third_party/WebKit/LayoutTests/shadow-dom/link-title.html - Issue 2177163002: Allow <link rel=stylesheet> in a connected shadow tree

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Side by Side Diff: third_party/WebKit/LayoutTests/shadow-dom/link-title.html

Issue 2177163002: Allow <link rel=stylesheet> in a connected shadow tree (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: split tests Created 4 years, 4 months ago

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	1 <!DOCTYPE html>

	2 <script src="../resources/testharness.js"></script>

	3 <script src="../resources/testharnessreport.js"></script>

	4 <script src="resources/shadow-dom.js"></script>

	5 <body>

	6 <div id="host">

	7 <template mode-data="open">

	8 <link rel="stylesheet" title="preferred1" href="data:text/css,#shadowChild 1 { color: green }">

	9 <link rel="stylesheet" title="title1" href="data:text/css,#shadowChild2 { color: green }">

	10 <link rel="alternate stylesheet" title="prefered1" href="data:text/css,#sh adowChild3 { color: green }">

	11 <link rel="alternate stylesheet" title="title1" href="data:text/css,#shado wChild4 { color: green }">

	12 <div id="shadowChild1"></div>

	13 <div id="shadowChild2"></div>

	14 <div id="shadowChild3"></div>

	15 <div id="shadowChild4"></div>

	16 </template>

	17 </div>

	18 <div id="bodyChild1"></div>

	19 <div id="bodyChild2"></div>

	20 <script>convertTemplatesToShadowRootsWithin(host);</script>

	21 <link rel="stylesheet" title="preferred1" href="data:text/css,#bodyChild1 { co lor: green }">

	22 <link rel="stylesheet" title="non-preferred" href="data:text/css,#bodyChild2 { color: green }">

	23 </body>

	24 <script>

	25 function colorFor(elem) {

	26 return document.defaultView.getComputedStyle(elem, '').color;

	27 }

	28

	29 test(() => {

	30 assert_equals(colorFor(bodyChild1), 'rgb(0, 128, 0)', 'A link in a shadow tree does not have any effect on the preferred stylesheet on a document tree.');

	31 assert_equals(colorFor(bodyChild2), 'rgb(0, 0, 0)', 'A non-preferred styleshee t should not be used.');

	32 }, '<link rel="stylesheet" title="xxx"> in a document tree should work without i nterference from a shadow tree.');

	33

	34 test(() => {

	35 assert_equals(colorFor(host.shadowRoot.querySelector('#shadowChild1')), 'rgb(0 , 128, 0)');

	36 assert_equals(colorFor(host.shadowRoot.querySelector('#shadowChild2')), 'rgb(0 , 128, 0)');

	37 }, '<link rel="stylesheet" title="xxx"> shoule behave as <link rel="stylesheet"> (always enabled because title is ignored) in a connected shadow tree.');

	38

	39 test(() => {

	40 assert_equals(colorFor(host.shadowRoot.querySelector('#shadowChild3')), 'rgb(0 , 0, 0)');

	41 assert_equals(colorFor(host.shadowRoot.querySelector('#shadowChild4')), 'rgb(0 , 0, 0)');

	42 }, '<link rel="alternate stylesheet" title="xxx"> shoule behave as <link rel="al ternate stylesheet"> (never enabled because title is ignored) in a connected sha dow tree.');

	43

	44 </script>

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