1 files changed, 42 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/NumberFormat/constructor-options-numberingSystem-invalid.js b/js/src/tests/test262/intl402/NumberFormat/constructor-options-numberingSystem-invalid.js
new file mode 100644
index 0000000000..40de2cd18d
--- /dev/null
+++ b/js/src/tests/test262/intl402/NumberFormat/constructor-options-numberingSystem-invalid.js
@@ -0,0 +1,42 @@
+// Copyright 2020 André Bargull; Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-initializenumberformat
+description: >
+    Checks error cases for the options argument to the NumberFormat constructor.
+info: |
+    InitializeNumberFormat ( numberFormat, locales, options )
+
+    ...
+    8. If numberingSystem is not undefined, then
+        a. If numberingSystem does not match the Unicode Locale Identifier type nonterminal, throw a RangeError exception.
+---*/
+
+/*
+ alphanum = (ALPHA / DIGIT)     ; letters and numbers
+ numberingSystem = (3*8alphanum) *("-" (3*8alphanum))
+*/
+const invalidNumberingSystemOptions = [
+  "",
+  "a",
+  "ab",
+  "abcdefghi",
+  "abc-abcdefghi",
+  "!invalid!",
+  "-latn-",
+  "latn-",
+  "latn--",
+  "latn-ca",
+  "latn-ca-",
+  "latn-ca-gregory",
+  "latné",
+  "latn编号",
+];
+for (const numberingSystem of invalidNumberingSystemOptions) {
+  assert.throws(RangeError, function() {
+    new Intl.NumberFormat('en', {numberingSystem});
+  }, `new Intl.NumberFormat("en", {numberingSystem: "${numberingSystem}"}) throws RangeError`);
+}
+
+reportCompare(0, 0);