71 lines
2.5 KiB
JavaScript
71 lines
2.5 KiB
JavaScript
|
// Copyright 2012 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.
|
||
|
|
|
||
|
|
// Flags: --expose-gc
|
||
|
|
|
||
|
|
// Handy abbreviation.
|
||
|
|
var dp = Object.defineProperty;
|
||
|
|
|
||
|
|
function getter() { return 111; }
|
||
|
|
function setter(x) { print(222); }
|
||
|
|
function anotherGetter() { return 333; }
|
||
|
|
function anotherSetter(x) { print(444); }
|
||
|
|
var obj1, obj2;
|
||
|
|
|
||
|
|
// obj1 and obj2 share the getter accessor.
|
||
|
|
obj1 = {};
|
||
|
|
dp(obj1, "alpha", { get: getter, set: setter });
|
||
|
|
obj2 = {}
|
||
|
|
dp(obj2, "alpha", { get: getter });
|
||
|
|
obj1 = {};
|
||
|
|
assertEquals(111, obj2.alpha);
|
||
|
|
gc();
|
||
|
|
assertEquals(111, obj2.alpha);
|
||
|
|
|
||
|
|
// obj1, obj2, and obj3 share the getter accessor.
|
||
|
|
obj1 = {};
|
||
|
|
dp(obj1, "alpha", { get: getter, set: setter });
|
||
|
|
obj2 = {}
|
||
|
|
dp(obj2, "alpha", { get: getter });
|
||
|
|
obj1 = {};
|
||
|
|
gc();
|
||
|
|
obj3 = {}
|
||
|
|
dp(obj3, "alpha", { get: getter });
|
||
|
|
|
||
|
|
|
||
|
|
// obj1 and obj2 share the getter and setter accessor.
|
||
|
|
obj1 = {};
|
||
|
|
dp(obj1, "alpha", { get: getter, set: setter });
|
||
|
|
obj1.beta = 10;
|
||
|
|
obj2 = {}
|
||
|
|
dp(obj2, "alpha", { get: getter, set: setter });
|
||
|
|
obj1 = {};
|
||
|
|
assertEquals(111, obj2.alpha);
|
||
|
|
gc();
|
||
|
|
obj2.alpha = 100
|
||
|
|
assertEquals(111, obj2.alpha);
|