chromium/src/third_party/blink/web_tests/external/wpt/shadow-dom/declarative/declarative-shadow-dom-basic.tentative.html - manifest_repos/chromium_src - Git at Google

 <!DOCTYPE html>
 <meta charset="utf-8">
 <title>Declarative Shadow DOM</title>
 <link rel="author" title="Mason Freed" href="mailto:masonfreed@chromium.org">
 <link rel="help" href="https://github.com/whatwg/dom/issues/831">
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
 <script src="support/helpers.js"></script>

 <div id="host" style="display:none">
   <template shadowroot="open">
     <slot id="s1" name="slot1"></slot>
   </template>
   <div id="c1" slot="slot1"></div>
 </div>

 <script>
 test(() => {
   const host = document.querySelector('#host');
   const c1 = host.querySelector('#c1');
   assert_true(!!c1);
   assert_equals(host.querySelector('#s1'), null, "Should be inside shadow root");
   assert_equals(host.querySelector('template'), null, "No leftover template node");
   assert_true(!!host.shadowRoot,"No shadow root found");
   const s1 = host.shadowRoot.querySelector('#s1');
   assert_equals(c1.assignedSlot, s1);
   assert_array_equals(s1.assignedNodes(), [c1]);
 }, 'Declarative Shadow DOM: Basic test');

 test(() => {
   assert_true(HTMLTemplateElement.prototype.hasOwnProperty("shadowRoot"),'Unable to feature detect');
 }, 'Declarative Shadow DOM: Feature detection');

 test(() => {
   const div = document.createElement('div');
   setInnerHTML(div,`
     <div id="host">
       <template shadowroot="open">
         <slot id="s1" name="slot1"></slot>
       </template>
       <div id="c1" slot="slot1"></div>
     </div>
     `);
   const host = div.querySelector('#host');
   const c1 = host.querySelector('#c1');
   assert_true(!!c1);
   assert_equals(host.querySelector('#s1'), null, "Should be inside shadow root");
   assert_equals(host.querySelector('template'), null, "No leftover template node");
   assert_true(!!host.shadowRoot,"No shadow root found");
   const s1 = host.shadowRoot.querySelector('#s1');
   assert_equals(c1.assignedSlot, s1);
   assert_array_equals(s1.assignedNodes(), [c1]);
 }, 'Declarative Shadow DOM: Fragment parser basic test');

 test(() => {
   const div = document.createElement('div');
   setInnerHTML(div,`
     <div id="host">
       <template shadowroot="invalid">
       </template>
     </div>
     `);
   const host = div.querySelector('#host');
   assert_equals(host.shadowRoot, null, "Shadow root was found");
   const tmpl = host.querySelector('template');
   assert_true(!!tmpl,"Template should still be present");
   const shadowrootAttr = tmpl.getAttribute('shadowroot');
   assert_equals(shadowrootAttr,"invalid","'shadowroot' attribute should still be present");
 }, 'Declarative Shadow DOM: Invalid shadow root attribute');

 test(() => {
   const div = document.createElement('div');
   setInnerHTML(div,`
     <div id="host">
       <template shadowroot="closed">
       </template>
     </div>
     `);
   const host = div.querySelector('#host');
   assert_equals(host.shadowRoot, null, "Closed shadow root");
   assert_equals(host.querySelector('template'), null, "No template - converted to shadow root");
 }, 'Declarative Shadow DOM: Closed shadow root attribute');

 test(() => {
   const div = document.createElement('div');
   setInnerHTML(div,`
     <div id="host">
       <template shadowroot="open">
         <slot id="s1" name="slot1"></slot>
     </div>
     `);
   const host = div.querySelector('#host');
   assert_equals(host.querySelector('#s1'), null, "Should be inside shadow root");
   assert_equals(host.querySelector('template'), null, "No leftover template node");
   assert_true(!!host.shadowRoot,"No shadow root found");
   const s1 = host.shadowRoot.querySelector('#s1');
   assert_true(!!s1,"Slot should be inside the shadow root");
 }, 'Declarative Shadow DOM: Missing closing tag');

 test(() => {
   const div = document.createElement('div');
   setInnerHTML(div,`
     <div id="host">
       <template shadowroot="open" shadowrootdelegatesfocus>
       </template>
     </div>
     `);
   var host = div.querySelector('#host');
   assert_true(!!host.shadowRoot,"No shadow root found");
   assert_true(host.shadowRoot.delegatesFocus,"delegatesFocus should be true");
   setInnerHTML(div,`
     <div id="host">
       <template shadowroot="open">
       </template>
     </div>
     `);
   host = div.querySelector('#host');
   assert_true(!!host.shadowRoot,"No shadow root found");
   assert_false(host.shadowRoot.delegatesFocus,"delegatesFocus should be false without the shadowrootdelegatesfocus attribute");
 }, 'Declarative Shadow DOM: delegates focus attribute');
 </script>

 <div id="multi-host" style="display:none">
   <template shadowroot="open">
     <span>root 1</span>
   </template>
   <template shadowroot="closed">
     <span>root 2</span>
   </template>
 </div>
 <script>
 test(() => {
   const host = document.querySelector('#multi-host');
   assert_equals(host.querySelector('template'), null, "No leftover template nodes from either root");
   assert_true(!!host.shadowRoot,"No open shadow root found - first root should remain");
   const innerSpan = host.shadowRoot.querySelector('span');
   assert_equals(innerSpan.textContent, 'root 2', "Content should come from last declarative shadow root");
 }, 'Declarative Shadow DOM: Multiple roots');

 </script>

 <template id="template-containing-shadow">
   <div class="innerdiv">
     <template shadowroot=open>Content</template>
   </div>
 </template>
 <script>
 test(() => {
   const template = document.querySelector('#template-containing-shadow');
   const host1 = document.createElement('div');
   host1.style.display = 'none';
   document.body.appendChild(host1);
   host1.appendChild(template.content.cloneNode(true));
   let innerDiv = host1.querySelector('div.innerdiv');
   const shadowRoot1 = innerDiv.shadowRoot;
   assert_true(!!shadowRoot1,"Inner div should have a shadow root");
   assert_equals(innerDiv.querySelector('template'), null, "No leftover template node");

   const host2 = document.createElement('div');
   host2.style.display = 'none';
   document.body.appendChild(host2);
   host2.appendChild(template.content.cloneNode(true));
   innerDiv = host2.querySelector('div.innerdiv');
   const shadowRoot2 = innerDiv.shadowRoot;
   assert_true(!!shadowRoot2,"Inner div should have a shadow root");
   assert_equals(innerDiv.querySelector('template'), null, "No leftover template node");

   assert_not_equals(shadowRoot1,shadowRoot2,'Should not get back the same shadow root');
 }, 'Declarative Shadow DOM: template containing declarative shadow root');
 </script>

 <template id="template-containing-ua-shadow">
   <div class="innerdiv">
     <template shadowroot=open>
       <video></video> <!--Assumed to have UA shadow root-->
     </template>
   </div>
 </template>
 <script>
 test(() => {
   const template = document.querySelector('#template-containing-ua-shadow');
   const host = document.createElement('div');
   host.style.display = 'none';
   document.body.appendChild(host);
   // Mostly make sure clone of template *does* clone the
   // shadow root, and doesn't crash on cloning the <video>.
   host.appendChild(template.content.cloneNode(true));
   let innerDiv = host.querySelector('div.innerdiv');
   const shadowRoot = innerDiv.shadowRoot;
   assert_true(!!shadowRoot,"Inner div should have a shadow root");
   assert_equals(innerDiv.querySelector('template'), null, "No leftover template node");
   assert_true(!!innerDiv.shadowRoot.querySelector('video'),'Video element should be present');
 }, 'Declarative Shadow DOM: template containing declarative shadow root and UA shadow root');
 </script>

 <template id="template-containing-ua-shadow-closed">
   <div class="innerdiv">
     <template shadowroot=closed>
       <video></video> <!--Assumed to have UA shadow root-->
     </template>
   </div>
 </template>
 <script>
 test(() => {
   const template = document.querySelector('#template-containing-ua-shadow-closed');
   const host = document.createElement('div');
   host.style.display = 'none';
   document.body.appendChild(host);
   host.appendChild(template.content.cloneNode(true));
   let innerDiv = host.querySelector('div.innerdiv');
   assert_true(!innerDiv.shadowRoot,"Inner div should have a closed shadow root");
 }, 'Declarative Shadow DOM: template containing closed declarative shadow root and UA shadow root');
 </script>

 <template id="root-element-shadow">
     <template shadowroot=open>Content</template>
 </template>
 <script>
 test(() => {
   // Root element of this template is a <template shadowroot>:
   const template = document.querySelector('#root-element-shadow');
   const host = document.createElement('div');
   host.appendChild(template.content.cloneNode(true));
   assert_equals(host.shadowRoot, null, "Shadow root should not be present");
   const tmpl = host.querySelector('template');
   assert_true(!!tmpl,"Template should still be present");
   assert_equals(tmpl.getAttribute('shadowroot'),"open","'shadowroot' attribute should still be present");
 }, 'Declarative Shadow DOM: template root element');
 </script>
	<!DOCTYPE html>
	<meta charset="utf-8">
	<title>Declarative Shadow DOM</title>
	<link rel="author" title="Mason Freed" href="mailto:masonfreed@chromium.org">
	<link rel="help" href="https://github.com/whatwg/dom/issues/831">
	<script src="/resources/testharness.js"></script>
	<script src="/resources/testharnessreport.js"></script>
	<script src="support/helpers.js"></script>

	<div id="host" style="display:none">
	<template shadowroot="open">
	<slot id="s1" name="slot1"></slot>
	</template>
	<div id="c1" slot="slot1"></div>
	</div>

	<script>
	test(() => {
	const host = document.querySelector('#host');
	const c1 = host.querySelector('#c1');
	assert_true(!!c1);
	assert_equals(host.querySelector('#s1'), null, "Should be inside shadow root");
	assert_equals(host.querySelector('template'), null, "No leftover template node");
	assert_true(!!host.shadowRoot,"No shadow root found");
	const s1 = host.shadowRoot.querySelector('#s1');
	assert_equals(c1.assignedSlot, s1);
	assert_array_equals(s1.assignedNodes(), [c1]);
	}, 'Declarative Shadow DOM: Basic test');

	test(() => {
	assert_true(HTMLTemplateElement.prototype.hasOwnProperty("shadowRoot"),'Unable to feature detect');
	}, 'Declarative Shadow DOM: Feature detection');

	test(() => {
	const div = document.createElement('div');
	setInnerHTML(div,`
	<div id="host">
	<template shadowroot="open">
	<slot id="s1" name="slot1"></slot>
	</template>
	<div id="c1" slot="slot1"></div>
	</div>
	`);
	const host = div.querySelector('#host');
	const c1 = host.querySelector('#c1');
	assert_true(!!c1);
	assert_equals(host.querySelector('#s1'), null, "Should be inside shadow root");
	assert_equals(host.querySelector('template'), null, "No leftover template node");
	assert_true(!!host.shadowRoot,"No shadow root found");
	const s1 = host.shadowRoot.querySelector('#s1');
	assert_equals(c1.assignedSlot, s1);
	assert_array_equals(s1.assignedNodes(), [c1]);
	}, 'Declarative Shadow DOM: Fragment parser basic test');

	test(() => {
	const div = document.createElement('div');
	setInnerHTML(div,`
	<div id="host">
	<template shadowroot="invalid">
	</template>
	</div>
	`);
	const host = div.querySelector('#host');
	assert_equals(host.shadowRoot, null, "Shadow root was found");
	const tmpl = host.querySelector('template');
	assert_true(!!tmpl,"Template should still be present");
	const shadowrootAttr = tmpl.getAttribute('shadowroot');
	assert_equals(shadowrootAttr,"invalid","'shadowroot' attribute should still be present");
	}, 'Declarative Shadow DOM: Invalid shadow root attribute');

	test(() => {
	const div = document.createElement('div');
	setInnerHTML(div,`
	<div id="host">
	<template shadowroot="closed">
	</template>
	</div>
	`);
	const host = div.querySelector('#host');
	assert_equals(host.shadowRoot, null, "Closed shadow root");
	assert_equals(host.querySelector('template'), null, "No template - converted to shadow root");
	}, 'Declarative Shadow DOM: Closed shadow root attribute');

	test(() => {
	const div = document.createElement('div');
	setInnerHTML(div,`
	<div id="host">
	<template shadowroot="open">
	<slot id="s1" name="slot1"></slot>
	</div>
	`);
	const host = div.querySelector('#host');
	assert_equals(host.querySelector('#s1'), null, "Should be inside shadow root");
	assert_equals(host.querySelector('template'), null, "No leftover template node");
	assert_true(!!host.shadowRoot,"No shadow root found");
	const s1 = host.shadowRoot.querySelector('#s1');
	assert_true(!!s1,"Slot should be inside the shadow root");
	}, 'Declarative Shadow DOM: Missing closing tag');

	test(() => {
	const div = document.createElement('div');
	setInnerHTML(div,`
	<div id="host">
	<template shadowroot="open" shadowrootdelegatesfocus>
	</template>
	</div>
	`);
	var host = div.querySelector('#host');
	assert_true(!!host.shadowRoot,"No shadow root found");
	assert_true(host.shadowRoot.delegatesFocus,"delegatesFocus should be true");
	setInnerHTML(div,`
	<div id="host">
	<template shadowroot="open">
	</template>
	</div>
	`);
	host = div.querySelector('#host');
	assert_true(!!host.shadowRoot,"No shadow root found");
	assert_false(host.shadowRoot.delegatesFocus,"delegatesFocus should be false without the shadowrootdelegatesfocus attribute");
	}, 'Declarative Shadow DOM: delegates focus attribute');
	</script>

	<div id="multi-host" style="display:none">
	<template shadowroot="open">
	<span>root 1</span>
	</template>
	<template shadowroot="closed">
	<span>root 2</span>
	</template>
	</div>
	<script>
	test(() => {
	const host = document.querySelector('#multi-host');
	assert_equals(host.querySelector('template'), null, "No leftover template nodes from either root");
	assert_true(!!host.shadowRoot,"No open shadow root found - first root should remain");
	const innerSpan = host.shadowRoot.querySelector('span');
	assert_equals(innerSpan.textContent, 'root 2', "Content should come from last declarative shadow root");
	}, 'Declarative Shadow DOM: Multiple roots');

	</script>

	<template id="template-containing-shadow">
	<div class="innerdiv">
	<template shadowroot=open>Content</template>
	</div>
	</template>
	<script>
	test(() => {
	const template = document.querySelector('#template-containing-shadow');
	const host1 = document.createElement('div');
	host1.style.display = 'none';
	document.body.appendChild(host1);
	host1.appendChild(template.content.cloneNode(true));
	let innerDiv = host1.querySelector('div.innerdiv');
	const shadowRoot1 = innerDiv.shadowRoot;
	assert_true(!!shadowRoot1,"Inner div should have a shadow root");
	assert_equals(innerDiv.querySelector('template'), null, "No leftover template node");

	const host2 = document.createElement('div');
	host2.style.display = 'none';
	document.body.appendChild(host2);
	host2.appendChild(template.content.cloneNode(true));
	innerDiv = host2.querySelector('div.innerdiv');
	const shadowRoot2 = innerDiv.shadowRoot;
	assert_true(!!shadowRoot2,"Inner div should have a shadow root");
	assert_equals(innerDiv.querySelector('template'), null, "No leftover template node");

	assert_not_equals(shadowRoot1,shadowRoot2,'Should not get back the same shadow root');
	}, 'Declarative Shadow DOM: template containing declarative shadow root');
	</script>

	<template id="template-containing-ua-shadow">
	<div class="innerdiv">
	<template shadowroot=open>
	<video></video> <!--Assumed to have UA shadow root-->
	</template>
	</div>
	</template>
	<script>
	test(() => {
	const template = document.querySelector('#template-containing-ua-shadow');
	const host = document.createElement('div');
	host.style.display = 'none';
	document.body.appendChild(host);
	// Mostly make sure clone of template does clone the
	// shadow root, and doesn't crash on cloning the <video>.
	host.appendChild(template.content.cloneNode(true));
	let innerDiv = host.querySelector('div.innerdiv');
	const shadowRoot = innerDiv.shadowRoot;
	assert_true(!!shadowRoot,"Inner div should have a shadow root");
	assert_equals(innerDiv.querySelector('template'), null, "No leftover template node");
	assert_true(!!innerDiv.shadowRoot.querySelector('video'),'Video element should be present');
	}, 'Declarative Shadow DOM: template containing declarative shadow root and UA shadow root');
	</script>

	<template id="template-containing-ua-shadow-closed">
	<div class="innerdiv">
	<template shadowroot=closed>
	<video></video> <!--Assumed to have UA shadow root-->
	</template>
	</div>
	</template>
	<script>
	test(() => {
	const template = document.querySelector('#template-containing-ua-shadow-closed');
	const host = document.createElement('div');
	host.style.display = 'none';
	document.body.appendChild(host);
	host.appendChild(template.content.cloneNode(true));
	let innerDiv = host.querySelector('div.innerdiv');
	assert_true(!innerDiv.shadowRoot,"Inner div should have a closed shadow root");
	}, 'Declarative Shadow DOM: template containing closed declarative shadow root and UA shadow root');
	</script>

	<template id="root-element-shadow">
	<template shadowroot=open>Content</template>
	</template>
	<script>
	test(() => {
	// Root element of this template is a <template shadowroot>:
	const template = document.querySelector('#root-element-shadow');
	const host = document.createElement('div');
	host.appendChild(template.content.cloneNode(true));
	assert_equals(host.shadowRoot, null, "Shadow root should not be present");
	const tmpl = host.querySelector('template');
	assert_true(!!tmpl,"Template should still be present");
	assert_equals(tmpl.getAttribute('shadowroot'),"open","'shadowroot' attribute should still be present");
	}, 'Declarative Shadow DOM: template root element');
	</script>