public function testDefaultBaseAndPath()
 {
     $asset = new FileAsset(__FILE__);
     $this->assertEquals(__DIR__, $asset->getSourceRoot(), '->__construct() defaults base to the asset directory');
     $this->assertEquals(basename(__FILE__), $asset->getSourcePath(), '->__construct() defaults path to the asset basename');
     $this->assertEquals(__DIR__, $asset->getSourceDirectory(), '->__construct() derives the asset directory');
 }