Bug 1837529 [wpt PR 40463] - [anchor-position] Parse and evaluator `a…

…uto` and `auto-size` keywords, a=testonly Automatic update from web-platform-tests [anchor-position] Parse and evaluator `auto` and `auto-size` keywords This patch adds two more anchor side keywords `auto` and `auto-size` to the `anchor()` function, and evaluates them by converting them into the corresponding physical sides. This patch doesn't implement the automatic fallbacks, which will be implemented by a follow-up patch. Spec: https://drafts.csswg.org/css-anchor-position-1/#anchor-auto Bug: 1412864 Change-Id: I0494ab943a07ab9916b430600d4f49235c5df084 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4602508 Commit-Queue: Koji Ishii <[email protected]> Reviewed-by: Koji Ishii <[email protected]> Auto-Submit: Xiaocheng Hu <[email protected]> Cr-Commit-Position: refs/heads/main@{#1155689} -- wpt-commits: 11ff902e0691e9ed7d659bd7bba02eabdb9949d2 wpt-pr: 40463
mozilla · Jun 21, 2023 · 4528a9a · 4528a9a
1 parent c32285a
commit 4528a9a
Showing 1 changed file with 71 additions and 0 deletions.
diff --git a/testing/web-platform/tests/css/css-anchor-position/anchor-position-auto-001.html b/testing/web-platform/tests/css/css-anchor-position/anchor-position-auto-001.html
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+<!DOCTYPE html>
+<title>Tests automatic anchor positioning without fallbacks</title>
+<link rel="help" href="https://drafts.csswg.org/css-anchor-position-1/#anchor-auto">
+<link rel="auto" href="mailto:[email protected]">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/check-layout-th.js"></script>
+<script src="support/test-common.js"></script>
+
+<style>
+body {
+  margin: 0;
+}
+
+#cb {
+  position: absolute;
+  width: 500px;
+  height: 500px;
+}
+
+#anchor {
+  margin-left: 150px;
+  margin-top: 250px;
+  width: 100px;
+  height: 100px;
+  background: orange;
+  anchor-name: --a;
+}
+
+.target {
+  position: absolute;
+  width: 100px;
+  height: 100px;
+  background: lime;
+}
+
+#target1 {
+  top: anchor(--a auto); /* should evaluate to `bottom` */
+  left: anchor(--a auto-same); /* should evaluate to `left` */
+}
+
+#target2 {
+  bottom: anchor(--a auto); /* should evaluate to `top` */
+  right: anchor(--a auto-same); /* should evaluate to `right` */
+}
+
+#target3 {
+  top: anchor(--a auto-same); /* should evaluate to `top` */
+  left: anchor(--a auto); /* should evaluate to `right` */
+}
+
+#target4 {
+  bottom: anchor(--a auto-same); /* should evaluate to `bottom` */
+  right: anchor(--a auto); /* should evaluate to `left` */
+}
+</style>
+
+<body onload="checkLayoutForAnchorPos('.target')">
+  <div id="cb">
+    <div id="anchor"></div>
+
+    <div id="target1" class="target"
+         data-offset-x="150" data-offset-y="350"></div>
+    <div id="target2" class="target"
+         data-offset-x="150" data-offset-y="150"></div>
+    <div id="target3" class="target"
+         data-offset-x="250" data-offset-y="250"></div>
+    <div id="target4" class="target"
+         data-offset-x="50" data-offset-y="250"></div>
+  </div>
+</body>