third_party/WebKit/LayoutTests/media/video-dom-src.html - chromium/src - Git at Google

 <!DOCTYPE html>
 <title>Test media "src" attribute set via DOM.</title>
 <script src="../resources/testharness.js"></script>
 <script src="../resources/testharnessreport.js"></script>
 <script src="media-file.js"></script>
 <video></video>
 <script>
 async_test(function(t) {
     var video = document.querySelector("video");
     assert_equals(video.currentSrc, "");
     var mediaFile = findMediaFile("video", "content/test");
     video.src = mediaFile;
     assert_equals(video.currentSrc, "");

     video.oncanplaythrough = t.step_func_done(function() {
         var currentSrc = video.currentSrc;
         assert_equals(currentSrc.substr(currentSrc.lastIndexOf("/media/")+7), mediaFile);
     });
 });
 </script>
	<!DOCTYPE html>
	<title>Test media "src" attribute set via DOM.</title>
	<script src="../resources/testharness.js"></script>
	<script src="../resources/testharnessreport.js"></script>
	<script src="media-file.js"></script>
	<video></video>
	<script>
	async_test(function(t) {
	var video = document.querySelector("video");
	assert_equals(video.currentSrc, "");
	var mediaFile = findMediaFile("video", "content/test");
	video.src = mediaFile;
	assert_equals(video.currentSrc, "");

	video.oncanplaythrough = t.step_func_done(function() {
	var currentSrc = video.currentSrc;
	assert_equals(currentSrc.substr(currentSrc.lastIndexOf("/media/")+7), mediaFile);
	});
	});
	</script>