Fixed Doctrine_Node_NestedSet::getNumberChildren()

lib/Doctrine/Node/NestedSet.php

@@ -318,12 +318,7 @@ class Doctrine_Node_NestedSet extends Doctrine_Node implements Doctrine_Node_Int
      */     
     public function getNumberChildren()
     {
-        $count = 0;
-        $children = $this->getChildren();
-        while ($children->next()) {
-            $count++;
-        }
-        return $count; 
+        return count($this->getChildren());
     }
 
     /**

tests/NestedSet/SingleRootTestCase.php

@@ -73,6 +73,13 @@ class Doctrine_NestedSet_SingleRoot_TestCase extends Doctrine_UnitTestCase
         $this->assertEqual(1, $desc[0]['level']);
     }
 
+	public function testGetNumberChildren()
+	{
+		$treeMngr = $this->conn->getTable('NestedSetTest_SingleRootNode')->getTree();
+        $root = $treeMngr->fetchRoot();
+		$this->assertEqual(1, $root->getNode()->getNumberChildren());
+	}
+    
     public function testGetAncestors()
     {
         $node = $this->conn->query("SELECT n.* FROM NestedSetTest_SingleRootNode n WHERE n.name = ?",