| <!DOCTYPE html> |
| <title>Viewport units in @keyframes</title> |
| <link rel="help" href="https://drafts.csswg.org/css-values-4/#viewport-relative-lengths"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <style> |
| iframe { |
| width: 200px; |
| height: 100px; |
| } |
| </style> |
| |
| <iframe id=iframe></iframe> |
| |
| <script> |
| |
| const doc = iframe.contentDocument; |
| const win = iframe.contentWindow; |
| |
| function test_interpolated_value(from, to, expected) { |
| test((t) => { |
| t.add_cleanup(() => { doc.body.innerHTML = ''; }); |
| doc.body.innerHTML = ` |
| <style> |
| @keyframes anim { |
| from { height: ${from}; } |
| to { height: ${to}} |
| } |
| div { animation: anim linear 10s -5s paused; } |
| </style> |
| <div></div> |
| `; |
| let div = doc.querySelector('div'); |
| assert_equals(win.getComputedStyle(div).height, expected); |
| }, `Interpolation from ${from} to ${to} is ${expected} at 50%`); |
| } |
| |
| // Flush the iframe styles before starting tests to avoid the animation in the |
| // iframe starts before the iframe's document gets sized as expected. |
| iframe.getBoundingClientRect(); |
| |
| test_interpolated_value('0px', '100vw', '100px'); |
| test_interpolated_value('0px', '100vi', '100px'); |
| test_interpolated_value('0px', '100vmax', '100px'); |
| test_interpolated_value('0px', '100svw', '100px'); |
| test_interpolated_value('0px', '100svi', '100px'); |
| test_interpolated_value('0px', '100svmax', '100px'); |
| test_interpolated_value('0px', '100lvw', '100px'); |
| test_interpolated_value('0px', '100lvi', '100px'); |
| test_interpolated_value('0px', '100lvmax', '100px'); |
| test_interpolated_value('0px', '100dvw', '100px'); |
| test_interpolated_value('0px', '100dvi', '100px'); |
| test_interpolated_value('0px', '100dvmax', '100px'); |
| |
| test_interpolated_value('0px', '100vh', '50px'); |
| test_interpolated_value('0px', '100vb', '50px'); |
| test_interpolated_value('0px', '100vmin', '50px'); |
| test_interpolated_value('0px', '100svh', '50px'); |
| test_interpolated_value('0px', '100svb', '50px'); |
| test_interpolated_value('0px', '100svmin', '50px'); |
| test_interpolated_value('0px', '100lvh', '50px'); |
| test_interpolated_value('0px', '100lvb', '50px'); |
| test_interpolated_value('0px', '100lvmin', '50px'); |
| test_interpolated_value('0px', '100dvh', '50px'); |
| test_interpolated_value('0px', '100dvb', '50px'); |
| test_interpolated_value('0px', '100dvmin', '50px'); |
| |
| </script> |
