1   /*
2    * Copyright (C) 2009 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 static com.google.common.truth.Truth.assertThat;
20  
21  import com.google.common.annotations.GwtCompatible;
22  import com.google.common.base.Objects;
23  import com.google.common.testing.EqualsTester;
24  
25  /**
26   * Tests {@link SingletonImmutableTable}.
27   *
28   * @author Gregory Kick
29   */
30  @GwtCompatible(emulated = true)
31  public class SingletonImmutableTableTest extends AbstractImmutableTableTest {
32    private final ImmutableTable<Character, Integer, String> testTable =
33        new SingletonImmutableTable<Character, Integer, String>('a', 1, "blah");
34  
35    public void testHashCode() {
36      assertEquals(Objects.hashCode('a', 1, "blah"), testTable.hashCode());
37    }
38  
39    public void testCellSet() {
40      assertEquals(ImmutableSet.of(Tables.immutableCell('a', 1, "blah")), testTable.cellSet());
41    }
42  
43    public void testColumn() {
44      assertEquals(ImmutableMap.of(), testTable.column(0));
45      assertEquals(ImmutableMap.of('a', "blah"), testTable.column(1));
46    }
47  
48    public void testColumnKeySet() {
49      assertEquals(ImmutableSet.of(1), testTable.columnKeySet());
50    }
51  
52    public void testColumnMap() {
53      assertEquals(ImmutableMap.of(1, ImmutableMap.of('a', "blah")), testTable.columnMap());
54    }
55  
56    public void testRow() {
57      assertEquals(ImmutableMap.of(), testTable.row('A'));
58      assertEquals(ImmutableMap.of(1, "blah"), testTable.row('a'));
59    }
60  
61    public void testRowKeySet() {
62      assertEquals(ImmutableSet.of('a'), testTable.rowKeySet());
63    }
64  
65    public void testRowMap() {
66      assertEquals(ImmutableMap.of('a', ImmutableMap.of(1, "blah")),
67          testTable.rowMap());
68    }
69  
70    public void testEqualsObject() {
71      new EqualsTester()
72          .addEqualityGroup(testTable, HashBasedTable.create(testTable))
73          .addEqualityGroup(ImmutableTable.of(), HashBasedTable.create())
74          .addEqualityGroup(HashBasedTable.create(ImmutableTable.of('A', 2, "")))
75          .testEquals();
76    }
77  
78    public void testToString() {
79      assertEquals("{a={1=blah}}", testTable.toString());
80    }
81  
82    public void testContains() {
83      assertTrue(testTable.contains('a', 1));
84      assertFalse(testTable.contains('a', 2));
85      assertFalse(testTable.contains('A', 1));
86      assertFalse(testTable.contains('A', 2));
87    }
88  
89    public void testContainsColumn() {
90      assertTrue(testTable.containsColumn(1));
91      assertFalse(testTable.containsColumn(2));
92    }
93  
94    public void testContainsRow() {
95      assertTrue(testTable.containsRow('a'));
96      assertFalse(testTable.containsRow('A'));
97    }
98  
99    public void testContainsValue() {
100     assertTrue(testTable.containsValue("blah"));
101     assertFalse(testTable.containsValue(""));
102   }
103 
104   public void testGet() {
105     assertEquals("blah", testTable.get('a', 1));
106     assertNull(testTable.get('a', 2));
107     assertNull(testTable.get('A', 1));
108     assertNull(testTable.get('A', 2));
109   }
110 
111   public void testIsEmpty() {
112     assertFalse(testTable.isEmpty());
113   }
114 
115   public void testSize() {
116     assertEquals(1, testTable.size());
117   }
118 
119   public void testValues() {
120     assertThat(testTable.values()).has().item("blah");
121   }
122 
123   @Override Iterable<ImmutableTable<Character, Integer, String>> getTestInstances() {
124     return ImmutableSet.of(testTable);
125   }
126 }
127