色んな真偽の判定の仕方

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

package {
	import flash.display.Sprite;
	import flash.events.Event;
	[SWF(frameRate="60")]
	public class FlashTest extends Sprite {
		public const LOOP:int = 2000000;
		
		public var initialized:Initialized = new Initialized();
		public var notInitialize:Initialized;
		public var instanceFalse:False = new False();
		public var int1:Int1 = new Int1();
		public var int0:Int0 = new Int0();
		
		public var index:int = 0;
		public function FlashTest() {
			// write as3 code here..
                        stage.frameRate = 1000;
			var i:int = 0;
			addChild(new Tester("accessInstance", accessInstance)).y = (i++) * 20;
			addChild(new Tester("acceccInstance2", acceccInstance2)).y = (i++) * 20;
			addChild(new Tester("acceccBooleanTrue", acceccBooleanTrue)).y = (i++) * 20;
			addChild(new Tester("acceccBooleanTrue2", acceccBooleanTrue2)).y = (i++) * 20;
			addChild(new Tester("accessNullInstance", accessNullInstance)).y = (i++) * 20;
			addChild(new Tester("accessNullInstance2", accessNullInstance2)).y = (i++) * 20;
			addChild(new Tester("accessBooleanFalse", accessBooleanFalse)).y = (i++) * 20;
			addChild(new Tester("accessBooleanFalse2", accessBooleanFalse2)).y = (i++) * 20;
			addChild(new Tester("accessInt0false", accessInt0false)).y = (i++) * 20;
			addChild(new Tester("accessInt0true", accessInt0true)).y = (i++) * 20;
			addChild(new Tester("accessInt1true", accessInt1true)).y = (i++) * 20;
			addChild(new Tester("accessInt1false", accessInt1false)).y = (i++) * 20;
			
			addEventListener(Event.ENTER_FRAME, onEnterFrame);
		}
		
		private function onEnterFrame(e:Event):void 
		{
			if (index >= Tester.testers.length)
			{
				index = 0;
				Tester.counter++;
			}
			
			Tester.testers[index].test();
			index++;
		}
		
		private function accessInstance():void
		{
			var i:int = LOOP;
			while (i--)
			{
				if (initialized) { }
				else{}
			}
		}
		
		private function acceccInstance2():void
		{
			var i:int = LOOP;
			while (i--)
			{
				if (!initialized) { }
				else { }
			}
		}
		private function acceccBooleanTrue():void
		{
			var i:int = LOOP;
			while (i--)
			{
				if (initialized.isInitialized) { }
				else{}
			}
		}
		private function acceccBooleanTrue2():void
		{
			var i:int = LOOP;
			while (i--)
			{
				if (!initialized.isInitialized) { }
				else{}
			}
		}
		
		private function accessNullInstance():void
		{
			var i:int = LOOP;
			while (i--)
			{
				if (notInitialize) { }
				else{}
			}
		}
		
		private function accessNullInstance2():void
		{
			var i:int = LOOP;
			while (i--)
			{
				if (!notInitialize) { }
				else{}
			}
		}
		
		private function accessBooleanFalse():void
		{
			var i:int = LOOP;
			while (i--)
			{
				if (instanceFalse.isTrue) { }
				else{}
			}
		}
		
		private function accessBooleanFalse2():void
		{
			var i:int = LOOP;
			while (i--)
			{
				if (!instanceFalse.isTrue) { }
				else{}
			}
		}
		
		private function accessInt0true():void
		{
			var i:int = LOOP;
			while (i--)
			{
				if (!int0.int0) { }
				else{}
			}
		}
		
		private function accessInt0false():void
		{
			var i:int = LOOP;
			while (i--)
			{
				if (int0.int0) { }
				else{}
			}
		}
		
		private function accessInt1true():void
		{
			var i:int = LOOP;
			while (i--)
			{
				if (int1.int1) { }
				else{}
			}
		}
		
		private function accessInt1false():void
		{
			var i:int = LOOP;
			while (i--)
			{
				if (!int1.int1) { }
				else{}
			}
		}
	}
}
import flash.text.TextField;
import flash.utils.getTimer;

class Tester extends TextField
{
	public static var counter:int = 1;
	public static var loop:int = 1;
	public static var testers:Vector.<Tester> = new Vector.<Tester>();
	public var totalTime:Number = 0;
	public var func:Function;
	public var funcName:String;
	
	public function test():void
	{
		var time:int = getTimer();
		var i:int = loop;
		while (--i > -1)
		{
			func();
		}
		totalTime += getTimer() - time;
		this.text = funcName + " average : " + (totalTime / counter) + ".ms";
	}
	
	public function Tester(funcName:String, func:Function)
	{
		this.funcName = funcName;
		this.func = func;
		this.autoSize = "left";
		testers[testers.length] = this;
	}
}

class Initialized
{
	public var isInitialized:Boolean = false;
	public function Initialized()
	{
		isInitialized = true;
	}
}

class False
{
	public var isTrue:Boolean = false;
	public function False(){}
}

class Int1
{
	public var int1:int = 1;
	public function Int1(){}
}

class Int0
{
	public var int0:int = 0;
	public function Int0(){}
}