From aa2ec09e97ea9144a4f6ddd16a3a124532b04cb5 Mon Sep 17 00:00:00 2001
From: Yury Semikhatsky <yurys@chromium.org>
Date: Wed, 5 Aug 2020 13:43:38 -0700
Subject: [PATCH] test: default and overriden locale isolation between contexts
 (#3308)

---
 test/browsercontext-locale.spec.js | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/test/browsercontext-locale.spec.js b/test/browsercontext-locale.spec.js
index 09b14df969..abfbce0ca8 100644
--- a/test/browsercontext-locale.spec.js
+++ b/test/browsercontext-locale.spec.js
@@ -138,3 +138,28 @@ it('should be isolated between contexts', async({browser, server}) => {
     context2.close()
   ]);
 });
+
+it.fail(FFOX)('should not change default locale in another context', async({browser, server}) => {
+  async function getContextLocale(context) {
+    const page = await context.newPage();
+    return await page.evaluate(() => (new Intl.NumberFormat()).resolvedOptions().locale);
+  }
+
+  let defaultLocale;
+  {
+    const context = await browser.newContext();
+    defaultLocale = await getContextLocale(context);
+    await context.close();
+  }
+  const localeOverride = defaultLocale === 'ru-RU' ? 'de-DE' : 'ru-RU';
+  {
+    const context = await browser.newContext({ locale: localeOverride});
+    expect(await getContextLocale(context)).toBe(localeOverride);
+    await context.close();
+  }
+  {
+    const context = await browser.newContext();
+    expect(await getContextLocale(context)).toBe(defaultLocale);
+    await context.close();
+  }
+});