| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.wicket; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| /** |
| * Some tests for meta data. |
| */ |
| public class MetaDataTest extends Assert |
| { |
| private static final MetaDataKey<String> KEY1 = new MetaDataKey<String>() |
| { |
| private static final long serialVersionUID = 1L; |
| }; |
| |
| private static final MetaDataKey<String> KEY2 = new MetaDataKey<String>() |
| { |
| private static final long serialVersionUID = 1L; |
| }; |
| |
| private static final MetaDataKey<String> KEY3 = new MetaDataKey<String>() |
| { |
| private static final long serialVersionUID = 1L; |
| }; |
| |
| private static final MetaDataKey<String> KEY4 = new MetaDataKey<String>() |
| { |
| private static final long serialVersionUID = 1L; |
| }; |
| |
| /** |
| * Test bounds and basic operations. |
| */ |
| @Test |
| public void metaDataKey() |
| { |
| MetaDataEntry<?>[] md = KEY1.set(null, "1"); |
| assertNotNull(md); |
| assertEquals(1, md.length); |
| md = KEY1.set(md, null); |
| assertNull(md); |
| md = KEY1.set(md, "1"); |
| md = KEY2.set(md, "2"); |
| md = KEY3.set(md, "3"); |
| md = KEY4.set(md, "4"); |
| assertEquals(4, md.length); |
| md = KEY3.set(md, null); |
| assertEquals(3, md.length); |
| assertEquals("1", KEY1.get(md)); |
| assertEquals("2", KEY2.get(md)); |
| assertEquals(null, KEY3.get(md)); |
| assertEquals("4", KEY4.get(md)); |
| md = KEY4.set(md, null); |
| assertEquals(2, md.length); |
| assertEquals("1", KEY1.get(md)); |
| assertEquals("2", KEY2.get(md)); |
| assertEquals(null, KEY3.get(md)); |
| assertEquals(null, KEY4.get(md)); |
| md = KEY1.set(md, null); |
| assertEquals(1, md.length); |
| assertEquals(null, KEY1.get(md)); |
| assertEquals("2", KEY2.get(md)); |
| assertEquals(null, KEY3.get(md)); |
| assertEquals(null, KEY4.get(md)); |
| md = KEY2.set(md, null); |
| assertNull(md); |
| } |
| } |