mirror of
https://github.com/classilla/tenfourfox.git
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93 lines
2.9 KiB
C++
93 lines
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: set ts=8 sts=4 et sw=4 tw=99:
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*/
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#include "jsfriendapi.h"
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#include "js/Proxy.h"
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#include "jsapi-tests/tests.h"
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using namespace js;
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using namespace JS;
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class CustomProxyHandler : public DirectProxyHandler {
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public:
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CustomProxyHandler() : DirectProxyHandler(nullptr) {}
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bool getPropertyDescriptor(JSContext* cx, HandleObject proxy, HandleId id,
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MutableHandle<JSPropertyDescriptor> desc) const override
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{
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return impl(cx, proxy, id, desc, false);
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}
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bool getOwnPropertyDescriptor(JSContext* cx, HandleObject proxy, HandleId id,
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MutableHandle<JSPropertyDescriptor> desc) const override
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{
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return impl(cx, proxy, id, desc, true);
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}
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bool set(JSContext* cx, HandleObject proxy, HandleId id, HandleValue v, HandleValue receiver,
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ObjectOpResult& result) const override
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{
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Rooted<JSPropertyDescriptor> desc(cx);
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if (!DirectProxyHandler::getPropertyDescriptor(cx, proxy, id, &desc))
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return false;
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return SetPropertyIgnoringNamedGetter(cx, proxy, id, v, receiver, desc, result);
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}
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private:
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bool impl(JSContext* cx, HandleObject proxy, HandleId id,
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MutableHandle<JSPropertyDescriptor> desc, bool ownOnly) const
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{
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if (JSID_IS_STRING(id)) {
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bool match;
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if (!JS_StringEqualsAscii(cx, JSID_TO_STRING(id), "phantom", &match))
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return false;
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if (match) {
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desc.object().set(proxy);
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desc.attributesRef() = JSPROP_ENUMERATE;
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desc.value().setInt32(42);
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return true;
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}
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}
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if (ownOnly)
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return DirectProxyHandler::getOwnPropertyDescriptor(cx, proxy, id, desc);
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return DirectProxyHandler::getPropertyDescriptor(cx, proxy, id, desc);
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}
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};
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const CustomProxyHandler customProxyHandler;
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BEGIN_TEST(testSetPropertyIgnoringNamedGetter_direct)
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{
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RootedValue protov(cx);
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EVAL("Object.prototype", &protov);
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RootedValue targetv(cx);
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EVAL("({})", &targetv);
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RootedObject proxyObj(cx, NewProxyObject(cx, &customProxyHandler, targetv,
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&protov.toObject(), ProxyOptions()));
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CHECK(proxyObj);
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CHECK(JS_DefineProperty(cx, global, "target", targetv, 0));
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CHECK(JS_DefineProperty(cx, global, "proxy", proxyObj, 0));
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RootedValue v(cx);
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EVAL("Object.getOwnPropertyDescriptor(proxy, 'phantom').value", &v);
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CHECK_SAME(v, Int32Value(42));
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EXEC("proxy.phantom = 123");
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EVAL("Object.getOwnPropertyDescriptor(proxy, 'phantom').value", &v);
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CHECK_SAME(v, Int32Value(42));
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EVAL("target.phantom", &v);
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CHECK_SAME(v, Int32Value(123));
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return true;
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}
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END_TEST(testSetPropertyIgnoringNamedGetter_direct)
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