| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| <style> |
| .box { |
| position: relative; |
| top: 0; |
| left: 0; |
| width: 100px; |
| height: 100px; |
| background-color: blue; |
| transform: translate(0, 0); |
| transition-delay: -1s; |
| transition-duration: 10s; |
| transition-property: transform; |
| transition-timing-function: linear; |
| } |
| </style> |
| </head> |
| <body> |
| <div id="box" class="box"></div> |
| <script> |
| 'use strict'; |
| test(() => { |
| box.offsetTop; // Force style recalc |
| |
| box.style.transform = 'translate(200px, 0)'; |
| assert_equals(getComputedStyle(box).transform, 'matrix(1, 0, 0, 1, 20, 0)'); |
| box.style.transform = 'translate(0, 200px)'; |
| assert_equals(getComputedStyle(box).transform, 'matrix(1, 0, 0, 1, 18, 20)'); |
| }, 'Interrupted transition should not jump back to pre-transition transform'); |
| </script> |
| </body> |
| </html> |
