72 lines
2.2 KiB
JavaScript
72 lines
2.2 KiB
JavaScript
|
// Copyright 2013 the V8 project authors. All rights reserved.
|
||
|
|
// Redistribution and use in source and binary forms, with or without
|
||
|
|
// modification, are permitted provided that the following conditions are
|
||
|
|
// met:
|
||
|
|
//
|
||
|
|
// * Redistributions of source code must retain the above copyright
|
||
|
|
// notice, this list of conditions and the following disclaimer.
|
||
|
|
// * Redistributions in binary form must reproduce the above
|
||
|
|
// copyright notice, this list of conditions and the following
|
||
|
|
// disclaimer in the documentation and/or other materials provided
|
||
|
|
// with the distribution.
|
||
|
|
// * Neither the name of Google Inc. nor the names of its
|
||
|
|
// contributors may be used to endorse or promote products derived
|
||
|
|
// from this software without specific prior written permission.
|
||
|
|
//
|
||
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||
|
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
|
||
|
|
function s(v) {
|
||
|
|
v.x = 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
function s_strict(v) {
|
||
|
|
"use strict";
|
||
|
|
v.x = 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
function c(p) {
|
||
|
|
return {__proto__: p};
|
||
|
|
}
|
||
|
|
|
||
|
|
var p = {};
|
||
|
|
|
||
|
|
var o1 = c(p);
|
||
|
|
var o2 = c(p);
|
||
|
|
var o3 = c(p);
|
||
|
|
var o4 = c(p);
|
||
|
|
|
||
|
|
// Make p go slow.
|
||
|
|
// Do this after using p as prototype, since using an object as prototype kicks
|
||
|
|
// it back into fast mode.
|
||
|
|
p.y = 1;
|
||
|
|
delete p.y;
|
||
|
|
p.x = 5;
|
||
|
|
|
||
|
|
// Initialize the store IC.
|
||
|
|
s(o1);
|
||
|
|
s(o2);
|
||
|
|
s_strict(o1);
|
||
|
|
s_strict(o2);
|
||
|
|
|
||
|
|
// Make x non-writable.
|
||
|
|
Object.defineProperty(p, "x", { writable: false });
|
||
|
|
|
||
|
|
// Verify that direct setting fails.
|
||
|
|
o3.x = 20;
|
||
|
|
assertEquals(5, o3.x);
|
||
|
|
|
||
|
|
// Verify that setting through the IC fails.
|
||
|
|
s(o4);
|
||
|
|
assertEquals(5, o4.x);
|
||
|
|
assertThrows("s_strict(o4);", TypeError);
|