assertEquals(c.hue(), d.hue());
assertEquals(c.saturation(), d.saturation());
assertEquals(c.brightness(), d.brightness());
assertEquals(c.cyan(), d.cyan());
assertEquals(c.magenta(), d.magenta());
assertEquals(c.yellow(), d.yellow());
assertEquals(c.black(), d.black());
assertEquals(c.alpha(), d.alpha());
}
public void testGradient() {