revert-val-008.html (1143B)
1 <!DOCTYPE html> 2 <title>CSS Cascade: 'revert' in final keyframe of web animation</title> 3 <link rel="help" href="https://drafts.csswg.org/css-cascade/#default"> 4 <link rel="help" href="https://crbug.com/1065387"> 5 <script src="/resources/testharness.js"></script> 6 <script src="/resources/testharnessreport.js"></script> 7 <h1 id=h1></h1> 8 <h1 id=ref></h1> 9 <script> 10 test(function() { 11 let expected_lower = parseInt(getComputedStyle(ref).marginTop); 12 let expected_upper = expected_lower * 2; 13 14 h1.animate([ 15 { marginTop: `${expected_lower * 4}px` }, 16 { marginTop: `${expected_lower * 3}px` }, 17 { marginTop: `${expected_lower * 2}px` }, 18 { marginTop: 'revert' }, 19 ], { 20 duration: 4000, 21 delay: -3500, 22 }).pause(); 23 24 let actual = parseInt(getComputedStyle(h1).marginTop); 25 26 // This test assumes that the UA style sheet sets a non-0px value on 27 // <h1> elements: 28 assert_not_equals(expected_lower, 0); 29 assert_not_equals(expected_upper, 0); 30 assert_between_exclusive(actual, expected_lower, expected_upper); 31 }, 'The revert keyword works in the final frame of a web animation'); 32 </script>