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//META: script=/resources/testdriver.js
//META: script=/resources/testdriver-vendor.js
//META: script=resources/font-test-utils.js
'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.');
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