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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
| commit | 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch) | |
| tree | a31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /testing/web-platform/tests/css/css-animations/missing-values-first-keyframe.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip | |
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/css/css-animations/missing-values-first-keyframe.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-animations/missing-values-first-keyframe.html | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-animations/missing-values-first-keyframe.html b/testing/web-platform/tests/css/css-animations/missing-values-first-keyframe.html new file mode 100644 index 0000000000..311e26259c --- /dev/null +++ b/testing/web-platform/tests/css/css-animations/missing-values-first-keyframe.html @@ -0,0 +1,84 @@ +<!DOCTYPE html> +<html> +<title>Missing properties in first keyframe</title> +<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1"> +<link rel="help" href="https://www.w3.org/TR/web-animations-1/#the-effect-value-of-a-keyframe-animation-effect"> +<meta name="assert" + content="CSS animation correctly interpolates from neutral keyframe"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="/web-animations/testcommon.js"></script> +<style type="text/css" media="screen"> + body { + margin: 0; + } + + .box { + position: relative; + width: 100px; + height: 100px; + left: 0; + background-color: green; + } + + #box1 { + left: 200px; + animation: move-left 2s paused linear; + } + + #box2 { + transform: translateX(200px); + animation: move-transform 2s paused linear; + } + + @keyframes move-left { + 0% { + opacity: 1; + } + 25% { + opacity: 1; + } + 50% { + left: 0; + opacity: 1; + } + 100% { + left: 0; + opacity: 0; + } + } + + @keyframes move-transform { + 0% { + opacity: 1; + } + 25% { + opacity: 1; + } + 50% { + transform: translateX(0); + opacity: 1; + } + 100% { + transform: translateX(0); + opacity: 0; + } + } +</style> +<body> + <div class="box" id="box1"></div> + <div class="box" id="box2"></div> +</body> +<script> + promise_test(async t => { + document.getAnimations().forEach(anim => { + anim.currentTime = 500; + }); + assert_equals(getComputedStyle(box1).left, "100px"); + assert_matrix_equals( + getComputedStyle(box2).transform, + 'matrix(1, 0, 0, 1, 100, 0)'); + }, 'Missing property values in the first keyframe are correctly ' + + 'interpolated from a neutral keyframe value'); +</script> +</html> |