| <!doctype html> |
| <title>CSS Anchor Positioning IDL tests</title> |
| <link rel="help" href="https://drafts.csswg.org/css-anchor-position-1/#interfaces"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/resources/WebIDLParser.js"></script> |
| <script src="/resources/idlharness.js"></script> |
| |
| <style> |
| @position-fallback --fallback { |
| @try {} |
| @try {} |
| } |
| </style> |
| |
| <script> |
| 'use strict'; |
| idl_test( |
| ['css-anchor-position'], |
| ['cssom'], |
| idl_array => { |
| try { |
| self.positionFallback = document.styleSheets[0].cssRules.item(0); |
| self.try1 = self.positionFallback.cssRules.item(0); |
| self.try2 = self.positionFallback.cssRules.item(1); |
| } catch (e) { |
| // Will be surfaced when any rule is undefined below. |
| } |
| |
| idl_array.add_objects({ |
| CSSPositionFallbackRule: ['positionFallback'], |
| CSSTryRule: ['try1', 'try2'], |
| CSSStyleDeclaration: ['try1.style', 'try2.style'], |
| }); |
| } |
| ); |
| </script> |
