empty.html - mozsearch

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This WPT test may be referenced by the following Test IDs:
- /html/semantics/scripting-1/the-script-element/fetch-src/empty.html - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset=utf-8>

<title>Script src with an empty URL</title>

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

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

<div id=log></div>

<script>

// For a better error message in case the UA tries to load "" (which resolves

// to this document).

setup({

  "allow_uncaught_exception": true,

});

async_test(function(t) {

  window.onerror = this.unreached_func("Should not get an error reported to " +

                                       "the window before the script");

  var queued = false;

  var script = document.createElement("script");

  script.onerror = this.step_func_done(function(ev) {

    assert_equals(ev.type, "error");

    assert_false(ev.bubbles, "bubbles");

    assert_false(ev.cancelable, "cancelable");

    assert_true(ev.isTrusted, "isTrusted");

    assert_equals(ev.target, script);

    assert_true(ev instanceof Event, "instanceof Event");

    assert_class_string(ev, "Event");

    assert_true(queued, "event should not be dispatched synchronously");

});

  script.setAttribute("src", "");

  document.body.appendChild(script);

  queued = true;

});

</script>