1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
/*
* Copyright (C) 2009 The Guava Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.google.common.collect;
import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.testing.EqualsTester;
/**
* Tests {@link EmptyImmutableTable}
*
* @author Gregory Kick
*/
@GwtCompatible(emulated = true)
public class EmptyImmutableTableTest extends AbstractImmutableTableTest {
private static final ImmutableTable<Character, Integer, String> INSTANCE = ImmutableTable.of();
@Override Iterable<ImmutableTable<Character, Integer, String>> getTestInstances() {
return ImmutableSet.of(INSTANCE);
}
public void testHashCode() {
assertEquals(0, INSTANCE.hashCode());
}
public void testEqualsObject() {
Table<Character, Integer, String> nonEmptyTable = HashBasedTable.create();
nonEmptyTable.put('A', 1, "blah");
new EqualsTester()
.addEqualityGroup(INSTANCE, HashBasedTable.create(), TreeBasedTable.create())
.addEqualityGroup(nonEmptyTable)
.testEquals();
}
@GwtIncompatible("ArrayTable")
public void testEqualsObjectNullValues() {
new EqualsTester()
.addEqualityGroup(INSTANCE)
.addEqualityGroup(ArrayTable.create(ImmutableSet.of('A'), ImmutableSet.of(1)))
.testEquals();
}
public void testToString() {
assertEquals("{}", INSTANCE.toString());
}
public void testSize() {
assertEquals(0, INSTANCE.size());
}
public void testGet() {
assertNull(INSTANCE.get('a', 1));
}
public void testIsEmpty() {
assertTrue(INSTANCE.isEmpty());
}
public void testCellSet() {
assertEquals(ImmutableSet.of(), INSTANCE.cellSet());
}
public void testColumn() {
assertEquals(ImmutableMap.of(), INSTANCE.column(1));
}
public void testColumnKeySet() {
assertEquals(ImmutableSet.of(), INSTANCE.columnKeySet());
}
public void testColumnMap() {
assertEquals(ImmutableMap.of(), INSTANCE.columnMap());
}
public void testContains() {
assertFalse(INSTANCE.contains('a', 1));
}
public void testContainsColumn() {
assertFalse(INSTANCE.containsColumn(1));
}
public void testContainsRow() {
assertFalse(INSTANCE.containsRow('a'));
}
public void testContainsValue() {
assertFalse(INSTANCE.containsValue("blah"));
}
public void testRow() {
assertEquals(ImmutableMap.of(), INSTANCE.row('a'));
}
public void testRowKeySet() {
assertEquals(ImmutableSet.of(), INSTANCE.rowKeySet());
}
public void testRowMap() {
assertEquals(ImmutableMap.of(), INSTANCE.rowMap());
}
public void testValues() {
assertTrue(INSTANCE.values().isEmpty());
}
public void testReadResolve() {
assertSame(EmptyImmutableTable.INSTANCE, EmptyImmutableTable.INSTANCE.readResolve());
}
}
|
