/**
* Tests invoking
* @covers Copycat\Callback\Handler::invoke()
*/
public function testInvoke()
{
$handler = new Handler(array('foo' => new Collection(array(function () {
return 'bar';
}))));
$this->assertInternalType('array', $handler->invoke('foo'));
$result = $handler->invoke('foo');
$this->assertEquals('bar', $result[0]);
}