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[wine] / dlls / rpcrt4 / tests / cstub.c
1 /*
2  * Unit test suite for cstubs
3  *
4  * Copyright 2006 Huw Davies
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19  */
20
21 #include <stdarg.h>
22
23 #define PROXY_DELEGATION
24 #define COBJMACROS
25
26 #include "wine/test.h"
27 #include <windef.h>
28 #include <winbase.h>
29 #include <winnt.h>
30 #include <winerror.h>
31
32
33 #include "initguid.h"
34 #include "rpc.h"
35 #include "rpcdce.h"
36 #include "rpcproxy.h"
37
38 static CStdPSFactoryBuffer PSFactoryBuffer;
39
40 CSTDSTUBBUFFERRELEASE(&PSFactoryBuffer)
41 CSTDSTUBBUFFER2RELEASE(&PSFactoryBuffer)
42
43 static GUID IID_if1 = {0x12345678, 1234, 5678, {12,34,56,78,90,0xab,0xcd,0xef}};
44 static GUID IID_if2 = {0x12345679, 1234, 5678, {12,34,56,78,90,0xab,0xcd,0xef}};
45 static GUID IID_if3 = {0x1234567a, 1234, 5678, {12,34,56,78,90,0xab,0xcd,0xef}};
46 static GUID IID_if4 = {0x1234567b, 1234, 5678, {12,34,56,78,90,0xab,0xcd,0xef}};
47
48 static int my_alloc_called;
49 static int my_free_called;
50
51 static void * CALLBACK my_alloc(size_t size)
52 {
53     my_alloc_called++;
54     return NdrOleAllocate(size);
55 }
56
57 static void CALLBACK my_free(void *ptr)
58 {
59     my_free_called++;
60     NdrOleFree(ptr);
61 }
62
63 typedef struct _MIDL_PROC_FORMAT_STRING
64 {
65     short          Pad;
66     unsigned char  Format[ 2 ];
67 } MIDL_PROC_FORMAT_STRING;
68
69 typedef struct _MIDL_TYPE_FORMAT_STRING
70 {
71     short          Pad;
72     unsigned char  Format[ 2 ];
73 } MIDL_TYPE_FORMAT_STRING;
74
75
76 static const MIDL_PROC_FORMAT_STRING __MIDL_ProcFormatString =
77 {
78     0,
79     {
80         0, 0
81     }
82 };
83
84 static const MIDL_TYPE_FORMAT_STRING __MIDL_TypeFormatString =
85 {
86     0,
87     {
88         0, 0
89     }
90 };
91
92 static const MIDL_STUB_DESC Object_StubDesc =
93     {
94     NULL,
95     my_alloc,
96     my_free,
97     { 0 },
98     0,
99     0,
100     0,
101     0,
102     __MIDL_TypeFormatString.Format,
103     1, /* -error bounds_check flag */
104     0x20000, /* Ndr library version */
105     0,
106     0x50100a4, /* MIDL Version 5.1.164 */
107     0,
108     NULL,
109     0,  /* notify & notify_flag routine table */
110     1,  /* Flags */
111     0,  /* Reserved3 */
112     0,  /* Reserved4 */
113     0   /* Reserved5 */
114     };
115
116 static HRESULT WINAPI if1_fn1_Proxy(void *This)
117 {
118     return S_OK;
119 }
120
121 static void __RPC_STUB if1_fn1_Stub(
122     IRpcStubBuffer *This,
123     IRpcChannelBuffer *_pRpcChannelBuffer,
124     PRPC_MESSAGE _pRpcMessage,
125     DWORD *_pdwStubPhase)
126 {
127     trace("fn1 stub\n");
128 }
129
130 static HRESULT WINAPI if1_fn2_Proxy(void *This)
131 {
132     return S_OK;
133 }
134
135 static void __RPC_STUB if1_fn2_Stub(
136     IRpcStubBuffer *This,
137     IRpcChannelBuffer *_pRpcChannelBuffer,
138     PRPC_MESSAGE _pRpcMessage,
139     DWORD *_pdwStubPhase)
140 {
141     trace("fn2 stub\n");
142 }
143
144 static CINTERFACE_PROXY_VTABLE(5) if1_proxy_vtbl =
145 {
146     { &IID_if1 },
147     {   IUnknown_QueryInterface_Proxy,
148         IUnknown_AddRef_Proxy,
149         IUnknown_Release_Proxy ,
150         if1_fn1_Proxy,
151         if1_fn2_Proxy
152     }
153 };
154
155
156 static const unsigned short if1_FormatStringOffsetTable[] =
157     {
158     0,
159     0
160     };
161
162 static const MIDL_SERVER_INFO if1_server_info =
163     {
164     &Object_StubDesc,
165     0,
166     __MIDL_ProcFormatString.Format,
167     &if1_FormatStringOffsetTable[-3],
168     0,
169     0,
170     0,
171     0};
172
173
174 static const PRPC_STUB_FUNCTION if1_table[] =
175 {
176     if1_fn1_Stub,
177     if1_fn2_Stub
178 };
179
180 static CInterfaceStubVtbl if1_stub_vtbl =
181 {
182     {
183         &IID_if1,
184         &if1_server_info,
185         5,
186         &if1_table[-3]
187     },
188     { CStdStubBuffer_METHODS }
189 };
190
191 static CINTERFACE_PROXY_VTABLE(13) if2_proxy_vtbl =
192 {
193     { &IID_if2 },
194     {   IUnknown_QueryInterface_Proxy,
195         IUnknown_AddRef_Proxy,
196         IUnknown_Release_Proxy ,
197         0,
198         0,
199         0,
200         0,
201         0,
202         0,
203         0,
204         0,
205         0,
206         0
207     }
208 };
209
210 static const unsigned short if2_FormatStringOffsetTable[] =
211     {
212     (unsigned short) -1,
213     (unsigned short) -1,
214     (unsigned short) -1,
215     (unsigned short) -1,
216     (unsigned short) -1,
217     (unsigned short) -1,
218     (unsigned short) -1,
219     (unsigned short) -1,
220     (unsigned short) -1,
221     (unsigned short) -1,
222     0
223     };
224
225 static const MIDL_SERVER_INFO if2_server_info =
226     {
227     &Object_StubDesc,
228     0,
229     __MIDL_ProcFormatString.Format,
230     &if2_FormatStringOffsetTable[-3],
231     0,
232     0,
233     0,
234     0};
235
236
237 static const PRPC_STUB_FUNCTION if2_table[] =
238 {
239     STUB_FORWARDING_FUNCTION,
240     STUB_FORWARDING_FUNCTION,
241     STUB_FORWARDING_FUNCTION,
242     STUB_FORWARDING_FUNCTION,
243     STUB_FORWARDING_FUNCTION,
244     STUB_FORWARDING_FUNCTION,
245     STUB_FORWARDING_FUNCTION,
246     STUB_FORWARDING_FUNCTION,
247     STUB_FORWARDING_FUNCTION,
248     STUB_FORWARDING_FUNCTION
249 };
250
251 static CInterfaceStubVtbl if2_stub_vtbl =
252 {
253     {
254         &IID_if2,
255         &if2_server_info,
256         13,
257         &if2_table[-3]
258     },
259     { CStdStubBuffer_DELEGATING_METHODS }
260 };
261
262 static CINTERFACE_PROXY_VTABLE(4) if3_proxy_vtbl =
263 {
264     { &IID_if3 },
265     {   IUnknown_QueryInterface_Proxy,
266         IUnknown_AddRef_Proxy,
267         IUnknown_Release_Proxy ,
268         if1_fn1_Proxy
269     }
270 };
271
272
273 static const unsigned short if3_FormatStringOffsetTable[] =
274     {
275     0,
276     0
277     };
278
279 static const MIDL_SERVER_INFO if3_server_info =
280     {
281     &Object_StubDesc,
282     0,
283     __MIDL_ProcFormatString.Format,
284     &if3_FormatStringOffsetTable[-3],
285     0,
286     0,
287     0,
288     0};
289
290
291 static const PRPC_STUB_FUNCTION if3_table[] =
292 {
293     if1_fn1_Stub
294 };
295
296 static CInterfaceStubVtbl if3_stub_vtbl =
297 {
298     {
299         &IID_if3,
300         &if3_server_info,
301         4,
302         &if1_table[-3]
303     },
304     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
305 };
306
307 static CINTERFACE_PROXY_VTABLE(7) if4_proxy_vtbl =
308 {
309     { &IID_if4 },
310     {   IUnknown_QueryInterface_Proxy,
311         IUnknown_AddRef_Proxy,
312         IUnknown_Release_Proxy ,
313         0,
314         0,
315         0,
316         0
317     }
318 };
319
320 static const unsigned short if4_FormatStringOffsetTable[] =
321     {
322     (unsigned short) -1,
323     (unsigned short) -1,
324     (unsigned short) -1,
325     (unsigned short) -1,
326     0
327     };
328
329 static const MIDL_SERVER_INFO if4_server_info =
330     {
331     &Object_StubDesc,
332     0,
333     __MIDL_ProcFormatString.Format,
334     &if4_FormatStringOffsetTable[-3],
335     0,
336     0,
337     0,
338     0};
339
340
341 static const PRPC_STUB_FUNCTION if4_table[] =
342 {
343     STUB_FORWARDING_FUNCTION,
344     STUB_FORWARDING_FUNCTION,
345     STUB_FORWARDING_FUNCTION,
346     STUB_FORWARDING_FUNCTION,
347 };
348
349 static CInterfaceStubVtbl if4_stub_vtbl =
350 {
351     {
352         &IID_if4,
353         &if4_server_info,
354         7,
355         &if2_table[-3]
356     },
357     { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
358 };
359
360 static const CInterfaceProxyVtbl *cstub_ProxyVtblList[] =
361 {
362     (const CInterfaceProxyVtbl *) &if1_proxy_vtbl,
363     (const CInterfaceProxyVtbl *) &if2_proxy_vtbl,
364     (const CInterfaceProxyVtbl *) &if3_proxy_vtbl,
365     (const CInterfaceProxyVtbl *) &if4_proxy_vtbl,
366     NULL
367 };
368
369 static const CInterfaceStubVtbl *cstub_StubVtblList[] =
370 {
371     (const CInterfaceStubVtbl *) &if1_stub_vtbl,
372     (const CInterfaceStubVtbl *) &if2_stub_vtbl,
373     (const CInterfaceStubVtbl *) &if3_stub_vtbl,
374     (const CInterfaceStubVtbl *) &if4_stub_vtbl,
375     NULL
376 };
377
378 static PCInterfaceName const if_name_list[] =
379 {
380     "if1",
381     "if2",
382     "if3",
383     "if4",
384     NULL
385 };
386
387 static const IID *base_iid_list[] =
388 {
389     NULL,
390     &IID_ITypeLib,
391     NULL,
392     &IID_IDispatch,
393     NULL
394 };
395
396 #define cstub_CHECK_IID(n)     IID_GENERIC_CHECK_IID( cstub, pIID, n)
397
398 static int __stdcall iid_lookup( const IID * pIID, int * pIndex )
399 {
400     IID_BS_LOOKUP_SETUP
401
402     IID_BS_LOOKUP_INITIAL_TEST( cstub, 4, 4 )
403     IID_BS_LOOKUP_NEXT_TEST( cstub, 2 )
404     IID_BS_LOOKUP_NEXT_TEST( cstub, 1 )
405     IID_BS_LOOKUP_RETURN_RESULT( cstub, 4, *pIndex )
406
407 }
408
409
410 static const ExtendedProxyFileInfo my_proxy_file_info =
411 {
412     (const PCInterfaceProxyVtblList *) &cstub_ProxyVtblList,
413     (const PCInterfaceStubVtblList *) &cstub_StubVtblList,
414     (const PCInterfaceName *) &if_name_list,
415     (const IID **) &base_iid_list,
416     &iid_lookup,
417     4,
418     1,
419     NULL,
420     0,
421     0,
422     0
423 };
424
425 static const ProxyFileInfo *proxy_file_list[] = {
426     &my_proxy_file_info,
427     NULL
428 };
429
430
431 static IPSFactoryBuffer *test_NdrDllGetClassObject(void)
432 {
433     IPSFactoryBuffer *ppsf = NULL;
434     const CLSID PSDispatch = {0x20420, 0, 0, {0xc0, 0, 0, 0, 0, 0, 0, 0x46}};
435     HRESULT r;
436     HMODULE hmod = LoadLibraryA("rpcrt4.dll");
437     void *CStd_QueryInterface = GetProcAddress(hmod, "CStdStubBuffer_QueryInterface");
438     void *CStd_AddRef = GetProcAddress(hmod, "CStdStubBuffer_AddRef");
439     void *CStd_Release = GetProcAddress(hmod, "NdrCStdStubBuffer_Release");
440     void *CStd_Connect = GetProcAddress(hmod, "CStdStubBuffer_Connect");
441     void *CStd_Disconnect = GetProcAddress(hmod, "CStdStubBuffer_Disconnect");
442     void *CStd_Invoke = GetProcAddress(hmod, "CStdStubBuffer_Invoke");
443     void *CStd_IsIIDSupported = GetProcAddress(hmod, "CStdStubBuffer_IsIIDSupported");
444     void *CStd_CountRefs = GetProcAddress(hmod, "CStdStubBuffer_CountRefs");
445     void *CStd_DebugServerQueryInterface = GetProcAddress(hmod, "CStdStubBuffer_DebugServerQueryInterface");
446     void *CStd_DebugServerRelease = GetProcAddress(hmod, "CStdStubBuffer_DebugServerRelease");
447
448     r = NdrDllGetClassObject(&PSDispatch, &IID_IPSFactoryBuffer, (void**)&ppsf, proxy_file_list,
449                          &PSDispatch, &PSFactoryBuffer);
450
451     ok(r == S_OK, "ret %08x\n", r);
452     ok(ppsf != NULL, "ppsf == NULL\n");
453
454     ok(PSFactoryBuffer.pProxyFileList == proxy_file_list, "pfl not the same\n");
455     ok(PSFactoryBuffer.pProxyFileList[0]->pStubVtblList == (PCInterfaceStubVtblList *) &cstub_StubVtblList, "stub vtbllist not the same\n");
456
457     /* if1 is non-delegating, if2 is delegating, if3 is non-delegating
458        but I've zero'ed the vtbl entries, similarly if4 is delegating
459        with zero'ed vtbl entries */
460
461 #define VTBL_TEST_NOT_CHANGE_TO(name, i)                                  \
462     ok(PSFactoryBuffer.pProxyFileList[0]->pStubVtblList[i]->Vtbl.name != CStd_##name, #name "vtbl %d updated %p %p\n", \
463        i, PSFactoryBuffer.pProxyFileList[0]->pStubVtblList[i]->Vtbl.name, CStd_##name );
464 #define VTBL_TEST_CHANGE_TO(name, i)                                  \
465     ok(PSFactoryBuffer.pProxyFileList[0]->pStubVtblList[i]->Vtbl.name == CStd_##name, #name "vtbl %d not updated %p %p\n", \
466        i, PSFactoryBuffer.pProxyFileList[0]->pStubVtblList[i]->Vtbl.name, CStd_##name );
467 #define VTBL_TEST_ZERO(name, i)                                  \
468     ok(PSFactoryBuffer.pProxyFileList[0]->pStubVtblList[i]->Vtbl.name == NULL, #name "vtbl %d not null %p\n", \
469        i, PSFactoryBuffer.pProxyFileList[0]->pStubVtblList[i]->Vtbl.name );
470     VTBL_TEST_NOT_CHANGE_TO(QueryInterface, 0);
471     VTBL_TEST_NOT_CHANGE_TO(AddRef, 0);
472     VTBL_TEST_NOT_CHANGE_TO(Release, 0);
473     VTBL_TEST_NOT_CHANGE_TO(Connect, 0);
474     VTBL_TEST_NOT_CHANGE_TO(Disconnect, 0);
475     VTBL_TEST_NOT_CHANGE_TO(Invoke, 0);
476     VTBL_TEST_NOT_CHANGE_TO(IsIIDSupported, 0);
477     VTBL_TEST_NOT_CHANGE_TO(CountRefs, 0);
478     VTBL_TEST_NOT_CHANGE_TO(DebugServerQueryInterface, 0);
479     VTBL_TEST_NOT_CHANGE_TO(DebugServerRelease, 0);
480
481     VTBL_TEST_CHANGE_TO(QueryInterface, 1);
482     VTBL_TEST_CHANGE_TO(AddRef, 1);
483     VTBL_TEST_NOT_CHANGE_TO(Release, 1);
484     VTBL_TEST_NOT_CHANGE_TO(Connect, 1);
485     VTBL_TEST_NOT_CHANGE_TO(Disconnect, 1);
486     VTBL_TEST_CHANGE_TO(Invoke, 1);
487     VTBL_TEST_CHANGE_TO(IsIIDSupported, 1);
488     VTBL_TEST_NOT_CHANGE_TO(CountRefs, 1);
489     VTBL_TEST_CHANGE_TO(DebugServerQueryInterface, 1);
490     VTBL_TEST_CHANGE_TO(DebugServerRelease, 1);
491
492     VTBL_TEST_CHANGE_TO(QueryInterface, 2);
493     VTBL_TEST_CHANGE_TO(AddRef, 2);
494     VTBL_TEST_ZERO(Release, 2);
495     VTBL_TEST_CHANGE_TO(Connect, 2);
496     VTBL_TEST_CHANGE_TO(Disconnect, 2);
497     VTBL_TEST_CHANGE_TO(Invoke, 2);
498     VTBL_TEST_CHANGE_TO(IsIIDSupported, 2);
499     VTBL_TEST_CHANGE_TO(CountRefs, 2);
500     VTBL_TEST_CHANGE_TO(DebugServerQueryInterface, 2);
501     VTBL_TEST_CHANGE_TO(DebugServerRelease, 2);
502
503     VTBL_TEST_CHANGE_TO(QueryInterface, 3);
504     VTBL_TEST_CHANGE_TO(AddRef, 3);
505     VTBL_TEST_ZERO(Release, 3);
506     VTBL_TEST_NOT_CHANGE_TO(Connect, 3);
507     VTBL_TEST_NOT_CHANGE_TO(Disconnect, 3);
508     VTBL_TEST_CHANGE_TO(Invoke, 3);
509     VTBL_TEST_CHANGE_TO(IsIIDSupported, 3);
510     VTBL_TEST_NOT_CHANGE_TO(CountRefs, 3);
511     VTBL_TEST_CHANGE_TO(DebugServerQueryInterface, 3);
512     VTBL_TEST_CHANGE_TO(DebugServerRelease, 3);
513
514
515
516 #undef VTBL_TEST_NOT_CHANGE_TO
517 #undef VTBL_TEST_CHANGE_TO
518 #undef VTBL_TEST_ZERO
519
520     ok(PSFactoryBuffer.RefCount == 1, "ref count %d\n", PSFactoryBuffer.RefCount);
521     return ppsf;
522 }
523
524 static int base_buffer_invoke_called;
525 static HRESULT WINAPI base_buffer_Invoke(IRpcStubBuffer *This, RPCOLEMESSAGE *msg, IRpcChannelBuffer *channel)
526 {
527     base_buffer_invoke_called++;
528     ok(msg == (RPCOLEMESSAGE*)0xcafebabe, "msg ptr changed\n");
529     ok(channel == (IRpcChannelBuffer*)0xdeadbeef, "channel ptr changed\n");
530     return S_OK; /* returning any failure here results in an exception */
531 }
532
533 static IRpcStubBufferVtbl base_buffer_vtbl = {
534     (void*)0xcafebab0,
535     (void*)0xcafebab1,
536     (void*)0xcafebab2,
537     (void*)0xcafebab3,
538     (void*)0xcafebab4,
539     base_buffer_Invoke,
540     (void*)0xcafebab6,
541     (void*)0xcafebab7,
542     (void*)0xcafebab8,
543     (void*)0xcafebab9
544 };
545
546 static void test_NdrStubForwardingFunction(void)
547 {
548     void *This[5];
549     void *real_this;
550     IRpcChannelBuffer *channel = (IRpcChannelBuffer*)0xdeadbeef;
551     RPC_MESSAGE *msg = (RPC_MESSAGE*)0xcafebabe;
552     DWORD *phase = (DWORD*)0x12345678;
553     IRpcStubBufferVtbl *base_buffer_vtbl_ptr = &base_buffer_vtbl;
554     IRpcStubBuffer *base_stub_buffer = (IRpcStubBuffer*)&base_buffer_vtbl_ptr;
555
556     memset(This, 0xcc, sizeof(This));
557     This[0] = base_stub_buffer;
558     real_this = &This[1];
559
560     NdrStubForwardingFunction( real_this, channel, msg, phase );
561     ok(base_buffer_invoke_called == 1, "base_buffer_invoke called %d times\n", base_buffer_invoke_called);
562
563 }
564
565 static IRpcStubBuffer *create_stub(IPSFactoryBuffer *ppsf, REFIID iid, IUnknown *obj, HRESULT expected_result)
566 {
567     IRpcStubBuffer *pstub = NULL;
568     HRESULT r;
569
570     r = IPSFactoryBuffer_CreateStub(ppsf, iid, obj, &pstub);
571     ok(r == expected_result, "CreateStub returned %08x expected %08x\n", r, expected_result);
572     return pstub;
573 }
574
575 static HRESULT WINAPI create_stub_test_QI(IUnknown *This, REFIID iid, void **ppv)
576 {
577     ok(IsEqualIID(iid, &IID_if1), "incorrect iid\n");
578     *ppv = (void*)0xdeadbeef;
579     return S_OK;
580 }
581
582 static IUnknownVtbl create_stub_test_vtbl =
583 {
584     create_stub_test_QI,
585     NULL,
586     NULL
587 };
588
589 static HRESULT WINAPI create_stub_test_fail_QI(IUnknown *This, REFIID iid, void **ppv)
590 {
591     ok(IsEqualIID(iid, &IID_if1), "incorrect iid\n");
592     *ppv = NULL;
593     return E_NOINTERFACE;
594 }
595
596 static IUnknownVtbl create_stub_test_fail_vtbl =
597 {
598     create_stub_test_fail_QI,
599     NULL,
600     NULL
601 };
602
603 static void test_CreateStub(IPSFactoryBuffer *ppsf)
604 {
605     IUnknownVtbl *vtbl = &create_stub_test_vtbl;
606     IUnknown *obj = (IUnknown*)&vtbl;
607     IRpcStubBuffer *pstub = create_stub(ppsf, &IID_if1, obj, S_OK);
608     CStdStubBuffer *cstd_stub = (CStdStubBuffer*)pstub;
609     const CInterfaceStubHeader *header = ((const CInterfaceStubHeader *)cstd_stub->lpVtbl) - 1;
610
611     ok(IsEqualIID(header->piid, &IID_if1), "header iid differs\n");
612     ok(cstd_stub->RefCount == 1, "ref count %d\n", cstd_stub->RefCount);
613     /* 0xdeadbeef returned from create_stub_test_QI */
614     ok(cstd_stub->pvServerObject == (void*)0xdeadbeef, "pvServerObject %p\n", cstd_stub->pvServerObject);
615     ok(cstd_stub->pPSFactory == ppsf, "pPSFactory %p\n", cstd_stub->pPSFactory);
616
617     vtbl = &create_stub_test_fail_vtbl;
618     pstub = create_stub(ppsf, &IID_if1, obj, E_NOINTERFACE);
619
620 }
621
622 static HRESULT WINAPI connect_test_orig_QI(IUnknown *This, REFIID iid, void **ppv)
623 {
624     ok(IsEqualIID(iid, &IID_if1) ||
625        IsEqualIID(iid, &IID_if2), "incorrect iid\n");
626     *ppv = (void*)This;
627     return S_OK;
628 }
629
630 static int connect_test_orig_release_called;
631 static ULONG WINAPI connect_test_orig_release(IUnknown *This)
632 {
633     connect_test_orig_release_called++;
634     return 0;
635 }
636
637 static IUnknownVtbl connect_test_orig_vtbl =
638 {
639     connect_test_orig_QI,
640     NULL,
641     connect_test_orig_release
642 };
643
644 static HRESULT WINAPI connect_test_new_QI(IUnknown *This, REFIID iid, void **ppv)
645 {
646     ok(IsEqualIID(iid, &IID_if1) ||
647        IsEqualIID(iid, &IID_if2), "incorrect iid\n");
648     *ppv = (void*)0xcafebabe;
649     return S_OK;
650 }
651
652 static IUnknownVtbl connect_test_new_vtbl =
653 {
654     connect_test_new_QI,
655     NULL,
656     NULL
657 };
658
659 static HRESULT WINAPI connect_test_new_fail_QI(IUnknown *This, REFIID iid, void **ppv)
660 {
661     ok(IsEqualIID(iid, &IID_if1), "incorrect iid\n");
662     *ppv = (void*)0xdeadbeef;
663     return E_NOINTERFACE;
664 }
665
666 static IUnknownVtbl connect_test_new_fail_vtbl =
667 {
668     connect_test_new_fail_QI,
669     NULL,
670     NULL
671 };
672
673 static int connect_test_base_Connect_called;
674 static HRESULT WINAPI connect_test_base_Connect(IRpcStubBuffer *pstub, IUnknown *obj)
675 {
676     connect_test_base_Connect_called++;
677     ok(*(void**)obj == (void*)0xbeefcafe, "unexpected obj %p\n", obj);
678     return S_OK;
679 }
680
681 static IRpcStubBufferVtbl connect_test_base_stub_buffer_vtbl =
682 {
683     (void*)0xcafebab0,
684     (void*)0xcafebab1,
685     (void*)0xcafebab2,
686     connect_test_base_Connect,
687     (void*)0xcafebab4,
688     (void*)0xcafebab5,
689     (void*)0xcafebab6,
690     (void*)0xcafebab7,
691     (void*)0xcafebab8,
692     (void*)0xcafebab9
693 };
694
695 static void test_Connect(IPSFactoryBuffer *ppsf)
696 {
697     IUnknownVtbl *orig_vtbl = &connect_test_orig_vtbl;
698     IUnknownVtbl *new_vtbl = &connect_test_new_vtbl;
699     IUnknownVtbl *new_fail_vtbl = &connect_test_new_fail_vtbl;
700     IUnknown *obj = (IUnknown*)&orig_vtbl;
701     IRpcStubBuffer *pstub = create_stub(ppsf, &IID_if1, obj, S_OK); 
702     CStdStubBuffer *cstd_stub = (CStdStubBuffer*)pstub;
703     IRpcStubBufferVtbl *base_stub_buf_vtbl = &connect_test_base_stub_buffer_vtbl;
704     HRESULT r;
705
706     obj = (IUnknown*)&new_vtbl;
707     r = IRpcStubBuffer_Connect(pstub, obj);
708     ok(r == S_OK, "r %08x\n", r);
709     ok(connect_test_orig_release_called == 1, "release called %d\n", connect_test_orig_release_called);
710     ok(cstd_stub->pvServerObject == (void*)0xcafebabe, "pvServerObject %p\n", cstd_stub->pvServerObject);
711
712     cstd_stub->pvServerObject = (IUnknown*)&orig_vtbl;
713     obj = (IUnknown*)&new_fail_vtbl;
714     r = IRpcStubBuffer_Connect(pstub, obj);
715     ok(r == E_NOINTERFACE, "r %08x\n", r);
716     ok(cstd_stub->pvServerObject == (void*)0xdeadbeef, "pvServerObject %p\n", cstd_stub->pvServerObject);
717     ok(connect_test_orig_release_called == 2, "release called %d\n", connect_test_orig_release_called);    
718
719     /* Now use a delegated stub.
720
721        We know from the NdrStubForwardFunction test that
722        (void**)pstub-1 is the base interface stub buffer.  This shows
723        that (void**)pstub-2 contains the address of a vtable that gets
724        passed to the base interface's Connect method.  Note that
725        (void**)pstub-2 itself gets passed to Connect and not
726        *((void**)pstub-2), so it should contain the vtable ptr and not
727        an interface ptr. */
728
729     obj = (IUnknown*)&orig_vtbl;
730     pstub = create_stub(ppsf, &IID_if2, obj, S_OK);
731     *((void**)pstub-1) = &base_stub_buf_vtbl;
732     *((void**)pstub-2) = (void*)0xbeefcafe;
733
734     obj = (IUnknown*)&new_vtbl;
735     r = IRpcStubBuffer_Connect(pstub, obj);
736     ok(connect_test_base_Connect_called == 1, "connect_test_bsae_Connect called %d times\n",
737        connect_test_base_Connect_called);
738     ok(connect_test_orig_release_called == 3, "release called %d\n", connect_test_orig_release_called);
739     cstd_stub = (CStdStubBuffer*)pstub;
740     ok(cstd_stub->pvServerObject == (void*)0xcafebabe, "pvServerObject %p\n", cstd_stub->pvServerObject);
741 }
742
743 static void test_Disconnect(IPSFactoryBuffer *ppsf)
744 {
745     IUnknownVtbl *orig_vtbl = &connect_test_orig_vtbl;
746     IUnknown *obj = (IUnknown*)&orig_vtbl;
747     IRpcStubBuffer *pstub = create_stub(ppsf, &IID_if1, obj, S_OK);
748     CStdStubBuffer *cstd_stub = (CStdStubBuffer*)pstub;
749
750     connect_test_orig_release_called = 0;
751     IRpcStubBuffer_Disconnect(pstub);
752     ok(connect_test_orig_release_called == 1, "release called %d\n", connect_test_orig_release_called);
753     ok(cstd_stub->pvServerObject == NULL, "pvServerObject %p\n", cstd_stub->pvServerObject);
754 }
755
756
757 static int release_test_psfacbuf_release_called;
758 static ULONG WINAPI release_test_pretend_psfacbuf_release(IUnknown *pUnk)
759 {
760     release_test_psfacbuf_release_called++;
761     return 1;
762 }
763
764 static IUnknownVtbl release_test_pretend_psfacbuf_vtbl =
765 {
766     NULL,
767     NULL,
768     release_test_pretend_psfacbuf_release
769 };
770
771 static void test_Release(IPSFactoryBuffer *ppsf)
772 {
773     LONG facbuf_refs;
774     IUnknownVtbl *orig_vtbl = &connect_test_orig_vtbl;
775     IUnknown *obj = (IUnknown*)&orig_vtbl;
776     IUnknownVtbl *pretend_psfacbuf_vtbl = &release_test_pretend_psfacbuf_vtbl;
777     IUnknown *pretend_psfacbuf = (IUnknown *)&pretend_psfacbuf_vtbl;
778     IRpcStubBuffer *pstub = create_stub(ppsf, &IID_if1, obj, S_OK);
779     CStdStubBuffer *cstd_stub = (CStdStubBuffer*)pstub;
780
781     facbuf_refs = PSFactoryBuffer.RefCount;
782
783     /* This shows that NdrCStdStubBuffer_Release doesn't call Disconnect */
784     ok(cstd_stub->RefCount == 1, "ref count %d\n", cstd_stub->RefCount);
785     connect_test_orig_release_called = 0;
786     IRpcStubBuffer_Release(pstub);
787 todo_wine {
788     ok(connect_test_orig_release_called == 0, "release called %d\n", connect_test_orig_release_called);
789 }
790     ok(PSFactoryBuffer.RefCount == facbuf_refs - 1, "factory buffer refs %d orig %d\n", PSFactoryBuffer.RefCount, facbuf_refs);
791
792     /* This shows that NdrCStdStubBuffer_Release calls Release on its 2nd arg, rather than on This->pPSFactory
793        (which are usually the same and indeed it's odd that _Release requires this 2nd arg). */
794     pstub = create_stub(ppsf, &IID_if1, obj, S_OK);
795     ok(PSFactoryBuffer.RefCount == facbuf_refs, "factory buffer refs %d orig %d\n", PSFactoryBuffer.RefCount, facbuf_refs);
796     NdrCStdStubBuffer_Release(pstub, (IPSFactoryBuffer*)pretend_psfacbuf);
797     ok(release_test_psfacbuf_release_called == 1, "pretend_psfacbuf_release called %d\n", release_test_psfacbuf_release_called);
798     ok(PSFactoryBuffer.RefCount == facbuf_refs, "factory buffer refs %d orig %d\n", PSFactoryBuffer.RefCount, facbuf_refs);
799 }
800
801 static HRESULT WINAPI delegating_invoke_test_QI(ITypeLib *pUnk, REFIID iid, void** ppv)
802 {
803
804     *ppv = pUnk;
805     return S_OK;
806 }
807
808 static ULONG WINAPI delegating_invoke_test_addref(ITypeLib *pUnk)
809 {
810     return 1;
811 }
812
813 static ULONG WINAPI delegating_invoke_test_release(ITypeLib *pUnk)
814 {
815     return 1;
816 }
817
818 static UINT WINAPI delegating_invoke_test_get_type_info_count(ITypeLib *pUnk)
819 {
820     return 0xabcdef;
821 }
822
823 static ITypeLibVtbl delegating_invoke_test_obj_vtbl =
824 {
825     delegating_invoke_test_QI,
826     delegating_invoke_test_addref,
827     delegating_invoke_test_release,
828     delegating_invoke_test_get_type_info_count,
829     NULL,
830     NULL,
831     NULL,
832     NULL,
833     NULL,
834     NULL,
835     NULL,
836     NULL,
837     NULL
838 };
839
840 static HRESULT WINAPI delegating_invoke_chan_query_interface(IRpcChannelBuffer *pchan,
841                                                              REFIID iid,
842                                                              void **ppv)
843 {
844     ok(0, "call to QueryInterface not expected\n");
845     return E_NOINTERFACE;
846 }
847
848 static ULONG WINAPI delegating_invoke_chan_add_ref(IRpcChannelBuffer *pchan)
849 {
850     return 2;
851 }
852
853 static ULONG WINAPI delegating_invoke_chan_release(IRpcChannelBuffer *pchan)
854 {
855     return 1;
856 }
857
858 static HRESULT WINAPI delegating_invoke_chan_get_buffer(IRpcChannelBuffer *pchan,
859                                                         RPCOLEMESSAGE *msg,
860                                                         REFIID iid)
861 {
862     msg->Buffer = HeapAlloc(GetProcessHeap(), 0, msg->cbBuffer);
863     return S_OK;
864 }
865
866 static HRESULT WINAPI delegating_invoke_chan_send_receive(IRpcChannelBuffer *pchan,
867                                                           RPCOLEMESSAGE *pMessage,
868                                                           ULONG *pStatus)
869 {
870     ok(0, "call to SendReceive not expected\n");
871     return E_NOTIMPL;
872 }
873
874 static HRESULT WINAPI delegating_invoke_chan_free_buffer(IRpcChannelBuffer *pchan,
875                                                          RPCOLEMESSAGE *pMessage)
876 {
877     ok(0, "call to FreeBuffer not expected\n");
878     return E_NOTIMPL;
879 }
880
881 static HRESULT WINAPI delegating_invoke_chan_get_dest_ctx(IRpcChannelBuffer *pchan,
882                                                           DWORD *pdwDestContext,
883                                                           void **ppvDestContext)
884 {
885     *pdwDestContext = MSHCTX_LOCAL;
886     *ppvDestContext = NULL;
887     return S_OK;
888 }
889
890 static HRESULT WINAPI delegating_invoke_chan_is_connected(IRpcChannelBuffer *pchan)
891 {
892     ok(0, "call to IsConnected not expected\n");
893     return E_NOTIMPL;
894 }
895
896 static IRpcChannelBufferVtbl delegating_invoke_test_rpc_chan_vtbl =
897 {
898     delegating_invoke_chan_query_interface,
899     delegating_invoke_chan_add_ref,
900     delegating_invoke_chan_release,
901     delegating_invoke_chan_get_buffer,
902     delegating_invoke_chan_send_receive,
903     delegating_invoke_chan_free_buffer,
904     delegating_invoke_chan_get_dest_ctx,
905     delegating_invoke_chan_is_connected
906 };
907
908 static void test_delegating_Invoke(IPSFactoryBuffer *ppsf)
909 {
910     ITypeLibVtbl *obj_vtbl = &delegating_invoke_test_obj_vtbl;
911     IUnknown *obj = (IUnknown*)&obj_vtbl;
912     IRpcStubBuffer *pstub = create_stub(ppsf, &IID_if2, obj, S_OK);
913     IRpcChannelBufferVtbl *pchan_vtbl = &delegating_invoke_test_rpc_chan_vtbl;
914     IRpcChannelBuffer *pchan = (IRpcChannelBuffer *)&pchan_vtbl;
915     HRESULT r = E_FAIL;
916     RPCOLEMESSAGE msg;
917
918     memset(&msg, 0, sizeof(msg));
919     msg.dataRepresentation = NDR_LOCAL_DATA_REPRESENTATION;
920     msg.iMethod = 3;
921     r = IRpcStubBuffer_Invoke(pstub, &msg, pchan);
922     ok(r == S_OK, "ret %08x\n", r);
923     if(r == S_OK)
924     {
925         ok(*(DWORD*)msg.Buffer == 0xabcdef, "buf[0] %08x\n", *(DWORD*)msg.Buffer);
926         ok(*((DWORD*)msg.Buffer + 1) == S_OK, "buf[1] %08x\n", *((DWORD*)msg.Buffer + 1));
927     }
928     /* free the buffer allocated by delegating_invoke_chan_get_buffer */
929     HeapFree(GetProcessHeap(), 0, msg.Buffer);
930     IRpcStubBuffer_Release(pstub);
931 }
932
933 START_TEST( cstub )
934 {
935     IPSFactoryBuffer *ppsf;
936
937     OleInitialize(NULL);
938
939     ppsf = test_NdrDllGetClassObject();
940     test_NdrStubForwardingFunction();
941     test_CreateStub(ppsf);
942     test_Connect(ppsf);
943     test_Disconnect(ppsf);
944     test_Release(ppsf);
945     test_delegating_Invoke(ppsf);
946
947     OleUninitialize();
948 }