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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
| commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
| tree | f435a8308119effd964b339f76abb83a57c29483 /testing/web-platform/tests/css/css-nesting/nesting-layer.html | |
| parent | Initial commit. (diff) | |
| download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip | |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/css/css-nesting/nesting-layer.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-nesting/nesting-layer.html | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-nesting/nesting-layer.html b/testing/web-platform/tests/css/css-nesting/nesting-layer.html new file mode 100644 index 0000000000..91db883059 --- /dev/null +++ b/testing/web-platform/tests/css/css-nesting/nesting-layer.html @@ -0,0 +1,52 @@ +<!DOCTYPE html> +<title>Nested @layers</title> +<link rel="help" href="https://drafts.csswg.org/css-nesting/#nested-group-rules"> +<link rel="help" href="https://drafts.csswg.org/css-cascade-5/#layering"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<style> + + .a { + /* This should have no effect. Only at-rules containing style rules + are vaild when nested. */ + @layer theme, base; + } + + /* The theme layer wins over the base layer. */ + @layer base, theme; + + .a { + @layer theme { + & { + z-index: 1; + } + + .b { + background-color: green; + } + } + } + + @layer base { + .a { + z-index: 0; + } + .a .b { + background-color: red; + } + } +</style> +<main> + <div class="a"> + <div class="b"> + </div> + </div> +</main> +<script> + test(() => { + let a = document.querySelector("main > .a"); + let b = document.querySelector("main > .a > .b"); + assert_equals(getComputedStyle(a).zIndex, "1"); + assert_equals(getComputedStyle(b).backgroundColor, "rgb(0, 128, 0)"); + }, '@layer can be nested'); +</script> |