| /* |
| * 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.collect.testing.Helpers.NullsBeforeTwo; |
| import com.google.common.collect.testing.MapTestSuiteBuilder; |
| import com.google.common.collect.testing.SafeTreeMap; |
| import com.google.common.collect.testing.SortedMapTestSuiteBuilder; |
| import com.google.common.collect.testing.TestStringSortedMapGenerator; |
| import com.google.common.collect.testing.features.CollectionFeature; |
| import com.google.common.collect.testing.features.CollectionSize; |
| import com.google.common.collect.testing.features.MapFeature; |
| |
| import junit.framework.Test; |
| import junit.framework.TestSuite; |
| |
| import java.util.Collection; |
| import java.util.Comparator; |
| import java.util.Iterator; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| import java.util.Set; |
| import java.util.SortedMap; |
| |
| /** |
| * Tests for {@code ForwardingSortedMap}. |
| * |
| * @author Robert Konigsberg |
| */ |
| public class ForwardingSortedMapTest extends ForwardingMapTest { |
| static class StandardImplForwardingSortedMap<K, V> |
| extends ForwardingSortedMap<K, V> { |
| private final SortedMap<K, V> backingMap; |
| |
| StandardImplForwardingSortedMap(SortedMap<K, V> backingMap) { |
| this.backingMap = backingMap; |
| } |
| |
| @Override protected SortedMap<K, V> delegate() { |
| return backingMap; |
| } |
| |
| @Override public boolean containsKey(Object key) { |
| return standardContainsKey(key); |
| } |
| |
| @Override public boolean containsValue(Object value) { |
| return standardContainsValue(value); |
| } |
| |
| @Override public void putAll(Map<? extends K, ? extends V> map) { |
| standardPutAll(map); |
| } |
| |
| /* This test would fail due to a bug fixed in JDK7 |
| @Override public V remove(Object object) { |
| return standardRemove(object); |
| } |
| */ |
| |
| @Override public boolean equals(Object object) { |
| return standardEquals(object); |
| } |
| |
| @Override public int hashCode() { |
| return standardHashCode(); |
| } |
| |
| @Override public Set<K> keySet() { |
| return new StandardKeySet(); |
| } |
| |
| @Override public Collection<V> values() { |
| return new StandardValues(); |
| } |
| |
| @Override public String toString() { |
| return standardToString(); |
| } |
| |
| @Override public Set<Entry<K, V>> entrySet() { |
| return new StandardEntrySet() { |
| @Override |
| public Iterator<Entry<K, V>> iterator() { |
| return backingMap.entrySet().iterator(); |
| } |
| }; |
| } |
| |
| @Override public void clear() { |
| standardClear(); |
| } |
| |
| @Override public boolean isEmpty() { |
| return standardIsEmpty(); |
| } |
| |
| @Override public SortedMap<K, V> subMap(K fromKey, K toKey) { |
| return standardSubMap(fromKey, toKey); |
| } |
| } |
| |
| public static Test suite() { |
| TestSuite suite = new TestSuite(); |
| |
| suite.addTestSuite(ForwardingSortedMapTest.class); |
| suite.addTest(SortedMapTestSuiteBuilder.using(new TestStringSortedMapGenerator() { |
| @Override protected SortedMap<String, String> create( |
| Entry<String, String>[] entries) { |
| SortedMap<String, String> map = new SafeTreeMap<String, String>(); |
| for (Entry<String, String> entry : entries) { |
| map.put(entry.getKey(), entry.getValue()); |
| } |
| return new StandardImplForwardingSortedMap<String, String>(map); |
| } |
| }).named("ForwardingSortedMap[SafeTreeMap] with no comparator and standard " |
| + "implementations").withFeatures(CollectionSize.ANY, |
| CollectionFeature.KNOWN_ORDER, MapFeature.ALLOWS_NULL_VALUES, |
| MapFeature.GENERAL_PURPOSE, CollectionFeature.SUPPORTS_ITERATOR_REMOVE) |
| .createTestSuite()); |
| suite.addTest(MapTestSuiteBuilder.using(new TestStringSortedMapGenerator() { |
| private final Comparator<String> comparator = NullsBeforeTwo.INSTANCE; |
| |
| @Override protected SortedMap<String, String> create( |
| Entry<String, String>[] entries) { |
| SortedMap<String, String> map = |
| new SafeTreeMap<String, String>(comparator); |
| for (Entry<String, String> entry : entries) { |
| map.put(entry.getKey(), entry.getValue()); |
| } |
| return new StandardImplForwardingSortedMap<String, String>(map); |
| } |
| }).named("ForwardingSortedMap[SafeTreeMap] with natural comparator and " |
| + "standard implementations").withFeatures(CollectionSize.ANY, |
| CollectionFeature.KNOWN_ORDER, MapFeature.ALLOWS_NULL_VALUES, |
| MapFeature.ALLOWS_NULL_KEYS, MapFeature.ALLOWS_ANY_NULL_QUERIES, |
| MapFeature.GENERAL_PURPOSE, |
| CollectionFeature.SUPPORTS_ITERATOR_REMOVE).createTestSuite()); |
| suite.addTest(SortedMapTestSuiteBuilder.using(new TestStringSortedMapGenerator() { |
| @Override protected SortedMap<String, String> create( |
| Entry<String, String>[] entries) { |
| ImmutableSortedMap.Builder<String, String> builder = |
| ImmutableSortedMap.naturalOrder(); |
| for (Entry<String, String> entry : entries) { |
| builder.put(entry.getKey(), entry.getValue()); |
| } |
| return new StandardImplForwardingSortedMap<String, String>( |
| builder.build()); |
| } |
| }).named("ForwardingSortedMap[ImmutableSortedMap] with standard " |
| + "implementations").withFeatures( |
| CollectionSize.ANY, MapFeature.REJECTS_DUPLICATES_AT_CREATION, |
| MapFeature.ALLOWS_ANY_NULL_QUERIES) |
| .createTestSuite()); |
| |
| return suite; |
| } |
| |
| @Override public void setUp() throws Exception { |
| super.setUp(); |
| /* |
| * Class parameters must be raw, so we can't create a proxy with generic |
| * type arguments. The created proxy only records calls and returns null, so |
| * the type is irrelevant at runtime. |
| */ |
| @SuppressWarnings("unchecked") |
| final SortedMap<String, Boolean> sortedMap = |
| createProxyInstance(SortedMap.class); |
| forward = new ForwardingSortedMap<String, Boolean>() { |
| @Override protected SortedMap<String, Boolean> delegate() { |
| return sortedMap; |
| } |
| }; |
| } |
| |
| public void testComparator() { |
| forward().comparator(); |
| assertEquals("[comparator]", getCalls()); |
| } |
| |
| public void testFirstKey() { |
| forward().firstKey(); |
| assertEquals("[firstKey]", getCalls()); |
| } |
| |
| public void testHeadMap_K() { |
| forward().headMap("asdf"); |
| assertEquals("[headMap(Object)]", getCalls()); |
| } |
| |
| public void testLastKey() { |
| forward().lastKey(); |
| assertEquals("[lastKey]", getCalls()); |
| } |
| |
| public void testSubMap_K_K() { |
| forward().subMap("first", "last"); |
| assertEquals("[subMap(Object,Object)]", getCalls()); |
| } |
| |
| public void testTailMap_K() { |
| forward().tailMap("last"); |
| assertEquals("[tailMap(Object)]", getCalls()); |
| } |
| |
| @Override SortedMap<String, Boolean> forward() { |
| return (SortedMap<String, Boolean>) super.forward(); |
| } |
| } |