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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-cascade/scope-deep.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-cascade/scope-deep.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-cascade/scope-deep.html | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-cascade/scope-deep.html b/testing/web-platform/tests/css/css-cascade/scope-deep.html new file mode 100644 index 0000000000..e7dd96c5ac --- /dev/null +++ b/testing/web-platform/tests/css/css-cascade/scope-deep.html @@ -0,0 +1,52 @@ +<!DOCTYPE html> +<title>@scope - deeply nested</title> +<link rel="help" href="https://drafts.csswg.org/css-cascade-6/#scope-atrule"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<style> + main * { background-color: black; } +</style> +<main id=main></main> +<script> + +// @scope (.s0) { @scope (.s1) { ... span {} ... } } +function createStyleSheet(length, i) { + if (length == 0) + return 'span { background-color: green; }'; + if (i === undefined) + i = 0; + return ` + @scope (.s${i}) { + ${createStyleSheet(length - 1, i + 1)} + } + `.trim(); +} + +// <div class=s0><div class=s1>...<span/>...</div></div> +function createElementChain(length, i) { + if (length < 1) + throw 'Invalid length'; + if (i === undefined) + i = 0; + let e = document.createElement('div'); + e.classList.add(`s${i}`); + if (length > 1) + e.append(createElementChain(length - 1, i + 1)); + else + e.append(document.createElement('span')); + return e; +} + +const COUNT = 90; + +let style_node = document.createElement('style'); +style_node.textContent = createStyleSheet(COUNT); +main.append(style_node); + +main.append(createElementChain(COUNT)); + +test(() => { + for (let span of main.querySelectorAll('span')) + assert_equals(getComputedStyle(span).backgroundColor, 'rgb(0, 128, 0)'); +}, 'Deep @scope nesting'); +</script> |