public function testDoubleInclusion()
{
$content = file_get_contents($this->_jsDir . 'classes' . DS . 'double_inclusion.js');
$result = $this->filter->input('double_inclusion.js', $content);
$expected = <<<TEXT
var BaseClass = new Class({
});
var BaseClassTwo = BaseClass.extend({
});
var DoubleInclusion = new Class({
});
TEXT;
$this->assertTextEquals($expected, $result);
}