116 lines
3.1 KiB
XML
116 lines
3.1 KiB
XML
<?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>
|