1 files changed, 64 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/Locale/constructor-options-script-valid.js b/js/src/tests/test262/intl402/Locale/constructor-options-script-valid.js
new file mode 100644
index 0000000000..43fb26ff62
--- /dev/null
+++ b/js/src/tests/test262/intl402/Locale/constructor-options-script-valid.js
@@ -0,0 +1,64 @@
+// 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: >
+    Verify valid language option values (various)
+info: |
+    Intl.Locale( tag [, options] )
+    9. Else,
+        a. Let tag be ? ToString(tag).
+    10. If options is undefined, then
+    11. Else
+        a. Let options be ? ToObject(options).
+    12. Set tag to ? ApplyOptionsToTag(tag, options).
+
+    ApplyOptionsToTag( tag, options )
+    ...
+    5. Let script be ? GetOption(options, "script", "string", undefined, undefined).
+    ...
+    9. If tag matches neither the privateuse nor the grandfathered production, then
+      ...
+      c. If script is not undefined, then
+        i. If tag does not contain a script production, then
+          1. Set tag to the concatenation of the language production of tag, "-", script, and the rest of tag.
+        ii. Else,
+          1. Set tag to tag with the substring corresponding to the script production replaced by the string script.
+
+
+features: [Intl.Locale]
+---*/
+
+const validScriptOptions = [
+  [null, 'Null'],
+  ['bali', 'Bali'],
+  ['Bali', 'Bali'],
+  ['bALI', 'Bali'],
+  [{ toString() { return 'Brai' } }, 'Brai'],
+];
+for (const [script, expected] of validScriptOptions) {
+  let expect = expected ? 'en-' + expected : 'en';
+
+  assert.sameValue(
+    new Intl.Locale('en', { script }).toString(),
+    expect,
+    `new Intl.Locale("en", {script: "${script}"}).toString() returns "${expect}"`
+  );
+
+  expect = (expected ? ('en-' + expected) : 'en') + '-DK';
+  assert.sameValue(
+    new Intl.Locale('en-DK', { script }).toString(),
+    expect,
+    `new Intl.Locale("en-DK", {script: "${script}"}).toString() returns "${expect}"`
+  );
+
+  expect = expected ? ('en-' + expected) : 'en-Cyrl';
+  assert.sameValue(
+    new Intl.Locale('en-Cyrl', { script }).toString(),
+    expect,
+    `new Intl.Locale("en-Cyrl", {script: "${script}"}).toString() returns "${expect}"`
+  );
+}
+
+reportCompare(0, 0);