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/* -*- 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 "nsCOMPtr.h"
#include "mozilla/gtest/MozAssertions.h"
#include "mozilla/RefPtr.h"
// unknwn.h is needed to build with WIN32_LEAN_AND_MEAN
#include <unknwn.h>
#include "gtest/gtest.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() override { return NS_OK; }
static int sDestructions;
private:
~nsTestCom() { sDestructions++; }
};
int nsTestCom::sDestructions;
NS_IMPL_QUERY_INTERFACE(nsTestCom, nsITestCom)
MozExternalRefCountType nsTestCom::AddRef() {
nsrefcnt res = ++mRefCnt;
NS_LOG_ADDREF(this, mRefCnt, "nsTestCom", sizeof(*this));
return res;
}
MozExternalRefCountType nsTestCom::Release() {
nsrefcnt res = --mRefCnt;
NS_LOG_RELEASE(this, mRefCnt, "nsTestCom");
if (res == 0) {
delete this;
}
return res;
}
TEST(TestCOM, WindowsInterop)
{
// Test that we can QI an nsITestCom to an IUnknown.
RefPtr<nsTestCom> t = new nsTestCom();
IUnknown* iUnknown = nullptr;
nsresult rv = t->QueryInterface(NS_GET_IID(nsISupports), (void**)&iUnknown);
ASSERT_NS_SUCCEEDED(rv);
ASSERT_TRUE(iUnknown);
// Test we can QI an IUnknown to nsITestCom.
nsCOMPtr<nsITestCom> iTestCom;
GUID testGUID = NS_ITEST_COM_IID;
HRESULT hr = iUnknown->QueryInterface(testGUID, getter_AddRefs(iTestCom));
ASSERT_TRUE(SUCCEEDED(hr));
ASSERT_TRUE(iTestCom);
// Make sure we can call our test function (and the pointer is valid).
rv = iTestCom->Test();
ASSERT_NS_SUCCEEDED(rv);
iUnknown->Release();
iTestCom = nullptr;
t = nullptr;
ASSERT_EQ(nsTestCom::sDestructions, 1);
}
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