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      1 /*
      2  * Copyright (C) 2009 Google Inc.
      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 org.junit.contrib.truth.Truth.ASSERT;
     20 
     21 import com.google.common.base.Objects;
     22 import com.google.common.testing.EqualsTester;
     23 
     24 /**
     25  * Tests {@link SingletonImmutableTable}.
     26  *
     27  * @author gak (at) google.com (Gregory Kick)
     28  */
     29 public class SingletonImmutableTableTest extends AbstractImmutableTableTest {
     30   private final ImmutableTable<Character, Integer, String> testTable =
     31       new SingletonImmutableTable<Character, Integer, String>('a', 1, "blah");
     32 
     33   public void testHashCode() {
     34     assertEquals(Objects.hashCode('a', 1, "blah"), testTable.hashCode());
     35   }
     36 
     37   public void testCellSet() {
     38     assertEquals(ImmutableSet.of(Tables.immutableCell('a', 1, "blah")),
     39         testTable.cellSet());
     40   }
     41 
     42   public void testColumn() {
     43     assertEquals(ImmutableMap.of(), testTable.column(0));
     44     assertEquals(ImmutableMap.of('a', "blah"), testTable.column(1));
     45   }
     46 
     47   public void testColumnKeySet() {
     48     assertEquals(ImmutableSet.of(1), testTable.columnKeySet());
     49   }
     50 
     51   public void testColumnMap() {
     52     assertEquals(ImmutableMap.of(1, ImmutableMap.of('a', "blah")),
     53         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, ArrayTable.create(testTable),
     73             HashBasedTable.create(testTable))
     74         .addEqualityGroup(EmptyImmutableTable.INSTANCE,
     75             HashBasedTable.create())
     76         .addEqualityGroup(HashBasedTable.create(ImmutableTable.of('A', 2, "")))
     77         .testEquals();
     78   }
     79 
     80   public void testToString() {
     81     assertEquals("{a={1=blah}}", testTable.toString());
     82   }
     83 
     84   public void testContains() {
     85     assertTrue(testTable.contains('a', 1));
     86     assertFalse(testTable.contains('a', 2));
     87     assertFalse(testTable.contains('A', 1));
     88     assertFalse(testTable.contains('A', 2));
     89   }
     90 
     91   public void testContainsColumn() {
     92     assertTrue(testTable.containsColumn(1));
     93     assertFalse(testTable.containsColumn(2));
     94   }
     95 
     96   public void testContainsRow() {
     97     assertTrue(testTable.containsRow('a'));
     98     assertFalse(testTable.containsRow('A'));
     99   }
    100 
    101   public void testContainsValue() {
    102     assertTrue(testTable.containsValue("blah"));
    103     assertFalse(testTable.containsValue(""));
    104   }
    105 
    106   public void testGet() {
    107     assertEquals("blah", testTable.get('a', 1));
    108     assertNull(testTable.get('a', 2));
    109     assertNull(testTable.get('A', 1));
    110     assertNull(testTable.get('A', 2));
    111   }
    112 
    113   public void testIsEmpty() {
    114     assertFalse(testTable.isEmpty());
    115   }
    116 
    117   public void testSize() {
    118     assertEquals(1, testTable.size());
    119   }
    120 
    121   public void testValues() {
    122     ASSERT.that(testTable.values()).hasContentsInOrder("blah");
    123   }
    124 
    125   @Override Iterable<ImmutableTable<Character, Integer, String>>
    126       getTestInstances() {
    127     return ImmutableSet.of(testTable);
    128   }
    129 }
    130