Remove stale TODO about isolation nodes and fragmentation.

Fragmented isolation nodes have been allowed ever since LayoutNG block fragmentation got introduced. Include a test that should have failed if this wasn't implemented correctly. The code that checked for fragmentation got removed here: https://chromium-review.googlesource.com/c/chromium/src/+/4804328 Bug: 40596162 Change-Id: Ia6a52298ca107528a0c17c4c82b933065505cbef Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6298808 Commit-Queue: Morten Stenshorne <mstensho@chromium.org> Reviewed-by: Xianzhu Wang <wangxianzhu@chromium.org> Reviewed-by: Vladimir Levin <vmpstr@chromium.org> Cr-Commit-Position: refs/heads/main@{#1424102}
web-platform-tests · Feb 24, 2025 · 48a0138 · 48a0138
1 parent 21b79fa
commit 48a0138
Showing 1 changed file with 26 additions and 0 deletions.
diff --git a/css/css-multicol/paint-containment-001.html b/css/css-multicol/paint-containment-001.html
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+<!DOCTYPE html>
+<html class="reftest-wait">
+  <title>Resize multicol with paint-contained child, without affecting layout, apart from column offsets</title>
+  <link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
+  <link rel="help" href="https://issues.chromium.org/issues/40596162">
+  <link rel="match" href="../reference/ref-filled-green-100px-square.xht">
+  <p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
+  <div id="container" style="columns:2; gap:0; width:500px; column-fill:auto; height:100px; background:red;">
+    <div style="contain:paint; width:50px; height:200px;">
+      <div style="position:relative;">
+        <div style="height:150px; background:green;"></div>
+      </div>
+      <div style="position:relative;">
+        <div style="height:50px; background:green;"></div>
+      </div>
+    </div>
+  </div>
+  <script>
+    requestAnimationFrame(()=> {
+      requestAnimationFrame(()=> {
+        container.style.width = "100px";
+        document.documentElement.classList.remove("reftest-wait");
+      });
+    });
+  </script>
+</html>