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PrimitiveLongIntKeyValueArrayTest.java
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PrimitiveLongIntKeyValueArrayTest.java
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/*
* Copyright (c) 2002-2018 "Neo4j,"
* Neo4j Sweden AB [http://neo4j.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.bolt.v1.messaging;
import org.junit.Test;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.greaterThanOrEqualTo;
public class PrimitiveLongIntKeyValueArrayTest
{
private static final int DEFAULT_VALUE = -1;
@Test
public void testEnsureCapacity()
{
PrimitiveLongIntKeyValueArray map = new PrimitiveLongIntKeyValueArray();
assertThat( map.capacity(), equalTo( PrimitiveLongIntKeyValueArray.DEFAULT_INITIAL_CAPACITY
) );
map.ensureCapacity( 10 );
assertThat( map.capacity(), greaterThanOrEqualTo( 10 ) );
map.ensureCapacity( 100 );
assertThat( map.capacity(), greaterThanOrEqualTo( 100 ) );
map.ensureCapacity( 1000 );
assertThat( map.capacity(), greaterThanOrEqualTo( 1000 ) );
}
@Test
public void testSize()
{
PrimitiveLongIntKeyValueArray map = new PrimitiveLongIntKeyValueArray();
assertThat( map.size(), equalTo( 0 ) );
map.putIfAbsent( 1, 100 );
map.putIfAbsent( 2, 200 );
map.putIfAbsent( 3, 300 );
assertThat( map.size(), equalTo( 3 ) );
}
@Test
public void testGetOrDefault()
{
PrimitiveLongIntKeyValueArray map = new PrimitiveLongIntKeyValueArray();
map.putIfAbsent( 1, 100 );
map.putIfAbsent( 2, 200 );
map.putIfAbsent( 3, 300 );
assertThat( map.getOrDefault( 1, DEFAULT_VALUE ), equalTo( 100 ) );
assertThat( map.getOrDefault( 2, DEFAULT_VALUE ), equalTo( 200 ) );
assertThat( map.getOrDefault( 3, DEFAULT_VALUE ), equalTo( 300 ) );
assertThat( map.getOrDefault( 4, DEFAULT_VALUE ), equalTo( DEFAULT_VALUE ) );
}
@Test
public void testPutIfAbsent()
{
PrimitiveLongIntKeyValueArray map = new PrimitiveLongIntKeyValueArray();
assertThat( map.putIfAbsent( 1, 100 ), equalTo( true ) );
assertThat( map.putIfAbsent( 2, 200 ), equalTo( true ) );
assertThat( map.putIfAbsent( 3, 300 ), equalTo( true ) );
assertThat( map.size(), equalTo( 3 ) );
assertThat( map.keys(), equalTo( new long[]{1, 2, 3} ) );
assertThat( map.putIfAbsent( 2, 2000 ), equalTo( false ) );
assertThat( map.putIfAbsent( 3, 3000 ), equalTo( false ) );
assertThat( map.putIfAbsent( 4, 4000 ), equalTo( true ) );
assertThat( map.size(), equalTo( 4 ) );
assertThat( map.keys(), equalTo( new long[]{1, 2, 3, 4} ) );
assertThat( map.getOrDefault( 2, DEFAULT_VALUE ), equalTo( 200 ) );
assertThat( map.getOrDefault( 3, DEFAULT_VALUE ), equalTo( 300 ) );
assertThat( map.getOrDefault( 4, DEFAULT_VALUE ), equalTo( 4000 ) );
}
@Test
public void testReset()
{
PrimitiveLongIntKeyValueArray map = new PrimitiveLongIntKeyValueArray();
map.putIfAbsent( 1, 100 );
map.putIfAbsent( 2, 200 );
map.putIfAbsent( 3, 300 );
map.reset( 1000 );
assertThat( map.size(), equalTo( 0 ) );
assertThat( map.capacity(), greaterThanOrEqualTo( 1000 ) );
}
@Test
public void testKeys()
{
PrimitiveLongIntKeyValueArray map = new PrimitiveLongIntKeyValueArray();
map.putIfAbsent( 1, 100 );
map.putIfAbsent( 2, 200 );
map.putIfAbsent( 3, 300 );
map.putIfAbsent( 2, 200 );
map.putIfAbsent( 3, 300 );
map.putIfAbsent( 8, 800 );
map.putIfAbsent( 7, 700 );
map.putIfAbsent( 6, 600 );
map.putIfAbsent( 5, 500 );
assertThat( map.size(), equalTo( 7 ) );
assertThat( map.keys(), equalTo( new long[]{1, 2, 3, 8, 7, 6, 5} ) );
}
}