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diff --git a/includes/js/dijit/tests/_base/viewport.html b/includes/js/dijit/tests/_base/viewport.html
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+++ b/includes/js/dijit/tests/_base/viewport.html
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+<html>
+<head>
+	<title>dijit.getViewport() test</title>
+	<style type="text/css">
+		@import "../../../dojo/resources/dojo.css";
+		@import "../css/dijitTests.css";
+		html, body { margin: 0px; padding: 0px; }
+	</style>
+	<script type="text/javascript" src="../../../dojo/dojo.js"
+		djConfig="isDebug: false, parseOnLoad: false"></script>
+	<script type="text/javascript" src="../_testCommon.js"></script>
+
+	<script type="text/javascript">
+		dojo.require("doh.runner");
+		dojo.require("dijit.dijit");
+
+		function compute(){
+			var d = dojo.marginBox(dojo.byId("documentBorder")),
+				v = dijit.getViewport();
+			dojo.byId("results").innerHTML +=
+				"Document is " + d.w + "px x " + d.h + "px" +
+				", viewport is " + v.w + "px x " + v.h + "px" +
+				 ", with scroll offset of (" + v.l + ", " + v.t + ")<br>";
+		}
+		
+		function addText(){
+			dojo.byId("results").innerHTML += "Adding text...<br><br>";
+			var text="";
+			for(var i=0;i<100;i++){
+				text += "<span style='white-space: nowrap'>";
+				for(var j=0;j<3;j++){ text += "Now is the time for all good men to come to the aid of their country."; }
+				text += "</span><br>";
+			}
+			dojo.byId("documentBorder").innerHTML += text;
+		}
+
+		dojo.addOnLoad(function(){
+			doh.register("dijit._base.manager",
+				[
+					function initial(t){
+						console.log("calling compute");
+						compute();
+						console.log("called compute");
+						var d = dojo.marginBox(dojo.byId("documentBorder")),
+							v = dijit.getViewport();
+						doh.t(v.h > d.h);
+					},
+					function expand(t){
+						var v = dijit.getViewport();
+						addText();
+						compute();
+						var v2 = dijit.getViewport();
+						doh.t(v2.h <= v.h);
+						doh.t(v2.h+20 >= v.h);
+					}
+				]
+			);
+			doh.run();
+		});
+
+	</script>
+</head>
+<body>
+	<div id="documentBorder" style="border: solid red 2px;">
+		<h1>dijit.getViewport() test</h1>
+		<div style="padding: 10px; border: solid blue 1px;">padding div</div>
+		<button onclick="addText(); compute();">add text and compute size</button>
+		<button onclick="compute();">recompute size</button>
+		<ol>
+			<li>check results div below to see that before adding text, document is smaller than viewport
+			<li>after adding text, document should be bigger than viewport,and check that viewport size hasn't changed,
+				except maybe being a little bit smaller (about 15px) because of the size of the scrollbars
+			<li>resize browser window and click the "recompute size" button; reported viewport size should change
+			<li>scroll the window and click "recompute size" to see that the scroll position is taken into effect
+		</ol>
+		<div id=results style="border: 5px solid blue;">
+	</div>
+</body>
+</html>