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.annotations.GwtIncompatible;
21  import com.google.common.collect.Table.Cell;
22  import com.google.common.testing.EqualsTester;
23  import com.google.common.testing.SerializableTester;
24  
25  import junit.framework.TestCase;
26  
27  /**
28   * Tests for {@link Tables}.
29   *
30   * @author Jared Levy
31   */
32  @GwtCompatible(emulated = true)
33  public class TablesTest extends TestCase {
34  
35    @GwtIncompatible("SerializableTester")
36    public void testImmutableEntrySerialization() {
37      Cell<String, Integer, Character> entry
38          = Tables.immutableCell("foo", 1, 'a');
39      SerializableTester.reserializeAndAssert(entry);
40    }
41    
42    public void testImmutableEntryToString() {
43      Cell<String, Integer, Character> entry
44          = Tables.immutableCell("foo", 1, 'a');
45      assertEquals("(foo,1)=a", entry.toString());
46      
47      Cell<String, Integer, Character> nullEntry
48          = Tables.immutableCell(null, null, null);
49      assertEquals("(null,null)=null", nullEntry.toString());
50    }
51    
52    public void testEntryEquals() {
53      Cell<String, Integer, Character> entry
54          = Tables.immutableCell("foo", 1, 'a');
55      
56      new EqualsTester()
57          .addEqualityGroup(entry, Tables.immutableCell("foo", 1, 'a'))
58          .addEqualityGroup(Tables.immutableCell("bar", 1, 'a'))
59          .addEqualityGroup(Tables.immutableCell("foo", 2, 'a'))
60          .addEqualityGroup(Tables.immutableCell("foo", 1, 'b'))
61          .addEqualityGroup(Tables.immutableCell(null, null, null))
62          .testEquals();
63    }
64    
65    public void testEntryEqualsNull() {
66      Cell<String, Integer, Character> entry
67          = Tables.immutableCell(null, null, null);
68      
69      new EqualsTester()
70          .addEqualityGroup(entry, Tables.immutableCell(null, null, null))
71          .addEqualityGroup(Tables.immutableCell("bar", null, null))
72          .addEqualityGroup(Tables.immutableCell(null, 2, null))
73          .addEqualityGroup(Tables.immutableCell(null, null, 'b'))
74          .addEqualityGroup(Tables.immutableCell("foo", 1, 'a'))
75          .testEquals();
76    }
77  }