font_access_detached_iframe.tentative.https.window.js

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This test has a WPT meta file that expects 3 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /font-access/font_access_detached_iframe.tentative.https.window.html - WPT Dashboard Interop Dashboard

// META: script=/resources/testdriver.js

// META: script=/resources/testdriver-vendor.js

// META: script=resources/font-test-utils.js

// META: timeout=long

'use strict';

font_access_test(async t => {

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

  document.body.appendChild(iframe);

  const frameWindow = iframe.contentWindow;

  const frameDOMException = iframe.contentWindow.DOMException;

  iframe.remove();

  await promise_rejects_dom(

      t, 'InvalidStateError', frameDOMException, frameWindow.queryLocalFonts());

}, 'queryLocalFonts() must return an error when called from a detached frame.');

font_access_test(async t => {

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

  document.body.appendChild(iframe);

  iframe.contentWindow.queryLocalFonts;

  iframe.remove();

  // Call queryLocalFonts() in the main frame. This should keep the test running

  // long enough to catch any crash from the queryLocalFonts() call in the

  // removed iframe.

  await self.queryLocalFonts();

}, 'Detaching iframe while queryLocalFonts() settles.');

font_access_test(async t => {

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

  document.body.appendChild(iframe);

  const iframeFonts = await iframe.contentWindow.queryLocalFonts();

  assert_greater_than_equal(iframeFonts.length, 1, 'Need a least one font');

  const iframeFontData = iframeFonts[0];

  const frameDOMException = iframe.contentWindow.DOMException;

  iframe.remove();

  iframeFontData.blob();

}, 'FontData.blob() should not crash when called from a detached iframe.');