Sweden-Number/dlls/shcore/tests/shcore.c

139 lines
3.7 KiB
C

/*
* Copyright 2018 Nikolay Sivov for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define COBJMACROS
#include <stdarg.h>
#include <windows.h>
#include "initguid.h"
#include "objidl.h"
#include "wine/test.h"
static HRESULT (WINAPI *pGetProcessReference)(IUnknown **);
static void (WINAPI *pSetProcessReference)(IUnknown *);
static HRESULT (WINAPI *pSHGetInstanceExplorer)(IUnknown **);
static void init(HMODULE hshcore)
{
#define X(f) p##f = (void*)GetProcAddress(hshcore, #f)
X(GetProcessReference);
X(SetProcessReference);
#undef X
}
static HRESULT WINAPI unk_QI(IUnknown *iface, REFIID riid, void **obj)
{
if (IsEqualIID(riid, &IID_IUnknown))
{
*obj = iface;
IUnknown_AddRef(iface);
return S_OK;
}
*obj = NULL;
return E_NOINTERFACE;
}
struct test_unk
{
IUnknown IUnknown_iface;
LONG refcount;
};
static struct test_unk *impl_from_IUnknown(IUnknown *iface)
{
return CONTAINING_RECORD(iface, struct test_unk, IUnknown_iface);
}
static ULONG WINAPI unk_AddRef(IUnknown *iface)
{
struct test_unk *obj = impl_from_IUnknown(iface);
return InterlockedIncrement(&obj->refcount);
}
static ULONG WINAPI unk_Release(IUnknown *iface)
{
struct test_unk *obj = impl_from_IUnknown(iface);
return InterlockedDecrement(&obj->refcount);
}
static const IUnknownVtbl testunkvtbl =
{
unk_QI,
unk_AddRef,
unk_Release,
};
static void test_unk_init(struct test_unk *testunk)
{
testunk->IUnknown_iface.lpVtbl = &testunkvtbl;
testunk->refcount = 1;
}
static void test_process_reference(void)
{
struct test_unk test_unk, test_unk2;
IUnknown *obj;
HMODULE hmod;
HRESULT hr;
obj = (void *)0xdeadbeef;
hr = pGetProcessReference(&obj);
ok(hr == E_FAIL, "Unexpected hr %#x.\n", hr);
ok(obj == NULL, "Unexpected pointer.\n");
test_unk_init(&test_unk);
test_unk_init(&test_unk2);
pSetProcessReference(&test_unk.IUnknown_iface);
ok(test_unk.refcount == 1, "Unexpected refcount %u.\n", test_unk.refcount);
pSetProcessReference(&test_unk2.IUnknown_iface);
ok(test_unk.refcount == 1, "Unexpected refcount %u.\n", test_unk.refcount);
ok(test_unk2.refcount == 1, "Unexpected refcount %u.\n", test_unk2.refcount);
hr = pGetProcessReference(&obj);
ok(hr == S_OK, "Failed to get reference, hr %#x.\n", hr);
ok(obj == &test_unk2.IUnknown_iface, "Unexpected pointer.\n");
ok(test_unk2.refcount == 2, "Unexpected refcount %u.\n", test_unk2.refcount);
hmod = LoadLibraryA("shell32.dll");
pSHGetInstanceExplorer = (void *)GetProcAddress(hmod, "SHGetInstanceExplorer");
hr = pSHGetInstanceExplorer(&obj);
ok(hr == S_OK, "Failed to get reference, hr %#x.\n", hr);
ok(obj == &test_unk2.IUnknown_iface, "Unexpected pointer.\n");
ok(test_unk2.refcount == 3, "Unexpected refcount %u.\n", test_unk2.refcount);
}
START_TEST(shcore)
{
HMODULE hshcore = LoadLibraryA("shcore.dll");
if (!hshcore)
{
win_skip("Shcore.dll is not available.\n");
return;
}
init(hshcore);
test_process_reference();
}