/*
 * (c) Copyright 2008, 2009 Hewlett-Packard Development Company, LP
 * All rights reserved.
 * [See end of file]
 */

package structure.exthash;

import static structure.exthash.ExtHashMemTestBase.check;
import static structure.exthash.ExtHashMemTestBase.create;
import static structure.exthash.ExtHashMemTestBase.delete;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import structure.exthash.ExtHashMem;
import org.openjena.atlas.junit.BaseTest ;

public class TestExtHashMem extends BaseTest
{
    @BeforeClass static public void setup()
    {
        ExtHashMem.NullOut = true ;
        ExtHashMem.Checking = true ;
        ExtHashMem.DefaultBucketSize = 4 ;
    }
    
    @AfterClass static public void teardown()
    {
        
    }

    @Test public void create1()
    { 
        ExtHashMem<Integer, String> eHash = new ExtHashMem<Integer, String>() ;
        check(eHash) ;
    }
    
//    @Test public void create2()
//    { ExtHash eHash = build() ; assertNotNull(eHash) ; }
    
    @Test public void insert1()
    {
        ExtHashMem<Integer, String> eHash = create(1) ;
        check(eHash, 1) ;
        assertEquals(eHash.get(1), "X1") ;
        assertEquals(1, eHash.size()) ;

    }
    
    @Test public void insert2()
    {
        ExtHashMem<Integer, String> eHash = create(1,2) ;
        check(eHash, 1, 2) ;
        assertEquals(eHash.get(1), "X1") ;
        assertEquals(eHash.get(2), "X2") ;
        assertEquals(2, eHash.size()) ;
    }
    
    @Test public void insert3()
    {
        ExtHashMem<Integer, String> eHash = create(1,2,3,4,5,6,7,8) ;
        check(eHash, 1, 2, 3, 4, 5, 6, 7, 8) ;
    }
    
    // Nasty cases
    @Test public void insert4()
    {
        ExtHashMem<Integer, String> eHash = create(0,2,4,8,16) ;
        assertEquals(5, eHash.size()) ;
    }
    
    @Test public void delete1()
    {
        ExtHashMem<Integer, String> eHash = createAndCheck(1) ;
        assertEquals(1, eHash.size()) ;
        delete(eHash, 1) ;
        assertFalse(eHash.contains(1)) ;
        assertEquals(0, eHash.size()) ;
    }

    @Test public void delete2()
    {
        ExtHashMem<Integer, String> eHash = createAndCheck(1, 2, 3, 4, 5, 6, 7, 8) ;
        delete(eHash, 1, 2, 3, 4, 5, 6, 7, 8) ;
        check(eHash) ;
    }
    
    @Test public void delete3()
    {
        ExtHashMem<Integer, String> eHash = createAndCheck(1, 2, 3, 4, 5, 6, 7, 8) ;
        delete(eHash, 8, 7, 6, 5, 4, 3, 2, 1) ;
        check(eHash) ;
    }

    static private ExtHashMem<Integer, String> createAndCheck(int... keys)
    {
        ExtHashMem<Integer, String> eHash = create(keys) ;
        check(eHash, keys);
        assertEquals(keys.length, eHash.size()) ;
        return eHash ;
    }
}

/*
 * (c) Copyright 2008, 2009 Hewlett-Packard Development Company, LP
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */