/**
* Copyright 2010 JBoss Inc
*
* 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 org.drools.util;
/*
* Copyright 2005 JBoss Inc
*
* 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.
*/
import java.util.Collection;
import org.drools.core.util.PrimitiveLongMap;
import junit.framework.TestCase;
public class PrimitiveLongMapTest extends TestCase {
public void testValues() {
final PrimitiveLongMap map = new PrimitiveLongMap();
assertNotNull( "MapNotNullTest ",
map );
final Collection values = map.values();
assertNotNull( "ValuesNotNullTest ",
values );
assertEquals( "ValuesZeroSizeTest ",
0,
values.size() );
}
public void testPaging() {
final PrimitiveLongMap map = new PrimitiveLongMap( 32,
8 );
for ( int i = 0; i < 512; i++ ) {
final Integer value = new Integer( i );
final Object oldValue = map.put( i,
value );
assertNull( "OldValueNullTest ",
oldValue );
assertEquals( "OldValueNullTest ",
value,
map.get( i ) );
}
}
public void testGetWithNegativeKeyReturnsNull() {
final PrimitiveLongMap map = new PrimitiveLongMap( 2,
1 );
assertNull( map.get( -1 ) );
}
public void testRemoveWithNegativeReturnsNull() {
final PrimitiveLongMap map = new PrimitiveLongMap( 2,
1 );
assertNull( map.remove( -1 ) );
}
public void testPutWithNegativeKeyThrowsIllegalArgumentException() {
final PrimitiveLongMap map = new PrimitiveLongMap( 2,
1 );
try {
map.put( -1,
new Object() );
fail();
} catch ( final IllegalArgumentException e ) {
// expected
}
}
/**
* this tests maxKey for gets and removes if ( key > this.maxKey || key < 0 ) {
* return null; }
*
*/
public void testMaxKey() {
final PrimitiveLongMap map = new PrimitiveLongMap( 8,
4 );
// Test maxKey for key 0
map.put( 0,
new Integer( 0 ) );
assertEquals( new Integer( 0 ),
map.get( 0 ) );
assertNull( map.remove( 1 ) );
assertEquals( new Integer( 0 ),
map.get( 0 ) );
assertNotNull( map.remove( 0 ) );
assertNull( map.get( 0 ) );
// Test maxKey for key 1
map.put( 1,
new Integer( 1 ) );
assertEquals( new Integer( 1 ),
map.get( 1 ) );
assertNull( map.remove( 2 ) );
assertEquals( new Integer( 1 ),
map.get( 1 ) );
assertNotNull( map.remove( 1 ) );
assertNull( map.get( 1 ) );
// Test maxKey for key 127, an end to a page border
map.put( 127,
new Integer( 127 ) );
assertEquals( new Integer( 127 ),
map.get( 127 ) );
assertNull( map.remove( 128 ) );
assertEquals( new Integer( 127 ),
map.get( 127 ) );
assertNotNull( map.remove( 127 ) );
assertNull( map.get( 127 ) );
// Test maxKey for key 128, a start to a new page
map.put( 128,
new Integer( 128 ) );
assertEquals( new Integer( 128 ),
map.get( 128 ) );
assertNull( map.remove( 129 ) );
assertEquals( new Integer( 128 ),
map.get( 128 ) );
assertNotNull( map.remove( 128 ) );
assertNull( map.get( 128 ) );
}
public void testLastIndexBoundary() {
final PrimitiveLongMap map = new PrimitiveLongMap( 32,
8 );
map.put( 8192,
new Object() );
map.remove( 8192 );
map.put( 8192,
new Object() );
map.put( 8191,
new Object() );
}
public void testSize() {
final PrimitiveLongMap map = new PrimitiveLongMap( 32,
8 );
final Object object = new Object();
map.put( 231,
object );
final Object string = new Object();
map.put( 211,
string );
map.put( 99822,
null );
assertEquals( 3,
map.size() );
map.put( 211,
null );
map.put( 99822,
string );
assertEquals( 3,
map.size() );
map.remove( 211 );
assertEquals( 2,
map.size() );
map.remove( 99822 );
assertEquals( 1,
map.size() );
map.remove( 231 );
assertEquals( 0,
map.size() );
}
}