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

Unified 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: fix Created 4 years, 5 months ago

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« third_party/WebKit/LayoutTests/shadow-dom/link.html ('K') | « third_party/WebKit/LayoutTests/shadow-dom/link.html ('k') | third_party/WebKit/Source/core/css/resolver/StyleResolver.cpp » ('j') | third_party/WebKit/Source/core/dom/StyleSheetCandidate.cpp » ('J')
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Index: third_party/WebKit/LayoutTests/shadow-dom/link-title.html

diff --git a/third_party/WebKit/LayoutTests/shadow-dom/link-title.html b/third_party/WebKit/LayoutTests/shadow-dom/link-title.html

new file mode 100644

index 0000000000000000000000000000000000000000..8b36e31f6319d5db91780e4300d4eb4cf895282c

--- /dev/null

+++ b/third_party/WebKit/LayoutTests/shadow-dom/link-title.html

@@ -0,0 +1,37 @@

+<!DOCTYPE html>

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

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

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

+<body>

+ <div id="host">

+ <template mode-data="open">

+ <link rel="stylesheet" title="hello1" href="data:text/css,#shadowChild1 { color: green }">

+ <link rel="stylesheet" title="hello2" href="data:text/css,#shadowChild2 { color: green }">

+ <link rel="alternate stylesheet" title="world1" href="data:text/css,#shadowChild3 { color: green }">

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

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

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

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

+ </template>

+ </div>

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

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

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

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

+ <link rel="stylesheet" title="preferred2" href="data:text/css,#bodyChild2 { color: green }">

+</body>

+<script>

+function colorFor(elem) {

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

+test(() => {

+ 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.');

+ assert_equals(colorFor(bodyChild2), 'rgb(0, 0, 0)', 'A non-preferred stylesheet should not be used.');

+ assert_equals(colorFor(host.shadowRoot.querySelector('#shadowChild2')), 'rgb(0, 128, 0)', 'A title attribute should be ignored in a shadow tree.');

+ assert_equals(colorFor(host.shadowRoot.querySelector('#shadowChild2')), 'rgb(0, 128, 0)', 'A title attribute should be ignored in a shadow tree. Both hello1 and hello2 are enabled in a shadow tree.');

+ // Setting document.selectedStyleSheetSetName currently has no effect to activate alternate stylesheets. We can not test to select alternate stylesheet in a shadow tree.

+ assert_equals(colorFor(host.shadowRoot.querySelector('#shadowChild3')), 'rgb(0, 0, 0)', 'An alternate stylesheet should be disabled by default.');

+}, '<link rel="stylesheet"> should work in a connected shadow tree.');

+</script>