js/src/jsapi-tests/testBug604087.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/jsapi-tests/testBug604087.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,94 @@
     1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
     1.5 + * vim: set ts=8 sts=4 et sw=4 tw=99:
     1.6 + *
     1.7 + * Tests JS_TransplantObject
     1.8 + */
     1.9 +/* This Source Code Form is subject to the terms of the Mozilla Public
    1.10 + * License, v. 2.0. If a copy of the MPL was not distributed with this
    1.11 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
    1.12 +
    1.13 +#include "jsobj.h"
    1.14 +#include "jswrapper.h"
    1.15 +
    1.16 +#include "jsapi-tests/tests.h"
    1.17 +
    1.18 +#include "vm/ProxyObject.h"
    1.19 +
    1.20 +const js::Class OuterWrapperClass =
    1.21 +    PROXY_CLASS_WITH_EXT(
    1.22 +        "Proxy",
    1.23 +        0, /* additional slots */
    1.24 +        0, /* additional class flags */
    1.25 +        nullptr, /* call */
    1.26 +        nullptr, /* construct */
    1.27 +        PROXY_MAKE_EXT(
    1.28 +            nullptr, /* outerObject */
    1.29 +            js::proxy_innerObject,
    1.30 +            nullptr, /* iteratorObject */
    1.31 +            false   /* isWrappedNative */
    1.32 +        ));
    1.33 +
    1.34 +static JSObject *
    1.35 +wrap(JSContext *cx, JS::HandleObject toWrap, JS::HandleObject target)
    1.36 +{
    1.37 +    JSAutoCompartment ac(cx, target);
    1.38 +    JS::RootedObject wrapper(cx, toWrap);
    1.39 +    if (!JS_WrapObject(cx, &wrapper))
    1.40 +        return nullptr;
    1.41 +    return wrapper;
    1.42 +}
    1.43 +
    1.44 +static JSObject *
    1.45 +PreWrap(JSContext *cx, JS::HandleObject scope, JS::HandleObject obj, unsigned flags)
    1.46 +{
    1.47 +    JS_GC(JS_GetRuntime(cx));
    1.48 +    return obj;
    1.49 +}
    1.50 +
    1.51 +static JSObject *
    1.52 +Wrap(JSContext *cx, JS::HandleObject existing, JS::HandleObject obj,
    1.53 +     JS::HandleObject proto, JS::HandleObject parent, unsigned flags)
    1.54 +{
    1.55 +    return js::Wrapper::New(cx, obj, parent, &js::CrossCompartmentWrapper::singleton);
    1.56 +}
    1.57 +
    1.58 +static const JSWrapObjectCallbacks WrapObjectCallbacks = {
    1.59 +    Wrap,
    1.60 +    PreWrap
    1.61 +};
    1.62 +
    1.63 +BEGIN_TEST(testBug604087)
    1.64 +{
    1.65 +    js::WrapperOptions options;
    1.66 +    options.setClass(&OuterWrapperClass);
    1.67 +    options.setSingleton(true);
    1.68 +    JS::RootedObject outerObj(cx, js::Wrapper::New(cx, global, global, &js::Wrapper::singleton, &options));
    1.69 +    JS::RootedObject compartment2(cx, JS_NewGlobalObject(cx, getGlobalClass(), nullptr, JS::FireOnNewGlobalHook));
    1.70 +    JS::RootedObject compartment3(cx, JS_NewGlobalObject(cx, getGlobalClass(), nullptr, JS::FireOnNewGlobalHook));
    1.71 +    JS::RootedObject compartment4(cx, JS_NewGlobalObject(cx, getGlobalClass(), nullptr, JS::FireOnNewGlobalHook));
    1.72 +
    1.73 +    JS::RootedObject c2wrapper(cx, wrap(cx, outerObj, compartment2));
    1.74 +    CHECK(c2wrapper);
    1.75 +    c2wrapper->as<js::ProxyObject>().setExtra(0, js::Int32Value(2));
    1.76 +
    1.77 +    JS::RootedObject c3wrapper(cx, wrap(cx, outerObj, compartment3));
    1.78 +    CHECK(c3wrapper);
    1.79 +    c3wrapper->as<js::ProxyObject>().setExtra(0, js::Int32Value(3));
    1.80 +
    1.81 +    JS::RootedObject c4wrapper(cx, wrap(cx, outerObj, compartment4));
    1.82 +    CHECK(c4wrapper);
    1.83 +    c4wrapper->as<js::ProxyObject>().setExtra(0, js::Int32Value(4));
    1.84 +    compartment4 = c4wrapper = nullptr;
    1.85 +
    1.86 +    JS::RootedObject next(cx);
    1.87 +    {
    1.88 +        JSAutoCompartment ac(cx, compartment2);
    1.89 +        next = js::Wrapper::New(cx, compartment2, compartment2, &js::Wrapper::singleton, &options);
    1.90 +        CHECK(next);
    1.91 +    }
    1.92 +
    1.93 +    JS_SetWrapObjectCallbacks(JS_GetRuntime(cx), &WrapObjectCallbacks);
    1.94 +    CHECK(JS_TransplantObject(cx, outerObj, next));
    1.95 +    return true;
    1.96 +}
    1.97 +END_TEST(testBug604087)

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