summaryrefslogtreecommitdiffstats
path: root/dom/workers/test/test_readableStream_when_closing.html
blob: 29342862894594f2748a9338f64fbcace18e06dd (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
<!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>