| /* |
| * 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 static com.google.common.base.Preconditions.checkArgument; |
| |
| import com.google.common.collect.Synchronized.SynchronizedBiMap; |
| import com.google.common.collect.Synchronized.SynchronizedSet; |
| 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 com.google.common.collect.testing.google.BiMapInverseTester; |
| import com.google.common.collect.testing.google.BiMapTestSuiteBuilder; |
| import com.google.common.collect.testing.google.TestStringBiMapGenerator; |
| import java.util.Map.Entry; |
| import java.util.Set; |
| import java.util.function.BiFunction; |
| import junit.framework.TestSuite; |
| |
| /** |
| * Tests for {@code Synchronized#biMap}. |
| * |
| * @author Mike Bostock |
| */ |
| public class SynchronizedBiMapTest extends SynchronizedMapTest { |
| |
| public static TestSuite suite() { |
| TestSuite suite = new TestSuite(SynchronizedBiMapTest.class); |
| suite.addTest( |
| BiMapTestSuiteBuilder.using(new SynchTestingBiMapGenerator()) |
| .named("Synchronized.biMap[TestBiMap]") |
| .withFeatures( |
| CollectionSize.ANY, |
| CollectionFeature.SUPPORTS_ITERATOR_REMOVE, |
| MapFeature.ALLOWS_NULL_KEYS, |
| MapFeature.ALLOWS_NULL_VALUES, |
| MapFeature.ALLOWS_ANY_NULL_QUERIES, |
| MapFeature.GENERAL_PURPOSE, |
| MapFeature.REJECTS_DUPLICATES_AT_CREATION) |
| .createTestSuite()); |
| suite.addTest( |
| BiMapTestSuiteBuilder.using(new SynchronizedHashBiMapGenerator()) |
| .named("synchronizedBiMap[HashBiMap]") |
| .withFeatures( |
| CollectionSize.ANY, |
| CollectionFeature.SUPPORTS_ITERATOR_REMOVE, |
| MapFeature.ALLOWS_NULL_KEYS, |
| MapFeature.ALLOWS_NULL_VALUES, |
| MapFeature.ALLOWS_ANY_NULL_QUERIES, |
| MapFeature.GENERAL_PURPOSE, |
| MapFeature.REJECTS_DUPLICATES_AT_CREATION, |
| CollectionFeature.SERIALIZABLE) |
| .suppressing(BiMapInverseTester.getInverseSameAfterSerializingMethods()) |
| .createTestSuite()); |
| return suite; |
| } |
| |
| @Override |
| protected <K, V> BiMap<K, V> create() { |
| TestBiMap<K, V> inner = new TestBiMap<>(HashBiMap.<K, V>create(), mutex); |
| BiMap<K, V> outer = Synchronized.biMap(inner, mutex); |
| return outer; |
| } |
| |
| public static final class SynchronizedHashBiMapGenerator extends TestStringBiMapGenerator { |
| @Override |
| protected BiMap<String, String> create(Entry<String, String>[] entries) { |
| Object mutex = new Object(); |
| BiMap<String, String> result = HashBiMap.create(); |
| for (Entry<String, String> entry : entries) { |
| checkArgument(!result.containsKey(entry.getKey())); |
| result.put(entry.getKey(), entry.getValue()); |
| } |
| return Maps.synchronizedBiMap(result); |
| } |
| } |
| |
| public static final class SynchTestingBiMapGenerator extends TestStringBiMapGenerator { |
| @Override |
| protected BiMap<String, String> create(Entry<String, String>[] entries) { |
| Object mutex = new Object(); |
| BiMap<String, String> backing = new TestBiMap<>(HashBiMap.<String, String>create(), mutex); |
| BiMap<String, String> result = Synchronized.biMap(backing, mutex); |
| for (Entry<String, String> entry : entries) { |
| checkArgument(!result.containsKey(entry.getKey())); |
| result.put(entry.getKey(), entry.getValue()); |
| } |
| return result; |
| } |
| } |
| |
| static class TestBiMap<K, V> extends TestMap<K, V> implements BiMap<K, V> { |
| private final BiMap<K, V> delegate; |
| |
| public TestBiMap(BiMap<K, V> delegate, Object mutex) { |
| super(delegate, mutex); |
| this.delegate = delegate; |
| } |
| |
| @Override |
| public V forcePut(K key, V value) { |
| assertTrue(Thread.holdsLock(mutex)); |
| return delegate.forcePut(key, value); |
| } |
| |
| @Override |
| public BiMap<V, K> inverse() { |
| assertTrue(Thread.holdsLock(mutex)); |
| return delegate.inverse(); |
| } |
| |
| @Override |
| public void replaceAll(BiFunction<? super K, ? super V, ? extends V> function) { |
| assertTrue(Thread.holdsLock(mutex)); |
| delegate.replaceAll(function); |
| } |
| |
| @Override |
| public Set<V> values() { |
| assertTrue(Thread.holdsLock(mutex)); |
| return delegate.values(); |
| } |
| |
| private static final long serialVersionUID = 0; |
| } |
| |
| public void testForcePut() { |
| create().forcePut(null, null); |
| } |
| |
| public void testInverse() { |
| BiMap<String, Integer> bimap = create(); |
| BiMap<Integer, String> inverse = bimap.inverse(); |
| assertSame(bimap, inverse.inverse()); |
| assertTrue(inverse instanceof SynchronizedBiMap); |
| assertSame(mutex, ((SynchronizedBiMap<?, ?>) inverse).mutex); |
| } |
| |
| @Override |
| public void testValues() { |
| BiMap<String, Integer> map = create(); |
| Set<Integer> values = map.values(); |
| assertTrue(values instanceof SynchronizedSet); |
| assertSame(mutex, ((SynchronizedSet<?>) values).mutex); |
| } |
| } |