1f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org// Copyright 2013 the V8 project authors. All rights reserved. 291efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// Redistribution and use in source and binary forms, with or without 391efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// modification, are permitted provided that the following conditions are 491efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// met: 591efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// 691efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// * Redistributions of source code must retain the above copyright 791efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// notice, this list of conditions and the following disclaimer. 891efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// * Redistributions in binary form must reproduce the above 991efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// copyright notice, this list of conditions and the following 1091efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// disclaimer in the documentation and/or other materials provided 1191efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// with the distribution. 1291efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// * Neither the name of Google Inc. nor the names of its 1391efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// contributors may be used to endorse or promote products derived 1491efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// from this software without specific prior written permission. 1591efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// 1691efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1791efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1891efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1991efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2091efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2191efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2291efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2391efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2491efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2591efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2691efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2791efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org 28f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgfunction s(v) { 29f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org v.x = 1; 30f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org} 31f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org 32f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgfunction s_strict(v) { 33f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org "use strict"; 34f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org v.x = 1; 35f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org} 3691efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org 37f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgfunction c(p) { 38f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org return {__proto__: p}; 3991efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org} 4091efda9680c1eac04b6babfbf812d79b7df3747ajkummerow@chromium.org 41f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgvar p = {}; 42f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org 43f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgvar o1 = c(p); 44f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgvar o2 = c(p); 45f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgvar o3 = c(p); 46f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgvar o4 = c(p); 47f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org 48f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org// Make p go slow. 49f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org// Do this after using p as prototype, since using an object as prototype kicks 50f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org// it back into fast mode. 51f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgp.y = 1; 52f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgdelete p.y; 53f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgp.x = 5; 54f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org 55f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org// Initialize the store IC. 56f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgs(o1); 57f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgs(o2); 58f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgs_strict(o1); 59f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgs_strict(o2); 60f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org 61f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org// Make x non-writable. 62f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgObject.defineProperty(p, "x", { writable: false }); 63f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org 64f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org// Verify that direct setting fails. 65f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgo3.x = 20; 66f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgassertEquals(5, o3.x); 67f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org 68f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org// Verify that setting through the IC fails. 69f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgs(o4); 70f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgassertEquals(5, o4.x); 71f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.orgassertThrows("s_strict(o4);", TypeError); 72