postMessage_target_source.htm

Enable keyboard shortcuts

This WPT test may be referenced by the following Test IDs:
- /workers/postMessage_target_source.htm - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title> postMessage(): target port and source port </title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<div id=log></div>

<script>

async_test(function(t) {

  var channel = new MessageChannel();

  var source = channel.port1;

  var target = channel.port2;

  target.start();

  target.addEventListener("message", t.step_func_done(function(e) {

    assert_equals(e.target, target);

    assert_not_equals(e.target, source);

  }), true);

  source.postMessage("ping");

});

</script>