Java example source code file (ImmutableMultimapAsMapImplementsMapTest.java)

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Java - Java tags/keywords

abstractmultimapasmapimplementsmaptest, collection, gwtcompatible, immutablemultimapasmapimplementsmaptest, integer, map, override, util

The ImmutableMultimapAsMapImplementsMapTest.java Java example source code

/*
 * Copyright (C) 2008 The Guava Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.collect;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.testing.MapInterfaceTest;

import java.util.Collection;
import java.util.Map;

/**
 * Test {@link Multimap#asMap()} for an {@link ImmutableMultimap} with
 * {@link MapInterfaceTest}.
 *
 * @author Jared Levy
 */
@GwtCompatible
public class ImmutableMultimapAsMapImplementsMapTest
    extends AbstractMultimapAsMapImplementsMapTest {

  public ImmutableMultimapAsMapImplementsMapTest() {
    super(false, false, false);
  }

  @Override protected Map<String, Collection makeEmptyMap() {
    return ImmutableMultimap.<String, Integer>of().asMap();
  }

  @Override protected Map<String, Collection makePopulatedMap() {
    Multimap<String, Integer> delegate = HashMultimap.create();
    populate(delegate);
    return ImmutableMultimap.copyOf(delegate).asMap();
  }
}