// Copyright (c) 2012 Ecma International. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es5id: 15.5.4.20-2-42 description: > String.prototype.trim - TypeError exception was thrown when 'this' is an object that both toString and valueOf wouldn't return primitive value. ---*/ var toStringAccessed = false; var valueOfAccessed = false; var obj = { toString: function() { toStringAccessed = true; return {}; }, valueOf: function() { valueOfAccessed = true; return {}; } }; assert.throws(TypeError, function() { String.prototype.trim.call(obj); }); assert(valueOfAccessed, 'valueOfAccessed !== true'); assert(toStringAccessed, 'toStringAccessed !== true'); reportCompare(0, 0);