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 }
78