1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/NumberFormat/style-unit.js b/js/src/tests/test262/intl402/NumberFormat/style-unit.js
new file mode 100644
index 0000000000..f41406dcfe
--- /dev/null
+++ b/js/src/tests/test262/intl402/NumberFormat/style-unit.js
@@ -0,0 +1,28 @@
+// Copyright 2018 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-setnumberformatunitoptions
+description: Checks handling of valid values for the numeric option to the RelativeTimeFormat constructor.
+info: |
+    SetNumberFormatUnitOptions ( intlObj, options )
+
+    3. Let style be ? GetOption(options, "style", "string", « "decimal", "percent", "currency", "unit" », "decimal").
+    4. Set intlObj.[[Style]] to style.
+
+features: [Intl.NumberFormat-unified]
+---*/
+
+const validOptions = [
+  [undefined, "decimal"],
+  ["unit", "unit"],
+  [{ toString() { return "unit"; } }, "unit"],
+];
+
+for (const [validOption, expected] of validOptions) {
+  const nf = new Intl.NumberFormat([], {"style": validOption, "unit": "gigabit"});
+  const resolvedOptions = nf.resolvedOptions();
+  assert.sameValue(resolvedOptions.style, expected);
+}
+
+reportCompare(0, 0);