1   /*
2    * Copyright 2002-2009 the original author or authors.
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 net.sf.json.util;
18  
19  import java.io.StringWriter;
20  
21  import junit.framework.TestCase;
22  import net.sf.json.JSONFunction;
23  import net.sf.json.JSONObject;
24  
25  /**
26   * @author Andres Almiray <aalmiray@users.sourceforge.net>
27   */
28  public class TestJSONBuilder extends TestCase {
29     public static void main( String[] args ) {
30        junit.textui.TestRunner.run( TestJSONBuilder.class );
31     }
32  
33     public TestJSONBuilder( String testName ) {
34        super( testName );
35     }
36  
37     public void testCreateArray() {
38        StringWriter w = new StringWriter();
39        new JSONBuilder( w ).array()
40              .value( true )
41              .value( 1.1d )
42              .value( 2L )
43              .value( "text" )
44              .endArray();
45        assertEquals( "[true,1.1,2,\"text\"]", w.toString() );
46     }
47  
48     public void testCreateEmptyArray() {
49        StringWriter w = new StringWriter();
50        new JSONBuilder( w ).array()
51              .endArray();
52        assertEquals( "[]", w.toString() );
53     }
54  
55     public void testCreateEmptyArrayWithNullObjects() {
56        StringWriter w = new StringWriter();
57        new JSONBuilder( w ).array()
58              .value( null )
59              .value( null )
60              .endArray();
61        assertEquals( "[null,null]", w.toString() );
62     }
63  
64     public void testCreateEmptyObject() {
65        StringWriter w = new StringWriter();
66        new JSONBuilder( w ).object()
67              .endObject();
68        assertEquals( "{}", w.toString() );
69     }
70  
71     public void testCreateFunctionArray() {
72        StringWriter w = new StringWriter();
73        new JSONBuilder( w ).array()
74              .value( new JSONFunction( "var a = 1;" ) )
75              .value( new JSONFunction( "var b = 2;" ) )
76              .endArray();
77        assertEquals( "[function(){ var a = 1; },function(){ var b = 2; }]", w.toString() );
78     }
79  
80     public void testCreateSimpleObject() {
81        StringWriter w = new StringWriter();
82        new JSONBuilder( w ).object()
83              .key( "bool" )
84              .value( true )
85              .key( "numDouble" )
86              .value( 1.1d )
87              .key( "numInt" )
88              .value( 2 )
89              .key( "text" )
90              .value( "text" )
91              .key( "func" )
92              .value( new JSONFunction( "var a = 1;" ) )
93              .endObject();
94        JSONObject jsonObj = JSONObject.fromObject( w.toString() );
95        assertEquals( Boolean.TRUE, jsonObj.get( "bool" ) );
96        assertEquals( new Double( 1.1d ), jsonObj.get( "numDouble" ) );
97        assertEquals( new Long( 2 ).longValue(), ((Number) jsonObj.get( "numInt" )).longValue() );
98        assertEquals( "text", jsonObj.get( "text" ) );
99        assertTrue( JSONUtils.isFunction( jsonObj.get( "func" ) ) );
100       assertEquals( "function(){ var a = 1; }", jsonObj.get( "func" )
101             .toString() );
102    }
103 }