001/*
002 * Copyright (C) 2012 The Guava Authors
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
005 * in compliance with the License. You may obtain a copy of the License at
006 *
007 * http://www.apache.org/licenses/LICENSE-2.0
008 *
009 * Unless required by applicable law or agreed to in writing, software distributed under the License
010 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
011 * or implied. See the License for the specific language governing permissions and limitations under
012 * the License.
013 */
014
015package com.google.common.collect.testing.google;
016
017import static com.google.common.collect.testing.Helpers.copyToList;
018import static com.google.common.collect.testing.Helpers.copyToSet;
019import static com.google.common.collect.testing.features.CollectionSize.ZERO;
020import static com.google.common.collect.testing.features.MapFeature.ALLOWS_NULL_VALUES;
021import static com.google.common.collect.testing.features.MapFeature.SUPPORTS_PUT;
022
023import com.google.common.annotations.GwtCompatible;
024import com.google.common.collect.SetMultimap;
025import com.google.common.collect.testing.features.CollectionSize;
026import com.google.common.collect.testing.features.MapFeature;
027import java.util.List;
028import java.util.Map.Entry;
029import java.util.Set;
030import org.junit.Ignore;
031
032/**
033 * Tests for {@link SetMultimap#replaceValues}.
034 *
035 * @author Louis Wasserman
036 */
037@GwtCompatible
038@Ignore // Affects only Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
039@SuppressWarnings("JUnit4ClassUsedInJUnit3")
040public class SetMultimapPutTester<K, V> extends AbstractMultimapTester<K, V, SetMultimap<K, V>> {
041  // Tests for non-duplicate values are in MultimapPutTester
042
043  @MapFeature.Require(SUPPORTS_PUT)
044  @CollectionSize.Require(absent = ZERO)
045  public void testPutDuplicateValuePreservesSize() {
046    assertFalse(multimap().put(k0(), v0()));
047    assertEquals(getNumElements(), multimap().size());
048  }
049
050  @MapFeature.Require(SUPPORTS_PUT)
051  public void testPutDuplicateValue() {
052    List<Entry<K, V>> entries = copyToList(multimap().entries());
053
054    for (Entry<K, V> entry : entries) {
055      resetContainer();
056      K k = entry.getKey();
057      V v = entry.getValue();
058
059      Set<V> values = multimap().get(k);
060      Set<V> expectedValues = copyToSet(values);
061
062      assertFalse(multimap().put(k, v));
063      assertEquals(expectedValues, values);
064      assertGet(k, expectedValues);
065    }
066  }
067
068  @MapFeature.Require({SUPPORTS_PUT, ALLOWS_NULL_VALUES})
069  @CollectionSize.Require(absent = ZERO)
070  public void testPutDuplicateValue_null() {
071    initMultimapWithNullValue();
072    assertFalse(multimap().put(getKeyForNullValue(), null));
073    expectContents(createArrayWithNullValue());
074  }
075}