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comparison: js/src/jsapi-tests/testBug604087.cpp
js/src/jsapi-tests/testBug604087.cpp
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| 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- | |
| 2 * vim: set ts=8 sts=4 et sw=4 tw=99: | |
| 3 * | |
| 4 * Tests JS_TransplantObject | |
| 5 */ | |
| 6 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 7 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 8 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 9 | |
| 10 #include "jsobj.h" | |
| 11 #include "jswrapper.h" | |
| 12 | |
| 13 #include "jsapi-tests/tests.h" | |
| 14 | |
| 15 #include "vm/ProxyObject.h" | |
| 16 | |
| 17 const js::Class OuterWrapperClass = | |
| 18 PROXY_CLASS_WITH_EXT( | |
| 19 "Proxy", | |
| 20 0, /* additional slots */ | |
| 21 0, /* additional class flags */ | |
| 22 nullptr, /* call */ | |
| 23 nullptr, /* construct */ | |
| 24 PROXY_MAKE_EXT( | |
| 25 nullptr, /* outerObject */ | |
| 26 js::proxy_innerObject, | |
| 27 nullptr, /* iteratorObject */ | |
| 28 false /* isWrappedNative */ | |
| 29 )); | |
| 30 | |
| 31 static JSObject * | |
| 32 wrap(JSContext *cx, JS::HandleObject toWrap, JS::HandleObject target) | |
| 33 { | |
| 34 JSAutoCompartment ac(cx, target); | |
| 35 JS::RootedObject wrapper(cx, toWrap); | |
| 36 if (!JS_WrapObject(cx, &wrapper)) | |
| 37 return nullptr; | |
| 38 return wrapper; | |
| 39 } | |
| 40 | |
| 41 static JSObject * | |
| 42 PreWrap(JSContext *cx, JS::HandleObject scope, JS::HandleObject obj, unsigned flags) | |
| 43 { | |
| 44 JS_GC(JS_GetRuntime(cx)); | |
| 45 return obj; | |
| 46 } | |
| 47 | |
| 48 static JSObject * | |
| 49 Wrap(JSContext *cx, JS::HandleObject existing, JS::HandleObject obj, | |
| 50 JS::HandleObject proto, JS::HandleObject parent, unsigned flags) | |
| 51 { | |
| 52 return js::Wrapper::New(cx, obj, parent, &js::CrossCompartmentWrapper::singleton); | |
| 53 } | |
| 54 | |
| 55 static const JSWrapObjectCallbacks WrapObjectCallbacks = { | |
| 56 Wrap, | |
| 57 PreWrap | |
| 58 }; | |
| 59 | |
| 60 BEGIN_TEST(testBug604087) | |
| 61 { | |
| 62 js::WrapperOptions options; | |
| 63 options.setClass(&OuterWrapperClass); | |
| 64 options.setSingleton(true); | |
| 65 JS::RootedObject outerObj(cx, js::Wrapper::New(cx, global, global, &js::Wrapper::singleton, &options)); | |
| 66 JS::RootedObject compartment2(cx, JS_NewGlobalObject(cx, getGlobalClass(), nullptr, JS::FireOnNewGlobalHook)); | |
| 67 JS::RootedObject compartment3(cx, JS_NewGlobalObject(cx, getGlobalClass(), nullptr, JS::FireOnNewGlobalHook)); | |
| 68 JS::RootedObject compartment4(cx, JS_NewGlobalObject(cx, getGlobalClass(), nullptr, JS::FireOnNewGlobalHook)); | |
| 69 | |
| 70 JS::RootedObject c2wrapper(cx, wrap(cx, outerObj, compartment2)); | |
| 71 CHECK(c2wrapper); | |
| 72 c2wrapper->as<js::ProxyObject>().setExtra(0, js::Int32Value(2)); | |
| 73 | |
| 74 JS::RootedObject c3wrapper(cx, wrap(cx, outerObj, compartment3)); | |
| 75 CHECK(c3wrapper); | |
| 76 c3wrapper->as<js::ProxyObject>().setExtra(0, js::Int32Value(3)); | |
| 77 | |
| 78 JS::RootedObject c4wrapper(cx, wrap(cx, outerObj, compartment4)); | |
| 79 CHECK(c4wrapper); | |
| 80 c4wrapper->as<js::ProxyObject>().setExtra(0, js::Int32Value(4)); | |
| 81 compartment4 = c4wrapper = nullptr; | |
| 82 | |
| 83 JS::RootedObject next(cx); | |
| 84 { | |
| 85 JSAutoCompartment ac(cx, compartment2); | |
| 86 next = js::Wrapper::New(cx, compartment2, compartment2, &js::Wrapper::singleton, &options); | |
| 87 CHECK(next); | |
| 88 } | |
| 89 | |
| 90 JS_SetWrapObjectCallbacks(JS_GetRuntime(cx), &WrapObjectCallbacks); | |
| 91 CHECK(JS_TransplantObject(cx, outerObj, next)); | |
| 92 return true; | |
| 93 } | |
| 94 END_TEST(testBug604087) |
