gecko-dev/dom/workers/test/test_readableStream_when_cl...

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HTML

<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>Test for ReadableStream+fetch when the worker is closing</title>
<script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?>
</head>
<body>
<script>
function workerCode() {
onmessage = () => {
const BIG_BUFFER_SIZE = 1000000;
const fibStream = new ReadableStream({
start(controller) {},
pull(controller) {
const buffer = new Uint8Array(BIG_BUFFER_SIZE);
buffer.fill(42);
controller.enqueue(buffer);
}
});
const r = new Response(fibStream);
const p = r.blob();
self.postMessage("reading");
p.then(() => {
// really?
});
}
}
SimpleTest.waitForExplicitFinish();
SpecialPowers.pushPrefEnv({"set": [
["javascript.options.streams", true],
]}).then(() => {
const b = new Blob([workerCode+'workerCode();']);
const url = URL.createObjectURL(b);
const w = new Worker(url);
w.onmessage = function(e) {
ok(true, 'Worker is reading');
const wdm = Cc["@mozilla.org/dom/workers/workerdebuggermanager;1"].
getService(Ci.nsIWorkerDebuggerManager);
wdm.addListener({
onUnregister (dbg) {
if (dbg.url == url) {
ok(true, "Debugger with url " + url + " should be unregistered.");
wdm.removeListener(this);
SimpleTest.finish();
}
}
});
w.terminate();
}
w.postMessage("start");
});
</script>
</body>
</html>