third_party/blink/web_tests/external/wpt/html/semantics/embedded-content/the-img-element/relevant-mutations.html - codesearch/chromium/src - Git at Google

 <!doctype html>
 <title>img relevant mutations</title>
 <meta name="timeout" content="long">
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
 <div id=log></div>

 <!-- should invoke update the image data -->

 <img data-desc="src set">
 <img src="/images/green-2x2.png" data-desc="src changed">
 <img src="/images/green-2x2.png" data-desc="src removed">

 <img data-desc="srcset set">
 <img srcset="/images/green-2x2.png" data-desc="srcset changed">
 <img srcset="/images/green-2x2.png" data-desc="srcset removed">

 <img data-desc="sizes set">
 <img sizes="" data-desc="sizes changed">
 <img sizes="" data-desc="sizes removed">

 <img src="/images/green-2x2.png" data-desc="src set to same value">

 <img data-desc="crossorigin absent to empty, src absent">
 <img data-desc="crossorigin absent to anonymous, src absent">
 <img data-desc="crossorigin absent to use-credentials, src absent">
 <img crossorigin data-desc="crossorigin empty to absent, src absent">
 <img crossorigin data-desc="crossorigin empty to use-credentials, src absent">
 <img crossorigin=anonymous data-desc="crossorigin anonymous to absent, src absent">
 <img crossorigin=anonymous data-desc="crossorigin anonymous to use-credentials, src absent">
 <img crossorigin=use-credentials data-desc="crossorigin use-credentials to absent, src absent">
 <img crossorigin=use-credentials data-desc="crossorigin use-credentials to empty, src absent">
 <img crossorigin=use-credentials data-desc="crossorigin use-credentials to anonymous, src absent">

 <img src="/images/green-2x2.png" data-desc="crossorigin absent to empty, src already set">
 <img src="/images/green-2x2.png" data-desc="crossorigin absent to anonymous, src already set">
 <img src="/images/green-2x2.png" data-desc="crossorigin absent to use-credentials, src already set">
 <img src="/images/green-2x2.png" crossorigin data-desc="crossorigin empty to absent, src already set">
 <img src="/images/green-2x2.png" crossorigin data-desc="crossorigin empty to use-credentials, src already set">
 <img src="/images/green-2x2.png" crossorigin=anonymous data-desc="crossorigin anonymous to absent, src already set">
 <img src="/images/green-2x2.png" crossorigin=anonymous data-desc="crossorigin anonymous to use-credentials, src already set">
 <img src="/images/green-2x2.png" crossorigin=use-credentials data-desc="crossorigin use-credentials to absent, src already set">
 <img src="/images/green-2x2.png" crossorigin=use-credentials data-desc="crossorigin use-credentials to empty, src already set">
 <img src="/images/green-2x2.png" crossorigin=use-credentials data-desc="crossorigin use-credentials to anonymous, src already set">

 <img src="/images/green-2x2.png" data-desc="inserted into picture"><picture></picture>

 <picture><img src="/images/green-2x2.png" data-desc="removed from picture"></picture>

 <picture><img src="/images/green-2x2.png" data-desc="parent is picture, previous source inserted"></picture>

 <picture><source><img src="/images/green-2x2.png" data-desc="parent is picture, previous source removed"></picture>

 <picture><source><img src="/images/green-2x2.png" data-desc="parent is picture, previous source has srcset set"></picture>
 <picture><source srcset=""><img src="/images/green-2x2.png" data-desc="parent is picture, previous source has srcset changed"></picture>
 <picture><source srcset=""><img src="/images/green-2x2.png" data-desc="parent is picture, previous source has srcset removed"></picture>

 <picture><source><img src="/images/green-2x2.png" data-desc="parent is picture, previous source has sizes set"></picture>
 <picture><source sizes=""><img src="/images/green-2x2.png" data-desc="parent is picture, previous source has sizes changed"></picture>
 <picture><source sizes=""><img src="/images/green-2x2.png" data-desc="parent is picture, previous source has sizes removed"></picture>

 <picture><source><img src="/images/green-2x2.png" data-desc="parent is picture, previous source has media set"></picture>
 <picture><source media=""><img src="/images/green-2x2.png" data-desc="parent is picture, previous source has media changed"></picture>
 <picture><source media=""><img src="/images/green-2x2.png" data-desc="parent is picture, previous source has media removed"></picture>

 <picture><source><img src="/images/green-2x2.png" data-desc="parent is picture, previous source has type set"></picture>
 <picture><source type=""><img src="/images/green-2x2.png" data-desc="parent is picture, previous source has type changed"></picture>
 <picture><source type=""><img src="/images/green-2x2.png" data-desc="parent is picture, previous source has type removed"></picture>

 <!-- should not invoke update the image data -->

 <img srcset="/images/green-2x2.png" data-desc="srcset is set to same value">
 <img srcset="/images/green-2x2.png" sizes data-desc="sizes is set to same value">

 <img src="/images/green-2x2.png" data-desc="crossorigin state not changed: absent, removeAttribute">
 <img src="/images/green-2x2.png" crossorigin data-desc="crossorigin state not changed: empty to anonymous">
 <img src="/images/green-2x2.png" crossorigin=anonymous data-desc="crossorigin state not changed: anonymous to foobar">
 <img src="/images/green-2x2.png" crossorigin=use-credentials data-desc="crossorigin state not changed: use-credentials to USE-CREDENTIALS">

 <img src="/images/green-2x2.png" data-desc="inserted into picture ancestor"><picture><span></span></picture>
 <picture><span><img src="/images/green-2x2.png" data-desc="removed from picture ancestor"></span></picture>

 <picture><span><img src="/images/green-2x2.png" data-desc="ancestor picture has a source inserted"></span></picture>
 <picture><source><span><img src="/images/green-2x2.png" data-desc="ancestor picture has a source removed"></span></picture>

 <picture><span><img src="/images/green-2x2.png" data-desc="ancestor picture; previous sibling source inserted"></span></picture>
 <picture><span><source><img src="/images/green-2x2.png" data-desc="ancestor picture; previous sibling source removed"></span></picture>

 <picture><img src="/images/green-2x2.png" data-desc="parent is picture, following sibling source inserted"></picture>
 <picture><img src="/images/green-2x2.png" data-desc="parent is picture, following sibling source removed"><source></picture>

 <picture><img src="/images/green-2x2.png" data-desc="parent is picture, following sibling source has srcset set"><source></picture>

 <img src="/images/green-2x2.png" data-desc="media on img set">
 <img src="/images/green-2x2.png" data-desc="type on img set">
 <img src="/images/green-2x2.png" data-desc="class on img set">
 <img src="/images/green-2x2.png" data-desc="alt on img set">

 <picture><source><img src="/images/green-2x2.png" data-desc="src on previous sibling source set"></picture>
 <picture><source><img src="/images/green-2x2.png" data-desc="class on previous sibling source set"></picture>

 <img src="/images/green-2x2.png" data-desc="inserted/removed children of img">

 <picture><img src="/images/green-2x2.png" data-desc="picture is inserted; img has src"></picture><span></span>
 <picture><img srcset="/images/green-2x2.png" data-desc="picture is inserted; img has srcset"></picture><span></span>
 <picture><source srcset="/images/green-2x2.png"><img src="/images/green-2x2.png" data-desc="picture is inserted; img has previous sibling source"></picture><span></span>
 <picture><img src="/images/green-2x2.png" data-desc="picture is inserted; img has following sibling source"><source srcset="/images/green-2x2.png"></picture><span></span>

 <picture><img src="/images/green-2x2.png" data-desc="picture is removed; img has src"></picture>
 <picture><img srcset="/images/green-2x2.png" data-desc="picture is removed; img has srcset"></picture>
 <picture><source srcset="/images/green-2x2.png"><img src="/images/green-2x2.png" data-desc="picture is removed; img has previous sibling source"></picture>
 <picture><img src="/images/green-2x2.png" data-desc="picture is removed; img has following sibling source"><source srcset="/images/green-2x2.png"></picture>

 <picture><img src="/images/green-2x2.png" data-desc="parent is picture, following img inserted"></picture>
 <picture><img src="/images/green-2x2.png" data-desc="parent is picture, following img removed"><img></picture>
 <picture><img src="/images/green-2x2.png" data-desc="parent is picture, following img has src set"><img></picture>
 <picture><img src="/images/green-2x2.png" data-desc="parent is picture, following img has srcset set"><img></picture>
 <picture><img src="/images/green-2x2.png" data-desc="parent is picture, following img has sizes set"><img></picture>


 <script>
 setup({explicit_done:true});

 function t(desc, func, expect) {
   async_test(function() {
     var img = document.querySelector('[data-desc="' + desc + '"]');
     img.onload = img.onerror = this.unreached_func('update the image data was run');
     if (expect == 'timeout') {
       setTimeout(this.step_func_done(), 1000);
     } else {
       img['on' + expect] = this.step_func_done(function() {});
     }
     func.call(this, img);
   }, desc);
 }

 onload = function() {

   t('src set', function(img) {
     img.src = '/images/green-2x2.png';
   }, 'load');

   t('src changed', function(img) {
     img.src = '/images/green-2x2.png ';
   }, 'load');

   t('src removed', function(img) {
     img.removeAttribute('src');
   }, 'timeout');

   t('srcset set', function(img) {
     img.srcset = '/images/green-2x2.png';
   }, 'load');

   t('srcset changed', function(img) {
     img.srcset = '/images/green-2x2.png ';
   }, 'load');

   t('srcset removed', function(img) {
     img.removeAttribute('srcset');
   }, 'timeout');

   t('sizes set', function(img) {
     img.sizes = '';
   }, 'timeout');

   t('sizes changed', function(img) {
     img.sizes = ' ';
   }, 'timeout');

   t('sizes removed', function(img) {
     img.removeAttribute('sizes');
   }, 'timeout');

   t('src set to same value', function(img) {
     img.src = '/images/green-2x2.png';
   }, 'load');

   // When src is absent, changing the crossorigin attribute state MUST NOT
   // generate events.

   t('crossorigin absent to empty, src absent', function(img) {
     img.crossOrigin = '';
   }, 'timeout');

   t('crossorigin absent to anonymous, src absent', function(img) {
     img.crossOrigin = 'anonymous';
   }, 'timeout');

   t('crossorigin absent to use-credentials, src absent', function(img) {
     img.crossOrigin = 'use-credentials';
   }, 'timeout');

   t('crossorigin empty to absent, src absent', function(img) {
     img.removeAttribute('crossorigin');
   }, 'timeout');

   t('crossorigin empty to use-credentials, src absent', function(img) {
     img.crossOrigin = 'use-credentials';
   }, 'timeout');

   t('crossorigin anonymous to absent, src absent', function(img) {
     img.removeAttribute('crossorigin');
   }, 'timeout');

   t('crossorigin anonymous to use-credentials, src absent', function(img) {
     img.crossOrigin = 'use-credentials';
   }, 'timeout');

   t('crossorigin use-credentials to absent, src absent', function(img) {
     img.removeAttribute('crossorigin');
   }, 'timeout');

   t('crossorigin use-credentials to empty, src absent', function(img) {
     img.crossOrigin = '';
   }, 'timeout');

   t('crossorigin use-credentials to anonymous, src absent', function(img) {
     img.crossOrigin = 'anonymous';
   }, 'timeout');

   // When src is set, changing the crossorigin attribute state MUST generate
   // events.

   t('crossorigin absent to empty, src already set', function(img) {
     img.crossOrigin = '';
   }, 'load');

   t('crossorigin absent to anonymous, src already set', function(img) {
     img.crossOrigin = 'anonymous';
   }, 'load');

   t('crossorigin absent to use-credentials, src already set', function(img) {
     img.crossOrigin = 'use-credentials';
   }, 'load');

   t('crossorigin empty to absent, src already set', function(img) {
     img.removeAttribute('crossorigin');
   }, 'load');

   t('crossorigin empty to use-credentials, src already set', function(img) {
     img.crossOrigin = 'use-credentials';
   }, 'load');

   t('crossorigin anonymous to absent, src already set', function(img) {
     img.removeAttribute('crossorigin');
   }, 'load');

   t('crossorigin anonymous to use-credentials, src already set', function(img) {
     img.crossOrigin = 'use-credentials';
   }, 'load');

   t('crossorigin use-credentials to absent, src already set', function(img) {
     img.removeAttribute('crossorigin');
   }, 'load');

   t('crossorigin use-credentials to empty, src already set', function(img) {
     img.crossOrigin = '';
   }, 'load');

   t('crossorigin use-credentials to anonymous, src already set', function(img) {
     img.crossOrigin = 'anonymous';
   }, 'load');

   t('inserted into picture', function(img) {
     img.nextSibling.appendChild(img);
   }, 'load');

   t('removed from picture', function(img) {
     img.parentNode.removeChild(img);
   }, 'load');

   t('parent is picture, previous source inserted', function(img) {
     img.parentNode.insertBefore(document.createElement('source'), img);
   }, 'load');

   t('parent is picture, previous source removed', function(img) {
     img.parentNode.removeChild(img.previousSibling);
   }, 'load');

   t('parent is picture, previous source has srcset set', function(img) {
     img.previousSibling.srcset = '';
   }, 'load');

   t('parent is picture, previous source has srcset changed', function(img) {
     img.previousSibling.srcset = ' ';
   }, 'load');

   t('parent is picture, previous source has srcset removed', function(img) {
     img.previousSibling.removeAttribute('srcset');
   }, 'load');

   t('parent is picture, previous source has sizes set', function(img) {
     img.previousSibling.sizes = '';
   }, 'load');

   t('parent is picture, previous source has sizes changed', function(img) {
     img.previousSibling.sizes = ' ';
   }, 'load');

   t('parent is picture, previous source has sizes removed', function(img) {
     img.previousSibling.removeAttribute('sizes');
   }, 'load');

   t('parent is picture, previous source has media set', function(img) {
     img.previousSibling.media = '';
   }, 'load');

   t('parent is picture, previous source has media changed', function(img) {
     img.previousSibling.media = ' ';
   }, 'load');

   t('parent is picture, previous source has media removed', function(img) {
     img.previousSibling.removeAttribute('media');
   }, 'load');

   t('parent is picture, previous source has type set', function(img) {
     img.previousSibling.type = '';
   }, 'load');

   t('parent is picture, previous source has type changed', function(img) {
     img.previousSibling.type = ' ';
   }, 'load');

   t('parent is picture, previous source has type removed', function(img) {
     img.previousSibling.removeAttribute('type');
   }, 'load');

   t('srcset is set to same value', function(img) {
     img.srcset = "/images/green-2x2.png";
   }, 'timeout');

   t('sizes is set to same value', function(img) {
     img.sizes = '';
   }, 'timeout');

   t('crossorigin state not changed: absent, removeAttribute', function(img) {
     img.removeAttribute('crossorigin');
   }, 'timeout');

   t('crossorigin state not changed: empty to anonymous', function(img) {
     img.crossOrigin = 'anonymous';
   }, 'timeout');

   t('crossorigin state not changed: anonymous to foobar', function(img) {
     img.crossOrigin = 'foobar';
   }, 'timeout');

   t('crossorigin state not changed: use-credentials to USE-CREDENTIALS', function(img) {
     img.crossOrigin = 'USE-CREDENTIALS';
   }, 'timeout');

   t('inserted into picture ancestor', function(img) {
     img.nextSibling.firstChild.appendChild(img);
   }, 'timeout');

   t('removed from picture ancestor', function(img) {
     img.parentNode.removeChild(img);
   }, 'timeout');

   t('ancestor picture has a source inserted', function(img) {
     img.parentNode.parentNode.insertBefore(document.createElement('source'), img.parentNode);
   }, 'timeout');

   t('ancestor picture has a source removed', function(img) {
     img.parentNode.parentNode.removeChild(img.parentNode.previousSibling);
   }, 'timeout');

   t('ancestor picture; previous sibling source inserted', function(img) {
     img.parentNode.insertBefore(document.createElement('source'), img);
   }, 'timeout');

   t('ancestor picture; previous sibling source removed', function(img) {
     img.parentNode.removeChild(img.previousSibling);
   }, 'timeout');

   t('parent is picture, following sibling source inserted', function(img) {
     img.parentNode.appendChild(document.createElement('source'));
   }, 'timeout');

   t('parent is picture, following sibling source removed', function(img) {
     img.parentNode.removeChild(img.nextSibling);
   }, 'timeout');

   t('parent is picture, following sibling source has srcset set', function(img) {
     img.nextSibling.srcset = '';
   }, 'timeout');

   t('media on img set', function(img) {
     img.setAttribute('media', '');
   }, 'timeout');

   t('type on img set', function(img) {
     img.setAttribute('type', '');
   }, 'timeout');

   t('class on img set', function(img) {
     img.className = '';
   }, 'timeout');

   t('alt on img set', function(img) {
     img.alt = '';
   }, 'timeout');

   t('src on previous sibling source set', function(img) {
     img.previousSibling.setAttribute('src', '');
   }, 'timeout');

   t('class on previous sibling source set', function(img) {
     img.previousSibling.className = '';
   }, 'timeout');

   t('inserted/removed children of img', function(img) {
     img.appendChild(document.createElement('source'));
     setTimeout(this.step_func(function() {
       img.removeChild(img.firstChild);
     }), 0);
   }, 'timeout');

   t('picture is inserted; img has src', function(img) {
     img.parentNode.nextSibling.appendChild(img.parentNode);
   }, 'timeout');

   t('picture is inserted; img has srcset', function(img) {
     img.parentNode.nextSibling.appendChild(img.parentNode);
   }, 'timeout');

   t('picture is inserted; img has previous sibling source', function(img) {
     img.parentNode.nextSibling.appendChild(img.parentNode);
   }, 'timeout');

   t('picture is inserted; img has following sibling source', function(img) {
     img.parentNode.nextSibling.appendChild(img.parentNode);
   }, 'timeout');

   t('picture is removed; img has src', function(img) {
     img.parentNode.parentNode.removeChild(img.parentNode);
   }, 'timeout');

   t('picture is removed; img has srcset', function(img) {
     img.parentNode.parentNode.removeChild(img.parentNode);
   }, 'timeout');

   t('picture is removed; img has previous sibling source', function(img) {
     img.parentNode.parentNode.removeChild(img.parentNode);
   }, 'timeout');

   t('picture is removed; img has following sibling source', function(img) {
     img.parentNode.parentNode.removeChild(img.parentNode);
   }, 'timeout');

   t('parent is picture, following img inserted', function(img) {
     img.parentNode.appendChild(document.createElement('img'));
   }, 'timeout');

   t('parent is picture, following img removed', function(img) {
     img.parentNode.removeChild(img.nextSibling);
   }, 'timeout');

   t('parent is picture, following img has src set', function(img) {
     img.nextSibling.src = '';
   }, 'timeout');

   t('parent is picture, following img has srcset set', function(img) {
     img.nextSibling.srcset = '';
   }, 'timeout');

   t('parent is picture, following img has sizes set', function(img) {
     img.nextSibling.sizes = '';
   }, 'timeout');

   done();
 };
 </script>
	<!doctype html>
	<title>img relevant mutations</title>
	<meta name="timeout" content="long">
	<script src="/resources/testharness.js"></script>
	<script src="/resources/testharnessreport.js"></script>
	<div id=log></div>

	<!-- should invoke update the image data -->

	<img data-desc="src set">
	<img src="/images/green-2x2.png" data-desc="src changed">
	<img src="/images/green-2x2.png" data-desc="src removed">

	<img data-desc="srcset set">
	<img srcset="/images/green-2x2.png" data-desc="srcset changed">
	<img srcset="/images/green-2x2.png" data-desc="srcset removed">

	<img data-desc="sizes set">
	<img sizes="" data-desc="sizes changed">
	<img sizes="" data-desc="sizes removed">

	<img src="/images/green-2x2.png" data-desc="src set to same value">

	<img data-desc="crossorigin absent to empty, src absent">
	<img data-desc="crossorigin absent to anonymous, src absent">
	<img data-desc="crossorigin absent to use-credentials, src absent">
	<img crossorigin data-desc="crossorigin empty to absent, src absent">
	<img crossorigin data-desc="crossorigin empty to use-credentials, src absent">
	<img crossorigin=anonymous data-desc="crossorigin anonymous to absent, src absent">
	<img crossorigin=anonymous data-desc="crossorigin anonymous to use-credentials, src absent">
	<img crossorigin=use-credentials data-desc="crossorigin use-credentials to absent, src absent">
	<img crossorigin=use-credentials data-desc="crossorigin use-credentials to empty, src absent">
	<img crossorigin=use-credentials data-desc="crossorigin use-credentials to anonymous, src absent">

	<img src="/images/green-2x2.png" data-desc="crossorigin absent to empty, src already set">
	<img src="/images/green-2x2.png" data-desc="crossorigin absent to anonymous, src already set">
	<img src="/images/green-2x2.png" data-desc="crossorigin absent to use-credentials, src already set">
	<img src="/images/green-2x2.png" crossorigin data-desc="crossorigin empty to absent, src already set">
	<img src="/images/green-2x2.png" crossorigin data-desc="crossorigin empty to use-credentials, src already set">
	<img src="/images/green-2x2.png" crossorigin=anonymous data-desc="crossorigin anonymous to absent, src already set">
	<img src="/images/green-2x2.png" crossorigin=anonymous data-desc="crossorigin anonymous to use-credentials, src already set">
	<img src="/images/green-2x2.png" crossorigin=use-credentials data-desc="crossorigin use-credentials to absent, src already set">
	<img src="/images/green-2x2.png" crossorigin=use-credentials data-desc="crossorigin use-credentials to empty, src already set">
	<img src="/images/green-2x2.png" crossorigin=use-credentials data-desc="crossorigin use-credentials to anonymous, src already set">

	<img src="/images/green-2x2.png" data-desc="inserted into picture"><picture></picture>

	<picture><img src="/images/green-2x2.png" data-desc="removed from picture"></picture>

	<picture><img src="/images/green-2x2.png" data-desc="parent is picture, previous source inserted"></picture>

	<picture><source><img src="/images/green-2x2.png" data-desc="parent is picture, previous source removed"></picture>

	<picture><source><img src="/images/green-2x2.png" data-desc="parent is picture, previous source has srcset set"></picture>
	<picture><source srcset=""><img src="/images/green-2x2.png" data-desc="parent is picture, previous source has srcset changed"></picture>
	<picture><source srcset=""><img src="/images/green-2x2.png" data-desc="parent is picture, previous source has srcset removed"></picture>

	<picture><source><img src="/images/green-2x2.png" data-desc="parent is picture, previous source has sizes set"></picture>
	<picture><source sizes=""><img src="/images/green-2x2.png" data-desc="parent is picture, previous source has sizes changed"></picture>
	<picture><source sizes=""><img src="/images/green-2x2.png" data-desc="parent is picture, previous source has sizes removed"></picture>

	<picture><source><img src="/images/green-2x2.png" data-desc="parent is picture, previous source has media set"></picture>
	<picture><source media=""><img src="/images/green-2x2.png" data-desc="parent is picture, previous source has media changed"></picture>
	<picture><source media=""><img src="/images/green-2x2.png" data-desc="parent is picture, previous source has media removed"></picture>

	<picture><source><img src="/images/green-2x2.png" data-desc="parent is picture, previous source has type set"></picture>
	<picture><source type=""><img src="/images/green-2x2.png" data-desc="parent is picture, previous source has type changed"></picture>
	<picture><source type=""><img src="/images/green-2x2.png" data-desc="parent is picture, previous source has type removed"></picture>

	<!-- should not invoke update the image data -->

	<img srcset="/images/green-2x2.png" data-desc="srcset is set to same value">
	<img srcset="/images/green-2x2.png" sizes data-desc="sizes is set to same value">

	<img src="/images/green-2x2.png" data-desc="crossorigin state not changed: absent, removeAttribute">
	<img src="/images/green-2x2.png" crossorigin data-desc="crossorigin state not changed: empty to anonymous">
	<img src="/images/green-2x2.png" crossorigin=anonymous data-desc="crossorigin state not changed: anonymous to foobar">
	<img src="/images/green-2x2.png" crossorigin=use-credentials data-desc="crossorigin state not changed: use-credentials to USE-CREDENTIALS">

	<img src="/images/green-2x2.png" data-desc="inserted into picture ancestor"><picture><span></span></picture>
	<picture><span><img src="/images/green-2x2.png" data-desc="removed from picture ancestor"></span></picture>

	<picture><span><img src="/images/green-2x2.png" data-desc="ancestor picture has a source inserted"></span></picture>
	<picture><source><span><img src="/images/green-2x2.png" data-desc="ancestor picture has a source removed"></span></picture>

	<picture><span><img src="/images/green-2x2.png" data-desc="ancestor picture; previous sibling source inserted"></span></picture>
	<picture><span><source><img src="/images/green-2x2.png" data-desc="ancestor picture; previous sibling source removed"></span></picture>

	<picture><img src="/images/green-2x2.png" data-desc="parent is picture, following sibling source inserted"></picture>
	<picture><img src="/images/green-2x2.png" data-desc="parent is picture, following sibling source removed"><source></picture>

	<picture><img src="/images/green-2x2.png" data-desc="parent is picture, following sibling source has srcset set"><source></picture>

	<img src="/images/green-2x2.png" data-desc="media on img set">
	<img src="/images/green-2x2.png" data-desc="type on img set">
	<img src="/images/green-2x2.png" data-desc="class on img set">
	<img src="/images/green-2x2.png" data-desc="alt on img set">

	<picture><source><img src="/images/green-2x2.png" data-desc="src on previous sibling source set"></picture>
	<picture><source><img src="/images/green-2x2.png" data-desc="class on previous sibling source set"></picture>

	<img src="/images/green-2x2.png" data-desc="inserted/removed children of img">

	<picture><img src="/images/green-2x2.png" data-desc="picture is inserted; img has src"></picture><span></span>
	<picture><img srcset="/images/green-2x2.png" data-desc="picture is inserted; img has srcset"></picture><span></span>
	<picture><source srcset="/images/green-2x2.png"><img src="/images/green-2x2.png" data-desc="picture is inserted; img has previous sibling source"></picture><span></span>
	<picture><img src="/images/green-2x2.png" data-desc="picture is inserted; img has following sibling source"><source srcset="/images/green-2x2.png"></picture><span></span>

	<picture><img src="/images/green-2x2.png" data-desc="picture is removed; img has src"></picture>
	<picture><img srcset="/images/green-2x2.png" data-desc="picture is removed; img has srcset"></picture>
	<picture><source srcset="/images/green-2x2.png"><img src="/images/green-2x2.png" data-desc="picture is removed; img has previous sibling source"></picture>
	<picture><img src="/images/green-2x2.png" data-desc="picture is removed; img has following sibling source"><source srcset="/images/green-2x2.png"></picture>

	<picture><img src="/images/green-2x2.png" data-desc="parent is picture, following img inserted"></picture>
	<picture><img src="/images/green-2x2.png" data-desc="parent is picture, following img removed"><img></picture>
	<picture><img src="/images/green-2x2.png" data-desc="parent is picture, following img has src set"><img></picture>
	<picture><img src="/images/green-2x2.png" data-desc="parent is picture, following img has srcset set"><img></picture>
	<picture><img src="/images/green-2x2.png" data-desc="parent is picture, following img has sizes set"><img></picture>


	<script>
	setup({explicit_done:true});

	function t(desc, func, expect) {
	async_test(function() {
	var img = document.querySelector('[data-desc="' + desc + '"]');
	img.onload = img.onerror = this.unreached_func('update the image data was run');
	if (expect == 'timeout') {
	setTimeout(this.step_func_done(), 1000);
	} else {
	img['on' + expect] = this.step_func_done(function() {});
	}
	func.call(this, img);
	}, desc);
	}

	onload = function() {

	t('src set', function(img) {
	img.src = '/images/green-2x2.png';
	}, 'load');

	t('src changed', function(img) {
	img.src = '/images/green-2x2.png ';
	}, 'load');

	t('src removed', function(img) {
	img.removeAttribute('src');
	}, 'timeout');

	t('srcset set', function(img) {
	img.srcset = '/images/green-2x2.png';
	}, 'load');

	t('srcset changed', function(img) {
	img.srcset = '/images/green-2x2.png ';
	}, 'load');

	t('srcset removed', function(img) {
	img.removeAttribute('srcset');
	}, 'timeout');

	t('sizes set', function(img) {
	img.sizes = '';
	}, 'timeout');

	t('sizes changed', function(img) {
	img.sizes = ' ';
	}, 'timeout');

	t('sizes removed', function(img) {
	img.removeAttribute('sizes');
	}, 'timeout');

	t('src set to same value', function(img) {
	img.src = '/images/green-2x2.png';
	}, 'load');

	// When src is absent, changing the crossorigin attribute state MUST NOT
	// generate events.

	t('crossorigin absent to empty, src absent', function(img) {
	img.crossOrigin = '';
	}, 'timeout');

	t('crossorigin absent to anonymous, src absent', function(img) {
	img.crossOrigin = 'anonymous';
	}, 'timeout');

	t('crossorigin absent to use-credentials, src absent', function(img) {
	img.crossOrigin = 'use-credentials';
	}, 'timeout');

	t('crossorigin empty to absent, src absent', function(img) {
	img.removeAttribute('crossorigin');
	}, 'timeout');

	t('crossorigin empty to use-credentials, src absent', function(img) {
	img.crossOrigin = 'use-credentials';
	}, 'timeout');

	t('crossorigin anonymous to absent, src absent', function(img) {
	img.removeAttribute('crossorigin');
	}, 'timeout');

	t('crossorigin anonymous to use-credentials, src absent', function(img) {
	img.crossOrigin = 'use-credentials';
	}, 'timeout');

	t('crossorigin use-credentials to absent, src absent', function(img) {
	img.removeAttribute('crossorigin');
	}, 'timeout');

	t('crossorigin use-credentials to empty, src absent', function(img) {
	img.crossOrigin = '';
	}, 'timeout');

	t('crossorigin use-credentials to anonymous, src absent', function(img) {
	img.crossOrigin = 'anonymous';
	}, 'timeout');

	// When src is set, changing the crossorigin attribute state MUST generate
	// events.

	t('crossorigin absent to empty, src already set', function(img) {
	img.crossOrigin = '';
	}, 'load');

	t('crossorigin absent to anonymous, src already set', function(img) {
	img.crossOrigin = 'anonymous';
	}, 'load');

	t('crossorigin absent to use-credentials, src already set', function(img) {
	img.crossOrigin = 'use-credentials';
	}, 'load');

	t('crossorigin empty to absent, src already set', function(img) {
	img.removeAttribute('crossorigin');
	}, 'load');

	t('crossorigin empty to use-credentials, src already set', function(img) {
	img.crossOrigin = 'use-credentials';
	}, 'load');

	t('crossorigin anonymous to absent, src already set', function(img) {
	img.removeAttribute('crossorigin');
	}, 'load');

	t('crossorigin anonymous to use-credentials, src already set', function(img) {
	img.crossOrigin = 'use-credentials';
	}, 'load');

	t('crossorigin use-credentials to absent, src already set', function(img) {
	img.removeAttribute('crossorigin');
	}, 'load');

	t('crossorigin use-credentials to empty, src already set', function(img) {
	img.crossOrigin = '';
	}, 'load');

	t('crossorigin use-credentials to anonymous, src already set', function(img) {
	img.crossOrigin = 'anonymous';
	}, 'load');

	t('inserted into picture', function(img) {
	img.nextSibling.appendChild(img);
	}, 'load');

	t('removed from picture', function(img) {
	img.parentNode.removeChild(img);
	}, 'load');

	t('parent is picture, previous source inserted', function(img) {
	img.parentNode.insertBefore(document.createElement('source'), img);
	}, 'load');

	t('parent is picture, previous source removed', function(img) {
	img.parentNode.removeChild(img.previousSibling);
	}, 'load');

	t('parent is picture, previous source has srcset set', function(img) {
	img.previousSibling.srcset = '';
	}, 'load');

	t('parent is picture, previous source has srcset changed', function(img) {
	img.previousSibling.srcset = ' ';
	}, 'load');

	t('parent is picture, previous source has srcset removed', function(img) {
	img.previousSibling.removeAttribute('srcset');
	}, 'load');

	t('parent is picture, previous source has sizes set', function(img) {
	img.previousSibling.sizes = '';
	}, 'load');

	t('parent is picture, previous source has sizes changed', function(img) {
	img.previousSibling.sizes = ' ';
	}, 'load');

	t('parent is picture, previous source has sizes removed', function(img) {
	img.previousSibling.removeAttribute('sizes');
	}, 'load');

	t('parent is picture, previous source has media set', function(img) {
	img.previousSibling.media = '';
	}, 'load');

	t('parent is picture, previous source has media changed', function(img) {
	img.previousSibling.media = ' ';
	}, 'load');

	t('parent is picture, previous source has media removed', function(img) {
	img.previousSibling.removeAttribute('media');
	}, 'load');

	t('parent is picture, previous source has type set', function(img) {
	img.previousSibling.type = '';
	}, 'load');

	t('parent is picture, previous source has type changed', function(img) {
	img.previousSibling.type = ' ';
	}, 'load');

	t('parent is picture, previous source has type removed', function(img) {
	img.previousSibling.removeAttribute('type');
	}, 'load');

	t('srcset is set to same value', function(img) {
	img.srcset = "/images/green-2x2.png";
	}, 'timeout');

	t('sizes is set to same value', function(img) {
	img.sizes = '';
	}, 'timeout');

	t('crossorigin state not changed: absent, removeAttribute', function(img) {
	img.removeAttribute('crossorigin');
	}, 'timeout');

	t('crossorigin state not changed: empty to anonymous', function(img) {
	img.crossOrigin = 'anonymous';
	}, 'timeout');

	t('crossorigin state not changed: anonymous to foobar', function(img) {
	img.crossOrigin = 'foobar';
	}, 'timeout');

	t('crossorigin state not changed: use-credentials to USE-CREDENTIALS', function(img) {
	img.crossOrigin = 'USE-CREDENTIALS';
	}, 'timeout');

	t('inserted into picture ancestor', function(img) {
	img.nextSibling.firstChild.appendChild(img);
	}, 'timeout');

	t('removed from picture ancestor', function(img) {
	img.parentNode.removeChild(img);
	}, 'timeout');

	t('ancestor picture has a source inserted', function(img) {
	img.parentNode.parentNode.insertBefore(document.createElement('source'), img.parentNode);
	}, 'timeout');

	t('ancestor picture has a source removed', function(img) {
	img.parentNode.parentNode.removeChild(img.parentNode.previousSibling);
	}, 'timeout');

	t('ancestor picture; previous sibling source inserted', function(img) {
	img.parentNode.insertBefore(document.createElement('source'), img);
	}, 'timeout');

	t('ancestor picture; previous sibling source removed', function(img) {
	img.parentNode.removeChild(img.previousSibling);
	}, 'timeout');

	t('parent is picture, following sibling source inserted', function(img) {
	img.parentNode.appendChild(document.createElement('source'));
	}, 'timeout');

	t('parent is picture, following sibling source removed', function(img) {
	img.parentNode.removeChild(img.nextSibling);
	}, 'timeout');

	t('parent is picture, following sibling source has srcset set', function(img) {
	img.nextSibling.srcset = '';
	}, 'timeout');

	t('media on img set', function(img) {
	img.setAttribute('media', '');
	}, 'timeout');

	t('type on img set', function(img) {
	img.setAttribute('type', '');
	}, 'timeout');

	t('class on img set', function(img) {
	img.className = '';
	}, 'timeout');

	t('alt on img set', function(img) {
	img.alt = '';
	}, 'timeout');

	t('src on previous sibling source set', function(img) {
	img.previousSibling.setAttribute('src', '');
	}, 'timeout');

	t('class on previous sibling source set', function(img) {
	img.previousSibling.className = '';
	}, 'timeout');

	t('inserted/removed children of img', function(img) {
	img.appendChild(document.createElement('source'));
	setTimeout(this.step_func(function() {
	img.removeChild(img.firstChild);
	}), 0);
	}, 'timeout');

	t('picture is inserted; img has src', function(img) {
	img.parentNode.nextSibling.appendChild(img.parentNode);
	}, 'timeout');

	t('picture is inserted; img has srcset', function(img) {
	img.parentNode.nextSibling.appendChild(img.parentNode);
	}, 'timeout');

	t('picture is inserted; img has previous sibling source', function(img) {
	img.parentNode.nextSibling.appendChild(img.parentNode);
	}, 'timeout');

	t('picture is inserted; img has following sibling source', function(img) {
	img.parentNode.nextSibling.appendChild(img.parentNode);
	}, 'timeout');

	t('picture is removed; img has src', function(img) {
	img.parentNode.parentNode.removeChild(img.parentNode);
	}, 'timeout');

	t('picture is removed; img has srcset', function(img) {
	img.parentNode.parentNode.removeChild(img.parentNode);
	}, 'timeout');

	t('picture is removed; img has previous sibling source', function(img) {
	img.parentNode.parentNode.removeChild(img.parentNode);
	}, 'timeout');

	t('picture is removed; img has following sibling source', function(img) {
	img.parentNode.parentNode.removeChild(img.parentNode);
	}, 'timeout');

	t('parent is picture, following img inserted', function(img) {
	img.parentNode.appendChild(document.createElement('img'));
	}, 'timeout');

	t('parent is picture, following img removed', function(img) {
	img.parentNode.removeChild(img.nextSibling);
	}, 'timeout');

	t('parent is picture, following img has src set', function(img) {
	img.nextSibling.src = '';
	}, 'timeout');

	t('parent is picture, following img has srcset set', function(img) {
	img.nextSibling.srcset = '';
	}, 'timeout');

	t('parent is picture, following img has sizes set', function(img) {
	img.nextSibling.sizes = '';
	}, 'timeout');

	done();
	};
	</script>