Sweden-Number/dlls/ole32/tests/hglobalstream.c

95 lines
2.9 KiB
C

/*
* Stream on HGLOBAL Tests
*
* Copyright 2006 Robert Shearman (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 "windef.h"
#include "winbase.h"
#include "objbase.h"
#include "wine/test.h"
#define ok_ole_success(hr, func) ok(hr == S_OK, func " failed with error 0x%08x\n", hr)
static void test_streamonhglobal(IStream *pStream)
{
const char data[] = "Test String";
ULARGE_INTEGER ull;
LARGE_INTEGER ll;
char buffer[128];
ULONG read;
STATSTG statstg;
HRESULT hr;
ull.QuadPart = sizeof(data);
hr = IStream_SetSize(pStream, ull);
ok_ole_success(hr, "IStream_SetSize");
hr = IStream_Write(pStream, data, sizeof(data), NULL);
ok_ole_success(hr, "IStream_Write");
ll.QuadPart = 0;
hr = IStream_Seek(pStream, ll, STREAM_SEEK_SET, NULL);
ok_ole_success(hr, "IStream_Seek");
/* should return S_OK, not S_FALSE */
hr = IStream_Read(pStream, buffer, sizeof(buffer), &read);
ok_ole_success(hr, "IStream_Read");
ok(read == sizeof(data), "IStream_Read returned read %d\n", read);
/* ignores HighPart */
ull.u.HighPart = -1;
ull.u.LowPart = 0;
hr = IStream_SetSize(pStream, ull);
ok_ole_success(hr, "IStream_SetSize");
hr = IStream_Commit(pStream, STGC_DEFAULT);
ok_ole_success(hr, "IStream_Commit");
hr = IStream_Revert(pStream);
ok_ole_success(hr, "IStream_Revert");
hr = IStream_LockRegion(pStream, ull, ull, LOCK_WRITE);
ok(hr == STG_E_INVALIDFUNCTION, "IStream_LockRegion should have returned STG_E_INVALIDFUNCTION instead of 0x%08x\n", hr);
hr = IStream_Stat(pStream, &statstg, STATFLAG_DEFAULT);
ok_ole_success(hr, "IStream_Stat");
ok(statstg.type == STGTY_STREAM, "statstg.type should have been STGTY_STREAM instead of %d\n", statstg.type);
/* test OOM condition */
ull.u.HighPart = -1;
ull.u.LowPart = -1;
hr = IStream_SetSize(pStream, ull);
ok(hr == E_OUTOFMEMORY, "IStream_SetSize with large size should have returned E_OUTOFMEMORY instead of 0x%08x\n", hr);
}
START_TEST(hglobalstream)
{
HRESULT hr;
IStream *pStream;
hr = CreateStreamOnHGlobal(NULL, TRUE, &pStream);
ok_ole_success(hr, "CreateStreamOnHGlobal");
test_streamonhglobal(pStream);
}