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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /docshell/test/chrome/test_bug453650.xul
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'docshell/test/chrome/test_bug453650.xul')
-rw-r--r--docshell/test/chrome/test_bug453650.xul115
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diff --git a/docshell/test/chrome/test_bug453650.xul b/docshell/test/chrome/test_bug453650.xul
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+<?xml version="1.0"?>
+<?xml-stylesheet type="text/css" href="chrome://global/skin"?>
+<?xml-stylesheet type="text/css" href="/tests/SimpleTest/test.css"?>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=453650
+-->
+<window title="Mozilla Bug 453650"
+ xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
+
+ <script type="application/javascript"
+ src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
+
+ <!-- test code goes here -->
+ <script type="application/javascript">
+ <![CDATA[
+
+ /** Test for Bug 453650 **/
+ SimpleTest.waitForExplicitFinish();
+
+ var Ci = Components.interfaces;
+ var Cr = Components.results;
+
+ var iter = runTests();
+ nextTest();
+
+ function runTests() {
+ var iframe = document.createElement("iframe");
+ iframe.style.width = "300px";
+ iframe.style.height = "300px";
+ iframe.setAttribute("src", "data:text/html,<h1 id='h'>hello</h1>");
+
+ document.documentElement.appendChild(iframe);
+ yield whenLoaded(iframe);
+ info("iframe loaded");
+
+ var h1 = iframe.contentDocument.getElementById("h");
+ h1.style.width = "400px";
+ yield waitForInterruptibleReflow(iframe.docShell);
+
+ h1.style.width = "300px";
+ waitForReflow(iframe.docShell);
+ yield is(300, h1.offsetWidth, "h1 has correct width");
+ }
+
+ function waitForInterruptibleReflow(docShell) {
+ waitForReflow(docShell, true);
+ }
+
+ function waitForReflow(docShell, interruptible = false) {
+ function done() {
+ docShell.removeWeakReflowObserver(observer);
+ SimpleTest.executeSoon(nextTest);
+ }
+
+ var observer = {
+ reflow: function (start, end) {
+ if (interruptible) {
+ ok(false, "expected interruptible reflow");
+ } else {
+ ok(true, "observed uninterruptible reflow");
+ }
+
+ info("times: " + start + ", " + end);
+ ok(start < end, "reflow start time lower than end time");
+ done();
+ },
+
+ reflowInterruptible: function (start, end) {
+ if (!interruptible) {
+ ok(false, "expected uninterruptible reflow");
+ } else {
+ ok(true, "observed interruptible reflow");
+ }
+
+ info("times: " + start + ", " + end);
+ ok(start < end, "reflow start time lower than end time");
+ done();
+ },
+
+ QueryInterface: function (iid) {
+ if (Ci.nsIReflowObserver.equals(iid) ||
+ Ci.nsISupportsWeakReference.equals(iid) ||
+ Ci.nsISupports.equals(iid))
+ return this;
+ throw Cr.NS_ERROR_NO_INTERFACE;
+ },
+ };
+
+ docShell.addWeakReflowObserver(observer);
+ }
+
+ function whenLoaded(iframe) {
+ iframe.addEventListener("load", function onLoad() {
+ iframe.removeEventListener("load", onLoad);
+ SimpleTest.executeSoon(nextTest);
+ });
+ }
+
+ function nextTest() {
+ try {
+ iter.next();
+ } catch (e if e instanceof StopIteration) {
+ SimpleTest.finish();
+ }
+ }
+
+ ]]>
+ </script>
+
+ <!-- test results are displayed in the html:body -->
+ <body xmlns="http://www.w3.org/1999/xhtml">
+ <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=453650"
+ target="_blank">Mozilla Bug 453650</a>
+ </body>
+</window>