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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
| commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
| tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/css/css-cascade/revert-val-009.html | |
| parent | Initial commit. (diff) | |
| download | firefox-upstream.tar.xz firefox-upstream.zip | |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/css/css-cascade/revert-val-009.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-cascade/revert-val-009.html | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-cascade/revert-val-009.html b/testing/web-platform/tests/css/css-cascade/revert-val-009.html new file mode 100644 index 0000000000..e9683e90f4 --- /dev/null +++ b/testing/web-platform/tests/css/css-cascade/revert-val-009.html @@ -0,0 +1,30 @@ +<!DOCTYPE html> +<title>CSS Cascade: 'revert' in implicit keyframes</title> +<link rel="help" href="https://drafts.csswg.org/css-cascade/#default"> +<link rel="help" href="https://crbug.com/1065387"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<h1 id=h1></h1> +<h1 id=ref></h1> +<script> + test(function() { + let expected_lower = parseInt(getComputedStyle(ref).marginTop); + let expected_upper = expected_lower * 2; + h1.style = `margin-top: ${expected_lower * 1000}px; margin-top: revert;`; + + h1.animate([ + { marginTop: `${expected_upper}px` }, + ], { + duration: 1000, + delay: -500, + }).pause(); + + let actual = parseInt(getComputedStyle(h1).marginTop); + + // This test assumes that the UA style sheet sets a non-0px value on + // <h1> elements: + assert_not_equals(expected_lower, 0); + assert_not_equals(expected_upper, 0); + assert_between_exclusive(actual, expected_lower, expected_upper); + }, 'The revert keyword works in implicit keyframes'); +</script> |