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