| Index: third_party/WebKit/LayoutTests/fast/dom/shadow/v1-attachShadow-safelist.html
|
| diff --git a/third_party/WebKit/LayoutTests/fast/dom/shadow/v1-attachShadow-safelist.html b/third_party/WebKit/LayoutTests/fast/dom/shadow/v1-attachShadow-safelist.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..3aa6c3099c249873157ead19de7371544ff9c54a
|
| --- /dev/null
|
| +++ b/third_party/WebKit/LayoutTests/fast/dom/shadow/v1-attachShadow-safelist.html
|
| @@ -0,0 +1,44 @@
|
| +<!DOCTYPE html>
|
| +<script src='../../../resources/testharness.js'></script>
|
| +<script src='../../../resources/testharnessreport.js'></script>
|
| +<script>
|
| +'use strict';
|
| +
|
| +const safelist = ['custom-element',
|
| + 'article', 'aside', 'blockquote', 'body', 'div', 'footer',
|
| + 'h1', 'h2', 'h3', 'h4', 'h5', 'h6',
|
| + 'header', 'nav', 'p', 'section', 'span'];
|
| +
|
| +test(() => {
|
| + safelist.forEach((tag) => {
|
| + ['open', 'closed'].forEach((mode) => {
|
| + const sr = document.createElement(tag).attachShadow({mode: mode});
|
| + assert_true(sr instanceof ShadowRoot, "attachShadow is supported for " + tag);
|
| + });
|
| + });
|
| +}, 'attachShadow should not fail for an element in the safelist');
|
| +
|
| +test(() => {
|
| + // Retrieve possible tag names from window object's own property names
|
| + Object.getOwnPropertyNames(window).forEach((p) => {
|
| + const res = /^HTML(.*)Element$/.exec(p);
|
| + if (!res)
|
| + return;
|
| + const maybeTagName = res[1].toLowerCase();
|
| + if (safelist.includes(maybeTagName) || maybeTagName.indexOf('-') != -1)
|
| + return;
|
| + var element;
|
| + try {
|
| + element = document.createElement(maybeTagName);
|
| + } catch (e) {
|
| + // Okay to ignore when document.createElement fails
|
| + return;
|
| + }
|
| + ['open', 'closed'].forEach((mode) => {
|
| + assert_throws({name: 'NotSupportedError'}, () => {
|
| + element.attachShadow({mode: mode});
|
| + }), 'attachShadow should throw NotSupportdeError for ' + maybeTagName;
|
| + });
|
| + });
|
| +}, 'attachShadow should throw an exception for an element which is not in the safelist');
|
| +</script>
|
|
|
Chromium Code Reviews
Issue 1698183003:
Allow attachShadow only for elements in the safelist (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master