| <!doctype html> |
| <meta charset=utf-8> |
| <title>img update media</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script> |
| var t = async_test('set media after src updates selected image'); |
| |
| var img; |
| |
| onload = t.step_func(function() { |
| img = document.querySelector('img'); |
| img.addEventListener('load', t.step_func_done(onImgLoad)); |
| |
| var source = document.querySelector('source[data-media]'); |
| source.setAttribute('media', source.getAttribute('data-media')); |
| }); |
| |
| function onImgLoad() { |
| img.removeEventListener('load', onImgLoad); |
| |
| assert_true(img.currentSrc.indexOf(img.getAttribute('data-expect')) > -1); |
| } |
| |
| </script> |
| |
| <div id="log"></div> |
| <picture> |
| <source srcset="/images/fail.gif" data-media="(max-width: 1px)" /> |
| <source srcset="/images/smiley.png" /> |
| <img data-expect="/images/smiley.png"> |
| </picture> |
