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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
| commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
| tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /testing/web-platform/tests/css/css-transitions/transition-reparented.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/css/css-transitions/transition-reparented.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-transitions/transition-reparented.html | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-transitions/transition-reparented.html b/testing/web-platform/tests/css/css-transitions/transition-reparented.html new file mode 100644 index 0000000000..3dfd19425f --- /dev/null +++ b/testing/web-platform/tests/css/css-transitions/transition-reparented.html @@ -0,0 +1,39 @@ +<!DOCTYPE html> +<meta charset="utf-8"> +<title>CSS Transition should cancel when an element is reparented</title> +<link rel="help" href="https://www.w3.org/TR/css-transitions-1/#starting"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> + +<style> +.animated-div { + margin-left: 100px; + transition: margin-left 10s -5s linear; +} +</style> + +<div id="parent1"> + <div id="target" class='animated-div'></div> +</div> + +<div id="parent2"></div> + +<script> +'use strict'; + +test(t => { + assert_equals(getComputedStyle(target).marginLeft, '100px'); + target.style.marginLeft = '200px'; + + // Because the start delay is -50% of the transition duration, we should + // immediately be (approximately) at the halfway point. What we really care + // about checking is that the transition has started but has not ended. + assert_not_equals(getComputedStyle(target).marginLeft, '100px'); + assert_not_equals(getComputedStyle(target).marginLeft, '200px'); + + // Now change the target's parent. This should cancel the transition and + // skip straight to the end state. + parent2.appendChild(target); + assert_equals(getComputedStyle(target).marginLeft, '200px'); +}, 'When an element is reparented, any CSS Transition on it should be cancelled'); +</script> |