gecko-dev/xpcom/tests/windows/TestCOM.cpp
Gregory Szorc b19cc22cce Bug 1257410 - Use %p and cast in printf to avoid C4477 on VS2015; r=khuey
MozReview-Commit-ID: 21XrhzPiJFQ

--HG--
extra : rebase_source : a9375998fcf663bf2b285cc2105778836eedffa8
2016-03-21 14:19:18 -07:00

149 lines
3.1 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 <windows.h>
#include <unknwn.h>
#include <stdio.h>
#include "nsISupports.h"
#include "nsIFactory.h"
// unknwn.h is needed to build with WIN32_LEAN_AND_MEAN
#include <unknwn.h>
// {5846BA30-B856-11d1-A98A-00805F8A7AC4}
#define NS_ITEST_COM_IID \
{ 0x5846ba30, 0xb856, 0x11d1, \
{ 0xa9, 0x8a, 0x0, 0x80, 0x5f, 0x8a, 0x7a, 0xc4 } }
class nsITestCom: public nsISupports
{
public:
NS_DECLARE_STATIC_IID_ACCESSOR(NS_ITEST_COM_IID)
NS_IMETHOD Test() = 0;
};
NS_DEFINE_STATIC_IID_ACCESSOR(nsITestCom, NS_ITEST_COM_IID)
/*
* nsTestCom
*/
class nsTestCom final : public nsITestCom {
NS_DECL_ISUPPORTS
public:
nsTestCom() {
}
NS_IMETHOD Test() {
printf("Accessed nsITestCom::Test() from COM\n");
return NS_OK;
}
private:
~nsTestCom() {
printf("nsTestCom instance successfully deleted\n");
}
};
NS_IMPL_QUERY_INTERFACE(nsTestCom, nsITestCom)
MozExternalRefCountType nsTestCom::AddRef()
{
nsrefcnt res = ++mRefCnt;
NS_LOG_ADDREF(this, mRefCnt, "nsTestCom", sizeof(*this));
printf("nsTestCom: Adding ref = %p\n", (void *)res);
return res;
}
MozExternalRefCountType nsTestCom::Release()
{
nsrefcnt res = --mRefCnt;
NS_LOG_RELEASE(this, mRefCnt, "nsTestCom");
printf("nsTestCom: Releasing = %p\n", (void *)res);
if (res == 0) {
delete this;
}
return res;
}
class nsTestComFactory final : public nsIFactory {
~nsTestComFactory() {}
NS_DECL_ISUPPORTS
public:
nsTestComFactory() {
}
NS_IMETHOD CreateInstance(nsISupports *aOuter,
const nsIID &aIID,
void **aResult);
NS_IMETHOD LockFactory(bool aLock) {
printf("nsTestComFactory: ");
printf("%s", (aLock ? "Locking server" : "Unlocking server"));
printf("\n");
return NS_OK;
}
};
NS_IMPL_ISUPPORTS(nsTestComFactory, nsIFactory)
nsresult nsTestComFactory::CreateInstance(nsISupports *aOuter,
const nsIID &aIID,
void **aResult)
{
if (aOuter != nullptr) {
return NS_ERROR_NO_AGGREGATION;
}
nsTestCom *t = new nsTestCom();
if (t == nullptr) {
return NS_ERROR_OUT_OF_MEMORY;
}
NS_ADDREF(t);
nsresult res = t->QueryInterface(aIID, aResult);
NS_RELEASE(t);
if (NS_SUCCEEDED(res)) {
printf("nsTestComFactory: successfully created nsTestCom instance\n");
}
return res;
}
/*
* main
*/
int main(int argc, char *argv[])
{
nsTestComFactory *inst = new nsTestComFactory();
IClassFactory *iFactory;
inst->QueryInterface(NS_GET_IID(nsIFactory), (void **) &iFactory);
IUnknown *iUnknown;
nsITestCom *iTestCom;
iFactory->LockServer(TRUE);
iFactory->CreateInstance(nullptr, IID_IUnknown, (void **) &iUnknown);
iFactory->LockServer(FALSE);
GUID testGUID = NS_ITEST_COM_IID;
HRESULT hres;
hres= iUnknown->QueryInterface(testGUID,
(void **) &iTestCom);
iTestCom->Test();
iUnknown->Release();
iTestCom->Release();
iFactory->Release();
return 0;
}