public function testDoLoad()
    {
        file_put_contents("{$this->dir}/test.xml", <<<DATA
<array>
  <array key="imports">
    <array>
      <str key="resource">import.xml</str>
    </array>
  </array>
  <array key="root">
    <int key="number">123</int>
    <str key="imported">%imported.value%</str>
    <bool key="enabled">1</bool>
    <float key="unit">1.23</float>
  </array>
</array>
DATA
);
        file_put_contents("{$this->dir}/import.xml", <<<DATA
<array>
  <array key="imported">
    <str key="value">imported value</str>
  </array>
</array>
DATA
);
        $this->assertSame(array('imported' => array('value' => 'imported value'), 'imports' => array(array('resource' => 'import.xml')), 'root' => array('number' => 123, 'imported' => 'imported value', 'enabled' => true, 'unit' => 1.23)), $this->loader->load('test.xml'));
    }
 /**
  * @override
  */
 protected function doLoad($file)
 {
     $data = parent::doLoad($file);
     if (isset($data['parameters'])) {
         foreach ($data['parameters'] as $parameter => $value) {
             $this->app[$parameter] = $value;
         }
     }
     return $data;
 }