public function testInitFromRgb() { $c = new Color(); $c->initFromRgb(0, 0, 0); $this->validateColor($c, 0, 0, 0, 0); $c->initFromRgb(255, 255, 255); $this->validateColor($c, 255, 255, 255, 0); $c->initFromRgb(181, 55, 23); $this->validateColor($c, 181, 55, 23, 0); }