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    List<V> values = Arrays.asList(v0(), null, v3());
051    multimap().replaceValues(k0(), values);
052    assertGet(k0(), values);
053  }
054
055  @MapFeature.Require({SUPPORTS_PUT, SUPPORTS_REMOVE, ALLOWS_NULL_KEYS})
056  public void testReplaceValuesWithNullKey() {
057    List<V> values = Arrays.asList(v0(), v2(), v3());
058    multimap().replaceValues(null, values);
059    assertGet(null, values);
060  }
061
062  @MapFeature.Require({SUPPORTS_PUT, SUPPORTS_REMOVE})
063  public void testReplaceEmptyValues() {
064    int size = multimap().size();
065    List<V> values = Arrays.asList(v0(), v2(), v3());
066    multimap().replaceValues(k3(), values);
067    assertGet(k3(), values);
068    assertEquals(size + values.size(), multimap().size());
069  }
070
071  @MapFeature.Require({SUPPORTS_PUT, SUPPORTS_REMOVE})
072  public void testReplaceValuesWithEmpty() {
073    int size = multimap().size();
074    List<V> oldValues = new ArrayList<>(multimap().get(k0()));
075    List<V> values = Collections.emptyList();
076    assertEquals(oldValues, new ArrayList<V>(multimap().replaceValues(k0(), values)));
077    assertGet(k0());
078    assertEquals(size - oldValues.size(), multimap().size());
079  }
080
081  @MapFeature.Require({SUPPORTS_PUT, SUPPORTS_REMOVE})
082  public void testReplaceValuesWithDuplicates() {
083    int size = multimap().size();
084    List<V> oldValues = new ArrayList<>(multimap().get(k0()));
085    List<V> values = Arrays.asList(v0(), v3(), v0());
086    assertEquals(oldValues, new ArrayList<V>(multimap().replaceValues(k0(), values)));
087    assertEquals(size - oldValues.size() + multimap().get(k0()).size(), multimap().size());
088    assertTrue(multimap().get(k0()).containsAll(values));
089  }
090
091  @CollectionSize.Require(absent = ZERO)
092  @MapFeature.Require({SUPPORTS_PUT, SUPPORTS_REMOVE})
093  public void testReplaceNonEmptyValues() {
094    List<K> keys = Helpers.copyToList(multimap().keySet());
095    List<V> values = Arrays.asList(v0(), v2(), v3());
096
097    for (K k : keys) {
098      resetContainer();
099
100      int size = multimap().size();
101      Collection<V> oldKeyValues = Helpers.copyToList(multimap().get(k));
102      multimap().replaceValues(k, values);
103      assertGet(k, values);
104      assertEquals(size + values.size() - oldKeyValues.size(), multimap().size());
105    }
106  }
107
108  @MapFeature.Require({SUPPORTS_PUT, SUPPORTS_REMOVE})
109  public void testReplaceValuesPropagatesToGet() {
110    Collection<V> getCollection = multimap().get(k0());
111    List<V> values = Arrays.asList(v0(), v2(), v3());
112    multimap().replaceValues(k0(), values);
113    assertContentsAnyOrder(getCollection, v0(), v2(), v3());
114  }
115
116  @MapFeature.Require(absent = SUPPORTS_REMOVE)
117  @CollectionSize.Require(absent = ZERO)
118  public void testReplaceValuesRemoveNotSupported() {
119    List<V> values = Collections.singletonList(v3());
120    try {
121      multimap().replaceValues(k0(), values);
122      fail("Expected UnsupportedOperationException");
123    } catch (UnsupportedOperationException expected) {
124      // success
125    }
126  }
127
128  @MapFeature.Require(absent = SUPPORTS_PUT)
129  public void testReplaceValuesPutNotSupported() {
130    List<V> values = Collections.singletonList(v3());
131    try {
132      multimap().replaceValues(k0(), values);
133      fail("Expected UnsupportedOperationException");
134    } catch (UnsupportedOperationException expected) {
135      // success
136    }
137  }
138}