1 files changed, 29 insertions, 0 deletions
diff --git a/deps/v8/test/intl/regress-9788.js b/deps/v8/test/intl/regress-9788.js
new file mode 100644
index 0000000000..7a3679584f
--- /dev/null
+++ b/deps/v8/test/intl/regress-9788.js
@@ -0,0 +1,29 @@
+// Copyright 2019 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --harmony-intl-add-calendar-numbering-system
+
+// Well-formed but invalid numberingSystem should not throw RangeError.
+var numberingSystem = "abc";
+var len = 3;
+
+const intlClasses = [
+    Intl.DateTimeFormat,
+    Intl.NumberFormat,
+    Intl.RelativeTimeFormat
+];
+
+intlClasses.forEach(function(cls) {
+  var expected =  new cls("en").resolvedOptions().numberingSystem;
+  var obj;
+  for (var i = 3; i < 20; i++, len++, numberingSystem += "a") {
+    assertDoesNotThrow(() => obj = new cls("en", {numberingSystem}),
+        "Well-formed numberingSystem should not throw");
+    assertEquals(expected, obj.resolvedOptions().numberingSystem);
+    if (len == 8) {
+      numberingSystem += "-ab";
+      len = 2;
+    }
+  }
+});