1 files changed, 17 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-fonts/system-ui-ja-notref.html b/testing/web-platform/tests/css/css-fonts/system-ui-ja-notref.html
new file mode 100644
index 0000000000..c33e769ce3
--- /dev/null
+++ b/testing/web-platform/tests/css/css-fonts/system-ui-ja-notref.html
@@ -0,0 +1,17 @@
+<!doctype html>
+<html lang="ja">
+<meta charset="utf-8">
+<title>CSS Test Reference</title>
+<link rel="stylesheet" href="/fonts/ahem.css">
+<style>
+@font-face {
+  font-family: mplus;
+  src: url(/fonts/mplus-1p-regular.woff);
+  size-adjust: 50%; /* cause mismatch even if system-ui maps to M+ */
+}
+p {
+  font-family: Ahem, mplus, serif;
+  font-size: 4em;
+}
+</style>
+<p>&#x76F4;</p>