| // Copyright 2009 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 regression includes a number of cases where we did not correctly |
| // update a accessor property to a data property using Object.defineProperty. |
| |
| var obj = { get value() {}, set value (v) { throw "Error";} }; |
| assertDoesNotThrow( |
| Object.defineProperty(obj, "value", |
| { value: 5, writable:true, configurable: true })); |
| var desc = Object.getOwnPropertyDescriptor(obj, "value"); |
| assertEquals(obj.value, 5); |
| assertTrue(desc.configurable); |
| assertTrue(desc.enumerable); |
| assertTrue(desc.writable); |
| assertEquals(desc.get, undefined); |
| assertEquals(desc.set, undefined); |
| |
| |
| var proto = { |
| get value() {}, |
| set value(v) { Object.defineProperty(this, "value", {value: v}); } |
| }; |
| |
| var create = Object.create(proto); |
| |
| assertEquals(create.value, undefined); |
| assertDoesNotThrow(create.value = 4); |
| assertEquals(create.value, 4); |
| |
| // These tests where provided in bug 959, but are all related to the this issue. |
| var obj1 = {}; |
| Object.defineProperty(obj1, 'p', {get: undefined, set: undefined}); |
| assertTrue("p" in obj1); |
| desc = Object.getOwnPropertyDescriptor(obj1, "p"); |
| assertFalse(desc.configurable); |
| assertFalse(desc.enumerable); |
| assertEquals(desc.value, undefined); |
| assertEquals(desc.get, undefined); |
| assertEquals(desc.set, undefined); |
| |
| |
| var obj2 = { get p() {}}; |
| Object.defineProperty(obj2, 'p', {get: undefined}) |
| assertTrue("p" in obj2); |
| desc = Object.getOwnPropertyDescriptor(obj2, "p"); |
| assertTrue(desc.configurable); |
| assertTrue(desc.enumerable); |
| assertEquals(desc.value, undefined); |
| assertEquals(desc.get, undefined); |
| assertEquals(desc.set, undefined); |