// Copyright 2014 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. function testMathToString() { assertEquals('[object Math]', "" + Math); assertEquals("Math", Math[Symbol.toStringTag]); var desc = Object.getOwnPropertyDescriptor(Math, Symbol.toStringTag); assertTrue(desc.configurable); assertFalse(desc.writable); assertEquals("Math", desc.value); delete Math[Symbol.toStringTag]; assertEquals('[object Object]', "" + Math); } testMathToString();