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+++ b/widget/tests/window_bug522217.xhtml
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+<?xml version="1.0"?>
+<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
+<window title="Mozilla Bug 522217"
+ onload="start();"
+ xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
+
+ <script src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js" />
+
+<body xmlns="http://www.w3.org/1999/xhtml" id="body">
+</body>
+
+<script class="testbody" type="application/javascript">
+<![CDATA[
+
+function ok(aCondition, aMessage)
+{
+ window.arguments[0].SimpleTest.ok(aCondition, aMessage);
+}
+
+function is(aLeft, aRight, aMessage)
+{
+ window.arguments[0].SimpleTest.is(aLeft, aRight, aMessage);
+}
+
+function isnot(aLeft, aRight, aMessage)
+{
+ window.arguments[0].SimpleTest.isnot(aLeft, aRight, aMessage);
+}
+
+function executeSoon() {
+ return new Promise(resolve => {
+ window.arguments[0].SimpleTest.executeSoon(resolve);
+ });
+}
+
+function waitForEvent(obj, name) {
+ return new Promise(resolve => {
+ obj.addEventListener(name, resolve, { once: true });
+ });
+}
+
+async function start() {
+ await waitForEvent(window, "focus");
+ var oldOuterWidth = window.outerWidth, oldOuterHeight = window.outerHeight;
+ var oldInnerWidth = window.innerWidth, oldInnerHeight = window.innerHeight;
+ document.documentElement.setAttribute("chromemargin", "0,0,0,0");
+
+ await executeSoon();
+ is(window.outerWidth, oldOuterWidth, "chromemargin shouldn't change the window's outerWidth");
+ is(window.outerHeight, oldOuterHeight, "chromemargin shouldn't change the window's outerHeight");
+ is(window.innerWidth, oldOuterWidth, "if chromemargin is set, innerWidth and outerWidth should be the same");
+ is(window.innerHeight, oldOuterHeight, "if chromemargin is set, innerHeight and outerHeight should be the same");
+
+ // Wait for going full screen and back.
+ let sizemodeChange = waitForEvent(window, "sizemodechange");
+ window.fullScreen = true;
+ await sizemodeChange;
+ sizemodeChange = waitForEvent(window, "sizemodechange");
+ window.fullScreen = false;
+ await sizemodeChange;
+ is(window.outerWidth, oldOuterWidth, "wrong outerWidth after fullscreen mode");
+ is(window.outerHeight, oldOuterHeight, "wrong outerHeight after fullscreen mode");
+ is(window.innerWidth, oldOuterWidth, "wrong innerWidth after fullscreen mode");
+ is(window.innerHeight, oldOuterHeight, "wrong innerHeight after fullscreen mode");
+ document.documentElement.removeAttribute("chromemargin");
+
+ await executeSoon();
+ is(window.outerWidth, oldOuterWidth, "wrong outerWidth after removing chromemargin");
+ is(window.outerHeight, oldOuterHeight, "wrong outerHeight after removing chromemargin");
+ is(window.innerWidth, oldInnerWidth, "wrong innerWidth after removing chromemargin");
+ is(window.innerHeight, oldInnerHeight, "wrong innerHeight after removing chromemargin");
+ window.arguments[0].SimpleTest.finish();
+ window.close();
+}
+
+
+]]>
+</script>
+
+</window>