PopTest\Image\SvgTest::testGradients PHP Method

    public function testGradients()
    {
        $s = new Svg('graph.svg', '640px', '480px');
        $s->addGradient(new Rgb(255, 0, 0), new Rgb(0, 0, 255));
        $s->addGradient(new Rgb(255, 0, 0), new Rgb(0, 0, 255), Svg::VERTICAL);
        $s->addGradient(new Rgb(255, 0, 0), new Rgb(0, 0, 255), Svg::RADIAL);
        $s->setGradient(0);
        $this->assertEquals(640, $s->getWidth());
    }