15d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org// Copyright 2010 the V8 project authors. All rights reserved.
25d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org// Redistribution and use in source and binary forms, with or without
35d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org// modification, are permitted provided that the following conditions are
45d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org// met:
55d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org//
65d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org//     * Redistributions of source code must retain the above copyright
75d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org//       notice, this list of conditions and the following disclaimer.
85d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org//     * Redistributions in binary form must reproduce the above
95d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org//       copyright notice, this list of conditions and the following
105d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org//       disclaimer in the documentation and/or other materials provided
115d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org//       with the distribution.
125d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org//     * Neither the name of Google Inc. nor the names of its
135d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org//       contributors may be used to endorse or promote products derived
145d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org//       from this software without specific prior written permission.
155d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org//
165d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
175d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
185d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
195d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
205d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
215d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
225d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
235d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
245d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
255d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
265d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
275d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org
285d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org// See: http://code.google.com/p/v8/issues/detail?id=1015
295d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org
305d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org// Object and array literals should be created using DefineOwnProperty, and
315d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org// therefore not hit setters in the prototype.
325d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org
335d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.orgfunction mkFail(message) {
345d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org  return function () { assertUnreachable(message); }
355d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org}
365d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org
375d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.orgObject.defineProperty(Object.prototype, "foo",
385d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org                      {get: mkFail("oget"), set: mkFail("oset")});
395d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.orgObject.defineProperty(Array.prototype, "2",
405d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org                      {get: mkFail("aget"), set: mkFail("aset")});
415d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org
425d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.orgfunction inFunction() {
435d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org  for (var i = 0; i < 10; i++) {
445d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org    // in loop.
455d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org    var ja = JSON.parse('[1,2,3,4]');
465d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org    var jo = JSON.parse('{"bar": 10, "foo": 20}')
475d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org    var jop = JSON.parse('{"bar": 10, "__proto__": { }, "foo": 20}')
485d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org    var a = [1,2,3,4];
495d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org    var o = { bar: 10, foo: 20 };
505d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org    var op = { __proto__: { set bar(v) { assertUnreachable("bset"); } },
515d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org               bar: 10 };
525d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org  }
535d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org}
545d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org
555d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.orgfor (var i = 0; i < 10; i++) {
565d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org  // In global scope.
575d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org  var ja = JSON.parse('[1,2,3,4]');
585d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org  var jo = JSON.parse('{"bar": 10, "foo": 20}')
595d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org  var jop = JSON.parse('{"bar": 10, "__proto__": { }, "foo": 20}')
605d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org  var a = [1,2,3,4];
615d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org  var o = { bar: 10, foo: 20 };
625d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org  var op = { __proto__: { set bar(v) { assertUnreachable("bset"); } },
635d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org             bar: 10 };
645d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org  // In function scope.
655d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org  inFunction();
665d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org}
67