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