Application: gvSIG desktop » gvSIG raster

package org.gvsig.raster.cache.buffer.impl.stripecache.horizontal;

import java.awt.image.DataBuffer;

import java.io.IOException;

import junit.framework.TestCase;

import org.gvsig.raster.cache.buffer.impl.BufferCacheManagerImpl;

/**

 * This test creates a buffer and write a number in each element of each band.

 * Then, it reads from the buffer the numbers and check it.

 *  

 * @author Nacho Brodin (nachobrodin@gmail.com)

 */

public class TestRWOneValue extends TestCase {

        public void start() {

                this.setUp();

                this.testStack();

        }

        public void setUp() {

                System.err.println("StripeCache TestRWOneValue running...");

        }

        public void testStack() {

                long t1 = System.currentTimeMillis();

                //Reducimos el tama?o de la cache para una prueba con menos datos

                BufferCacheManagerImpl.cacheSize = 2;

                BufferCacheManagerImpl.pageSize = 0.2;

                RasterCacheBuffer buf = new RasterCacheBuffer(DataBuffer.TYPE_BYTE, 2571, 1942, 3);

                for (int iBand = 0; iBand < buf.getBandCount(); iBand++) {

                        for (int row = 0; row < buf.getHeight(); row++) {

                                for (int col = 0; col < buf.getWidth(); col++) {

                                        byte n = (byte)(8 + iBand);

                                        byte m = (byte)(34 + iBand);

                                        if(row == 1001 && col == 1032)

                                                buf.setElem(row, col, iBand, n);

                                        else

                                                buf.setElem(row, col, iBand, m);                        

                                }

                        }

                }

                for (int iBand = 0; iBand < buf.getBandCount(); iBand++) {

                        for (int row = 0; row < buf.getHeight(); row++) {

                                for (int col = 0; col < buf.getWidth(); col++) {

                                        byte n = buf.getElemByte(row, col, iBand);

                                        byte m = (byte)(34 + iBand); 

                                        if(n != m)

                                                ;//System.out.println(n + " " + row + "," + col);

                                        else

                                                assertEquals(n, m);

                                }

                        }

                }

                try {

                        buf.free();

                } catch (IOException e) {

                        e.printStackTrace();

                }

                long t2 = System.currentTimeMillis();

                System.out.println("Tiempo StripeCache TestRWOneValue: " + (t2 - t1) + " milisegundos");

        }

}