Rollback trunk to bleeding_edge revision 12525

test/mjsunit/regress/regress-2346.js

-// Copyright 2010 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.
-
-// This file only tests very simple descriptors that always have
-// configurable, enumerable, and writable set to true.
-// A range of more elaborate tests are performed in
-// object-define-property.js
-
-// Flags: --stress-runs=5
-
-function get() { return x; }
-function set(x) { this.x = x; }
-
-var obj = {x: 1};
-obj.__defineGetter__("accessor", get);
-obj.__defineSetter__("accessor", set);
-var a = new Array();
-a[1] = 42;
-obj[1] = 42;
-
-var descIsData = Object.getOwnPropertyDescriptor(obj, 'x');
-assertTrue(descIsData.enumerable);
-assertTrue(descIsData.writable);
-assertTrue(descIsData.configurable);
-
-var descIsAccessor = Object.getOwnPropertyDescriptor(obj, 'accessor');
-assertTrue(descIsAccessor.enumerable);
-assertTrue(descIsAccessor.configurable);
-assertTrue(descIsAccessor.get == get);
-assertTrue(descIsAccessor.set == set);
-
-var descIsNotData = Object.getOwnPropertyDescriptor(obj, 'not-x');
-assertTrue(descIsNotData == undefined);
-
-var descIsNotAccessor = Object.getOwnPropertyDescriptor(obj, 'not-accessor');
-assertTrue(descIsNotAccessor == undefined);
-
-var descArray = Object.getOwnPropertyDescriptor(a, '1');
-assertTrue(descArray.enumerable);
-assertTrue(descArray.configurable);
-assertTrue(descArray.writable);
-assertEquals(descArray.value, 42);
-
-var descObjectElement = Object.getOwnPropertyDescriptor(obj, '1');
-assertTrue(descObjectElement.enumerable);
-assertTrue(descObjectElement.configurable);
-assertTrue(descObjectElement.writable);
-assertEquals(descObjectElement.value, 42);
-
-// String objects.
-var a = new String('foobar');
-for (var i = 0; i < a.length; i++) {
-  var descStringObject = Object.getOwnPropertyDescriptor(a, i);
-  assertTrue(descStringObject.enumerable);
-  assertFalse(descStringObject.configurable);
-  assertFalse(descStringObject.writable);
-  assertEquals(descStringObject.value, a.substring(i, i+1));
-}
-
-// Support for additional attributes on string objects.
-a.x = 42;
-a[10] = 'foo';
-var descStringProperty = Object.getOwnPropertyDescriptor(a, 'x');
-assertTrue(descStringProperty.enumerable);
-assertTrue(descStringProperty.configurable);
-assertTrue(descStringProperty.writable);
-assertEquals(descStringProperty.value, 42);
-
-var descStringElement = Object.getOwnPropertyDescriptor(a, '10');
-assertTrue(descStringElement.enumerable);
-assertTrue(descStringElement.configurable);
-assertTrue(descStringElement.writable);
-assertEquals(descStringElement.value, 'foo');
-
-// Test that elements in the prototype chain is not returned.
-var proto = {};
-proto[10] = 42;
-
-var objWithProto = new Array();
-objWithProto.prototype = proto;
-objWithProto[0] = 'bar';
-var descWithProto = Object.getOwnPropertyDescriptor(objWithProto, '10');
-assertEquals(undefined, descWithProto);
-
-// Test elements on global proxy object.
-var global = (function() { return this; })();
-
-global[42] = 42;
-
-function el_getter() { return 239; };
-function el_setter() {};
-Object.defineProperty(global, '239', {get: el_getter, set: el_setter});
-
-var descRegularElement = Object.getOwnPropertyDescriptor(global, '42');
-assertEquals(42, descRegularElement.value);
-
-var descAccessorElement = Object.getOwnPropertyDescriptor(global, '239');
-assertEquals(el_getter, descAccessorElement.get);
-assertEquals(el_setter, descAccessorElement.set);