historical.any.js - mozsearch

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This WPT test may be referenced by the following Test IDs:
- /webmessaging/message-channels/historical.any.html - WPT Dashboard Interop Dashboard
- /webmessaging/message-channels/historical.any.serviceworker.html - WPT Dashboard Interop Dashboard
- /webmessaging/message-channels/historical.any.sharedworker.html - WPT Dashboard Interop Dashboard
- /webmessaging/message-channels/historical.any.worker.html - WPT Dashboard Interop Dashboard

// META: global=window,worker

// How long (in ms) these tests should wait before deciding no close event

// will be fired.

const time_to_wait_for_events = 100;

test(() => {

  assert_false("onclose" in MessagePort.prototype, "MessagePort.prototype");

  const c = new MessageChannel();

  assert_false("onclose" in c.port1, "MessagePort instance");

}, "MessagePort should not have an onclose event handler IDL attribute");

async_test(t => {

  const c = new MessageChannel();

  c.port1.addEventListener("close", t.unreached_func("close event fired on port1"));

  c.port2.addEventListener("close", t.unreached_func("close event fired on port2"));

  c.port1.start();

  c.port2.start();

  c.port2.close();

  t.step_timeout(() => t.done(), time_to_wait_for_events);

}, "No close event should be fired when an entangled port is closed");

async_test(t => {

  const c = new MessageChannel();

  c.port1.onmessage = () => {};

  c.port1.addEventListener("close", t.unreached_func("close event fired on port1"));

  c.port1.close();

  t.step_timeout(() => t.done(), time_to_wait_for_events);

}, "No close event should be fired on a port when it is closed");