbers.Real),
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f"{t.__name__} is instance of Real")
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assert_(not issubclass(t, numbers.Real),
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f"{t.__name__} is subclass of Real")
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def test_int(self):
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for t in sctypes['int']:
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assert_(isinstance(t(), numbers.Integral),
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f"{t.__name__} is not instance of Integral")
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assert_(issubclass(t, numbers.Integral),
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f"{t.__name__} is not subclass of Integral")
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def test_uint(self):
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for t in sctypes['uint']:
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assert_(isinstance(t(), numbers.Integral),
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f"{t.__name__} is not instance of Integral")
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assert_(issubclass(t, numbers.Integral),
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f"{t.__name__} is not subclass of Integral")
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