// Copyright 2019 the V8 project authors. All rights reserved.// Use of this source code is governed by a BSD-style license that can be// found in the LICENSE file.assertFalse(/ſ/i.test('ſ'.toUpperCase()));assertFalse(/ſ/i.test('ſ'.toUpperCase()[0]));assertTrue(/ſ/i.test('ſ'));assertTrue(/ſ/i.test('ſ'[0]));assertFalse(/ſ/i.test('s'.toUpperCase()));assertFalse(/ſ/i.test('s'.toUpperCase()[0]));assertFalse(/ſ/i.test('S'.toUpperCase()));assertFalse(/ſ/i.test('S'.toUpperCase()[0]));assertFalse(/ſ/i.test('S'));assertFalse(/ſ/i.test('S'[0]));