a85f4e4226
This ensures that we don't accidentally throw away getters and/or setters that are still needed. To make sure the bug gets triggered, we have to construct a situation where the map is on the live side of a live->non-live transition. This ensures that the map is passed to ClearNonLiveTransitions. BUG=v8:2163 TEST=test/mjsunit/regress/regress-2163.js Review URL: https://chromiumcodereview.appspot.com/10535004 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11713 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
177 lines
6.7 KiB
JavaScript
177 lines
6.7 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: --allow-natives-syntax
|
|
|
|
// Handy abbreviations.
|
|
var dp = Object.defineProperty;
|
|
var gop = Object.getOwnPropertyDescriptor;
|
|
|
|
function getter() { return 111; }
|
|
function setter(x) { print(222); }
|
|
function anotherGetter() { return 333; }
|
|
function anotherSetter(x) { print(444); }
|
|
var obj1, obj2;
|
|
|
|
// Two objects with the same getter.
|
|
obj1 = {};
|
|
dp(obj1, "alpha", { get: getter });
|
|
obj2 = {};
|
|
dp(obj2, "alpha", { get: getter });
|
|
assertTrue(%HaveSameMap(obj1, obj2));
|
|
|
|
// Two objects with the same getter, oldskool.
|
|
obj1 = {};
|
|
obj1.__defineGetter__("bravo", getter);
|
|
assertEquals(getter, obj1.__lookupGetter__("bravo"));
|
|
obj2 = {};
|
|
obj2.__defineGetter__("bravo", getter);
|
|
assertEquals(getter, obj2.__lookupGetter__("bravo"));
|
|
assertTrue(%HaveSameMap(obj1, obj2));
|
|
|
|
// Two objects with the same setter.
|
|
obj1 = {};
|
|
dp(obj1, "charlie", { set: setter });
|
|
obj2 = {};
|
|
dp(obj2, "charlie", { set: setter });
|
|
assertTrue(%HaveSameMap(obj1, obj2));
|
|
|
|
// Two objects with the same setter, oldskool.
|
|
obj1 = {};
|
|
obj1.__defineSetter__("delta", setter);
|
|
assertEquals(setter, obj1.__lookupSetter__("delta"));
|
|
obj2 = {};
|
|
obj2.__defineSetter__("delta", setter);
|
|
assertEquals(setter, obj2.__lookupSetter__("delta"));
|
|
assertTrue(%HaveSameMap(obj1, obj2));
|
|
|
|
// Two objects with the same getter and setter.
|
|
obj1 = {};
|
|
dp(obj1, "foxtrot", { get: getter, set: setter });
|
|
obj2 = {};
|
|
dp(obj2, "foxtrot", { get: getter, set: setter });
|
|
assertTrue(%HaveSameMap(obj1, obj2));
|
|
|
|
// Two objects with the same getter and setter, set separately.
|
|
obj1 = {};
|
|
dp(obj1, "golf", { get: getter, configurable: true });
|
|
dp(obj1, "golf", { set: setter, configurable: true });
|
|
obj2 = {};
|
|
dp(obj2, "golf", { get: getter, configurable: true });
|
|
dp(obj2, "golf", { set: setter, configurable: true });
|
|
assertTrue(%HaveSameMap(obj1, obj2));
|
|
|
|
// Two objects with the same getter and setter, set separately, oldskool.
|
|
obj1 = {};
|
|
obj1.__defineGetter__("hotel", getter);
|
|
obj1.__defineSetter__("hotel", setter);
|
|
obj2 = {};
|
|
obj2.__defineGetter__("hotel", getter);
|
|
obj2.__defineSetter__("hotel", setter);
|
|
assertTrue(%HaveSameMap(obj1, obj2));
|
|
|
|
// Attribute-only change, shouldn't affect previous descriptor properties.
|
|
obj1 = {};
|
|
dp(obj1, "india", { get: getter, configurable: true, enumerable: true });
|
|
assertEquals(getter, gop(obj1, "india").get);
|
|
assertTrue(gop(obj1, "india").configurable);
|
|
assertTrue(gop(obj1, "india").enumerable);
|
|
dp(obj1, "india", { enumerable: false });
|
|
assertEquals(getter, gop(obj1, "india").get);
|
|
assertTrue(gop(obj1, "india").configurable);
|
|
assertFalse(gop(obj1, "india").enumerable);
|
|
|
|
// Attribute-only change, shouldn't affect objects with previously shared maps.
|
|
obj1 = {};
|
|
dp(obj1, "juliet", { set: setter, configurable: true, enumerable: false });
|
|
assertEquals(setter, gop(obj1, "juliet").set);
|
|
assertTrue(gop(obj1, "juliet").configurable);
|
|
assertFalse(gop(obj1, "juliet").enumerable);
|
|
obj2 = {};
|
|
dp(obj2, "juliet", { set: setter, configurable: true, enumerable: false });
|
|
assertEquals(setter, gop(obj2, "juliet").set);
|
|
assertTrue(gop(obj2, "juliet").configurable);
|
|
assertFalse(gop(obj2, "juliet").enumerable);
|
|
dp(obj1, "juliet", { set: setter, configurable: false, enumerable: true });
|
|
assertEquals(setter, gop(obj1, "juliet").set);
|
|
assertFalse(gop(obj1, "juliet").configurable);
|
|
assertTrue(gop(obj1, "juliet").enumerable);
|
|
assertEquals(setter, gop(obj2, "juliet").set);
|
|
assertTrue(gop(obj2, "juliet").configurable);
|
|
assertFalse(gop(obj2, "juliet").enumerable);
|
|
|
|
// Two objects with the different getters.
|
|
obj1 = {};
|
|
dp(obj1, "kilo", { get: getter });
|
|
obj2 = {};
|
|
dp(obj2, "kilo", { get: anotherGetter });
|
|
assertEquals(getter, gop(obj1, "kilo").get);
|
|
assertEquals(anotherGetter, gop(obj2, "kilo").get);
|
|
assertFalse(%HaveSameMap(obj1, obj2));
|
|
|
|
// Two objects with the same getters and different setters.
|
|
obj1 = {};
|
|
dp(obj1, "lima", { get: getter, set: setter });
|
|
obj2 = {};
|
|
dp(obj2, "lima", { get: getter, set: anotherSetter });
|
|
assertEquals(setter, gop(obj1, "lima").set);
|
|
assertEquals(anotherSetter, gop(obj2, "lima").set);
|
|
assertFalse(%HaveSameMap(obj1, obj2));
|
|
|
|
// Even 'undefined' is a kind of getter.
|
|
obj1 = {};
|
|
dp(obj1, "mike", { get: undefined });
|
|
assertTrue("mike" in obj1);
|
|
assertEquals(undefined, gop(obj1, "mike").get);
|
|
assertEquals(undefined, obj1.__lookupGetter__("mike"));
|
|
assertEquals(undefined, gop(obj1, "mike").set);
|
|
assertEquals(undefined, obj1.__lookupSetter__("mike"));
|
|
|
|
// Even 'undefined' is a kind of setter.
|
|
obj1 = {};
|
|
dp(obj1, "november", { set: undefined });
|
|
assertTrue("november" in obj1);
|
|
assertEquals(undefined, gop(obj1, "november").get);
|
|
assertEquals(undefined, obj1.__lookupGetter__("november"));
|
|
assertEquals(undefined, gop(obj1, "november").set);
|
|
assertEquals(undefined, obj1.__lookupSetter__("november"));
|
|
|
|
// Redefining a data property.
|
|
obj1 = {};
|
|
obj1.oscar = 12345;
|
|
dp(obj1, "oscar", { set: setter });
|
|
assertEquals(setter, gop(obj1, "oscar").set);
|
|
|
|
// Re-adding the same getter/attributes pair.
|
|
obj1 = {};
|
|
dp(obj1, "papa", { get: getter, configurable: true });
|
|
dp(obj1, "papa", { get: getter, set: setter, configurable: true });
|
|
assertEquals(getter, gop(obj1, "papa").get);
|
|
assertEquals(setter, gop(obj1, "papa").set);
|
|
assertTrue(gop(obj1, "papa").configurable);
|
|
assertFalse(gop(obj1, "papa").enumerable);
|