001/*
002 * Copyright (C) 2012 The Guava Authors
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package com.google.common.collect.testing.google;
018
019import static com.google.common.collect.testing.Helpers.assertContentsAnyOrder;
020import static com.google.common.collect.testing.features.CollectionSize.ZERO;
021import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_KEYS;
022import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_VALUES;
023import static com.google.common.collect.testing.features.MapFeature.SUPPORTS_PUT;
024import static com.google.common.collect.testing.features.MapFeature.SUPPORTS_REMOVE;
025
026import com.google.common.annotations.GwtCompatible;
027import com.google.common.collect.Multimap;
028import com.google.common.collect.testing.Helpers;
029import com.google.common.collect.testing.features.CollectionSize;
030import com.google.common.collect.testing.features.MapFeature;
031import java.util.ArrayList;
032import java.util.Arrays;
033import java.util.Collection;
034import java.util.Collections;
035import java.util.List;
036import org.junit.Ignore;
037
038/**
039 * Tests for {@link Multimap#replaceValues(Object, Iterable)}.
040 *
041 * @author Louis Wasserman
042 */
043@GwtCompatible
044@Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
045public class MultimapReplaceValuesTester<K, V>
046    extends AbstractMultimapTester<K, V, Multimap<K, V>> {
047
048  @MapFeature.Require({SUPPORTS_PUT, SUPPORTS_REMOVE, ALLOWS_NULL_VALUES})
049  public void testReplaceValuesWithNullValue() {
050    @SuppressWarnings("unchecked")
051    List<V> values = Arrays.asList(v0(), null, v3());
052    multimap().replaceValues(k0(), values);
053    assertGet(k0(), values);
054  }
055
056  @MapFeature.Require({SUPPORTS_PUT, SUPPORTS_REMOVE, ALLOWS_NULL_KEYS})
057  public void testReplaceValuesWithNullKey() {
058    @SuppressWarnings("unchecked")
059    List<V> values = Arrays.asList(v0(), v2(), v3());
060    multimap().replaceValues(null, values);
061    assertGet(null, values);
062  }
063
064  @MapFeature.Require({SUPPORTS_PUT, SUPPORTS_REMOVE})
065  public void testReplaceEmptyValues() {
066    int size = multimap().size();
067    @SuppressWarnings("unchecked")
068    List<V> values = Arrays.asList(v0(), v2(), v3());
069    multimap().replaceValues(k3(), values);
070    assertGet(k3(), values);
071    assertEquals(size + values.size(), multimap().size());
072  }
073
074  @MapFeature.Require({SUPPORTS_PUT, SUPPORTS_REMOVE})
075  public void testReplaceValuesWithEmpty() {
076    int size = multimap().size();
077    List<V> oldValues = new ArrayList<>(multimap().get(k0()));
078    @SuppressWarnings("unchecked")
079    List<V> values = Collections.emptyList();
080    assertEquals(oldValues, new ArrayList<V>(multimap().replaceValues(k0(), values)));
081    assertGet(k0());
082    assertEquals(size - oldValues.size(), multimap().size());
083  }
084
085  @MapFeature.Require({SUPPORTS_PUT, SUPPORTS_REMOVE})
086  public void testReplaceValuesWithDuplicates() {
087    int size = multimap().size();
088    List<V> oldValues = new ArrayList<>(multimap().get(k0()));
089    List<V> values = Arrays.asList(v0(), v3(), v0());
090    assertEquals(oldValues, new ArrayList<V>(multimap().replaceValues(k0(), values)));
091    assertEquals(size - oldValues.size() + multimap().get(k0()).size(), multimap().size());
092    assertTrue(multimap().get(k0()).containsAll(values));
093  }
094
095  @CollectionSize.Require(absent = ZERO)
096  @MapFeature.Require({SUPPORTS_PUT, SUPPORTS_REMOVE})
097  public void testReplaceNonEmptyValues() {
098    List<K> keys = Helpers.copyToList(multimap().keySet());
099    @SuppressWarnings("unchecked")
100    List<V> values = Arrays.asList(v0(), v2(), v3());
101
102    for (K k : keys) {
103      resetContainer();
104
105      int size = multimap().size();
106      Collection<V> oldKeyValues = Helpers.copyToList(multimap().get(k));
107      multimap().replaceValues(k, values);
108      assertGet(k, values);
109      assertEquals(size + values.size() - oldKeyValues.size(), multimap().size());
110    }
111  }
112
113  @MapFeature.Require({SUPPORTS_PUT, SUPPORTS_REMOVE})
114  public void testReplaceValuesPropagatesToGet() {
115    Collection<V> getCollection = multimap().get(k0());
116    @SuppressWarnings("unchecked")
117    List<V> values = Arrays.asList(v0(), v2(), v3());
118    multimap().replaceValues(k0(), values);
119    assertContentsAnyOrder(getCollection, v0(), v2(), v3());
120  }
121
122  @MapFeature.Require(absent = SUPPORTS_REMOVE)
123  @CollectionSize.Require(absent = ZERO)
124  public void testReplaceValuesRemoveNotSupported() {
125    List<V> values = Collections.singletonList(v3());
126    try {
127      multimap().replaceValues(k0(), values);
128      fail("Expected UnsupportedOperationException");
129    } catch (UnsupportedOperationException expected) {
130      // success
131    }
132  }
133
134  @MapFeature.Require(absent = SUPPORTS_PUT)
135  public void testReplaceValuesPutNotSupported() {
136    List<V> values = Collections.singletonList(v3());
137    try {
138      multimap().replaceValues(k0(), values);
139      fail("Expected UnsupportedOperationException");
140    } catch (UnsupportedOperationException expected) {
141      // success
142    }
143  }
144}