public function testConstruct()
{
$resolver = new ConcatResolver(array('key1' => array(__FILE__), 'key2' => array(__FILE__)));
$this->assertTrue($resolver instanceof ResolverInterface);
$this->assertTrue($resolver instanceof AggregateResolverAwareInterface);
$this->assertSame(array('key1' => array(__FILE__), 'key2' => array(__FILE__)), $resolver->getConcats());
}