1 files changed, 34 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/NumberFormat/prototype/format/useGrouping-en-US.js b/js/src/tests/test262/intl402/NumberFormat/prototype/format/useGrouping-en-US.js
new file mode 100644
index 0000000000..3baaafb8bc
--- /dev/null
+++ b/js/src/tests/test262/intl402/NumberFormat/prototype/format/useGrouping-en-US.js
@@ -0,0 +1,34 @@
+// Copyright 2021 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-intl.numberformat.prototype.format
+description: |
+  Checks handling of the useGrouping option to the NumberFormat constructor.
+locale: [en-US]
+---*/
+
+var nf;
+
+nf = new Intl.NumberFormat('en-US', {});
+
+assert.sameValue(nf.format(100), '100', '(omitted)');
+assert.sameValue(nf.format(1000), '1,000', '(omitted)');
+assert.sameValue(nf.format(10000), '10,000', '(omitted)');
+assert.sameValue(nf.format(100000), '100,000', '(omitted)');
+
+nf = new Intl.NumberFormat('en-US', {useGrouping: true});
+
+assert.sameValue(nf.format(100), '100', 'true');
+assert.sameValue(nf.format(1000), '1,000', 'true');
+assert.sameValue(nf.format(10000), '10,000', 'true');
+assert.sameValue(nf.format(100000), '100,000', 'true');
+
+nf = new Intl.NumberFormat('en-US', {useGrouping: false});
+
+assert.sameValue(nf.format(100), '100', 'false');
+assert.sameValue(nf.format(1000), '1000', 'false');
+assert.sameValue(nf.format(10000), '10000', 'false');
+assert.sameValue(nf.format(100000), '100000', 'false');
+
+reportCompare(0, 0);