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Diffstat (limited to 'testing/web-platform/tests/css/css-animations/dialog-animation.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-animations/dialog-animation.html | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-animations/dialog-animation.html b/testing/web-platform/tests/css/css-animations/dialog-animation.html new file mode 100644 index 0000000000..f6c8f6f0fa --- /dev/null +++ b/testing/web-platform/tests/css/css-animations/dialog-animation.html @@ -0,0 +1,44 @@ +<!doctype html> +<meta charset=utf-8> +<title>CSS Animations on a <dialog></title> +<link rel="help" href="https://drafts.csswg.org/css-animations-1/"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="support/testcommon.js"></script> +<style> + +dialog[open] { + animation: dialog-open-animation 1ms; +} + +@keyframes dialog-open-animation { + from { opacity: 0 } +} + +</style> +<div id="log"></div> +<script> + +"use strict"; + +promise_test(async t => { + const dialog = addElement(t, "dialog"); + + // Open the dialog a first time, this should trigger a CSS Animation. + dialog.open = true; + const animations = dialog.getAnimations(); + assert_equals(animations.length, 1, "As the <dialog> is shown intially an animation is started"); + + await animations[0].finished; + + await waitForNextFrame(); + + dialog.open = false; + assert_equals(dialog.getAnimations().length, 0, "As the <dialog> is closed the animation is removed"); + + await waitForNextFrame(); + + dialog.open = true; + assert_equals(dialog.getAnimations().length, 1, "As the <dialog> is shown again an animation is started again"); +}, "CSS Animations tied to <dialog open> are canceled and restarted as the dialog is hidden and shown"); +</script> |