001/*
002 * Copyright (C) 2013 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.assertEqualIgnoringOrder;
018import static com.google.common.collect.testing.Helpers.assertEqualInOrder;
019import static com.google.common.collect.testing.features.CollectionFeature.KNOWN_ORDER;
020import static com.google.common.collect.testing.features.CollectionFeature.SUPPORTS_ITERATOR_REMOVE;
021import static com.google.common.collect.testing.features.CollectionSize.ONE;
022
023import com.google.common.annotations.GwtCompatible;
024import com.google.common.collect.Lists;
025import com.google.common.collect.Multimap;
026import com.google.common.collect.testing.features.CollectionFeature;
027import com.google.common.collect.testing.features.CollectionSize;
028import java.util.Iterator;
029import java.util.List;
030import java.util.Map.Entry;
031import org.junit.Ignore;
032
033/**
034 * Tester for {@code Multimap.values}.
035 *
036 * @author Louis Wasserman
037 */
038@GwtCompatible
039@Ignore("test runners must not instantiate and run this directly, only via suites we build")
040// @Ignore affects the Android test runner, which respects JUnit 4 annotations on JUnit 3 tests.
041@SuppressWarnings("JUnit4ClassUsedInJUnit3")
042public class MultimapValuesTester<K, V> extends AbstractMultimapTester<K, V, Multimap<K, V>> {
043  public void testValues() {
044    List<V> expected = Lists.newArrayList();
045    for (Entry<K, V> entry : getSampleElements()) {
046      expected.add(entry.getValue());
047    }
048    assertEqualIgnoringOrder(expected, multimap().values());
049  }
050
051  @CollectionFeature.Require(KNOWN_ORDER)
052  public void testValuesInOrder() {
053    List<V> expected = Lists.newArrayList();
054    for (Entry<K, V> entry : getOrderedElements()) {
055      expected.add(entry.getValue());
056    }
057    assertEqualInOrder(expected, multimap().values());
058  }
059
060  @CollectionFeature.Require(SUPPORTS_ITERATOR_REMOVE)
061  @CollectionSize.Require(ONE)
062  public void testValuesIteratorRemove() {
063    Iterator<V> valuesItr = multimap().values().iterator();
064    valuesItr.next();
065    valuesItr.remove();
066    assertTrue(multimap().isEmpty());
067  }
068}