/**
* @dataProvider getRGBColorsDataProvider
*
* @param integer $r
* @param integer $g
* @param integer $b
*/
public function testDarker($r, $g, $b)
{
$c = new RGBColor($r, $g, $b);
$clone = clone $c;
$dc = $clone->darker();
$ca = array($c->getRed(), $c->getGreen(), $c->getBlue(), $c->getAlpha());
$dca = array($dc->getRed(), $dc->getGreen(), $dc->getBlue(), $dc->getAlpha());
for ($x = 0; $x < count($dc); $x++) {
$this->assertLessThanOrEqual($ca[$x], $dca[$x]);
}
}