Worker_ErrorEvent_error.htm

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

<!doctype html>

<meta charset=utf-8>

<title></title>

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

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

<script>

// The worker events races with the window's load event; if the worker events

// arrive first, the harness will detect the error event and fail the test.

setup({ allow_uncaught_exception: true });

var t1 = async_test("Error handler outside the worker should not see the error value");

var t2 = async_test("Error handlers inside a worker should see the error value");

test(function() {

  var worker = new Worker("support/ErrorEvent-error.js");

  worker.onerror = t1.step_func_done(function(e) {

    assert_true(/hello/.test(e.message));

    assert_equals(e.error, null);

});

  var messages = 0;

  worker.onmessage = t2.step_func(function(e) {

    ++messages;

    var data = e.data;

    assert_in_array(data.source, ["onerror", "event listener"]);

    assert_equals(data.value, "hello");

    if (messages == 2) {

      t2.done();

});

});

</script>