1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/docshell/test/chrome/test_bug453650.xul Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,115 @@
1.4 +<?xml version="1.0"?>
1.5 +<?xml-stylesheet type="text/css" href="chrome://global/skin"?>
1.6 +<?xml-stylesheet type="text/css" href="/tests/SimpleTest/test.css"?>
1.7 +<!--
1.8 +https://bugzilla.mozilla.org/show_bug.cgi?id=453650
1.9 +-->
1.10 +<window title="Mozilla Bug 453650"
1.11 + xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
1.12 +
1.13 + <script type="application/javascript"
1.14 + src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
1.15 +
1.16 + <!-- test code goes here -->
1.17 + <script type="application/javascript">
1.18 + <![CDATA[
1.19 +
1.20 + /** Test for Bug 453650 **/
1.21 + SimpleTest.waitForExplicitFinish();
1.22 +
1.23 + var Ci = Components.interfaces;
1.24 + var Cr = Components.results;
1.25 +
1.26 + var iter = runTests();
1.27 + nextTest();
1.28 +
1.29 + function runTests() {
1.30 + var iframe = document.createElement("iframe");
1.31 + iframe.style.width = "300px";
1.32 + iframe.style.height = "300px";
1.33 + iframe.setAttribute("src", "data:text/html,<h1 id='h'>hello</h1>");
1.34 +
1.35 + document.documentElement.appendChild(iframe);
1.36 + yield whenLoaded(iframe);
1.37 + info("iframe loaded");
1.38 +
1.39 + var h1 = iframe.contentDocument.getElementById("h");
1.40 + h1.style.width = "400px";
1.41 + yield waitForInterruptibleReflow(iframe.docShell);
1.42 +
1.43 + h1.style.width = "300px";
1.44 + waitForReflow(iframe.docShell);
1.45 + yield is(300, h1.offsetWidth, "h1 has correct width");
1.46 + }
1.47 +
1.48 + function waitForInterruptibleReflow(docShell) {
1.49 + waitForReflow(docShell, true);
1.50 + }
1.51 +
1.52 + function waitForReflow(docShell, interruptible = false) {
1.53 + function done() {
1.54 + docShell.removeWeakReflowObserver(observer);
1.55 + SimpleTest.executeSoon(nextTest);
1.56 + }
1.57 +
1.58 + var observer = {
1.59 + reflow: function (start, end) {
1.60 + if (interruptible) {
1.61 + ok(false, "expected interruptible reflow");
1.62 + } else {
1.63 + ok(true, "observed uninterruptible reflow");
1.64 + }
1.65 +
1.66 + info("times: " + start + ", " + end);
1.67 + ok(start < end, "reflow start time lower than end time");
1.68 + done();
1.69 + },
1.70 +
1.71 + reflowInterruptible: function (start, end) {
1.72 + if (!interruptible) {
1.73 + ok(false, "expected uninterruptible reflow");
1.74 + } else {
1.75 + ok(true, "observed interruptible reflow");
1.76 + }
1.77 +
1.78 + info("times: " + start + ", " + end);
1.79 + ok(start < end, "reflow start time lower than end time");
1.80 + done();
1.81 + },
1.82 +
1.83 + QueryInterface: function (iid) {
1.84 + if (Ci.nsIReflowObserver.equals(iid) ||
1.85 + Ci.nsISupportsWeakReference.equals(iid) ||
1.86 + Ci.nsISupports.equals(iid))
1.87 + return this;
1.88 + throw Cr.NS_ERROR_NO_INTERFACE;
1.89 + },
1.90 + };
1.91 +
1.92 + docShell.addWeakReflowObserver(observer);
1.93 + }
1.94 +
1.95 + function whenLoaded(iframe) {
1.96 + iframe.addEventListener("load", function onLoad() {
1.97 + iframe.removeEventListener("load", onLoad);
1.98 + SimpleTest.executeSoon(nextTest);
1.99 + });
1.100 + }
1.101 +
1.102 + function nextTest() {
1.103 + try {
1.104 + iter.next();
1.105 + } catch (e if e instanceof StopIteration) {
1.106 + SimpleTest.finish();
1.107 + }
1.108 + }
1.109 +
1.110 + ]]>
1.111 + </script>
1.112 +
1.113 + <!-- test results are displayed in the html:body -->
1.114 + <body xmlns="http://www.w3.org/1999/xhtml">
1.115 + <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=453650"
1.116 + target="_blank">Mozilla Bug 453650</a>
1.117 + </body>
1.118 +</window>
