зеркало из https://github.com/mozilla/gecko-dev.git
98 строки
2.4 KiB
C++
98 строки
2.4 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 "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);
|
|
}
|