Strict mode Passingnon-Strict mode Passing
Features:
- ∅
// 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.indexof description: > Array.prototype.indexOf - 'length' is an object that has an own valueOf method that returns an object and toString method that returns a string ---*/ var toStringAccessed = false; var valueOfAccessed = false; var obj = { 1: true, length: { toString: function() { toStringAccessed = true; return '2'; }, valueOf: function() { valueOfAccessed = true; return {}; } } }; assert.sameValue(Array.prototype.indexOf.call(obj, true), 1, 'Array.prototype.indexOf.call(obj, true)'); assert(toStringAccessed, 'toStringAccessed !== true'); assert(valueOfAccessed, 'valueOfAccessed !== true');