font_access_detached_iframe.tentative.https.window.js (1545B)
1 // META: script=/resources/testdriver.js 2 // META: script=/resources/testdriver-vendor.js 3 // META: script=resources/font-test-utils.js 4 // META: timeout=long 5 6 'use strict'; 7 8 font_access_test(async t => { 9 const iframe = document.createElement('iframe'); 10 document.body.appendChild(iframe); 11 12 const frameWindow = iframe.contentWindow; 13 const frameDOMException = iframe.contentWindow.DOMException; 14 iframe.remove(); 15 16 await promise_rejects_dom( 17 t, 'InvalidStateError', frameDOMException, frameWindow.queryLocalFonts()); 18 }, 'queryLocalFonts() must return an error when called from a detached frame.'); 19 20 font_access_test(async t => { 21 const iframe = document.createElement('iframe'); 22 document.body.appendChild(iframe); 23 24 iframe.contentWindow.queryLocalFonts; 25 iframe.remove(); 26 27 // Call queryLocalFonts() in the main frame. This should keep the test running 28 // long enough to catch any crash from the queryLocalFonts() call in the 29 // removed iframe. 30 await self.queryLocalFonts(); 31 }, 'Detaching iframe while queryLocalFonts() settles.'); 32 33 font_access_test(async t => { 34 const iframe = document.createElement('iframe'); 35 document.body.appendChild(iframe); 36 37 const iframeFonts = await iframe.contentWindow.queryLocalFonts(); 38 assert_greater_than_equal(iframeFonts.length, 1, 'Need a least one font'); 39 const iframeFontData = iframeFonts[0]; 40 const frameDOMException = iframe.contentWindow.DOMException; 41 iframe.remove(); 42 43 iframeFontData.blob(); 44 }, 'FontData.blob() should not crash when called from a detached iframe.');