| <!DOCTYPE html> |
| <meta charset=utf-8> |
| <title>Tests for effect clipping via negative end delay</title> |
| <link rel="help" href="http://w3c.github.io/web-animations/#calculating-the-active-time"> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| <script src="../imported/wpt/web-animations/testcommon.js"></script> |
| <body> |
| <script> |
| 'use strict'; |
| |
| test(function(t) { |
| var animation = createDiv(t).animate(null, { |
| fill: 'forwards', |
| duration: 1, |
| endDelay: -1, |
| }); |
| animation.currentTime = 10; |
| assert_equals(animation.effect.getComputedTiming().progress, 0, |
| 'Progress should be zero since we clip to the start of the animation'); |
| }, 'Negative end delay clipping into the start of the animation'); |
| |
| test(function(t) { |
| var animation = createDiv(t).animate(null, { |
| fill: 'forwards', |
| duration: 1, |
| iterations: 2, |
| endDelay: -1, |
| }); |
| animation.currentTime = 10; |
| assert_equals(animation.effect.getComputedTiming().progress, 1, |
| 'Progress should be 1 since we clip to the end of the first iteration ' + |
| 'and the second iteration does not have a chance to start'); |
| }, 'Negative end delay clipping to the end of the the first iteration'); |
| |
| test(function(t) { |
| var animation = createDiv(t).animate(null, { |
| fill: 'forwards', |
| duration: 1, |
| iterations: 2, |
| endDelay: -0.75, |
| }); |
| animation.currentTime = 10; |
| assert_equals(animation.effect.getComputedTiming().progress, 0.25, |
| 'Progress should be 0.25 since we clip part way through the second iteration'); |
| }, 'Negative end delay clipping part way into the second iteration'); |
| |
| test(function(t) { |
| var animation = createDiv(t).animate(null, { |
| fill: 'forwards', |
| duration: 1, |
| iterations: 0, |
| endDelay: -1, |
| }); |
| animation.currentTime = 10; |
| assert_equals(animation.effect.getComputedTiming().progress, 0, |
| 'Progress should be 0 since there are no iterations to make progress in'); |
| }, 'Negative end delay clipping into zero iterations'); |
| |
| </script> |
| </body> |
