The Tester

/*
 * This work is licensed under a Creative Commons Attribution 3.0 Unported License, available
 * at http://creativecommons.org/licenses/by/3.0/
 *
 * Please attribute by not editing the @author lines in any location on the source code.
 * Last modified 1/6/2013
 */
import java.awt.Frame;
import java.text.NumberFormat;

import javax.swing.JFrame;

/**
 *
 * @author /u/Tjstretchalot
 */
public class CanvasVsJComponentTest {

    /**
     * Performs a speed check on canvas and jcomponent
     * @param arg unused
     * @throws InterruptedException
     */
    public static void main(String[] args) throws InterruptedException {
        // JComponent with double buffering
        boolean doubleBuf = true;
        JComponentTest myJComponent = new JComponentTest(doubleBuf);

        JFrame frame = new JFrame();
        frame.add(myJComponent);
        frame.setSize(250, 250);
        frame.setTitle("JComponent Test");
        frame.setVisible(true);
        // Warm up the vm
        for(int i = 0; i < 1000; i++) {
            myJComponent.paintImmediately(0, 0, 250, 250);
        }
        System.gc();
        Thread.sleep(500);
        System.gc();
        //Begin testing
        final int frames = 100000;
        long start = System.currentTimeMillis();

        for(int i = 0; i < frames; i++) {
            myJComponent.paintImmediately(0, 0, 250, 250);
        }

        long end = System.currentTimeMillis();
        long time = end - start;
        double seconds = time / 1000.0;

        double fps = frames / seconds;
        System.out.println("JComponent with" + (!doubleBuf ? "out " : " ") + "buffering: " + round(fps) + " fps");

        frame.setVisible(false);
        myJComponent = null;
        frame = null;
        System.gc();
        Thread.sleep(500);
        System.gc();

        // Rewarm up, to be consistent

        CanvasTest myCanvas = new CanvasTest();
        Frame canvasFrame = new Frame("Canvas Test");
        canvasFrame.setSize(250, 250);
        canvasFrame.add(myCanvas);
        canvasFrame.setVisible(true);
        myCanvas.setDoubleBuffered(doubleBuf);

        for(int i = 0; i < 1000; i++) {
            myCanvas.render();
        }
        System.gc();
        Thread.sleep(500);
        System.gc();
        start = System.currentTimeMillis();

        for(int i = 0; i < frames; i++) {
            myCanvas.render();
        }

        end = System.currentTimeMillis();
        time = end - start;
        seconds = time / 1000.0;
        fps = frames / seconds;
        canvasFrame.setVisible(false);
        System.out.println("Canvas with" + (!doubleBuf ? "out " : " ") + "buffering: " + round(fps) + " fps");
        System.exit(1);
    }

    private static String round(double fps) {
        NumberFormat myFormat = NumberFormat.getInstance();
        return myFormat.format(fps);
    }

}