<!DOCTYPE HTML> <html class="reftest-wait"> <body style="background:white;"> <!-- Test to ensure that changing the poster after video has painted its first frame doesn't render the poster. The video frame should not change to the poster, since it's already painted its first video frame. --> <video src="black140x100.ogv" preload="auto" id="v" autoplay onended="document.getElementById('v').poster = 'blue250x200.png'; setTimeout(function(){document.documentElement.className = '';},0);"></video> </body> </html>