* Add get child folder test

OpenSim/Framework/Communications/Cache/InventoryFolderImpl.cs

@@ -106,6 +106,23 @@ namespace OpenSim.Framework.Communications.Cache
             }                        
         }
         
+        /// <summary>
+        /// Get a child folder
+        /// </summary>
+        /// <param name="folderID"></param>
+        /// <returns>The folder if it exists, null if it doesn't</returns>
+        public InventoryFolderImpl GetChildFolder(UUID folderID)
+        {
+            InventoryFolderImpl folder = null;
+            
+            lock (SubFolders)
+            {
+                SubFolders.TryGetValue(folderID, out folder);
+            }
+            
+            return folder;
+        }
+        
         /// <summary>
         /// Removes the given child subfolder.
         /// </summary>

OpenSim/Framework/Communications/Tests/Cache/UserProfileCacheServiceTests.cs

@@ -112,5 +112,32 @@ namespace OpenSim.Framework.Communications.Tests
             Assert.That(inventoryDataPlugin.getInventoryFolder(folderId), Is.Not.Null);
             Assert.That(userInfo.RootFolder.SubFolders.ContainsKey(folderId), Is.True);
         }
+        
+        /// <summary>
+        /// Test retrieving a child folder
+        /// </summary>
+        [Test]
+        public void TestGetChildFolder()
+        {
+            UUID userId = UUID.Parse("00000000-0000-0000-0000-000000000005");
+            
+            CommunicationsManager commsManager = new TestCommunicationsManager();
+            LocalUserServices lus = (LocalUserServices)commsManager.UserService;
+            lus.AddPlugin(new TestUserDataPlugin());
+            ((LocalInventoryService)commsManager.InventoryService).AddPlugin(new TestInventoryDataPlugin());            
+            
+            lus.AddUser("Bill", "Bailey", "troll", "bill@bailey.com", 1000, 1000, userId);
+            
+            commsManager.UserProfileCacheService.RequestInventoryForUser(userId);
+            
+            CachedUserInfo userInfo = commsManager.UserProfileCacheService.GetUserDetails(userId);
+            
+            UUID folderId = UUID.Parse("00000000-0000-0000-0000-000000000011");
+            
+            Assert.That(userInfo.RootFolder.GetChildFolder(folderId), Is.Null);                                   
+            userInfo.CreateFolder("testFolder", folderId, (ushort)AssetType.Animation, userInfo.RootFolder.ID);
+            
+            Assert.That(userInfo.RootFolder.GetChildFolder(folderId), Is.Not.Null);
+        }        
     }
 }