1 files changed, 38 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-contain/container-queries/container-units-gradient-invalidation.html b/testing/web-platform/tests/css/css-contain/container-queries/container-units-gradient-invalidation.html
new file mode 100644
index 0000000000..665a14dcaa
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+++ b/testing/web-platform/tests/css/css-contain/container-queries/container-units-gradient-invalidation.html
@@ -0,0 +1,38 @@
+<!DOCTYPE html>
+<html class=reftest-wait>
+<title>Container Relative Units in gradients</title>
+<link rel="help" href="https://drafts.csswg.org/css-contain-3/#container-lengths">
+<link rel="match" href="container-units-gradient-ref.html">
+<script src="/common/reftest-wait.js"></script>
+<script src="/common/rendering-utils.js"></script>
+<style>
+  .container {
+    container-type: size;
+    width: 500px;
+    height: 400px;
+    display: flex;
+    flex-wrap: wrap;
+  }
+  .smaller {
+    width: 400px;
+    height: 300px;
+  }
+  .box {
+    width: 100px;
+    height: 100px;
+    margin: 5px;
+  }
+</style>
+<div class=container>
+  <div class=box style="background:linear-gradient(green 5cqw, blue 10cqh)"></div>
+  <div class=box style="background:linear-gradient(green 5cqi, blue 10cqb)"></div>
+  <div class=box style="background:linear-gradient(green 5cqmin, blue 10cqmax)"></div>
+  <div class=box style="background:radial-gradient(green 5cqw, blue 10cqh)"></div>
+  <div class=box style="background:conic-gradient(from 180deg at 10cqh, green, blue)"></div>
+</div>
+<script>
+  document.body.offsetTop;
+  document.querySelector('.container').classList.add('smaller');
+  waitForAtLeastOneFrame().then(takeScreenshot);
+</script>
+</html>