зеркало из https://github.com/mozilla/gecko-dev.git
142 строки
3.6 KiB
C++
142 строки
3.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include <windows.h>
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#include <unknwn.h>
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#include <stdio.h>
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#include "nsISupports.h"
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#include "nsIFactory.h"
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// unknwn.h is needed to build with WIN32_LEAN_AND_MEAN
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#include <unknwn.h>
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#include "gtest/gtest.h"
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// {5846BA30-B856-11d1-A98A-00805F8A7AC4}
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#define NS_ITEST_COM_IID \
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{ \
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0x5846ba30, 0xb856, 0x11d1, { \
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0xa9, 0x8a, 0x0, 0x80, 0x5f, 0x8a, 0x7a, 0xc4 \
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} \
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}
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class nsITestCom : public nsISupports {
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public:
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_ITEST_COM_IID)
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NS_IMETHOD Test() = 0;
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(nsITestCom, NS_ITEST_COM_IID)
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/*
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* nsTestCom
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*/
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class nsTestCom final : public nsITestCom {
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NS_DECL_ISUPPORTS
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public:
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nsTestCom() {}
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NS_IMETHOD Test() override { return NS_OK; }
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static int sDestructions;
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private:
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~nsTestCom() { sDestructions++; }
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};
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int nsTestCom::sDestructions;
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NS_IMPL_QUERY_INTERFACE(nsTestCom, nsITestCom)
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MozExternalRefCountType nsTestCom::AddRef() {
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nsrefcnt res = ++mRefCnt;
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NS_LOG_ADDREF(this, mRefCnt, "nsTestCom", sizeof(*this));
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return res;
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}
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MozExternalRefCountType nsTestCom::Release() {
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nsrefcnt res = --mRefCnt;
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NS_LOG_RELEASE(this, mRefCnt, "nsTestCom");
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if (res == 0) {
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delete this;
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}
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return res;
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}
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class nsTestComFactory final : public nsIFactory {
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~nsTestComFactory() { sDestructions++; }
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NS_DECL_ISUPPORTS
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public:
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nsTestComFactory() {}
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NS_IMETHOD CreateInstance(nsISupports* aOuter, const nsIID& aIID,
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void** aResult);
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NS_IMETHOD LockFactory(bool aLock) override { return NS_OK; }
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static int sDestructions;
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};
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int nsTestComFactory::sDestructions;
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NS_IMPL_ISUPPORTS(nsTestComFactory, nsIFactory)
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nsresult nsTestComFactory::CreateInstance(nsISupports* aOuter,
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const nsIID& aIID, void** aResult) {
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if (aOuter != nullptr) {
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return NS_ERROR_NO_AGGREGATION;
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}
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nsTestCom* t = new nsTestCom();
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NS_ADDREF(t);
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nsresult res = t->QueryInterface(aIID, aResult);
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NS_RELEASE(t);
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return res;
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}
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TEST(TestCOM, WindowsInterop)
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{
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nsTestComFactory* inst = new nsTestComFactory();
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// Test we can QI nsIFactory to an IClassFactory.
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IClassFactory* iFactory = nullptr;
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nsresult rv = inst->QueryInterface(NS_GET_IID(nsIFactory), (void**)&iFactory);
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ASSERT_TRUE(NS_SUCCEEDED(rv));
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ASSERT_TRUE(iFactory);
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// Test we can CreateInstance with an IUnknown.
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IUnknown* iUnknown = nullptr;
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HRESULT hr = iFactory->LockServer(TRUE);
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ASSERT_TRUE(SUCCEEDED(hr));
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hr = iFactory->CreateInstance(nullptr, IID_IUnknown, (void**)&iUnknown);
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ASSERT_TRUE(SUCCEEDED(hr));
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ASSERT_TRUE(iUnknown);
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hr = iFactory->LockServer(FALSE);
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ASSERT_TRUE(SUCCEEDED(hr));
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// Test we can QI an IUnknown to nsITestCom.
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nsITestCom* iTestCom = nullptr;
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GUID testGUID = NS_ITEST_COM_IID;
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hr = iUnknown->QueryInterface(testGUID, (void**)&iTestCom);
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ASSERT_TRUE(SUCCEEDED(hr));
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ASSERT_TRUE(iTestCom);
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// Make sure we can call our test function (and the pointer is valid).
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rv = iTestCom->Test();
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ASSERT_TRUE(NS_SUCCEEDED(rv));
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iUnknown->Release();
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iTestCom->Release();
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iFactory->Release();
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ASSERT_EQ(nsTestComFactory::sDestructions, 1);
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ASSERT_EQ(nsTestCom::sDestructions, 1);
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}
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