cross-global-revoke.sub.html

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This WPT test may be referenced by the following Test IDs:
- /FileAPI/url/cross-global-revoke.sub.html - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset="utf-8">

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

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

<script src="/common/get-host-info.sub.js"></script>

<body>

<script>

async_test(t => {

  const blob_contents = 'test blob contents';

  const blob = new Blob([blob_contents]);

  const url = URL.createObjectURL(blob);

  const frame = document.createElement('iframe');

  frame.setAttribute('style', 'display:none;');

  frame.src = 'resources/revoke-helper.html';

  document.body.appendChild(frame);

  frame.onload = t.step_func(e => {

    frame.contentWindow.postMessage({url: url}, '*');

});

  self.addEventListener('message', t.step_func(e => {

    if (e.source !== frame.contentWindow) return;

    assert_equals(e.data, 'revoked');

    promise_rejects_js(t, TypeError, fetch(url)).then(t.step_func_done());

  }));

}, 'It is possible to revoke same-origin blob URLs from different frames.');

async_test(t => {

  const blob_contents = 'test blob contents';

  const blob = new Blob([blob_contents]);

  const url = URL.createObjectURL(blob);

  const worker = new Worker('resources/revoke-helper.js');

  worker.onmessage = t.step_func(e => {

    assert_equals(e.data, 'revoked');

    promise_rejects_js(t, TypeError, fetch(url)).then(t.step_func_done());

});

  worker.postMessage({url: url});

}, 'It is possible to revoke same-origin blob URLs from a different worker global.');

async_test(t => {

  const blob_contents = 'test blob contents';

  const blob = new Blob([blob_contents]);

  const url = URL.createObjectURL(blob);

  const frame = document.createElement('iframe');

  frame.setAttribute('style', 'display:none;');

  frame.src = get_host_info().HTTP_REMOTE_ORIGIN + '/FileAPI/url/resources/revoke-helper.html';

  document.body.appendChild(frame);

  frame.onload = t.step_func(e => {

    frame.contentWindow.postMessage({url: url}, '*');

});

  self.addEventListener('message', t.step_func(e => {

    if (e.source !== frame.contentWindow) return;

    assert_equals(e.data, 'revoked');

    fetch(url).then(response => response.text()).then(t.step_func_done(text => {

      assert_equals(text, blob_contents);

    }), t.unreached_func('Unexpected promise rejection'));

  }));

}, 'It is not possible to revoke cross-origin blob URLs.');

</script>