001/*
002 * Copyright (C) 2008 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;
018
019import static com.google.common.collect.testing.Helpers.orderEntriesByKey;
020
021import com.google.common.annotations.GwtCompatible;
022import java.util.List;
023import java.util.Map.Entry;
024import java.util.SortedMap;
025
026/**
027 * Implementation helper for {@link TestMapGenerator} for use with sorted maps of strings.
028 *
029 * @author Chris Povirk
030 */
031@GwtCompatible
032@ElementTypesAreNonnullByDefault
033public abstract class TestStringSortedMapGenerator extends TestStringMapGenerator
034    implements TestSortedMapGenerator<String, String> {
035  @Override
036  public Entry<String, String> belowSamplesLesser() {
037    return Helpers.mapEntry("!! a", "below view");
038  }
039
040  @Override
041  public Entry<String, String> belowSamplesGreater() {
042    return Helpers.mapEntry("!! b", "below view");
043  }
044
045  @Override
046  public Entry<String, String> aboveSamplesLesser() {
047    return Helpers.mapEntry("~~ a", "above view");
048  }
049
050  @Override
051  public Entry<String, String> aboveSamplesGreater() {
052    return Helpers.mapEntry("~~ b", "above view");
053  }
054
055  @Override
056  public Iterable<Entry<String, String>> order(List<Entry<String, String>> insertionOrder) {
057    return orderEntriesByKey(insertionOrder);
058  }
059
060  @Override
061  protected abstract SortedMap<String, String> create(Entry<String, String>[] entries);
062
063  @Override
064  public SortedMap<String, String> create(Object... entries) {
065    return (SortedMap<String, String>) super.create(entries);
066  }
067}