test_colorsys.py 文件源码

def test_hls_roundtrip(self):
        for r in frange(0.0, 1.0, 0.2):
            for g in frange(0.0, 1.0, 0.2):
                for b in frange(0.0, 1.0, 0.2):
                    rgb = (r, g, b)
                    self.assertTripleEqual(
                        rgb,
                        colorsys.hls_to_rgb(*colorsys.rgb_to_hls(*rgb))
                    )