| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>CSS Multi-column Layout Test: column-gap test animation</title> |
| <link rel="author" title="Manuel Rego Casasnovas" href="mailto:rego@igalia.com"> |
| <link rel="help" href="https://www.w3.org/TR/css-multicol-1/#column-gap"> |
| <link rel="help" href="https://www.w3.org/TR/web-animations-1/#dom-animatable-animate"> |
| <meta name="assert" content="Test checks that column-gap is an animatable property, and that the computed values during the animation are the expected ones."> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <style> |
| #multicol { |
| column-gap: 0px; |
| } |
| </style> |
| <body> |
| <div id="multicol"></div> |
| <div id="log"></div> |
| |
| <script> |
| test( |
| function(){ |
| var multicol = document.getElementById("multicol"); |
| assert_equals(getComputedStyle(multicol).columnGap, "0px"); |
| |
| var keyframes = [ |
| { columnGap: "100px" }, |
| { columnGap: "200px" } |
| ]; |
| var options = { |
| duration: 10, |
| fill: "forwards", |
| easing: "linear" |
| }; |
| |
| var player = multicol.animate(keyframes, options); |
| player.pause(); |
| player.currentTime = 0; |
| assert_equals(getComputedStyle(multicol).columnGap, "100px"); |
| player.currentTime = 5; |
| assert_equals(getComputedStyle(multicol).columnGap, "150px"); |
| player.currentTime = 10; |
| assert_equals(getComputedStyle(multicol).columnGap, "200px"); |
| }, "column-gap property is animatable"); |
| </script> |
| </body> |