flash on 2011-4-6

/**
 * Copyright John_Blackburne ( http://wonderfl.net/user/John_Blackburne )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/jY9M
 */

package {
    import flash.display.Sprite;
    import flash.text.TextField;
    import flash.utils.getTimer;
    public class FlashTest extends Sprite {
        var tf1:TextField, tf2:TextField;
        var tf3:TextField, tf4:TextField;
        
        
        public function FlashTest() {
            // write as3 code here..
            
            tf1 = new TextField();
            tf2 = new TextField();
            tf3 = new TextField();
            tf4 = new TextField();
            
            tf1.x = tf2.x = tf3.x = tf4.x = 100;
            tf1.y = 100;
            tf2.y = 120;
            tf3.y = 140;
            tf4.y = 160;
            tf1.text = tf2.text = tf3.text = tf4.text = "Starting...";
            addChild(tf1);
            addChild(tf2);
            addChild(tf3);
            addChild(tf4);
            
            var x:Number, y:Number, z:Number, w:Number;
            var i:int, iLoops:int = 10000000, t:Number;
            
            x = 0; y = 20; z = 10;
            
            w = 0;
            // test 1: function call            
            t = getTimer();
            for (i = 0; i < iLoops; i++) {
                w = clamp(z, x, y);
            }
            tf1.text = String(getTimer() - t);

            w = 0;
            // test 2: inline calculations
            t = getTimer();
            for (i = 0; i < iLoops; i++) {
                w = z < x ? x : z > y ? y : z;
            }
            tf2.text = String(getTimer() - t);

            w = 0;
            // test 3: function call            
            t = getTimer();
            for (i = 0; i < iLoops; i++) {
                w += clamp(z, x, y);
            }
            tf3.text = String(getTimer() - t);

            w = 0;
            // test 4: inline calculations
            t = getTimer();
            for (i = 0; i < iLoops; i++) {
                w += z < x ? x : z > y ? y : z;
            }
            tf4.text = String(getTimer() - t);

        }
        
        function clamp(x:Number, min:Number, max:Number):Number
        {
            return x<min?min:x>max?max:x;
        }

    }
}