| <!DOCTYPE html> |
| <title>WebKit-prefixed pseudo-elements</title> |
| <link rel="author" title="Xidorn Quan" href="https://www.upsuper.org"> |
| <link rel="author" title="Mozilla" href="https://www.mozilla.org"> |
| <link rel="help" href="https://drafts.csswg.org/selectors-4/#compat"> |
| <meta name="assert" content="WebKit-prefixed pseudo-elements should always be valid"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <style id="style"> |
| #test { |
| color: rgb(255, 0, 0); |
| } |
| span::-webkit-something-invalid, #test, ::-WeBkIt-sOmEtHiNg-NoNeXiSt123, ::-webkit-\ escaped { |
| color: rgb(0, 255, 0); |
| } |
| ::-webkitfoo, #test { |
| color: rgb(255, 0, 0); |
| } |
| </style> |
| <body> |
| <div id="test"></div> |
| <script> |
| test(() => { |
| let elem = document.getElementById("test"); |
| assert_equals(getComputedStyle(elem).color, "rgb(0, 255, 0)"); |
| }, "rules include webkit-prefixed pseudo-element should be cascaded"); |
| |
| test(() => { |
| let sheet = document.getElementById("style").sheet; |
| assert_equals(sheet.cssRules[1].selectorText, |
| "span::-webkit-something-invalid, " + |
| "#test, ::-webkit-something-nonexist123, " + |
| "::-webkit-\\ escaped"); |
| }, "webkit-prefixed pseudo-element selectors should be accessible from CSSOM"); |
| |
| test(() => { |
| document.querySelector("span::-webkit-something-invalid"); |
| document.querySelectorAll("span::-webkit-something-invalid"); |
| }, "qS and qSA shouldn't throw exception"); |
| |
| test(() => { |
| let sheet = document.getElementById("style").sheet; |
| assert_equals(sheet.cssRules.length, 2); |
| assert_throws_dom("SyntaxError", () => document.querySelector("span::-webkitfoo")); |
| assert_throws_dom("SyntaxError", () => document.querySelectorAll("span::-webkitfoo")); |
| }, "webkit-prefix without dash is invalid"); |
| </script> |
| </body> |