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 org.yaml.snakeyaml.nodes;
17 
18 import junit.framework.TestCase;
19 
20 public class MappingNodeTest extends TestCase {
21 
testNullValue()22     public void testNullValue() {
23         try {
24             new MappingNode(new Tag("!tag"), true, null, null, null, false);
25             fail("Value is required.");
26         } catch (Exception e) {
27             assertEquals("value in a Node is required.", e.getMessage());
28         }
29     }
30 }
31