1 files changed, 17 insertions, 0 deletions
diff --git a/js/src/tests/non262/Intl/Collator/implicithan.js b/js/src/tests/non262/Intl/Collator/implicithan.js
new file mode 100644
index 0000000000..518ecdb43e
--- /dev/null
+++ b/js/src/tests/non262/Intl/Collator/implicithan.js
@@ -0,0 +1,17 @@
+// |reftest| skip-if(!this.hasOwnProperty("Intl"))
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+let scrambled = ['𠙶', '𠇲', '㓙', '㑧', '假', '凷'];
+
+// Sort first by block and then by radical-stroke inside each block.
+// This matches the ICU/ICU4X implicithan root order, which is used
+// by Chrome as of October 2022. (As of October 2022, Safari uses
+// the unihan root order, which uses more data but uses radical-stroke
+// across blocks.)
+const byBlock = ['假', '凷', '㑧', '㓙', '𠇲', '𠙶'];
+
+scrambled.sort(new Intl.Collator().compare);
+assertEqArray(scrambled, byBlock);
+
+reportCompare(0, 0, 'ok');