<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
<html>
<head>
<script src="../../resources/js-test-pre.js"></script>
</head>
<body>
<p id="description"></p>
<div id="console"></div>
<script>
description("Tests whether immutable properties can not be modified.");

var svgDoc = document.implementation.createDocument("http://www.w3.org/2000/svg", "svg", null);

// Every attribute of SVGZoomEvent is immutable (Spec: The object itself and its contents are both readonly.)
var zoomEvent = svgDoc.createEvent("SVGZoomEvents");

// 'zoomRectScreen' property
var zoomRectScreen = zoomEvent.zoomRectScreen;

shouldBe("zoomRectScreen.x", "0");
zoomRectScreen.x = 100;

shouldBe("zoomRectScreen.x", "100");
shouldBe("zoomEvent.zoomRectScreen.x", "0");

// 'previousScale' property
shouldBe("zoomEvent.previousScale", "0")
zoomEvent.previousScale = 200;
shouldBe("zoomEvent.previousScale", "0")

// 'previousTranslate' property
var previousTranslate = zoomEvent.previousTranslate;

shouldBe("previousTranslate.x", "0");
previousTranslate.x = 300;

shouldBe("previousTranslate.x", "300");
shouldBe("zoomEvent.previousTranslate.x", "0");

// 'newScale' property
shouldBe("zoomEvent.newScale", "0");
zoomEvent.newScale = 200;
shouldBe("zoomEvent.newScale", "0");

// 'newTranslate' property
var newTranslate = zoomEvent.previousTranslate;

shouldBe("newTranslate.x", "0");
newTranslate.x = 300;

shouldBe("newTranslate.x", "300");
shouldBe("zoomEvent.newTranslate.x", "0");

var successfullyParsed = true;
</script>
<script src="../../resources/js-test-post.js"></script>
</body>
</html>