public function testItCanDetermineItsType()
{
$image = new GDImage(__DIR__ . "/fixtures/image.png");
$this->assertEquals(GDImage::TYPE_PNG, $image->getType());
$image = new GDImage(__DIR__ . "/fixtures/image.jpg");
$this->assertEquals(GDImage::TYPE_JPG, $image->getType());
$image = new GDImage(__DIR__ . "/fixtures/image.gif");
$this->assertEquals(GDImage::TYPE_GIF, $image->getType());
// Test that for non-image files, it returns null
$image = new GDImage(__FILE__);
$this->assertNull($image->getType());
}
