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<!--
Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/
-->
<!DOCTYPE HTML>
<html>
<head>
<title>Bug 1450358 - Test WebSocket event listener leak conditions</title>
<script 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>
<script class="testbody" type="text/javascript">
// Manipulate WebSocket objects in the frame's context.
// 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 useWebSocket(contentWindow) {
const url = "ws://mochi.test:8888/tests/dom/websocket/tests/file_websocket_bigBlob";
let ws = new contentWindow.WebSocket(url);
ws.onmessage = _ => {
contentWindow.messageCount += 1;
};
contentWindow.openCount = 0;
await new Promise((resolve, reject) => {
ws.onopen = _ => {
contentWindow.openCount += 1;
resolve();
};
ws.onerror = e => {
contentWindow.errorCount += 1;
reject("websocket error");
};
});
is(contentWindow.openCount, 1, "open should be received");
}
async function runTest() {
try {
await checkForEventListenerLeaks("WebSocket", useWebSocket);
} catch (e) {
ok(false, e);
} finally {
SimpleTest.finish();
}
}
SimpleTest.waitForExplicitFinish();
addEventListener("load", runTest, { once: true });
</script>
</pre>
</body>
</html>
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