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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
| commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
| tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/css/css-overflow/scrollbar-gutter-propagation-003.html | |
| parent | Initial commit. (diff) | |
| download | firefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip | |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/css/css-overflow/scrollbar-gutter-propagation-003.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-overflow/scrollbar-gutter-propagation-003.html | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-overflow/scrollbar-gutter-propagation-003.html b/testing/web-platform/tests/css/css-overflow/scrollbar-gutter-propagation-003.html new file mode 100644 index 0000000000..e9483946a5 --- /dev/null +++ b/testing/web-platform/tests/css/css-overflow/scrollbar-gutter-propagation-003.html @@ -0,0 +1,56 @@ +<!doctype html> +<meta charset="utf-8"> +<title>CSS Overflow: scrollbar-gutter on the root with overflow:auto, not scrolling</title> +<link rel="author" title="Felipe Erias Morandeira" href="mailto:felipeerias@igalia.com" /> +<link rel="help" href="https://drafts.csswg.org/css-overflow-4/#scrollbar-gutter-property" /> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="/css/support/parsing-testcommon.js"></script> +<style> + body, + html { + margin: 0; + padding: 0; + border: none; + } + + :root { + scrollbar-gutter: stable; + overflow: auto; + } + + #content { + background: green; + width: 100%; + height: 100px; + } +</style> + +<body> + + <div id="content"></div> + + <script type="text/javascript"> + setup({ explicit_done: true }); + + test(function () { + let root = document.documentElement; + let body = document.body; + let content = document.getElementById('content'); + + // Note: as per the spec, the clientWidth of the root element is + // "viewport width excluding the size of a rendered scroll bar (if any)" + // which does not take scrollbar-gutter into account. + // Since no such special case exists for offsetWidth, this means that here + // root.clientWidth is greater than root.offsetWidth (!!!). + + assert_less_than(root.offsetWidth, window.innerWidth, "viewport has gutter"); + assert_equals(body.offsetWidth, root.offsetWidth, "body matches root"); + assert_equals(body.clientWidth, body.offsetWidth, "body has no gutter"); + assert_equals(content.offsetWidth, body.clientWidth, "content matches body"); + }, "viewport has gutter, others do not"); + + done(); + + </script> +</body> |