/**
* Copyright (c) 2002-2011 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.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 Affero 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.kernel.impl.util;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
import org.neo4j.kernel.impl.util.ArrayIntSet;
public class TestArrayIntSet
{
@Test
public void testArrayIntSet()
{
ArrayIntSet set = new ArrayIntSet();
set.add( 1 );
set.add( 2 );
set.add( 3 );
set.add( 4 );
set.add( 5 );
set.add( 6 );
set.add( 7 );
set.add( 8 );
set.add( 9 );
set.add( 10 );
int count = 0;
for ( int value : set.values() )
{
assertTrue( set.contains( value ) );
count++;
}
assertEquals( 10, count );
assertTrue( set.remove( 2 ) );
assertTrue( set.remove( 9 ) );
assertTrue( set.remove( 5 ) );
assertTrue( !set.remove( 2 ) );
assertTrue( !set.remove( 9 ) );
assertTrue( !set.remove( 5 ) );
count = 0;
for ( int value : set.values() )
{
assertTrue( set.contains( value ) );
count++;
}
assertEquals( 7, count );
assertTrue( set.remove( 3 ) );
assertTrue( set.remove( 8 ) );
assertTrue( set.remove( 4 ) );
assertTrue( !set.remove( 3 ) );
assertTrue( !set.remove( 8 ) );
assertTrue( !set.remove( 4 ) );
count = 0;
for ( int value : set.values() )
{
assertTrue( set.contains( value ) );
count++;
}
assertEquals( 4, count );
assertTrue( set.remove( 1 ) );
assertTrue( set.remove( 7 ) );
assertTrue( set.remove( 6 ) );
assertTrue( !set.remove( 1 ) );
assertTrue( !set.remove( 7 ) );
assertTrue( !set.remove( 6 ) );
count = 0;
for ( int value : set.values() )
{
assertTrue( set.contains( value ) );
count++;
}
assertEquals( 1, count );
assertTrue( set.remove( 10 ) );
assertTrue( !set.remove( 10 ) );
count = 0;
for ( int value : set.values() )
{
assertTrue( set.contains( value ) );
count++;
}
assertEquals( 0, count );
}
@Test
public void testContains()
{
ArrayIntSet set = new ArrayIntSet();
for ( int i = 0; i < 10; i++ )
{
set.add( i );
assertTrue( set.contains( i ) );
}
for ( int i = 0; i < 10; i++ )
{
assertTrue( set.contains( i ) );
}
for ( int i = 0; i < 10; i+=2 )
{
set.remove( i );
assertTrue( !set.contains( i ) );
}
for ( int i = 0; i < 10; i++ )
{
if ( i % 2 == 0 )
{
assertTrue( !set.contains( i ) );
}
else
{
assertTrue( set.contains( i ) );
}
}
for ( int i = 0; i < 1000; i++ )
{
set.add( i );
assertTrue( set.contains( i ) );
}
for ( int i = 0; i < 1000; i++ )
{
assertTrue( set.contains( i ) );
}
for ( int i = 0; i < 1000; i+=2 )
{
set.remove( i );
assertTrue( !set.contains( i ) );
}
for ( int i = 0; i < 1000; i++ )
{
if ( i % 2 == 0 )
{
assertTrue( !set.contains( i ) );
}
else
{
assertTrue( set.contains( i ) );
}
}
}
}