| <!DOCTYPE html> |
| <title>CSS Transitions Test: Name defining @-rules in @starting-style</title> |
| <link rel="help" href="https://drafts.csswg.org/css-transitions-2/#defining-before-change-style-the-starting-style-rule"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <style> |
| @starting-style { |
| @keyframes anim { |
| from { color: green; } |
| to { color: red; } |
| } |
| @font-face { |
| font-family: web-font; |
| src: url('/fonts/Ahem.ttf'); |
| } |
| @layer first; |
| } |
| |
| @layer second { |
| #target.not_start { |
| background-color: green; |
| } |
| } |
| @layer first { |
| #target.not_start { |
| background-color: red; |
| } |
| } |
| |
| #target.not_start { |
| animation-name: anim; |
| animation-duration: 60s; |
| animation-timing-function: step-end; |
| font-family: web-font; |
| font-size: 20px; |
| } |
| |
| #target { |
| /* For measuring text width */ |
| display: inline-block; |
| } |
| </style> |
| <span id="target">XXXX</span> |
| <script> |
| test(() => { |
| // Force style update to ensure before-change style is defined. |
| target.offsetTop; |
| target.className = "not_start"; |
| let target_style = getComputedStyle(target); |
| assert_equals(target_style.color, "rgb(0, 128, 0)", "@keyframes applied"); |
| assert_equals(target_style.backgroundColor, "rgb(0, 128, 0)", "@layer applied"); |
| }, "@keyframes and @layer in @starting-style apply"); |
| |
| promise_test(async () => { |
| await document.fonts.load("20px/1 web-font"); |
| assert_equals(getComputedStyle(target).width, "80px"); |
| }, "Load @font-face from @starting-style rule"); |
| </script> |
