1 files changed, 22 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/RelativeTimeFormat/constructor/supportedLocalesOf/locales-invalid.js b/js/src/tests/test262/intl402/RelativeTimeFormat/constructor/supportedLocalesOf/locales-invalid.js
new file mode 100644
index 0000000000..57cfa4a3ee
--- /dev/null
+++ b/js/src/tests/test262/intl402/RelativeTimeFormat/constructor/supportedLocalesOf/locales-invalid.js
@@ -0,0 +1,22 @@
+// Copyright 2018 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-Intl.RelativeTimeFormat.supportedLocalesOf
+description: Checks error cases for the locales argument to the supportedLocalesOf function.
+info: |
+    Intl.RelativeTimeFormat.supportedLocalesOf ( locales [, options ])
+
+    2. Let requestedLocales be CanonicalizeLocaleList(locales).
+includes: [testIntl.js]
+features: [Intl.RelativeTimeFormat]
+---*/
+
+assert.sameValue(typeof Intl.RelativeTimeFormat.supportedLocalesOf, "function",
+                 "Should support Intl.RelativeTimeFormat.supportedLocalesOf.");
+
+for (const [locales, expectedError] of getInvalidLocaleArguments()) {
+    assert.throws(expectedError, () => Intl.RelativeTimeFormat.supportedLocalesOf(locales));
+}
+
+reportCompare(0, 0);