19258b6bc66e09368ada54001f619d53b4fc976d5ager@chromium.org// Copyright 2008 the V8 project authors. All rights reserved. 29a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com// Redistribution and use in source and binary forms, with or without 39a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com// modification, are permitted provided that the following conditions are 49a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com// met: 59a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com// 69a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com// * Redistributions of source code must retain the above copyright 79a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com// notice, this list of conditions and the following disclaimer. 89a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com// * Redistributions in binary form must reproduce the above 99a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com// copyright notice, this list of conditions and the following 109a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com// disclaimer in the documentation and/or other materials provided 119a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com// with the distribution. 129a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com// * Neither the name of Google Inc. nor the names of its 139a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com// contributors may be used to endorse or promote products derived 149a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com// from this software without specific prior written permission. 159a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com// 169a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 179a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 189a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 199a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 209a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 219a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 229a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 239a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 249a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 259a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 269a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 279a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com 287028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org// Flags: --allow-natives-syntax --es52_globals 299a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com 309a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com// Make sure that we can introduce global variables (using 319a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com// both var and const) that shadow even READ_ONLY variables 329a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com// in the prototype chain. 339a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.comconst NONE = 0; 349a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.comconst READ_ONLY = 1; 359a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com 369a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com// Use DeclareGlobal... 379bf7aff6cc5ed8807b7b2abc11b6cf77b928ded1machenbach@chromium.org%AddNamedProperty(this.__proto__, "a", 1234, NONE); 389a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.comassertEquals(1234, a); 399a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.comeval("var a = 5678;"); 409a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.comassertEquals(5678, a); 419a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com 429bf7aff6cc5ed8807b7b2abc11b6cf77b928ded1machenbach@chromium.org%AddNamedProperty(this.__proto__, "b", 1234, NONE); 439a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.comassertEquals(1234, b); 449a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.comeval("const b = 5678;"); 459a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.comassertEquals(5678, b); 469a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com 479bf7aff6cc5ed8807b7b2abc11b6cf77b928ded1machenbach@chromium.org%AddNamedProperty(this.__proto__, "c", 1234, READ_ONLY); 489a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.comassertEquals(1234, c); 499a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.comeval("var c = 5678;"); 509a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.comassertEquals(5678, c); 519a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com 529bf7aff6cc5ed8807b7b2abc11b6cf77b928ded1machenbach@chromium.org%AddNamedProperty(this.__proto__, "d", 1234, READ_ONLY); 539a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.comassertEquals(1234, d); 549a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.comeval("const d = 5678;"); 559a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.comassertEquals(5678, d); 569a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com 579a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com// Use DeclareContextSlot... 589bf7aff6cc5ed8807b7b2abc11b6cf77b928ded1machenbach@chromium.org%AddNamedProperty(this.__proto__, "x", 1234, NONE); 599a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.comassertEquals(1234, x); 609a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.comeval("with({}) { var x = 5678; }"); 619a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.comassertEquals(5678, x); 629a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com 639bf7aff6cc5ed8807b7b2abc11b6cf77b928ded1machenbach@chromium.org%AddNamedProperty(this.__proto__, "y", 1234, NONE); 649a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.comassertEquals(1234, y); 659a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.comeval("with({}) { const y = 5678; }"); 669a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.comassertEquals(5678, y); 679a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com 689bf7aff6cc5ed8807b7b2abc11b6cf77b928ded1machenbach@chromium.org%AddNamedProperty(this.__proto__, "z", 1234, READ_ONLY); 699a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.comassertEquals(1234, z); 709a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.comeval("with({}) { var z = 5678; }"); 719a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.comassertEquals(5678, z); 729a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com 739bf7aff6cc5ed8807b7b2abc11b6cf77b928ded1machenbach@chromium.org%AddNamedProperty(this.__proto__, "w", 1234, READ_ONLY); 749a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.comassertEquals(1234, w); 759a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.comeval("with({}) { const w = 5678; }"); 769a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.comassertEquals(5678, w); 77