def test_to_nRGB_value(self):
        img = to_nRGB(self.I)
        denom = numpy.sqrt(50 ** 2 + 100 ** 2 + 150 ** 2) / 255.0
        r, g, b = 50 / denom, 100 / denom, 150 / denom
        assert ((img[:, :, 0] == int(r)).all())
        assert ((img[:, :, 1] == int(g)).all())
        assert ((img[:, :, 2] == int(b)).all())
dataset/ETHPy150Open belltailjp/selective_search_py/test_color_space.py/TestColorSpace.test_to_nRGB_value/original