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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 /testing/web-platform/tests/forced-colors-mode/forced-colors-mode-21.html | |
| parent | Initial commit. (diff) | |
| download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.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 'testing/web-platform/tests/forced-colors-mode/forced-colors-mode-21.html')
| -rw-r--r-- | testing/web-platform/tests/forced-colors-mode/forced-colors-mode-21.html | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/testing/web-platform/tests/forced-colors-mode/forced-colors-mode-21.html b/testing/web-platform/tests/forced-colors-mode/forced-colors-mode-21.html new file mode 100644 index 0000000000..975bfc6d09 --- /dev/null +++ b/testing/web-platform/tests/forced-colors-mode/forced-colors-mode-21.html @@ -0,0 +1,31 @@ +<!DOCTYPE html> +<meta charset="utf-8"> +<title>Forced colors mode - alpha channel. + Tests that the alpha channel for background colors are preserved in forced + colors mode at the root node. +</title> +<link rel="help" href="https://www.w3.org/TR/css-color-adjust-1/#forced-colors-properties"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<style> + body { + background-color: rgba(114, 173, 218, .3); + } + div { + background-color: Canvas; + } +</style> +<body id="body"> + <div id="div"> + Background colors should maintain their alpha channels in forced + colors mode. + </div> +</body> + +<script> + var div_color = getComputedStyle(div).backgroundColor; + var expected_div_color = div_color.replace(')', ', 0.3)').replace('rgb(', 'rgba('); + test(function(){ + assert_equals(getComputedStyle(body).backgroundColor, expected_div_color); + }, "Checks that background color alpha channels are preserved in forced colors mode at the root node."); +</script> |