script-load-error-events.html

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This WPT test may be referenced by the following Test IDs:
- /svg/interact/script-load-error-events.html - WPT Dashboard Interop Dashboard

<!doctype html>

<title>'load' and 'error' events for SVG &lt;script></title>

<link rel="help" href="https://www.w3.org/TR/SVG2/embedded.html#ScriptElement">

<link rel="help" href="https://www.w3.org/TR/SVG2/interact.html#LoadEvent">

<link rel="help" href="https://www.w3.org/TR/SVG2/interact.html#ErrorEvent">

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

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

<script src="/common/rendering-utils.js"></script>

<svg>

</svg>

<script>

  function newScriptElement() {

    return document.createElementNS('http://www.w3.org/2000/svg', 'script');

  function expectEvents(t, element, event) {

    return new EventWatcher(t, element, ['load', 'error']).wait_for(event);

  const DATA_URL_PAYLOAD =

      '# comment';

  const cookie = Date.now();

  let counter = 0;

  function makeCookie(index) {

    return `${cookie}-${index}`;

  function getUrl(type) {

    const cookie = makeCookie(counter++);

    switch (type) {

    case 'existing':

      return `./resources/load-error-events.py?test=test_script_load&${cookie}`;

    case 'existing-data':

      return `data:text/javascript,${DATA_URL_PAYLOAD}`;

    case 'non-existing':

      return `./resources/load-error-events.py?test=test_script_error&${cookie}`;

    case 'existing-slow':

      return `./resources/load-error-events.py?test=test_script_load&delay=1&${cookie}`;

    case 'non-existing-slow':

      return `./resources/load-error-events.py?test=test_error&delay=1&${cookie}`;

  promise_test(t => {

    const svg = document.querySelector('svg');

    const script = newScriptElement();

    const watcher = expectEvents(t, script, ['load']);

    const url = getUrl('existing');

    svg.appendChild(script).setAttribute('href', url);

    return watcher;

  }, document.title + ', external reference, existing');

  promise_test(t => {

    const svg = document.querySelector('svg');

    const script = newScriptElement();

    const watcher = expectEvents(t, script, ['load']);

    const url = getUrl('existing-data');

    svg.appendChild(script).setAttribute('href', url);

    return watcher;

  }, document.title + ', external data: URL reference, existing');

  promise_test(t => {

    const svg = document.querySelector('svg');

    const script = newScriptElement();

    const watcher = expectEvents(t, script, ['error']);

    const url = getUrl('non-existing');

    svg.appendChild(script).setAttribute('href', url);

    return watcher;

  }, document.title + ', external reference, non-existing');

  promise_test(async t => {

    const svg = document.querySelector('svg');

    const script = newScriptElement();

    const watcher = expectEvents(t, script, ['load']);

    const url = getUrl('existing-slow');

    svg.appendChild(script).setAttribute('href', url);

    await new Promise(resolve => t.step_timeout(resolve, 0));

    script.remove();

    await watcher;

  }, document.title + ', external reference, existing, detached');

  promise_test(async t => {

    const svg = document.querySelector('svg');

    const script = newScriptElement();

    const watcher = expectEvents(t, script, ['error']);

    const url = getUrl('non-existing-slow');

    svg.appendChild(script).setAttribute('href', url);

    await new Promise(resolve => t.step_timeout(resolve, 0));

    script.remove();

    await watcher;

  }, document.title + ', external reference, non-existing, detached');

</script>