| <!doctype html> |
| <html> |
| <title>This test verifies a video element of data uri src triggers an LCP entry |
| to be emitted</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <body> |
| <script> |
| const get_lcp_entry = () => { |
| return new Promise(resolve => { |
| new PerformanceObserver((list, observer) => { |
| if (list.getEntries()) { |
| observer.disconnect(); |
| resolve(list.getEntries()[0]); |
| } |
| }).observe({ type: "largest-contentful-paint", buffered: true }); |
| }); |
| }; |
| |
| promise_test(async t => { |
| lcpEntry = await get_lcp_entry(); |
| assert_true(lcpEntry.url.startsWith('data:video/webm;base64,GkXfo59C')); |
| }, "Video of data URI src should trigger an LCP entry to be emitted.") |
| </script> |
| <!-- |
| This is the base64 encoding of the images/pattern.webm video file. |
| --> |
| <video autoplay muted src="data:video/webm;base64,GkXfo59ChoEBQveBAULygQRC84EIQoKEd2VibUKHgQJChYECGFOAZwEAAAAAAAQxEU2bdLpNu4tT |
| q4QVSalmU6yBoU27i1OrhBZUrmtTrIHYTbuMU6uEElTDZ1OsggEpTbuMU6uEHFO7a1OsggQb7AEA |
| AAAAAABZAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA |
| AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAVSalmsirXsYMPQkBNgI1MYXZm |
| NTkuMjcuMTAwV0GNTGF2ZjU5LjI3LjEwMESJiECpQgAAAAAAFlSua8yuAQAAAAAAAEPXgQFzxYil |
| qEthhRpETZyBACK1nIN1bmSIgQCGhVZfVlA5g4EBI+ODhAH8oFXglLCBFLqBFJqBAlWwiFW3gQJV |
| uIECElTDZ0CBc3OgY8CAZ8iaRaOHRU5DT0RFUkSHjUxhdmY1OS4yNy4xMDBzc9tjwItjxYilqEth |
| hRpETWfIpUWjh0VOQ09ERVJEh5hMYXZjNTkuMzcuMTAwIGxpYnZweC12cDlnyKJFo4hEVVJBVElP |
| TkSHlDAwOjAwOjAzLjIzMzAwMDAwMAAAH0O2dUJl54EAo0G3gQAAgKJJg0IAACYAJsAHBIODAEAA |
| BnAAAHhP///9Q/65f////wmeP/////rwFR5Is7//mm/jI7F//4raSRl5AVkn///8c/8phq//5sl4 |
| 3m13ew5////YzH/quJ1///+7PmxlWQ33kfuEh+P//7od24Cqpi5QNC9i////+ElnriauN////ElQ |
| YZcxov4Yx///9zJe/hlKf///2wteAkNJPo3jxlcx//aCdOF2s2+6yc3qmgtrvSadpUHyhzKvZLHQ |
| HPfw/yBM392pGbYDf////Jt2l5ctakp//pFL/jdkaumyv2/hPNwTDXLuzq3Hshvf+xED6liPj/Yl |
| Op29O0x//+S1annta3jdCP//jCP//93mv/MS/st8352/8MPJZhn/uSe0wfT3LGr8+KY/dBfBjEv/ |
| 2aBMTfwh//RLcswNR+aoOCq2VZWOWaQEeS9kChnBNTwP4XHAhU1XXFbX//ZpyKr76trSCwv3k9AS |
| sQfD3WUHFH00UV+Dz33eUpd1rRhdo1WocotOnDqd3RNvs1Tx6BX9JBJ7CS/6OMSd1WhPK+CvqTn4 |
| Z1Op01X0KcAq7I08pT5UGSpQAKOTgQGQAKYAQJKcAEoAAAMgAABDQKOTgQMgAKYAQJKcAEoAAAMg |
| AABDQKOTgQSwAKYAQJKcAEoAAAMgAABDQKOTgQZAAKYAQJKcAEoAAAMgAABDQKOTgQfQAKYAQJKc |
| AEoAAAMgAABDQKOTgQlgAKYAQJKcAEoAAAMgAABDQKOTgQrwAKYAQJKcAEoAAAMgAABDQKOTgQyA |
| AKYAQJKcAEoAAAMgAABDQBxTu2uRu4+zgQC3iveBAfGCAbDwgQM=" width="600"></video> |
| </body> |
| |
| </html> |