1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    * 
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.lang.builder;
18  
19  import java.util.ArrayList;
20  import java.util.HashMap;
21  
22  import org.apache.commons.lang.builder.ToStringStyleTest.Person;
23  
24  import junit.framework.Test;
25  import junit.framework.TestCase;
26  import junit.framework.TestSuite;
27  import junit.textui.TestRunner;
28  
29  /**
30   * Unit tests {@link org.apache.commons.lang.builder.DefaultToStringStyleTest}.
31   *
32   * @author <a href="mailto:scolebourne@joda.org">Stephen Colebourne</a>
33   * @version $Id: DefaultToStringStyleTest.java 592643 2007-11-07 07:25:30Z bayard $
34   */
35  public class DefaultToStringStyleTest extends TestCase {
36  
37      private final Integer base = new Integer(5);
38      private final String baseStr = base.getClass().getName() + "@" + Integer.toHexString(System.identityHashCode(base));
39      
40      public DefaultToStringStyleTest(String name) {
41          super(name);
42      }
43  
44      public static void main(String[] args) {
45          TestRunner.run(suite());
46      }
47  
48      public static Test suite() {
49          TestSuite suite = new TestSuite(DefaultToStringStyleTest.class);
50          suite.setName("DefaultToStringStyle Tests");
51          return suite;
52      }
53  
54      protected void setUp() throws Exception {
55          super.setUp();
56          ToStringBuilder.setDefaultStyle(ToStringStyle.DEFAULT_STYLE);
57      }
58  
59      protected void tearDown() throws Exception {
60          super.tearDown();
61          ToStringBuilder.setDefaultStyle(ToStringStyle.DEFAULT_STYLE);
62      }
63  
64      //----------------------------------------------------------------
65      
66      public void testBlank() {
67          assertEquals(baseStr + "[]", new ToStringBuilder(base).toString());
68      }
69  
70      public void testAppendSuper() {
71          assertEquals(baseStr + "[]", new ToStringBuilder(base).appendSuper("Integer@8888[]").toString());
72          assertEquals(baseStr + "[<null>]", new ToStringBuilder(base).appendSuper("Integer@8888[<null>]").toString());
73          
74          assertEquals(baseStr + "[a=hello]", new ToStringBuilder(base).appendSuper("Integer@8888[]").append("a", "hello").toString());
75          assertEquals(baseStr + "[<null>,a=hello]", new ToStringBuilder(base).appendSuper("Integer@8888[<null>]").append("a", "hello").toString());
76          assertEquals(baseStr + "[a=hello]", new ToStringBuilder(base).appendSuper(null).append("a", "hello").toString());
77      }
78      
79      public void testObject() {
80          Integer i3 = new Integer(3);
81          Integer i4 = new Integer(4);
82          assertEquals(baseStr + "[<null>]", new ToStringBuilder(base).append((Object) null).toString());
83          assertEquals(baseStr + "[3]", new ToStringBuilder(base).append(i3).toString());
84          assertEquals(baseStr + "[a=<null>]", new ToStringBuilder(base).append("a", (Object) null).toString());
85          assertEquals(baseStr + "[a=3]", new ToStringBuilder(base).append("a", i3).toString());
86          assertEquals(baseStr + "[a=3,b=4]", new ToStringBuilder(base).append("a", i3).append("b", i4).toString());
87          assertEquals(baseStr + "[a=<Integer>]", new ToStringBuilder(base).append("a", i3, false).toString());
88          assertEquals(baseStr + "[a=<size=0>]", new ToStringBuilder(base).append("a", new ArrayList(), false).toString());
89          assertEquals(baseStr + "[a=[]]", new ToStringBuilder(base).append("a", new ArrayList(), true).toString());
90          assertEquals(baseStr + "[a=<size=0>]", new ToStringBuilder(base).append("a", new HashMap(), false).toString());
91          assertEquals(baseStr + "[a={}]", new ToStringBuilder(base).append("a", new HashMap(), true).toString());
92          assertEquals(baseStr + "[a=<size=0>]", new ToStringBuilder(base).append("a", (Object) new String[0], false).toString());
93          assertEquals(baseStr + "[a={}]", new ToStringBuilder(base).append("a", (Object) new String[0], true).toString());
94      }
95  
96      public void testPerson() {
97          Person p = new Person();
98          p.name = "John Doe";
99          p.age = 33;
100         p.smoker = false;
101         String pBaseStr = p.getClass().getName() + "@" + Integer.toHexString(System.identityHashCode(p));
102         assertEquals(pBaseStr + "[name=John Doe,age=33,smoker=false]", new ToStringBuilder(p).append("name", p.name).append("age", p.age).append("smoker", p.smoker).toString());
103     }
104 
105     public void testLong() {
106         assertEquals(baseStr + "[3]", new ToStringBuilder(base).append(3L).toString());
107         assertEquals(baseStr + "[a=3]", new ToStringBuilder(base).append("a", 3L).toString());
108         assertEquals(baseStr + "[a=3,b=4]", new ToStringBuilder(base).append("a", 3L).append("b", 4L).toString());
109     }
110 
111     public void testObjectArray() {
112         Object[] array = new Object[] {null, base, new int[] {3, 6}};
113         assertEquals(baseStr + "[{<null>,5,{3,6}}]", new ToStringBuilder(base).append(array).toString());
114         assertEquals(baseStr + "[{<null>,5,{3,6}}]", new ToStringBuilder(base).append((Object) array).toString());
115         array = null;
116         assertEquals(baseStr + "[<null>]", new ToStringBuilder(base).append(array).toString());
117         assertEquals(baseStr + "[<null>]", new ToStringBuilder(base).append((Object) array).toString());
118     }
119 
120     public void testLongArray() {
121         long[] array = new long[] {1, 2, -3, 4};
122         assertEquals(baseStr + "[{1,2,-3,4}]", new ToStringBuilder(base).append(array).toString());
123         assertEquals(baseStr + "[{1,2,-3,4}]", new ToStringBuilder(base).append((Object) array).toString());
124         array = null;
125         assertEquals(baseStr + "[<null>]", new ToStringBuilder(base).append(array).toString());
126         assertEquals(baseStr + "[<null>]", new ToStringBuilder(base).append((Object) array).toString());
127     }
128 
129     public void testLongArrayArray() {
130         long[][] array = new long[][] {{1, 2}, null, {5}};
131         assertEquals(baseStr + "[{{1,2},<null>,{5}}]", new ToStringBuilder(base).append(array).toString());
132         assertEquals(baseStr + "[{{1,2},<null>,{5}}]", new ToStringBuilder(base).append((Object) array).toString());
133         array = null;
134         assertEquals(baseStr + "[<null>]", new ToStringBuilder(base).append(array).toString());
135         assertEquals(baseStr + "[<null>]", new ToStringBuilder(base).append((Object) array).toString());
136     }
137 
138 }