1 files changed, 43 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/NumberFormat/test-option-useGrouping.js b/js/src/tests/test262/intl402/NumberFormat/test-option-useGrouping.js
new file mode 100644
index 0000000000..31bf4385bd
--- /dev/null
+++ b/js/src/tests/test262/intl402/NumberFormat/test-option-useGrouping.js
@@ -0,0 +1,43 @@
+// |reftest| skip-if(release_or_beta) -- Intl.NumberFormat-v3 is not released yet
+// Copyright 2012 Mozilla Corporation. All rights reserved.
+// Copyright 2022 Apple Inc. All rights reserved.
+// Copyright 2022 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 11.1.1_34
+description: Tests that the option useGrouping is processed correctly.
+info: |
+  The "Intl.NumberFormat v3" proposal contradicts the behavior required by the
+  latest revision of ECMA402.
+author: Norbert Lindenberg
+features: [Intl.NumberFormat-v3]
+---*/
+
+function resolveUseGrouping(option) {
+  return new Intl.NumberFormat(undefined, { useGrouping: option }).resolvedOptions().useGrouping;
+}
+
+for (let string of ["min2", "auto", "always"]) {
+  assert.sameValue(resolveUseGrouping(string), string);
+}
+
+assert.sameValue(resolveUseGrouping(true), "always");
+assert.sameValue(resolveUseGrouping(false), false);
+assert.sameValue(resolveUseGrouping(undefined), "auto");
+assert.sameValue(resolveUseGrouping("true"), "auto");
+assert.sameValue(resolveUseGrouping("false"), "auto");
+
+for (let falsy of [0, null, ""]) {
+  assert.sameValue(resolveUseGrouping(falsy), false);
+}
+
+for (let invalidOptions of [42, "MIN2", {} , "True",  "TRUE" , "FALSE" , "False" , "Undefined" , "undefined"]) {
+  assert.throws(RangeError, function () {
+    return new Intl.NumberFormat(undefined, { useGrouping: invalidOptions });
+  }, "Throws RangeError when useGrouping value is not supported");
+}
+
+
+
+reportCompare(0, 0);