1// Copyright 2015 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(function () { 6 var o = new String("ab"); 7 function store(o, i, v) { o[i] = v; } 8 function load(o, i) { return o[i]; } 9 10 // Initialize the IC. 11 store(o, 2, 10); 12 load(o, 2); 13 14 store(o, 0, 100); 15 assertEquals("a", load(o, 0)); 16})(); 17 18(function () { 19 var o = {__proto__: new String("ab")}; 20 function store(o, i, v) { o[i] = v; } 21 function load(o, i) { return o[i]; } 22 23 // Initialize the IC. 24 store(o, 2, 10); 25 load(o, 2); 26 27 store(o, 0, 100); 28 assertEquals("a", load(o, 0)); 29})(); 30 31(function () { 32 "use strict"; 33 var o = {__proto__: {}}; 34 function store(o, i, v) { o[i] = v; } 35 36 // Initialize the IC. 37 store(o, 0, 100); 38 o.__proto__.__proto__ = new String("bla"); 39 assertThrows(function () { store(o, 1, 100) }); 40})(); 41