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

706 lines
25 KiB
C

/*
* Stream on HGLOBAL Tests
*
* Copyright 2006 Robert Shearman (for CodeWeavers)
* Copyright 2016 Dmitry Timoshkov
*
* 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 char const * const *expected_method_list;
#define CHECK_EXPECTED_METHOD(method_name) \
do { \
ok(*expected_method_list != NULL, "Extra method %s called\n", method_name); \
if (*expected_method_list) \
{ \
ok(!strcmp(*expected_method_list, method_name), "Expected %s to be called instead of %s\n", \
*expected_method_list, method_name); \
expected_method_list++; \
} \
} while(0)
static void test_streamonhglobal(void)
{
const char data[] = "Test String";
ULARGE_INTEGER ull;
IStream *pStream;
LARGE_INTEGER ll;
char buffer[128];
ULONG read;
STATSTG statstg;
HRESULT hr;
hr = CreateStreamOnHGlobal(NULL, TRUE, &pStream);
ok(hr == S_OK, "Failed to create a stream, hr %#x.\n", 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");
/* IStream_Seek -- NULL position argument */
ll.u.HighPart = 0;
ll.u.LowPart = 0;
hr = IStream_Seek(pStream, ll, STREAM_SEEK_CUR, NULL);
ok_ole_success(hr, "IStream_Seek");
/* IStream_Seek -- valid position argument (seek from current position) */
ull.u.HighPart = 0xCAFECAFE;
ull.u.LowPart = 0xCAFECAFE;
ll.u.HighPart = 0;
ll.u.LowPart = 0;
hr = IStream_Seek(pStream, ll, STREAM_SEEK_CUR, &ull);
ok_ole_success(hr, "IStream_Seek");
ok(ull.u.LowPart == sizeof(data), "LowPart set to %d\n", ull.u.LowPart);
ok(ull.u.HighPart == 0, "should have set HighPart to 0 instead of %d\n", ull.u.HighPart);
/* IStream_Seek -- invalid seek argument */
ull.u.HighPart = 0xCAFECAFE;
ull.u.LowPart = 0xCAFECAFE;
ll.u.HighPart = 0;
ll.u.LowPart = 123;
hr = IStream_Seek(pStream, ll, STREAM_SEEK_END+1, &ull);
ok(hr == STG_E_SEEKERROR, "IStream_Seek should have returned STG_E_SEEKERROR instead of 0x%08x\n", hr);
ok(ull.u.LowPart == sizeof(data), "LowPart set to %d\n", ull.u.LowPart);
ok(ull.u.HighPart == 0, "should not have changed HighPart, got %d\n", ull.u.HighPart);
/* IStream_Seek -- valid position argument (seek to beginning) */
ull.u.HighPart = 0xCAFECAFE;
ull.u.LowPart = 0xCAFECAFE;
ll.u.HighPart = 0;
ll.u.LowPart = 0;
hr = IStream_Seek(pStream, ll, STREAM_SEEK_SET, &ull);
ok_ole_success(hr, "IStream_Seek");
ok(ull.u.LowPart == 0, "should have set LowPart to 0 instead of %d\n", ull.u.LowPart);
ok(ull.u.HighPart == 0, "should have set HighPart to 0 instead of %d\n", ull.u.HighPart);
/* IStream_Seek -- valid position argument (seek to end) */
ull.u.HighPart = 0xCAFECAFE;
ull.u.LowPart = 0xCAFECAFE;
ll.u.HighPart = 0;
ll.u.LowPart = 0;
hr = IStream_Seek(pStream, ll, STREAM_SEEK_END, &ull);
ok_ole_success(hr, "IStream_Seek");
ok(ull.u.LowPart == 0, "should have set LowPart to 0 instead of %d\n", ull.u.LowPart);
ok(ull.u.HighPart == 0, "should have set HighPart to 0 instead of %d\n", ull.u.HighPart);
/* IStream_Seek -- ignore HighPart in the move value (seek from current position) */
ll.u.HighPart = 0;
ll.u.LowPart = sizeof(data);
hr = IStream_Seek(pStream, ll, STREAM_SEEK_SET, &ull);
ok_ole_success(hr, "IStream_Seek");
ull.u.HighPart = 0xCAFECAFE;
ull.u.LowPart = 0xCAFECAFE;
ll.u.HighPart = -1;
ll.u.LowPart = 0;
hr = IStream_Seek(pStream, ll, STREAM_SEEK_CUR, &ull);
ok_ole_success(hr, "IStream_Seek");
ok(ull.u.LowPart == sizeof(data), "LowPart set to %d\n", ull.u.LowPart);
ok(ull.u.HighPart == 0, "should have set HighPart to 0 instead of %d\n", ull.u.HighPart);
/* IStream_Seek -- ignore HighPart in the move value (seek to beginning) */
ll.u.HighPart = 0;
ll.u.LowPart = sizeof(data);
hr = IStream_Seek(pStream, ll, STREAM_SEEK_SET, &ull);
ok_ole_success(hr, "IStream_Seek");
ull.u.HighPart = 0xCAFECAFE;
ull.u.LowPart = 0xCAFECAFE;
ll.u.HighPart = -1;
ll.u.LowPart = 0;
hr = IStream_Seek(pStream, ll, STREAM_SEEK_SET, &ull);
ok_ole_success(hr, "IStream_Seek");
ok(ull.u.LowPart == 0, "should have set LowPart to 0 instead of %d\n", ull.u.LowPart);
ok(ull.u.HighPart == 0, "should have set HighPart to 0 instead of %d\n", ull.u.HighPart);
/* IStream_Seek -- invalid LowPart value (seek before start of stream) */
ll.u.HighPart = 0;
ll.u.LowPart = sizeof(data);
hr = IStream_Seek(pStream, ll, STREAM_SEEK_SET, &ull);
ok_ole_success(hr, "IStream_Seek");
ull.u.HighPart = 0xCAFECAFE;
ull.u.LowPart = 0xCAFECAFE;
ll.u.HighPart = 0;
ll.u.LowPart = 0x80000000;
hr = IStream_Seek(pStream, ll, STREAM_SEEK_CUR, &ull);
ok(hr == STG_E_SEEKERROR, "IStream_Seek should have returned STG_E_SEEKERROR instead of 0x%08x\n", hr);
ok(ull.u.LowPart == sizeof(data), "LowPart set to %d\n", ull.u.LowPart);
ok(ull.u.HighPart == 0, "should have set HighPart to 0 instead of %d\n", ull.u.HighPart);
/* IStream_Seek -- valid LowPart value (seek to start of stream) */
ll.u.HighPart = 0;
ll.u.LowPart = sizeof(data);
hr = IStream_Seek(pStream, ll, STREAM_SEEK_SET, &ull);
ok_ole_success(hr, "IStream_Seek");
ull.u.HighPart = 0xCAFECAFE;
ull.u.LowPart = 0xCAFECAFE;
ll.u.HighPart = 0;
ll.u.LowPart = -(DWORD)sizeof(data);
hr = IStream_Seek(pStream, ll, STREAM_SEEK_CUR, &ull);
ok_ole_success(hr, "IStream_Seek");
ok(ull.u.LowPart == 0, "LowPart set to %d\n", ull.u.LowPart);
ok(ull.u.HighPart == 0, "should have set HighPart to 0 instead of %d\n", ull.u.HighPart);
/* IStream_Seek -- invalid LowPart value (seek to start of stream-1) */
ll.u.HighPart = 0;
ll.u.LowPart = sizeof(data);
hr = IStream_Seek(pStream, ll, STREAM_SEEK_SET, &ull);
ok_ole_success(hr, "IStream_Seek");
ull.u.HighPart = 0xCAFECAFE;
ull.u.LowPart = 0xCAFECAFE;
ll.u.HighPart = 0;
ll.u.LowPart = -(DWORD)sizeof(data)-1;
hr = IStream_Seek(pStream, ll, STREAM_SEEK_CUR, &ull);
ok(hr == STG_E_SEEKERROR, "IStream_Seek should have returned STG_E_SEEKERROR instead of 0x%08x\n", hr);
ok(ull.u.LowPart == sizeof(data), "LowPart set to %d\n", ull.u.LowPart);
ok(ull.u.HighPart == 0, "should have set HighPart to 0 instead of %d\n", ull.u.HighPart);
/* IStream_Seek -- valid LowPart value (seek forward to 0x80000000) */
ll.u.HighPart = 0;
ll.u.LowPart = sizeof(data);
hr = IStream_Seek(pStream, ll, STREAM_SEEK_SET, &ull);
ok_ole_success(hr, "IStream_Seek");
ull.u.HighPart = 0xCAFECAFE;
ull.u.LowPart = 0xCAFECAFE;
ll.u.HighPart = 0;
ll.u.LowPart = 0x80000000 - sizeof(data);
hr = IStream_Seek(pStream, ll, STREAM_SEEK_CUR, &ull);
ok_ole_success(hr, "IStream_Seek");
ok(ull.u.LowPart == 0x80000000, "LowPart set to %d\n", ull.u.LowPart);
ok(ull.u.HighPart == 0, "should have set HighPart to 0 instead of %d\n", ull.u.HighPart);
/* IStream_Seek -- invalid LowPart value (seek to beginning) */
ll.u.HighPart = 0;
ll.u.LowPart = sizeof(data);
hr = IStream_Seek(pStream, ll, STREAM_SEEK_SET, &ull);
ok_ole_success(hr, "IStream_Seek");
ull.u.HighPart = 0xCAFECAFE;
ull.u.LowPart = 0xCAFECAFE;
ll.u.HighPart = 0;
ll.u.LowPart = 0x80000000;
hr = IStream_Seek(pStream, ll, STREAM_SEEK_SET, &ull);
ok(hr == STG_E_SEEKERROR, "IStream_Seek should have returned STG_E_SEEKERROR instead of 0x%08x\n", hr);
ok(ull.u.LowPart == sizeof(data), "LowPart set to %d\n", ull.u.LowPart);
ok(ull.u.HighPart == 0, "should have set HighPart to 0 instead of %d\n", ull.u.HighPart);
/* IStream_Seek -- valid LowPart value (seek to beginning) */
ull.u.HighPart = 0xCAFECAFE;
ull.u.LowPart = 0xCAFECAFE;
ll.u.HighPart = 0;
ll.u.LowPart = 0x7FFFFFFF;
hr = IStream_Seek(pStream, ll, STREAM_SEEK_SET, &ull);
ok_ole_success(hr, "IStream_Seek");
ok(ull.u.LowPart == 0x7FFFFFFF, "should have set LowPart to 0x7FFFFFFF instead of %08x\n", ull.u.LowPart);
ok(ull.u.HighPart == 0, "should have set HighPart to 0 instead of %d\n", ull.u.HighPart);
/* IStream_Seek -- valid LowPart value (seek from current position) */
ll.u.HighPart = 0;
ll.u.LowPart = 0;
hr = IStream_Seek(pStream, ll, STREAM_SEEK_SET, &ull);
ok_ole_success(hr, "IStream_Seek");
ull.u.HighPart = 0xCAFECAFE;
ull.u.LowPart = 0xCAFECAFE;
ll.u.HighPart = 0;
ll.u.LowPart = 0x7FFFFFFF;
hr = IStream_Seek(pStream, ll, STREAM_SEEK_CUR, &ull);
ok_ole_success(hr, "IStream_Seek");
ok(ull.u.LowPart == 0x7FFFFFFF, "should have set LowPart to 0x7FFFFFFF instead of %08x\n", ull.u.LowPart);
ok(ull.u.HighPart == 0, "should have set HighPart to 0 instead of %d\n", ull.u.HighPart);
/* IStream_Seek -- second seek allows you to go past 0x7FFFFFFF size */
ull.u.HighPart = 0xCAFECAFE;
ull.u.LowPart = 0xCAFECAFE;
ll.u.HighPart = 0;
ll.u.LowPart = 9;
hr = IStream_Seek(pStream, ll, STREAM_SEEK_CUR, &ull);
ok_ole_success(hr, "IStream_Seek");
ok(ull.u.LowPart == 0x80000008, "should have set LowPart to 0x80000008 instead of %08x\n", ull.u.LowPart);
ok(ull.u.HighPart == 0, "should have set HighPart to 0 instead of %d\n", ull.u.HighPart);
/* IStream_Seek -- seek wraps position/size on integer overflow, but not on win8 */
ull.u.HighPart = 0xCAFECAFE;
ull.u.LowPart = 0xCAFECAFE;
ll.u.HighPart = 0;
ll.u.LowPart = 0x7FFFFFFF;
hr = IStream_Seek(pStream, ll, STREAM_SEEK_CUR, &ull);
ok(hr == S_OK || hr == STG_E_SEEKERROR /* win8 */, "IStream_Seek\n");
if (SUCCEEDED(hr))
ok(ull.u.LowPart == 0x00000007, "should have set LowPart to 0x00000007 instead of %08x\n", ull.u.LowPart);
else
ok(ull.u.LowPart == 0x80000008, "should have set LowPart to 0x80000008 instead of %08x\n", ull.u.LowPart);
ok(ull.u.HighPart == 0, "should have set HighPart to 0 instead of %d\n", ull.u.HighPart);
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 || broken(hr == S_OK), /* win9x */
"IStream_SetSize with large size should have returned E_OUTOFMEMORY instead of 0x%08x\n", hr);
IStream_Release(pStream);
}
static HRESULT WINAPI TestStream_QueryInterface(IStream *iface, REFIID riid, void **ppv)
{
if (IsEqualIID(riid, &IID_IUnknown) ||
IsEqualIID(riid, &IID_ISequentialStream) ||
IsEqualIID(riid, &IID_IStream))
{
*ppv = iface;
IStream_AddRef(iface);
return S_OK;
}
*ppv = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI TestStream_AddRef(IStream *iface)
{
return 2;
}
static ULONG WINAPI TestStream_Release(IStream *iface)
{
return 1;
}
static HRESULT WINAPI TestStream_Read(IStream *iface, void *pv, ULONG cb, ULONG *pcbRead)
{
CHECK_EXPECTED_METHOD("TestStream_Read");
return E_NOTIMPL;
}
static HRESULT WINAPI TestStream_Write(IStream *iface, const void *pv, ULONG cb, ULONG *pcbWritten)
{
CHECK_EXPECTED_METHOD("TestStream_Write");
*pcbWritten = 5;
return S_OK;
}
static HRESULT WINAPI TestStream_Seek(IStream *iface, LARGE_INTEGER dlibMove, DWORD dwOrigin, ULARGE_INTEGER *plibNewPosition)
{
CHECK_EXPECTED_METHOD("TestStream_Seek");
return E_NOTIMPL;
}
static HRESULT WINAPI TestStream_SetSize(IStream *iface, ULARGE_INTEGER libNewSize)
{
CHECK_EXPECTED_METHOD("TestStream_SetSize");
return E_NOTIMPL;
}
static HRESULT WINAPI TestStream_CopyTo(IStream *iface, IStream *pStream, ULARGE_INTEGER cb, ULARGE_INTEGER *pcbRead, ULARGE_INTEGER *pcbWritten)
{
CHECK_EXPECTED_METHOD("TestStream_CopyTo");
return E_NOTIMPL;
}
static HRESULT WINAPI TestStream_Commit(IStream *iface, DWORD grfCommitFlags)
{
CHECK_EXPECTED_METHOD("TestStream_Commit");
return E_NOTIMPL;
}
static HRESULT WINAPI TestStream_Revert(IStream *iface)
{
CHECK_EXPECTED_METHOD("TestStream_Revert");
return E_NOTIMPL;
}
static HRESULT WINAPI TestStream_LockRegion(IStream *iface, ULARGE_INTEGER libOffset, ULARGE_INTEGER cb, DWORD dwLockType)
{
CHECK_EXPECTED_METHOD("TestStream_LockRegion");
return E_NOTIMPL;
}
static HRESULT WINAPI TestStream_UnlockRegion(IStream *iface, ULARGE_INTEGER libOffset, ULARGE_INTEGER cb, DWORD dwLockType)
{
CHECK_EXPECTED_METHOD("TestStream_UnlockRegion");
return E_NOTIMPL;
}
static HRESULT WINAPI TestStream_Stat(IStream *iface, STATSTG *pstatstg, DWORD grfStatFlag)
{
CHECK_EXPECTED_METHOD("TestStream_Stat");
return E_NOTIMPL;
}
static HRESULT WINAPI TestStream_Clone(IStream *iface, IStream **pStream)
{
CHECK_EXPECTED_METHOD("TestStream_Clone");
return E_NOTIMPL;
}
static /*const*/ IStreamVtbl StreamVtbl =
{
TestStream_QueryInterface,
TestStream_AddRef,
TestStream_Release,
TestStream_Read,
TestStream_Write,
TestStream_Seek,
TestStream_SetSize,
TestStream_CopyTo,
TestStream_Commit,
TestStream_Revert,
TestStream_LockRegion,
TestStream_UnlockRegion,
TestStream_Stat,
TestStream_Clone
};
static IStream Test_Stream = { &StreamVtbl };
static void test_copyto(void)
{
IStream *pStream, *pStream2;
HRESULT hr = CreateStreamOnHGlobal(NULL, TRUE, &pStream);
static const char szHello[] = "Hello";
ULARGE_INTEGER cb;
static const char *methods_copyto[] =
{
"TestStream_Write",
NULL
};
ULONG written;
ULARGE_INTEGER ullRead;
ULARGE_INTEGER ullWritten;
ULARGE_INTEGER libNewPosition;
static const LARGE_INTEGER llZero;
char buffer[15];
ok_ole_success(hr, "CreateStreamOnHGlobal");
expected_method_list = methods_copyto;
hr = IStream_Write(pStream, szHello, sizeof(szHello), &written);
ok_ole_success(hr, "IStream_Write");
ok(written == sizeof(szHello), "only %d bytes written\n", written);
hr = IStream_Seek(pStream, llZero, STREAM_SEEK_SET, NULL);
ok_ole_success(hr, "IStream_Seek");
cb.QuadPart = sizeof(szHello);
hr = IStream_CopyTo(pStream, &Test_Stream, cb, &ullRead, &ullWritten);
ok(ullWritten.QuadPart == 5, "ullWritten was %d instead\n", (ULONG)ullWritten.QuadPart);
ok(ullRead.QuadPart == sizeof(szHello), "only %d bytes read\n", (ULONG)ullRead.QuadPart);
ok_ole_success(hr, "IStream_CopyTo");
ok(!*expected_method_list, "Method sequence starting from %s not called\n", *expected_method_list);
hr = IStream_Clone(pStream, &pStream2);
ok_ole_success(hr, "IStream_Clone");
hr = IStream_Seek(pStream2, llZero, STREAM_SEEK_CUR, &libNewPosition);
ok_ole_success(hr, "IStream_Seek");
ok(libNewPosition.QuadPart == sizeof(szHello), "libNewPosition wasn't set correctly for the cloned stream\n");
hr = IStream_Seek(pStream2, llZero, STREAM_SEEK_SET, NULL);
ok_ole_success(hr, "IStream_Seek");
hr = IStream_Read(pStream2, buffer, sizeof(buffer), NULL);
ok_ole_success(hr, "IStream_Read");
ok(!strcmp(buffer, szHello), "read data \"%s\" didn't match originally written data\n", buffer);
IStream_Release(pStream2);
IStream_Release(pStream);
}
static void test_freed_hglobal(void)
{
static const char teststring[] = "this is a test string";
HRESULT hr;
IStream *pStream;
HGLOBAL hglobal;
char *p;
char buffer[sizeof(teststring) + 8];
ULARGE_INTEGER ull;
ULONG read, written;
hglobal = GlobalAlloc(GMEM_DDESHARE|GMEM_NODISCARD|GMEM_MOVEABLE, strlen(teststring) + 1);
ok(hglobal != NULL, "GlobalAlloc failed with error %d\n", GetLastError());
p = GlobalLock(hglobal);
strcpy(p, teststring);
GlobalUnlock(hglobal);
hr = CreateStreamOnHGlobal(hglobal, FALSE, &pStream);
ok_ole_success(hr, "CreateStreamOnHGlobal");
hr = IStream_Read(pStream, buffer, sizeof(buffer), &read);
ok_ole_success(hr, "IStream_Read");
ok(!strcmp(buffer, teststring), "buffer data %s differs\n", buffer);
ok(read == sizeof(teststring) ||
broken(read == ((sizeof(teststring) + 3) & ~3)), /* win9x rounds the size */
"read should be sizeof(teststring) instead of %d\n", read);
GlobalFree(hglobal);
memset(buffer, 0, sizeof(buffer));
read = -1;
hr = IStream_Read(pStream, buffer, sizeof(buffer), &read);
ok_ole_success(hr, "IStream_Read");
ok(buffer[0] == 0, "buffer data should be untouched\n");
ok(read == 0, "read should be 0 instead of %d\n", read);
ull.QuadPart = sizeof(buffer);
hr = IStream_SetSize(pStream, ull);
ok(hr == E_OUTOFMEMORY, "IStream_SetSize with invalid HGLOBAL should return E_OUTOFMEMORY instead of 0x%08x\n", hr);
hr = IStream_Write(pStream, buffer, sizeof(buffer), &written);
ok(hr == E_OUTOFMEMORY, "IStream_Write with invalid HGLOBAL should return E_OUTOFMEMORY instead of 0x%08x\n", hr);
ok(written == 0, "written should be 0 instead of %d\n", written);
IStream_Release(pStream);
}
static void stream_info(IStream *stream, HGLOBAL *hmem, int *size, int *pos)
{
HRESULT hr;
STATSTG stat;
LARGE_INTEGER offset;
ULARGE_INTEGER newpos;
*hmem = 0;
*size = *pos = -1;
hr = GetHGlobalFromStream(stream, hmem);
ok(hr == S_OK, "unexpected %#x\n", hr);
memset(&stat, 0x55, sizeof(stat));
hr = IStream_Stat(stream, &stat, STATFLAG_DEFAULT);
ok(hr == S_OK, "unexpected %#x\n", hr);
ok(stat.type == STGTY_STREAM, "unexpected %#x\n", stat.type);
ok(!stat.pwcsName, "unexpected %p\n", stat.pwcsName);
ok(IsEqualIID(&stat.clsid, &GUID_NULL), "unexpected %s\n", wine_dbgstr_guid(&stat.clsid));
ok(!stat.cbSize.HighPart, "unexpected %#x\n", stat.cbSize.HighPart);
*size = stat.cbSize.LowPart;
offset.QuadPart = 0;
hr = IStream_Seek(stream, offset, STREAM_SEEK_CUR, &newpos);
ok(hr == S_OK, "unexpected %#x\n", hr);
ok(!newpos.HighPart, "unexpected %#x\n", newpos.HighPart);
*pos = newpos.LowPart;
}
static void test_IStream_Clone(void)
{
static const char hello[] = "Hello World!";
char buf[32];
HRESULT hr;
IStream *stream, *clone;
HGLOBAL orig_hmem, hmem, hmem_clone;
ULARGE_INTEGER newsize;
LARGE_INTEGER offset;
int size, pos, ret;
/* test simple case for Clone */
orig_hmem = GlobalAlloc(GMEM_MOVEABLE, 0);
ok(orig_hmem != 0, "unexpected %p\n", orig_hmem);
hr = CreateStreamOnHGlobal(orig_hmem, TRUE, &stream);
ok(hr == S_OK, "unexpected %#x\n", hr);
stream_info(stream, &hmem, &size, &pos);
ok(hmem == orig_hmem, "handles should match\n");
ok(size == 0, "unexpected %d\n", size);
ok(pos == 0, "unexpected %d\n", pos);
hr = IStream_Clone(stream, &clone);
ok(hr == S_OK, "unexpected %#x\n", hr);
hr = IStream_Write(stream, hello, sizeof(hello), NULL);
ok(hr == S_OK, "unexpected %#x\n", hr);
stream_info(stream, &hmem, &size, &pos);
ok(hmem == orig_hmem, "handles should match\n");
ok(size == 13, "unexpected %d\n", size);
ok(pos == 13, "unexpected %d\n", pos);
stream_info(clone, &hmem_clone, &size, &pos);
ok(hmem_clone == hmem, "handles should match\n");
ok(size == 13, "unexpected %d\n", size);
ok(pos == 0, "unexpected %d\n", pos);
buf[0] = 0;
hr = IStream_Read(clone, buf, sizeof(buf), NULL);
ok(hr == S_OK, "unexpected %#x\n", hr);
ok(!strcmp(buf, hello), "wrong stream contents\n");
newsize.QuadPart = 0x8000;
hr = IStream_SetSize(stream, newsize);
ok(hr == S_OK, "unexpected %#x\n", hr);
stream_info(stream, &hmem, &size, &pos);
ok(hmem == orig_hmem, "handles should match\n");
ok(size == 0x8000, "unexpected %#x\n", size);
ok(pos == 13, "unexpected %d\n", pos);
stream_info(clone, &hmem_clone, &size, &pos);
ok(hmem_clone == hmem, "handles should match\n");
ok(size == 0x8000, "unexpected %#x\n", size);
ok(pos == 13, "unexpected %d\n", pos);
IStream_Release(clone);
IStream_Release(stream);
/* exploit GMEM_FIXED forced move for the same base streams */
orig_hmem = GlobalAlloc(GMEM_FIXED, 1);
ok(orig_hmem != 0, "unexpected %p\n", orig_hmem);
hr = CreateStreamOnHGlobal(orig_hmem, TRUE, &stream);
ok(hr == S_OK, "unexpected %#x\n", hr);
hr = IStream_Clone(stream, &clone);
ok(hr == S_OK, "unexpected %#x\n", hr);
stream_info(stream, &hmem, &size, &pos);
ok(hmem == orig_hmem, "handles should match\n");
ok(size == 1, "unexpected %d\n", size);
ok(pos == 0, "unexpected %d\n", pos);
stream_info(clone, &hmem_clone, &size, &pos);
ok(hmem_clone == hmem, "handles should match\n");
ok(size == 1, "unexpected %d\n", size);
ok(pos == 0, "unexpected %d\n", pos);
newsize.QuadPart = 0x8000;
hr = IStream_SetSize(stream, newsize);
ok(hr == S_OK, "unexpected %#x\n", hr);
stream_info(stream, &hmem, &size, &pos);
ok(hmem != 0, "unexpected %p\n", hmem);
ok(hmem != orig_hmem, "unexpected %p\n", hmem);
ok(size == 0x8000, "unexpected %#x\n", size);
ok(pos == 0, "unexpected %d\n", pos);
stream_info(clone, &hmem_clone, &size, &pos);
ok(hmem_clone == hmem, "handles should match\n");
ok(size == 0x8000, "unexpected %#x\n", size);
ok(pos == 0, "unexpected %d\n", pos);
IStream_Release(stream);
IStream_Release(clone);
/* test Release of cloned stream */
hr = CreateStreamOnHGlobal(0, TRUE, &stream);
ok(hr == S_OK, "unexpected %#x\n", hr);
hr = IStream_Clone(stream, &clone);
ok(hr == S_OK, "unexpected %#x\n", hr);
stream_info(stream, &hmem, &size, &pos);
ok(hmem != 0, "unexpected %p\n", hmem);
ok(size == 0, "unexpected %d\n", size);
ok(pos == 0, "unexpected %d\n", pos);
stream_info(clone, &hmem_clone, &size, &pos);
ok(hmem_clone == hmem, "handles should match\n");
ok(size == 0, "unexpected %#x\n", size);
ok(pos == 0, "unexpected %d\n", pos);
ret = IStream_Release(stream);
ok(ret == 0, "unexpected %d\n", ret);
newsize.QuadPart = 0x8000;
hr = IStream_SetSize(clone, newsize);
ok(hr == S_OK, "unexpected %#x\n", hr);
stream_info(clone, &hmem_clone, &size, &pos);
ok(hmem_clone == hmem, "handles should match\n");
ok(size == 0x8000, "unexpected %#x\n", size);
ok(pos == 0, "unexpected %d\n", pos);
hr = IStream_Write(clone, hello, sizeof(hello), NULL);
ok(hr == S_OK, "unexpected %#x\n", hr);
stream_info(clone, &hmem_clone, &size, &pos);
ok(hmem_clone == hmem, "handles should match\n");
ok(size == 0x8000, "unexpected %#x\n", size);
ok(pos == 13, "unexpected %d\n", pos);
offset.QuadPart = 0;
hr = IStream_Seek(clone, offset, STREAM_SEEK_SET, NULL);
ok(hr == S_OK, "unexpected %#x\n", hr);
buf[0] = 0;
hr = IStream_Read(clone, buf, sizeof(buf), NULL);
ok(hr == S_OK, "unexpected %#x\n", hr);
ok(!strcmp(buf, hello), "wrong stream contents\n");
stream_info(clone, &hmem_clone, &size, &pos);
ok(hmem_clone == hmem, "handles should match\n");
ok(size == 0x8000, "unexpected %#x\n", size);
ok(pos == 32, "unexpected %d\n", pos);
ret = IStream_Release(clone);
ok(ret == 0, "unexpected %d\n", ret);
}
START_TEST(hglobalstream)
{
test_streamonhglobal();
test_copyto();
test_freed_hglobal();
test_IStream_Clone();
}