/**
* @covers Image\Canvas::imageColorAt
*/
public function testImageColorAt()
{
$this->assertNotEmpty($this->object->openImage(dirname(__FILE__) . '/../image.gif'));
//8 bit GIF image
$this->assertEquals($this->object->imageColorAt(3, 3), 255);
//Solid blue
$this->assertNotEmpty($this->object->openImage(dirname(__FILE__) . '/../image.png'));
//32 bit PNG image
$this->assertEquals($this->object->imageColorAt(3, 3), 255);
//Solid blue
}