1 files changed, 21 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/Locale/invalid-tag-throws-null.js b/js/src/tests/test262/intl402/Locale/invalid-tag-throws-null.js
new file mode 100644
index 0000000000..9078819cd4
--- /dev/null
+++ b/js/src/tests/test262/intl402/Locale/invalid-tag-throws-null.js
@@ -0,0 +1,21 @@
+// Copyright 2018 André Bargull; Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-intl.locale
+description: >
+  Verifies the type check on the tag argument to Intl.Locale.
+info: |
+  Intl.Locale( tag [, options] )
+
+  7. If Type(tag) is not String or Object, throw a TypeError exception.
+features: [Intl.Locale]
+---*/
+
+assert.sameValue(typeof Intl.Locale, "function");
+
+assert.throws(TypeError, function() {
+  new Intl.Locale(null);
+}, "null is an invalid tag value");
+
+reportCompare(0, 0);