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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-contain/container-queries/backdrop-invalidation.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/css/css-contain/container-queries/backdrop-invalidation.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-contain/container-queries/backdrop-invalidation.html | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-contain/container-queries/backdrop-invalidation.html b/testing/web-platform/tests/css/css-contain/container-queries/backdrop-invalidation.html new file mode 100644 index 0000000000..6a59a2f894 --- /dev/null +++ b/testing/web-platform/tests/css/css-contain/container-queries/backdrop-invalidation.html @@ -0,0 +1,51 @@ +<!doctype html> +<title>Test that ::backdrop responds to container size changes</title> +<link rel="help" href="https://drafts.csswg.org/css-contain-3/#size-container"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="support/cq-testcommon.js"></script> +<style> + :root { + color: black; + } + + #container { + container-type: size; + width: 200px; + height: 40px; + } + + ::backdrop { + background-color: black; + } + + @container (min-width: 300px) { + ::backdrop { + background-color: green; + } + } +</style> +<main id=container> + <dialog>test</dialog> +</main> +<script> + setup(() => assert_implements_container_queries()); + + let dialog = document.querySelector('dialog'); + + test(function() { + try { + dialog.showModal(); + + assert_equals(getComputedStyle(dialog, '::backdrop').backgroundColor, 'rgb(0, 0, 0)'); + + container.style.width = '300px'; + assert_equals(getComputedStyle(dialog, '::backdrop').backgroundColor, 'rgb(0, 128, 0)'); + + container.style = ''; + assert_equals(getComputedStyle(dialog, '::backdrop').backgroundColor, 'rgb(0, 0, 0)'); + } finally { + dialog.close(); + } + }, 'Pseudo-element ::backdrop responds to container size changes'); +</script> |