1   /*
2    * Copyright (C) 2008 The Guava 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 com.google.common.collect;
18  
19  import com.google.common.annotations.GwtCompatible;
20  import com.google.common.collect.Table.Cell;
21  import com.google.common.testing.EqualsTester;
22  
23  import junit.framework.TestCase;
24  
25  /**
26   * Tests for {@link Tables}.
27   *
28   * @author Jared Levy
29   */
30  @GwtCompatible(emulated = true)
31  public class TablesTest extends TestCase {
32    
33    public void testImmutableEntryToString() {
34      Cell<String, Integer, Character> entry
35          = Tables.immutableCell("foo", 1, 'a');
36      assertEquals("(foo,1)=a", entry.toString());
37      
38      Cell<String, Integer, Character> nullEntry
39          = Tables.immutableCell(null, null, null);
40      assertEquals("(null,null)=null", nullEntry.toString());
41    }
42    
43    public void testEntryEquals() {
44      Cell<String, Integer, Character> entry
45          = Tables.immutableCell("foo", 1, 'a');
46      
47      new EqualsTester()
48          .addEqualityGroup(entry, Tables.immutableCell("foo", 1, 'a'))
49          .addEqualityGroup(Tables.immutableCell("bar", 1, 'a'))
50          .addEqualityGroup(Tables.immutableCell("foo", 2, 'a'))
51          .addEqualityGroup(Tables.immutableCell("foo", 1, 'b'))
52          .addEqualityGroup(Tables.immutableCell(null, null, null))
53          .testEquals();
54    }
55    
56    public void testEntryEqualsNull() {
57      Cell<String, Integer, Character> entry
58          = Tables.immutableCell(null, null, null);
59      
60      new EqualsTester()
61          .addEqualityGroup(entry, Tables.immutableCell(null, null, null))
62          .addEqualityGroup(Tables.immutableCell("bar", null, null))
63          .addEqualityGroup(Tables.immutableCell(null, 2, null))
64          .addEqualityGroup(Tables.immutableCell(null, null, 'b'))
65          .addEqualityGroup(Tables.immutableCell("foo", 1, 'a'))
66          .testEquals();
67    }
68  }
69