| <!DOCTYPE html> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| <script> |
| 'use strict'; |
| // From UseCounter.h |
| var WebAnimationsEasingAsFunctionLinear = 1295; |
| var WebAnimationsEasingAsFunctionOther = 1296; |
| |
| test(() => { |
| document.documentElement.animate([], { }); |
| document.documentElement.animate([], { easing: 'linear' }); |
| document.documentElement.animate([], { easing: 'step-start' }); |
| assert_false(internals.isUseCounted(document, WebAnimationsEasingAsFunctionLinear)); |
| assert_false(internals.isUseCounted(document, WebAnimationsEasingAsFunctionOther)); |
| }, 'Non-function values for easing are not use-counted.'); |
| |
| test(() => { |
| assert_throws( |
| {name: 'TypeError'}, |
| function() { document.documentElement.animate([], { easing: 'invalid' }) }); |
| assert_false(internals.isUseCounted(document, WebAnimationsEasingAsFunctionLinear)); |
| assert_false(internals.isUseCounted(document, WebAnimationsEasingAsFunctionOther)); |
| }, 'Invalid non-function values for easing are not use-counted.'); |
| |
| test(() => { |
| // This linear function value is the one expected from uses of the unpatched |
| // Web Animations polyfill (i.e. old versions lacking |
| // https://github.com/web-animations/web-animations-next/pull/423). |
| assert_throws( |
| {name: 'TypeError'}, |
| function() { document.documentElement.animate([], { easing: 'function (a){return a}' }) }); |
| assert_true(internals.isUseCounted(document, WebAnimationsEasingAsFunctionLinear)); |
| assert_false(internals.isUseCounted(document, WebAnimationsEasingAsFunctionOther)); |
| }, 'A specific linear function for easing is counted in WebAnimationsEasingAsFunctionLinear.'); |
| </script> |
