1 files changed, 41 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/Locale/invalid-tag-throws.js b/js/src/tests/test262/intl402/Locale/invalid-tag-throws.js
new file mode 100644
index 0000000000..7b16250812
--- /dev/null
+++ b/js/src/tests/test262/intl402/Locale/invalid-tag-throws.js
@@ -0,0 +1,41 @@
+// 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: >
+    Checks error cases for the options argument to the Locale
+    constructor.
+info: |
+    Intl.Locale( tag [, options] )
+
+    ...
+    11. Else
+        a. Let options be ? ToObject(options).
+    12. Set tag to ? ApplyOptionsToTag(tag, options).
+    ...
+
+    ApplyOptionsToTag( tag, options )
+
+    ...
+    2. If IsStructurallyValidLanguageTag(tag) is false, throw a RangeError exception.
+    ...
+includes: [testIntl.js]
+features: [Intl.Locale]
+---*/
+
+assert.sameValue(typeof Intl.Locale, "function");
+
+// Intl.Locale step 11.a.
+assert.throws(TypeError, function() { new Intl.Locale("en", null) })
+
+// ApplyOptionsToTag step 2.
+for (const invalidTag of getInvalidLanguageTags()) {
+  assert.throws(RangeError, function() {
+    new Intl.Locale(invalidTag);
+  }, `${invalidTag} is an invalid tag value`);
+}
+
+
+
+reportCompare(0, 0);