View Javadoc

1   /**
2    * Copyright (c) 2008-2011, 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  
17  package org.yaml.snakeyaml.types;
18  
19  import java.util.ArrayList;
20  import java.util.Collection;
21  import java.util.LinkedList;
22  import java.util.List;
23  import java.util.Map;
24  
25  import org.yaml.snakeyaml.YamlDocument;
26  
27  /**
28   * @see http://yaml.org/type/seq.html
29   */
30  public class SeqTagTest extends AbstractTest {
31  
32      @SuppressWarnings("unchecked")
33      public void testSeq() {
34          YamlDocument document = new YamlDocument("types/seq.yaml");
35          Map<String, List<String>> map = (Map<String, List<String>>) document.getNativeData();
36          assertEquals(2, map.size());
37          List<String> list1 = (List<String>) map.get("Block style");
38          assertEquals(9, list1.size());
39          assertEquals("Mercury", list1.get(0));
40          assertEquals("Venus", list1.get(1));
41          assertEquals("Earth", list1.get(2));
42          assertEquals("Mars", list1.get(3));
43          assertEquals("Jupiter", list1.get(4));
44          assertEquals("Saturn", list1.get(5));
45          assertEquals("Uranus", list1.get(6));
46          assertEquals("Neptune", list1.get(7));
47          assertEquals("Pluto", list1.get(8));
48          //
49          List<String> list2 = (List<String>) map.get("Flow style");
50          assertEquals(9, list2.size());
51          assertEquals("Mercury", list2.get(0));
52          assertEquals("Venus", list2.get(1));
53          assertEquals("Earth", list2.get(2));
54          assertEquals("Mars", list2.get(3));
55          assertEquals("Jupiter", list2.get(4));
56          assertEquals("Saturn", list2.get(5));
57          assertEquals("Uranus", list2.get(6));
58          assertEquals("Neptune", list2.get(7));
59          assertEquals("Pluto", list2.get(8));
60          //
61          assertEquals(list1, list2);
62          assertNotSame(list1, list2);
63      }
64  
65      @SuppressWarnings("unchecked")
66      public void testCollection() {
67          Collection<Integer> collection = new LinkedList<Integer>();
68          collection.add(1);
69          collection.add(2);
70          collection.add(3);
71          String output = dump(collection);
72          assertEquals("[1, 2, 3]\n", output);
73          Collection<Integer> obj = (Collection<Integer>) load(output);
74          // System.out.println(obj);
75          assertEquals(3, obj.size());
76          assertTrue("Create ArrayList by default: " + obj.getClass().toString(),
77                  obj instanceof ArrayList);
78      }
79  
80      public void testArray() {
81          Integer[] array = new Integer[3];
82          array[0] = new Integer(1);
83          array[1] = new Integer(1);
84          array[2] = new Integer(2);
85          String output = dump(array);
86          assertEquals("[1, 1, 2]\n", output);
87      }
88  
89      public void testStringArray() {
90          String[] array = new String[] { "aaa", "bbb", "ccc" };
91          String output = dump(array);
92          assertEquals("[aaa, bbb, ccc]\n", output);
93      }
94  
95      public void testArrayPrimitives() {
96          int[] array = new int[3];
97          array[0] = 1;
98          array[1] = 1;
99          array[2] = 2;
100         try {
101             dump(array);
102             fail("Arrays of primitives are not supported.");
103         } catch (RuntimeException e) {
104             assertEquals("Arrays of primitives are not fully supported.", e.getMessage());
105         }
106     }
107 }