1 /** 2 * Copyright (c) 2008, http://www.snakeyaml.org 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package examples; 17 18 import java.util.Map; 19 import java.util.TreeMap; 20 21 import junit.framework.TestCase; 22 23 import org.yaml.snakeyaml.Yaml; 24 import org.yaml.snakeyaml.constructor.Constructor; 25 26 public class CustomMapExampleTest extends TestCase { 27 public void testMap() { 28 Yaml yaml = new Yaml(new CustomConstructor()); 29 @SuppressWarnings("unchecked") 30 Map<Integer, String> data = (Map<Integer, String>) yaml 31 .load("{2: '222', 1: '111', 3: '333'}"); 32 assertTrue(data instanceof TreeMap); 33 Object[] keys = data.keySet().toArray(); 34 // must be sorted 35 assertEquals(new Integer(1), keys[0]); 36 assertEquals(new Integer(2), keys[1]); 37 assertEquals(new Integer(3), keys[2]); 38 } 39 40 class CustomConstructor extends Constructor { 41 @Override 42 protected Map<Object, Object> createDefaultMap() { 43 return new TreeMap<Object, Object>(); 44 } 45 } 46 } 47
