From a2df5772c93af5596c590d83cd3843b5b95df48e Mon Sep 17 00:00:00 2001
From: Richard Lau <rlau@redhat.com>
Date: Thu, 15 Jul 2021 13:00:19 -0400
Subject: [PATCH] test: add NumberFormat resolvedOptions test
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Add a regression test for NumberFormat resolvedOptions.

PR-URL: https://github.com/nodejs/node/pull/39401
Refs: https://github.com/nodejs/node/issues/39050
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
---
 test/parallel/test-intl.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/test/parallel/test-intl.js b/test/parallel/test-intl.js
index ba803973829b8a..956383c5281389 100644
--- a/test/parallel/test-intl.js
+++ b/test/parallel/test-intl.js
@@ -104,6 +104,13 @@ if (!common.hasIntl) {
     const numberFormat = new Intl.NumberFormat(['en']).format(12345.67890);
     assert.strictEqual(numberFormat, '12,345.679');
   }
+  // Number format resolved options
+  {
+    const numberFormat = new Intl.NumberFormat('en-US', { style: 'percent' });
+    const resolvedOptions = numberFormat.resolvedOptions();
+    assert.strictEqual(resolvedOptions.locale, 'en-US');
+    assert.strictEqual(resolvedOptions.style, 'percent');
+  }
   // Significant Digits
   {
     const loc = ['en-US'];