/**
  * Tests on a tree:
  *
  * a
  *   a1 (testNodeType)
  *   a2
  *   a3 (testNodeType)
  *   a4
  *   a5
  * b
  *   b1
  *   b2 (testNodeType3)
  *   b3
  *   b4
  *
  * @test
  * @dataProvider prevUntilOperationDataProvider()
  */
 public function prevUntilOperationTests(array $currentNodePaths, $subject, array $expectedNodePaths, array $unexpectedNodePaths)
 {
     $nodeTypeManager = $this->objectManager->get('TYPO3\\TYPO3CR\\Domain\\Service\\NodeTypeManager');
     $testNodeType = $nodeTypeManager->getNodeType('TYPO3.TYPO3CR.Testing:NodeType');
     $rootNode = $this->node->getNode('/');
     $nodeA = $rootNode->createNode('a');
     $nodeA->createNode('a1', $testNodeType);
     $nodeA->createNode('a2');
     $nodeA->createNode('a3', $testNodeType);
     $nodeA->createNode('a4');
     $nodeA->createNode('a5');
     $nodeB = $rootNode->createNode('b');
     $nodeB->createNode('b1');
     $nodeB->createNode('b2', $testNodeType);
     $nodeB->createNode('b3');
     $nodeB->createNode('b4');
     $currentNodes = array();
     foreach ($currentNodePaths as $currentNodePath) {
         $currentNodes[] = $rootNode->getNode($currentNodePath);
     }
     if (is_array($subject)) {
         $subjectNodes = array();
         foreach ($subject as $subjectNodePath) {
             $subjectNodes[] = $rootNode->getNode($subjectNodePath);
         }
         $subject = $subjectNodes;
     }
     $q = new FlowQuery($currentNodes);
     $result = $q->prevUntil($subject)->get();
     if ($expectedNodePaths === array() && $unexpectedNodePaths === array()) {
         $this->assertEmpty($result);
     } else {
         foreach ($expectedNodePaths as $expectedNodePath) {
             $expectedNode = $rootNode->getNode($expectedNodePath);
             if (!in_array($expectedNode, $result)) {
                 $this->fail(sprintf('Expected result to contain node "%s"', $expectedNodePath));
             }
         }
         foreach ($unexpectedNodePaths as $unexpectedNodePath) {
             $unexpectedNode = $rootNode->getNode($unexpectedNodePath);
             if (in_array($unexpectedNode, $result)) {
                 $this->fail(sprintf('Expected result not to contain node "%s"', $unexpectedNodePath));
             }
         }
     }
 }