Index: third_party/WebKit/LayoutTests/shadow-dom/link.html |
diff --git a/third_party/WebKit/LayoutTests/shadow-dom/link.html b/third_party/WebKit/LayoutTests/shadow-dom/link.html |
new file mode 100644 |
index 0000000000000000000000000000000000000000..487b68ef6c1256ea4d16a5cbf091929d84aee66b |
--- /dev/null |
+++ b/third_party/WebKit/LayoutTests/shadow-dom/link.html |
@@ -0,0 +1,26 @@ |
+<!DOCTYPE html> |
+<script src="../resources/testharness.js"></script> |
+<script src="../resources/testharnessreport.js"></script> |
+<body> |
+ <div id="host"></div> |
+ <div id="bodyChild"></div> |
+</body> |
+<script> |
+function colorFor(elem) { |
+ return document.defaultView.getComputedStyle(elem, '').color; |
+} |
+ |
+async_test((test) => { |
+ let link = document.createElement('link'); |
+ link.setAttribute('rel', 'stylesheet'); |
+ link.setAttribute('href', 'data:text/css,div { color: green }'); |
+ link.addEventListener("load", test.step_func_done(() => { |
+ assert_equals(colorFor(bodyChild), 'rgb(0, 0, 0)', 'An element in a document tree should not be styled.'); |
+ assert_equals(colorFor(shadowChild), 'rgb(0, 128, 0)', 'An element in a shadow tree should be styled.'); |
+ })); |
+ let sr = host.attachShadow({ mode: 'open' }); |
+ let shadowChild = document.createElement('div'); |
+ sr.appendChild(shadowChild); |
+ sr.appendChild(link); |
+}, '<link rel=stylesheet> should load a stylesheet in a connected shadow tree.'); |
+</script> |