1// Copyright 2014 the V8 project authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5// Flags: --harmony-tostring 6 7function testJSONToString() { 8 assertEquals('[object JSON]', "" + JSON); 9 assertEquals("JSON", JSON[Symbol.toStringTag]); 10 var desc = Object.getOwnPropertyDescriptor(JSON, Symbol.toStringTag); 11 assertTrue(desc.configurable); 12 assertFalse(desc.writable); 13 assertEquals("JSON", desc.value); 14} 15testJSONToString(); 16