/*
* Copyright 2015 Goldman Sachs.
*
* 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.gs.collections.impl.map.mutable;
import com.gs.collections.api.map.ConcurrentMutableMap;
import com.gs.collections.api.map.MapIterable;
import com.gs.collections.api.map.MutableMap;
import com.gs.collections.api.partition.PartitionIterable;
import com.gs.collections.impl.block.factory.IntegerPredicates;
import com.gs.collections.impl.block.factory.Predicates2;
import com.gs.collections.impl.factory.Maps;
import com.gs.collections.impl.list.mutable.FastList;
import com.gs.collections.impl.set.mutable.UnifiedSet;
import com.gs.collections.impl.test.Verify;
import com.gs.collections.impl.tuple.ImmutableEntry;
import org.junit.Assert;
import org.junit.Test;
import static com.gs.collections.impl.factory.Iterables.*;
/**
* JUnit test for {@link ConcurrentMutableHashMap}.
*/
public class ConcurrentMutableHashMapTest extends ConcurrentHashMapTestCase
{
@Override
public <K, V> ConcurrentMutableMap<K, V> newMap()
{
return ConcurrentMutableHashMap.newMap();
}
@Override
public <K, V> ConcurrentMutableMap<K, V> newMapWithKeyValue(K key, V value)
{
return ConcurrentMutableHashMap.<K, V>newMap().withKeyValue(key, value);
}
@Override
public <K, V> ConcurrentMutableMap<K, V> newMapWithKeysValues(K key1, V value1, K key2, V value2)
{
return ConcurrentMutableHashMap.<K, V>newMap().withKeyValue(key1, value1).withKeyValue(key2, value2);
}
@Override
public <K, V> ConcurrentMutableMap<K, V> newMapWithKeysValues(K key1, V value1, K key2, V value2, K key3, V value3)
{
return ConcurrentMutableHashMap.<K, V>newMap()
.withKeyValue(key1, value1)
.withKeyValue(key2, value2)
.withKeyValue(key3, value3);
}
@Override
public <K, V> ConcurrentMutableMap<K, V> newMapWithKeysValues(K key1, V value1, K key2, V value2, K key3, V value3, K key4, V value4)
{
return ConcurrentMutableHashMap.<K, V>newMap()
.withKeyValue(key1, value1)
.withKeyValue(key2, value2)
.withKeyValue(key3, value3)
.withKeyValue(key4, value4);
}
@Test
public void putIfAbsent()
{
ConcurrentMutableMap<Integer, Integer> map = this.newMapWithKeysValues(1, 1, 2, 2);
Assert.assertEquals(Integer.valueOf(1), map.putIfAbsent(1, 1));
Assert.assertNull(map.putIfAbsent(3, 3));
}
@Test
public void replace()
{
ConcurrentMutableMap<Integer, Integer> map = this.newMapWithKeysValues(1, 1, 2, 2);
Assert.assertEquals(Integer.valueOf(1), map.replace(1, 1));
Assert.assertNull(map.replace(3, 3));
}
@Test
public void replaceWithOldValue()
{
ConcurrentMutableMap<Integer, Integer> map = this.newMapWithKeysValues(1, 1, 2, 2);
Assert.assertTrue(map.replace(1, 1, 1));
Assert.assertFalse(map.replace(2, 3, 3));
}
@Test
public void removeWithKeyValue()
{
ConcurrentMutableMap<Integer, Integer> map = this.newMapWithKeysValues(1, 1, 2, 2);
Assert.assertTrue(map.remove(1, 1));
Assert.assertFalse(map.remove(2, 3));
}
@Override
@Test
public void removeFromEntrySet()
{
MutableMap<String, Integer> map = this.newMapWithKeysValues("One", 1, "Two", 2, "Three", 3);
Assert.assertTrue(map.entrySet().remove(ImmutableEntry.of("Two", 2)));
Assert.assertEquals(UnifiedMap.newWithKeysValues("One", 1, "Three", 3), map);
Assert.assertFalse(map.entrySet().remove(ImmutableEntry.of("Four", 4)));
Assert.assertEquals(UnifiedMap.newWithKeysValues("One", 1, "Three", 3), map);
}
@Override
@Test
public void removeAllFromEntrySet()
{
MutableMap<String, Integer> map = this.newMapWithKeysValues("One", 1, "Two", 2, "Three", 3);
Assert.assertTrue(map.entrySet().removeAll(FastList.newListWith(
ImmutableEntry.of("One", 1),
ImmutableEntry.of("Three", 3))));
Assert.assertEquals(UnifiedMap.newWithKeysValues("Two", 2), map);
Assert.assertFalse(map.entrySet().removeAll(FastList.newListWith(ImmutableEntry.of("Four", 4))));
Assert.assertEquals(UnifiedMap.newWithKeysValues("Two", 2), map);
}
@Override
@Test
public void keySetEqualsAndHashCode()
{
MutableMap<String, Integer> map = this.newMapWithKeysValues("One", 1, "Two", 2, "Three", 3);
Verify.assertEqualsAndHashCode(UnifiedSet.newSetWith("One", "Two", "Three"), map.keySet());
}
@Override
@Test
public void partition_value()
{
MapIterable<String, Integer> map = this.newMapWithKeysValues(
"A", 1,
"B", 2,
"C", 3,
"D", 4);
PartitionIterable<Integer> partition = map.partition(IntegerPredicates.isEven());
Assert.assertEquals(iSet(2, 4), partition.getSelected().toSet());
Assert.assertEquals(iSet(1, 3), partition.getRejected().toSet());
}
@Override
@Test
public void partitionWith_value()
{
MapIterable<String, Integer> map = this.newMapWithKeysValues(
"A", 1,
"B", 2,
"C", 3,
"D", 4);
PartitionIterable<Integer> partition = map.partitionWith(Predicates2.in(), map.select(IntegerPredicates.isEven()));
Assert.assertEquals(iSet(2, 4), partition.getSelected().toSet());
Assert.assertEquals(iSet(1, 3), partition.getRejected().toSet());
}
@Override
public void equalsAndHashCode()
{
// java.util.concurrent.ConcurrentHashMap doesn't support null keys OR values
MapIterable<Integer, String> map = this.newMapWithKeysValues(1, "1", 2, "2", 3, "3");
Verify.assertPostSerializedEqualsAndHashCode(map);
Verify.assertEqualsAndHashCode(Maps.mutable.of(1, "1", 2, "2", 3, "3"), map);
Verify.assertEqualsAndHashCode(Maps.immutable.of(1, "1", 2, "2", 3, "3"), map);
Assert.assertNotEquals(map, this.newMapWithKeysValues(1, "1", 2, "2"));
Assert.assertNotEquals(map, this.newMapWithKeysValues(1, "1", 2, "2", 3, "3", 4, "4"));
Assert.assertNotEquals(map, this.newMapWithKeysValues(1, "1", 2, "2", 4, "4"));
}
}