|  | <!DOCTYPE html> | 
|  | <html> | 
|  | <head> | 
|  | <meta charset="utf-8"> | 
|  | <title>CSS Easing: parsing animation-timing-function with valid values</title> | 
|  | <link rel="help" href="https://drafts.csswg.org/css-easing/#timing-functions"> | 
|  | <meta name="assert" content="animation-timing-function supports the full grammar '<timing-function> #'."> | 
|  | <script src="/resources/testharness.js"></script> | 
|  | <script src="/resources/testharnessreport.js"></script> | 
|  | <script src="/css/support/parsing-testcommon.js"></script> | 
|  | </head> | 
|  | <body> | 
|  | <script> | 
|  | test_valid_value("animation-timing-function", "linear"); | 
|  |  | 
|  | test_valid_value("animation-timing-function", "ease"); | 
|  | test_valid_value("animation-timing-function", "ease-in"); | 
|  | test_valid_value("animation-timing-function", "ease-out"); | 
|  | test_valid_value("animation-timing-function", "ease-in-out"); | 
|  | test_valid_value("animation-timing-function", "cubic-bezier(0.1, 0.2, 0.8, 0.9)"); | 
|  | test_valid_value("animation-timing-function", "cubic-bezier(0, -2, 1, 3)"); | 
|  | test_valid_value("animation-timing-function", "cubic-bezier(0, 0.7, 1, 1.3)"); | 
|  | test_valid_value("animation-timing-function", "cubic-bezier(calc(-2), calc(0.7 / 2), calc(1.5), calc(0))", "cubic-bezier(calc(-2), calc(0.35), calc(1.5), calc(0))"); | 
|  | test_valid_value("animation-timing-function", "cubic-bezier(0, sibling-index(), 1, sign(2em - 20px))"); | 
|  |  | 
|  | test_valid_value("animation-timing-function", "steps(4, start)"); | 
|  | test_valid_value("animation-timing-function", "steps(2, end)", "steps(2)"); | 
|  | test_valid_value("animation-timing-function", "steps( 2, end )", "steps(2)"); | 
|  | test_valid_value("animation-timing-function", "steps(2, jump-start)"); | 
|  | test_valid_value("animation-timing-function", "steps(2, jump-end)", "steps(2)"); | 
|  | test_valid_value("animation-timing-function", "steps(2, jump-both)"); | 
|  | test_valid_value("animation-timing-function", "steps(2, jump-none)"); | 
|  | test_valid_value("animation-timing-function", "steps(calc(-10), start)"); | 
|  | test_valid_value("animation-timing-function", "steps(calc(5 / 2), start)", "steps(calc(2.5), start)"); | 
|  | test_valid_value("animation-timing-function", "steps(calc(1), jump-none)"); | 
|  |  | 
|  | test_valid_value("animation-timing-function", "linear, ease, linear"); | 
|  |  | 
|  | test_valid_value("animation-timing-function", "steps(calc(2 + sign(100em - 1px)))"); | 
|  | </script> | 
|  | </body> | 
|  | </html> |