Bug 1450358 P1 Add an event listener runtime leak check for XHR. r=baku

This commit is contained in:
Ben Kelly 2018-04-04 11:25:42 -07:00
Родитель 5e3b64d3ec
Коммит 720c0d53fb
3 изменённых файлов: 60 добавлений и 0 удалений

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@ -64,6 +64,8 @@ support-files =
iframe_sync_xhr_unload.html
empty.html
file_sync_xhr_document_write_with_iframe.html
slow.sjs
!/dom/events/test/event_leak_utils.js
[test_bug1300552.html]
[test_html_in_xhr.html]
@ -114,3 +116,4 @@ support-files = test_XHR_timeout.js
[test_XHRSendData.html]
[test_sync_xhr_document_write_with_iframe.html]
[test_nestedSyncXHR.html]
[test_event_listener_leaks.html]

11
dom/xhr/tests/slow.sjs Normal file
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@ -0,0 +1,11 @@
function handleRequest(request, response)
{
response.processAsync();
timer = Components.classes["@mozilla.org/timer;1"].
createInstance(Components.interfaces.nsITimer);
timer.init(function() {
response.write("Here the content. But slowly.");
response.finish();
}, 5000, Components.interfaces.nsITimer.TYPE_ONE_SHOT);
}

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@ -0,0 +1,46 @@
<!--
Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/
-->
<!DOCTYPE HTML>
<html>
<head>
<title>Bug 1450271 - Test XHR event listener leak conditions</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="text/javascript" src="/tests/dom/events/test/event_leak_utils.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<p id="display"></p>
<script class="testbody" type="text/javascript">
// Manipulate XHR. Its important here that we create a
// listener callback from the DOM objects back to the frame's global
// in order to exercise the leak condition.
async function useXHR(contentWindow) {
let xhr = new contentWindow.XMLHttpRequest();
xhr.onabort = _ => {
contentWindow.abortCount += 1;
};
xhr.onreadystate = _ => {
contentWindow.stateCount += 1;
};
xhr.open("GET", "slow.sjs");
}
async function runTest() {
try {
await checkForEventListenerLeaks("XHR", useXHR);
} catch (e) {
ok(false, e);
} finally {
SimpleTest.finish();
}
}
SimpleTest.waitForExplicitFinish();
addEventListener("load", runTest, { once: true });
</script>
</pre>
</body>
</html>