| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>CSS Shadow Parts - Serialization</title> |
| <link href="https://drafts.csswg.org/css-shadow-parts/" rel="help"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <style id="styleElement"> |
| ::part(\(foo) {} |
| ::part( bar\ ) {} |
| ::part( -foo bar ) {} |
| </style> |
| <script> |
| "use strict"; |
| const rules = styleElement.sheet.cssRules; |
| test(function() { |
| assert_equals(rules[0].selectorText, "::part(\\(foo)"); |
| }, "Escape start parenthesis in ::part name."); |
| test(function() { |
| assert_equals(rules[1].selectorText, "::part(bar\\ )"); |
| }, "Escape start space in ::part name."); |
| test(function() { |
| assert_equals(rules[2].selectorText, "::part(-foo bar)"); |
| }, "Collapse spaces in ::part names list."); |
| </script> |
| </body> |
| </html> |
