// Copyright (c) 2012 Ecma International. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-array.prototype.lastindexof description: > Array.prototype.lastIndexOf throws TypeError exception when value of 'fromIndex' is an object that both toString and valueOf methods than don't return primitive value ---*/ var toStringAccessed = false; var valueOfAccessed = false; var fromIndex = { toString: function() { toStringAccessed = true; return {}; }, valueOf: function() { valueOfAccessed = true; return {}; } }; assert.throws(TypeError, function() { [0, null].lastIndexOf(null, fromIndex); }); assert(toStringAccessed, 'toStringAccessed'); assert(valueOfAccessed, 'valueOfAccessed'); reportCompare(0, 0);