1 files changed, 44 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-grid/subgrid/grid-gap-007.html b/testing/web-platform/tests/css/css-grid/subgrid/grid-gap-007.html
new file mode 100644
index 0000000000..5b94fe5302
--- /dev/null
+++ b/testing/web-platform/tests/css/css-grid/subgrid/grid-gap-007.html
@@ -0,0 +1,44 @@
+<!DOCTYPE HTML>
+<!--
+     Any copyright is dedicated to the Public Domain.
+     http://creativecommons.org/publicdomain/zero/1.0/
+-->
+<html><head>
+  <meta charset="utf-8">
+  <title>CSS Grid Test: nested ortogonal writing-mode subgrids</title>
+  <link rel="author" title="Mats Palmgren" href="mailto:mats@mozilla.com">
+  <link rel="help" href="https://drafts.csswg.org/css-grid-2">
+  <link rel="stylesheet" type="text/css" href="/fonts/ahem.css">
+  <link rel="match" href="grid-gap-007-ref.html">
+  <style>
+html,body {
+  color:black; background-color:white; font:24px/1 Ahem; padding:0; margin:0;
+}
+
+.grid {
+  display:inline-grid;
+  grid:100px auto/100px auto;
+  gap:20px;
+  border:3px solid;
+  background:yellow;
+}
+span { background:cyan; }
+span:nth-child(2n+1) { background:grey; }
+
+.hl { writing-mode: horizontal-tb; direction:ltr; }
+.vrl { writing-mode: vertical-rl; direction:ltr; }
+</style>
+</head>
+<body>
+
+<div class="grid">
+  <div class="vrl" style="display:grid; grid:subgrid/subgrid; gap:100px; grid-area:span 2/span 2; background:pink">
+    <div class="hl" style="display:grid; grid:subgrid/100px; gap:100px; grid-column:span 2; background:lightgrey">
+      <span>a</span><span>b</span>
+    </div>
+    <span style="grid-area:1/2">ccc</span>
+  </div>
+</div>
+
+</body>
+</html>