| /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- |
| * vim: set ts=8 sts=4 et sw=4 tw=99: |
| */ |
| /* This Source Code Form is subject to the terms of the Mozilla Public |
| * License, v. 2.0. If a copy of the MPL was not distributed with this |
| * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| |
| |
| #include "tests.h" |
| |
| /* Do the test a bunch of times, because sometimes we seem to randomly |
| miss the propcache */ |
| static const int expectedCount = 100; |
| static int callCount = 0; |
| |
| static JSBool |
| addProperty(JSContext *cx, JS::HandleObject obj, JS::HandleId id, JS::MutableHandleValue vp) |
| { |
| callCount++; |
| return true; |
| } |
| |
| JSClass addPropertyClass = { |
| "AddPropertyTester", |
| 0, |
| addProperty, |
| JS_DeletePropertyStub, /* delProperty */ |
| JS_PropertyStub, /* getProperty */ |
| JS_StrictPropertyStub, /* setProperty */ |
| JS_EnumerateStub, |
| JS_ResolveStub, |
| JS_ConvertStub |
| }; |
| |
| BEGIN_TEST(testAddPropertyHook) |
| { |
| JS::RootedObject obj(cx, JS_NewObject(cx, NULL, NULL, NULL)); |
| CHECK(obj); |
| JS::RootedValue proto(cx, OBJECT_TO_JSVAL(obj)); |
| JS_InitClass(cx, global, obj, &addPropertyClass, NULL, 0, NULL, NULL, NULL, |
| NULL); |
| |
| obj = JS_NewArrayObject(cx, 0, NULL); |
| CHECK(obj); |
| JS::RootedValue arr(cx, OBJECT_TO_JSVAL(obj)); |
| |
| CHECK(JS_DefineProperty(cx, global, "arr", arr, |
| JS_PropertyStub, JS_StrictPropertyStub, |
| JSPROP_ENUMERATE)); |
| |
| for (int i = 0; i < expectedCount; ++i) { |
| obj = JS_NewObject(cx, &addPropertyClass, NULL, NULL); |
| CHECK(obj); |
| JS::RootedValue vobj(cx, OBJECT_TO_JSVAL(obj)); |
| JS::RootedObject arrObj(cx, JSVAL_TO_OBJECT(arr)); |
| CHECK(JS_DefineElement(cx, arrObj, i, vobj, |
| JS_PropertyStub, JS_StrictPropertyStub, |
| JSPROP_ENUMERATE)); |
| } |
| |
| // Now add a prop to each of the objects, but make sure to do |
| // so at the same bytecode location so we can hit the propcache. |
| EXEC("'use strict'; \n" |
| "for (var i = 0; i < arr.length; ++i) \n" |
| " arr[i].prop = 42; \n" |
| ); |
| |
| CHECK(callCount == expectedCount); |
| |
| return true; |
| } |
| END_TEST(testAddPropertyHook) |
| |