1 files changed, 36 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/Locale/constructor-options-collation-invalid.js b/js/src/tests/test262/intl402/Locale/constructor-options-collation-invalid.js
new file mode 100644
index 0000000000..d256093257
--- /dev/null
+++ b/js/src/tests/test262/intl402/Locale/constructor-options-collation-invalid.js
@@ -0,0 +1,36 @@
+// Copyright 2018 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-intl.locale
+description: >
+    Checks error cases for the options argument to the Locale constructor.
+info: |
+    Intl.Locale( tag [, options] )
+
+    ...
+    18. If collation is not undefined, then
+      a. If collation does not match the [(3*8alphanum) *("-" (3*8alphanum))] sequence, throw a RangeError exception.
+
+features: [Intl.Locale]
+---*/
+
+
+/*
+ alphanum = (ALPHA / DIGIT)     ; letters and numbers
+ collation = (3*8alphanum) *("-" (3*8alphanum))
+*/
+const invalidCollationOptions = [
+  "",
+  "a",
+  "ab",
+  "abcdefghi",
+  "abc-abcdefghi",
+];
+for (const invalidCollationOption of invalidCollationOptions) {
+  assert.throws(RangeError, function() {
+    new Intl.Locale("en", {collation: invalidCollationOption});
+  }, '`new Intl.Locale("en", {collation: invalidCollationOption})` throws RangeError');
+}
+
+reportCompare(0, 0);