/**
  * testAcceptsCallsNestedFilterWhenSet
  *
  * @return void
  */
 public function testAcceptsCallsNestedFilterWhenSet()
 {
     $class = new ASTClass(__CLASS__);
     $filter = $this->getMock('\\PDepend\\Source\\AST\\ASTArtifactList\\ArtifactFilter');
     $filter->expects($this->once())->method('accept')->with($this->equalTo($class));
     $collection = new CollectionArtifactFilter();
     $collection->setFilter($filter);
     $collection->accept($class);
 }