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1   /**
2    * Copyright (c) 2008-2012, 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.constructor;
17  
18  import junit.framework.TestCase;
19  
20  import org.yaml.snakeyaml.Yaml;
21  
22  public class SafeConstructorTest extends TestCase {
23  
24      public void testConstructFloat() {
25          Yaml yaml = new Yaml();
26          assertEquals(3.1416, yaml.load("+3.1416"));
27          assertEquals(Double.POSITIVE_INFINITY, yaml.load("+.inf"));
28          assertEquals(Double.POSITIVE_INFINITY, yaml.load(".inf"));
29          assertEquals(Double.NEGATIVE_INFINITY, yaml.load("-.inf"));
30      }
31  
32      public void testSafeConstruct() {
33          Yaml yaml = new Yaml(new SafeConstructor());
34          assertEquals(3.1416, yaml.load("+3.1416"));
35      }
36  
37      public void testSafeConstructJavaBean() {
38          Yaml yaml = new Yaml(new SafeConstructor());
39          String data = "--- !!org.yaml.snakeyaml.constructor.Person\nfirstName: Andrey\nage: 99";
40          try {
41              yaml.load(data);
42              fail("JavaBeans cannot be created by SafeConstructor.");
43          } catch (ConstructorException e) {
44              assertTrue(e
45                      .getMessage()
46                      .contains(
47                              "could not determine a constructor for the tag tag:yaml.org,2002:org.yaml.snakeyaml.constructor.Person"));
48          }
49      }
50  }