/**
 * Copyright 2010 JogAmp Community. 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.
 * 
 * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``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 JogAmp Community OR
 * CONTRIBUTORS 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.
 * 
 * The views and conclusions contained in the software and documentation are those of the
 * authors and should not be interpreted as representing official policies, either expressed
 * or implied, of JogAmp Community.
 */
 
/*
 * Created on Sunday, July 04 2010 20:00
 */
package com.jogamp.common.nio;

import java.nio.IntBuffer;
import org.junit.Test;

import com.jogamp.junit.util.JunitTracer;

import static org.junit.Assert.*;

/**
 * @author Michael Bien
 */
public class BuffersTest extends JunitTracer {

    @Test
    public void slice() {
        
        IntBuffer buffer = Buffers.newDirectIntBuffer(6);
        buffer.put(new int[]{1,2,3,4,5,6}).rewind();

        IntBuffer threefour = Buffers.slice(buffer, 2, 2);

        assertEquals(3, threefour.get(0));
        assertEquals(4, threefour.get(1));
        assertEquals(2, threefour.capacity());
        
        assertEquals(0, buffer.position());
        assertEquals(6, buffer.limit());

        IntBuffer fourfivesix = Buffers.slice(buffer, 3, 3);

        assertEquals(4, fourfivesix.get(0));
        assertEquals(5, fourfivesix.get(1));
        assertEquals(6, fourfivesix.get(2));
        assertEquals(3, fourfivesix.capacity());
        
        assertEquals(0, buffer.position());
        assertEquals(6, buffer.limit());
        
        IntBuffer onetwothree = Buffers.slice(buffer, 0, 3);

        assertEquals(1, onetwothree.get(0));
        assertEquals(2, onetwothree.get(1));
        assertEquals(3, onetwothree.get(2));
        assertEquals(3, onetwothree.capacity());
        
        assertEquals(0, buffer.position());
        assertEquals(6, buffer.limit());
        
        // is it really sliced?
        buffer.put(2, 42);
        
        assertEquals(42, buffer.get(2));
        assertEquals(42, onetwothree.get(2));
        

    }

}