test_defchararray.py 文件源码

def test_rmul(self):
        A = self.A
        for r in (2, 3, 5, 7, 197):
            Ar = np.array([[A[0, 0]*r, A[0, 1]*r],
                           [A[1, 0]*r, A[1, 1]*r]]).view(np.chararray)
            assert_array_equal(Ar, (r * self.A))

        for ob in [object(), 'qrs']:
            try:
                ob * A
            except ValueError:
                pass
            else:
                self.fail("chararray can only be multiplied by integers")