Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1 | // Copyright 2012 the V8 project authors. All rights reserved. |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 28 | // Flags: --expose-gc |
Steve Block | 1e0659c | 2011-05-24 12:43:12 +0100 | [diff] [blame] | 29 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 30 | // Handy abbreviation. |
| 31 | var dp = Object.defineProperty; |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 32 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 33 | function getter() { return 111; } |
| 34 | function setter(x) { print(222); } |
| 35 | function anotherGetter() { return 333; } |
| 36 | function anotherSetter(x) { print(444); } |
| 37 | var obj1, obj2; |
Ben Murdoch | 85b7179 | 2012-04-11 18:30:58 +0100 | [diff] [blame] | 38 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 39 | // obj1 and obj2 share the getter accessor. |
| 40 | obj1 = {}; |
| 41 | dp(obj1, "alpha", { get: getter, set: setter }); |
| 42 | obj2 = {} |
| 43 | dp(obj2, "alpha", { get: getter }); |
| 44 | obj1 = {}; |
| 45 | assertEquals(111, obj2.alpha); |
| 46 | gc(); |
| 47 | assertEquals(111, obj2.alpha); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 48 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 49 | // obj1, obj2, and obj3 share the getter accessor. |
| 50 | obj1 = {}; |
| 51 | dp(obj1, "alpha", { get: getter, set: setter }); |
| 52 | obj2 = {} |
| 53 | dp(obj2, "alpha", { get: getter }); |
| 54 | obj1 = {}; |
| 55 | gc(); |
| 56 | obj3 = {} |
| 57 | dp(obj3, "alpha", { get: getter }); |
| 58 | |
| 59 | |
| 60 | // obj1 and obj2 share the getter and setter accessor. |
| 61 | obj1 = {}; |
| 62 | dp(obj1, "alpha", { get: getter, set: setter }); |
| 63 | obj1.beta = 10; |
| 64 | obj2 = {} |
| 65 | dp(obj2, "alpha", { get: getter, set: setter }); |
| 66 | obj1 = {}; |
| 67 | assertEquals(111, obj2.alpha); |
| 68 | gc(); |
| 69 | obj2.alpha = 100 |
| 70 | assertEquals(111, obj2.alpha); |