custom-elements/reactions/HTMLImageElement.html

<!DOCTYPE html>
<title>Custom Elements: CEReactions on HTMLImageElement interface</title>
<link rel="author" title="Intel" href="http://www.intel.com">
<meta name="assert" content="alt, src, srcset, sizes, crossOrigin, useMap,
  isMap, width, height, referrerPolicy, decoding of
  HTMLImageElement interface must have CEReactions">
<meta name="help" content="https://html.spec.whatwg.org/#the-img-element">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../resources/custom-elements-helpers.js"></script>
<script src="./resources/reactions.js"></script>

<map name="yellow"></map>
<map name="green"></map>
<a href="/" id="a">
</a>
<body>
<script>

function getParentElement() {
  return document.body;
}

function setAttributes(instance) {
  instance.setAttribute('src', '/images/green-1x1.png');
}

testReflectAttributeWithDependentAttributes(
  'alt', 'alt', 'image1',
  'image2', 'alt on HTMLImageElement', 'img',
  getParentElement, instance => setAttributes(instance), HTMLImageElement
);
testReflectAttributeWithParentNode(
  'src', 'src', '/images/green-1x1.png',
  '/images/green-2x2.png', 'src on HTMLImageElement', 'img',
  getParentElement, HTMLImageElement
);
testReflectAttributeWithDependentAttributes(
  'srcset', 'srcset', '/images/green.png',
  '/images/green-2x2.png', 'srcset on HTMLImageElement', 'img',
  getParentElement, instance => setAttributes(instance), HTMLImageElement
);
testReflectAttributeWithDependentAttributes(
  'sizes', 'sizes', '(max-width: 32px) 28px',
  '(max-width: 48px) 44px', 'sizes on HTMLImageElement', 'img',
  getParentElement, instance => {
    instance.setAttribute('src', '/images/green-1x1.png');
    instance.setAttribute('srcset', '/images/green-2x2.png 1x');
  }, HTMLImageElement
);
testReflectAttributeWithDependentAttributes(
  'crossOrigin', 'crossorigin', 'use-credentials',
  'anonymous', 'crossOrigin on HTMLImageElement', 'img',
  getParentElement, instance => setAttributes(instance), HTMLImageElement
);
testReflectAttributeWithDependentAttributes(
  'useMap', 'usemap', '#yellow',
  '#green', 'useMap on HTMLImageElement', 'img',
  getParentElement, instance => setAttributes(instance), HTMLImageElement
);
testReflectBooleanAttributeWithDependentAttributes(
  'isMap', 'ismap', 'isMap on HTMLImageElement',
  'img', () => { return document.getElementById('a') },
  instance => setAttributes(instance),
  HTMLImageElement
);
testReflectAttributeWithDependentAttributes(
  'width', 'width', '1',
  '2', 'width on HTMLImageElement', 'img',
  getParentElement, instance => setAttributes(instance), HTMLImageElement
);
testReflectAttributeWithDependentAttributes(
  'height', 'height', '1',
  '2', 'height on HTMLImageElement', 'img',
  getParentElement, instance => setAttributes(instance), HTMLImageElement
);
testReflectAttributeWithDependentAttributes(
  'referrerPolicy', 'referrerpolicy', 'same-origin',
  'origin', 'referrerPolicy on HTMLImageElement', 'img',
  getParentElement, instance => setAttributes(instance), HTMLImageElement
);
testReflectAttributeWithDependentAttributes(
  'decoding', 'decoding', 'async',
  'sync', 'decoding on HTMLImageElement', 'img',
  getParentElement, instance => setAttributes(instance), HTMLImageElement
);

</script>
</body>