wine/dlls/oleaut32/tests/usrmarshal.c

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/*
* Marshaling Tests
*
* Copyright 2004 Robert Shearman
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "objbase.h"
#include "propidl.h" /* for LPSAFEARRAY_User* routines */
#include "wine/test.h"
/* doesn't work on Windows due to needing more of the
* MIDL_STUB_MESSAGE structure to be filled out */
#define LPSAFEARRAY_UNMARSHAL_WORKS 0
#define BSTR_UNMARSHAL_WORKS 0
static void test_marshal_LPSAFEARRAY(void)
{
unsigned char *buffer;
unsigned long size;
LPSAFEARRAY lpsa;
LPSAFEARRAY lpsa2 = NULL;
unsigned char *wiresa;
SAFEARRAYBOUND sab;
MIDL_STUB_MESSAGE stubMsg = { 0 };
USER_MARSHAL_CB umcb = { 0 };
umcb.Flags = MAKELONG(MSHCTX_DIFFERENTMACHINE, NDR_LOCAL_DATA_REPRESENTATION);
umcb.pReserve = NULL;
umcb.pStubMsg = &stubMsg;
sab.lLbound = 5;
sab.cElements = 10;
lpsa = SafeArrayCreate(VT_I2, 1, &sab);
*(DWORD *)lpsa->pvData = 0xcafebabe;
lpsa->cLocks = 7;
size = LPSAFEARRAY_UserSize(&umcb.Flags, 0, &lpsa);
ok(size == 64, "size should be 64 bytes, not %ld\n", size);
buffer = (unsigned char *)HeapAlloc(GetProcessHeap(), 0, size);
LPSAFEARRAY_UserMarshal(&umcb.Flags, buffer, &lpsa);
wiresa = buffer;
ok(*(DWORD *)wiresa == TRUE, "wiresa + 0x0 should be TRUE instead of 0x%08lx\n", *(DWORD *)wiresa);
wiresa += sizeof(DWORD);
ok(*(DWORD *)wiresa == lpsa->cDims, "wiresa + 0x4 should be lpsa->cDims instead of 0x%08lx\n", *(DWORD *)wiresa);
wiresa += sizeof(DWORD);
ok(*(WORD *)wiresa == lpsa->cDims, "wiresa + 0x8 should be lpsa->cDims instead of 0x%04x\n", *(WORD *)wiresa);
wiresa += sizeof(WORD);
ok(*(WORD *)wiresa == lpsa->fFeatures, "wiresa + 0xc should be lpsa->fFeatures instead of 0x%08x\n", *(WORD *)wiresa);
wiresa += sizeof(WORD);
ok(*(DWORD *)wiresa == lpsa->cbElements, "wiresa + 0x10 should be lpsa->cbElements instead of 0x%08lx\n", *(DWORD *)wiresa);
wiresa += sizeof(DWORD);
ok(*(WORD *)wiresa == lpsa->cLocks, "wiresa + 0x16 should be lpsa->cLocks instead of 0x%04x\n", *(WORD *)wiresa);
wiresa += sizeof(WORD);
ok(*(WORD *)wiresa == VT_I2, "wiresa + 0x14 should be VT_I2 instead of 0x%04x\n", *(WORD *)wiresa);
wiresa += sizeof(WORD);
ok(*(DWORD *)wiresa == VT_I2, "wiresa + 0x18 should be VT_I2 instead of 0x%08lx\n", *(DWORD *)wiresa);
wiresa += sizeof(DWORD);
ok(*(DWORD *)wiresa == sab.cElements, "wiresa + 0x1c should be sab.cElements instead of %lu\n", *(DWORD *)wiresa);
wiresa += sizeof(DWORD);
ok(*(DWORD_PTR *)wiresa == (DWORD_PTR)lpsa->pvData, "wirestgm + 0x20 should be lpsa->pvData instead of 0x%08lx\n", *(DWORD_PTR *)wiresa);
wiresa += sizeof(DWORD_PTR);
ok(*(DWORD *)wiresa == sab.cElements, "wiresa + 0x24 should be sab.cElements instead of %lu\n", *(DWORD *)wiresa);
wiresa += sizeof(DWORD);
ok(*(LONG *)wiresa == sab.lLbound, "wiresa + 0x28 should be sab.clLbound instead of %ld\n", *(LONG *)wiresa);
wiresa += sizeof(LONG);
ok(*(DWORD *)wiresa == sab.cElements, "wiresa + 0x2c should be sab.cElements instead of %lu\n", *(DWORD *)wiresa);
wiresa += sizeof(DWORD);
/* elements are now pointed to by wiresa */
if (LPSAFEARRAY_UNMARSHAL_WORKS)
{
LPSAFEARRAY_UserUnmarshal(&umcb.Flags, buffer, &lpsa2);
ok(lpsa2 != NULL, "LPSAFEARRAY didn't unmarshal\n");
LPSAFEARRAY_UserFree(&umcb.Flags, &lpsa2);
}
HeapFree(GetProcessHeap(), 0, buffer);
SafeArrayDestroy(lpsa);
/* test NULL safe array */
lpsa = NULL;
size = LPSAFEARRAY_UserSize(&umcb.Flags, 0, &lpsa);
ok(size == 4, "size should be 4 bytes, not %ld\n", size);
buffer = (unsigned char *)HeapAlloc(GetProcessHeap(), 0, size);
LPSAFEARRAY_UserMarshal(&umcb.Flags, buffer, &lpsa);
wiresa = buffer;
ok(*(DWORD *)wiresa == FALSE, "wiresa + 0x0 should be FALSE instead of 0x%08lx\n", *(DWORD *)wiresa);
wiresa += sizeof(DWORD);
if (LPSAFEARRAY_UNMARSHAL_WORKS)
{
LPSAFEARRAY_UserUnmarshal(&umcb.Flags, buffer, &lpsa2);
ok(lpsa2 == NULL, "NULL LPSAFEARRAY didn't unmarshal\n");
LPSAFEARRAY_UserFree(&umcb.Flags, &lpsa2);
}
HeapFree(GetProcessHeap(), 0, buffer);
}
static void test_marshal_BSTR(void)
{
unsigned long size;
MIDL_STUB_MESSAGE stubMsg = { 0 };
USER_MARSHAL_CB umcb = { 0 };
unsigned char *buffer;
BSTR b, b2;
WCHAR str[] = {'m','a','r','s','h','a','l',' ','t','e','s','t','1',0};
DWORD *wireb, len;
umcb.Flags = MAKELONG(MSHCTX_DIFFERENTMACHINE, NDR_LOCAL_DATA_REPRESENTATION);
umcb.pReserve = NULL;
umcb.pStubMsg = &stubMsg;
b = SysAllocString(str);
len = SysStringLen(b);
ok(len == 13, "get %ld\n", len);
/* BSTRs are DWORD aligned */
size = BSTR_UserSize(&umcb.Flags, 1, &b);
ok(size == 42, "size %ld\n", size);
size = BSTR_UserSize(&umcb.Flags, 0, &b);
ok(size == 38, "size %ld\n", size);
buffer = HeapAlloc(GetProcessHeap(), 0, size);
BSTR_UserMarshal(&umcb.Flags, buffer, &b);
wireb = (DWORD*)buffer;
ok(*wireb == len, "wv[0] %08lx\n", *wireb);
wireb++;
ok(*wireb == len * 2, "wv[1] %08lx\n", *wireb);
wireb++;
ok(*wireb == len, "wv[2] %08lx\n", *wireb);
wireb++;
ok(!memcmp(wireb, str, len * 2), "strings differ\n");
if (BSTR_UNMARSHAL_WORKS)
{
b2 = NULL;
BSTR_UserUnmarshal(&umcb.Flags, buffer, &b2);
ok(b2 != NULL, "NULL LPSAFEARRAY didn't unmarshal\n");
ok(!memcmp(b, b2, (len + 1) * 2), "strings differ\n");
BSTR_UserFree(&umcb.Flags, &b2);
}
HeapFree(GetProcessHeap(), 0, buffer);
SysFreeString(b);
b = NULL;
size = BSTR_UserSize(&umcb.Flags, 0, &b);
ok(size == 12, "size %ld\n", size);
buffer = HeapAlloc(GetProcessHeap(), 0, size);
BSTR_UserMarshal(&umcb.Flags, buffer, &b);
wireb = (DWORD*)buffer;
ok(*wireb == 0, "wv[0] %08lx\n", *wireb);
wireb++;
ok(*wireb == 0xffffffff, "wv[1] %08lx\n", *wireb);
wireb++;
ok(*wireb == 0, "wv[2] %08lx\n", *wireb);
HeapFree(GetProcessHeap(), 0, buffer);
}
START_TEST(usrmarshal)
{
CoInitialize(NULL);
test_marshal_LPSAFEARRAY();
test_marshal_BSTR();
CoUninitialize();
}