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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-anchor-position/position-fallback-002.html | |
| parent | Initial commit. (diff) | |
| download | firefox-upstream.tar.xz firefox-upstream.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-anchor-position/position-fallback-002.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-anchor-position/position-fallback-002.html | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-anchor-position/position-fallback-002.html b/testing/web-platform/tests/css/css-anchor-position/position-fallback-002.html new file mode 100644 index 0000000000..52c964609b --- /dev/null +++ b/testing/web-platform/tests/css/css-anchor-position/position-fallback-002.html @@ -0,0 +1,61 @@ +<!DOCTYPE html> +<title>Tests that overflowing the inset-modified containing block triggers position fallback</title> +<link rel="help" href="https://drafts.csswg.org/css-anchor-1/#fallback"> +<link rel="author" href="mailto:xiaochengh@chromium.org"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="/resources/check-layout-th.js"></script> +<style> +.cb { + width: 400px; + height: 400px; + transform: scale(1); + background: yellow; +} +.anchor1 { + anchor-name: --a; + margin-left: 100px; + width: 100px; + height: 100px; + background: blue; +} +.target { + position: absolute; + position-fallback: --fallback; + width: min-content; + height: 100px; + background: orange; +} +.inline-spacer { + display: inline-block; + width: 200px; + height: 100px; +} +@position-fallback --fallback { + @try { /* 1: Position to the left of the anchor. */ + left: 0; + right: anchor(--a left); + top: anchor(--a top); + } + @try { /* 2: Position to the right of the anchor. */ + left: anchor(--a right); + right: 0; + top: anchor(--a top); + } + @try { /* 3: Placeholder fallback that shouldn't be selected when the previous + ones do not overflow the available space. */ + inset: 0; + } +} +</style> +<body onload="checkLayout('.target')"> + <!-- The first `@try` overflows the inset-modifed containing block --> + <div class="cb"> + <div class="anchor1"></div> + <div class="target" + data-offset-x=200 data-offset-y=0 + data-expected-width=200 data-expected-height=100> + <span class="inline-spacer"></span> + </div> + </div> +</body> |