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/*
* Copyright (C) 2007 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 java.util.SortedMap;
@GwtCompatible
public class FilteredSortedMapTest extends AbstractFilteredMapTest {
@Override
SortedMap<String, Integer> createUnfiltered() {
return Maps.newTreeMap();
}
public void testFirstAndLastKeyFilteredMap() {
SortedMap<String, Integer> unfiltered = createUnfiltered();
unfiltered.put("apple", 2);
unfiltered.put("banana", 6);
unfiltered.put("cat", 3);
unfiltered.put("dog", 5);
SortedMap<String, Integer> filtered = Maps.filterEntries(unfiltered, CORRECT_LENGTH);
assertEquals("banana", filtered.firstKey());
assertEquals("cat", filtered.lastKey());
}
public void testHeadSubTailMap_FilteredMap() {
SortedMap<String, Integer> unfiltered = createUnfiltered();
unfiltered.put("apple", 2);
unfiltered.put("banana", 6);
unfiltered.put("cat", 4);
unfiltered.put("dog", 3);
SortedMap<String, Integer> filtered = Maps.filterEntries(unfiltered, CORRECT_LENGTH);
assertEquals(ImmutableMap.of("banana", 6), filtered.headMap("dog"));
assertEquals(ImmutableMap.of(), filtered.headMap("banana"));
assertEquals(ImmutableMap.of("banana", 6, "dog", 3), filtered.headMap("emu"));
assertEquals(ImmutableMap.of("banana", 6), filtered.subMap("banana", "dog"));
assertEquals(ImmutableMap.of("dog", 3), filtered.subMap("cat", "emu"));
assertEquals(ImmutableMap.of("dog", 3), filtered.tailMap("cat"));
assertEquals(ImmutableMap.of("banana", 6, "dog", 3), filtered.tailMap("banana"));
}
}
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