Method test_isalnum

numpy/_core/tests/test_defchararray.py:301–304

(self)

        assert_(issubclass(np.char.index('abcba', 'b').dtype.type, np.integer))

    def test_isalnum(self):
        A = self.A()
        assert_(issubclass(A.isalnum().dtype.type, np.bool))
        assert_array_equal(A.isalnum(), [[False, False], [True, True], [False, True]])

    def test_isalpha(self):
        A = self.A()