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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
| commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
| tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /dom/animation/test/mozilla/test_unstyled.html | |
| parent | Initial commit. (diff) | |
| download | thunderbird-upstream.tar.xz thunderbird-upstream.zip | |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/animation/test/mozilla/test_unstyled.html')
| -rw-r--r-- | dom/animation/test/mozilla/test_unstyled.html | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/dom/animation/test/mozilla/test_unstyled.html b/dom/animation/test/mozilla/test_unstyled.html new file mode 100644 index 0000000000..4724979c11 --- /dev/null +++ b/dom/animation/test/mozilla/test_unstyled.html @@ -0,0 +1,54 @@ +<!doctype html> +<meta charset=utf-8> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="../testcommon.js"></script> +<style> +div.pseudo::before { + animation: animation 1s; + content: 'content'; +} +@keyframes animation { + to { opacity: 0 } +} +</style> +<body> +<div id="log"></div> +<script> +'use strict'; + +// Tests for cases where we may not have style data for an element + +promise_test(async t => { + // Get a CSSPseudoElement + const div = addDiv(t, { class: 'pseudo' }); + const cssAnim = document.getAnimations()[0]; + const pseudoElem = cssAnim.effect.target; + + // Drop pseudo from styles and flush styles + div.classList.remove('pseudo'); + getComputedStyle(div, '::before').content; + + // Try animating the pseudo's content attribute + const contentAnim = pseudoElem.animate( + { content: ['none', '"content"'] }, + { duration: 100 * MS_PER_SEC, fill: 'both' } + ); + + // Check that the initial value is as expected + await contentAnim.ready; + assert_equals(getComputedStyle(div, '::before').content, 'none'); + + contentAnim.finish(); + + // Animating an obsolete pseudo element should NOT cause the pseudo element + // to be re-generated. That behavior might change in which case this test + // will need to be updated. The most important part of this test, however, + // is simply checking that nothing explodes if we try to animate such a + // pseudo element. + + assert_equals(getComputedStyle(div, '::before').content, 'none'); +}, 'Animation on an obsolete pseudo element produces expected results'); + +</script> +</body> |