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ole32/tests: Cope with an alignment hole between the two marshalled interfaces.

This commit is contained in:
Huw Davies 2009-05-19 11:35:00 +01:00 committed by Alexandre Julliard
parent 707f962896
commit 564b960428
1 changed files with 29 additions and 24 deletions
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53
dlls/ole32/tests/usrmarshal.c
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@ -633,41 +633,35 @@ static void test_marshal_STGMEDIUM(void)
USER_MARSHAL_CB umcb;
MIDL_STUB_MESSAGE stub_msg;
RPC_MESSAGE rpc_msg;
unsigned char *buffer, *buffer_end, *unk_buffer, *unk_buffer_end, *stm_buffer, *stm_buffer_end;
ULONG size, unk_size, stm_size;
unsigned char *buffer, *buffer_end, *expect_buffer, *expect_buffer_end;
ULONG size, expect_size;
STGMEDIUM med, med2;
IUnknown *unk = &Test_Unknown;
IStream *stm = &Test_Stream;
init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, NULL, 0, MSHCTX_DIFFERENTMACHINE);
unk_size = WdtpInterfacePointer_UserSize(&umcb.Flags, umcb.Flags, 0, unk, &IID_IUnknown);
unk_buffer = HeapAlloc(GetProcessHeap(), 0, unk_size);
init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, unk_buffer, unk_size, MSHCTX_DIFFERENTMACHINE);
unk_buffer_end = WdtpInterfacePointer_UserMarshal(&umcb.Flags, umcb.Flags, unk_buffer, unk, &IID_IUnknown);
init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, NULL, 0, MSHCTX_DIFFERENTMACHINE);
stm_size = WdtpInterfacePointer_UserSize(&umcb.Flags, umcb.Flags, 0, (IUnknown*)stm, &IID_IStream);
stm_buffer = HeapAlloc(GetProcessHeap(), 0, stm_size);
init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, stm_buffer, stm_size, MSHCTX_DIFFERENTMACHINE);
stm_buffer_end = WdtpInterfacePointer_UserMarshal(&umcb.Flags, umcb.Flags, stm_buffer, (IUnknown*)stm, &IID_IStream);
/* TYMED_NULL with pUnkForRelease */
init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, NULL, 0, MSHCTX_DIFFERENTMACHINE);
expect_size = WdtpInterfacePointer_UserSize(&umcb.Flags, umcb.Flags, 2 * sizeof(DWORD), unk, &IID_IUnknown);
expect_buffer = HeapAlloc(GetProcessHeap(), 0, expect_size);
init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, expect_buffer, expect_size, MSHCTX_DIFFERENTMACHINE);
expect_buffer_end = WdtpInterfacePointer_UserMarshal(&umcb.Flags, umcb.Flags, expect_buffer + 2 * sizeof(DWORD), unk, &IID_IUnknown);
med.tymed = TYMED_NULL;
U(med).pstg = NULL;
med.pUnkForRelease = unk;
init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, NULL, 0, MSHCTX_DIFFERENTMACHINE);
size = STGMEDIUM_UserSize(&umcb.Flags, 0, &med);
ok(size == unk_size + 2 * sizeof(DWORD), "size %d should be %d bytes\n", size, unk_size + 8);
ok(size == expect_size, "size %d should be %d bytes\n", size, expect_size);
buffer = HeapAlloc(GetProcessHeap(), 0, size);
init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, buffer, size, MSHCTX_DIFFERENTMACHINE);
buffer_end = STGMEDIUM_UserMarshal(&umcb.Flags, buffer, &med);
ok(buffer_end - buffer - 2 * sizeof(DWORD) == unk_buffer_end - unk_buffer, "buffer size mismatch\n");
ok(buffer_end - buffer == expect_buffer_end - expect_buffer, "buffer size mismatch\n");
ok(*(DWORD*)buffer == TYMED_NULL, "got %08x\n", *(DWORD*)buffer);
ok(*((DWORD*)buffer+1) != 0, "got %08x\n", *((DWORD*)buffer+1));
ok(!memcmp(buffer+8, unk_buffer, unk_buffer_end - unk_buffer), "buffer mismatch\n");
ok(!memcmp(buffer+8, expect_buffer + 8, expect_buffer_end - expect_buffer - 8), "buffer mismatch\n");
init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, buffer, size, MSHCTX_DIFFERENTMACHINE);
@ -686,25 +680,38 @@ static void test_marshal_STGMEDIUM(void)
init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, NULL, 0, MSHCTX_DIFFERENTMACHINE);
STGMEDIUM_UserFree(&umcb.Flags, &med2);
HeapFree(GetProcessHeap(), 0, expect_buffer);
/* TYMED_ISTREAM with pUnkForRelease */
init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, NULL, 0, MSHCTX_DIFFERENTMACHINE);
expect_size = WdtpInterfacePointer_UserSize(&umcb.Flags, umcb.Flags, 3 * sizeof(DWORD), (IUnknown*)stm, &IID_IStream);
expect_size = WdtpInterfacePointer_UserSize(&umcb.Flags, umcb.Flags, expect_size, unk, &IID_IUnknown);
expect_buffer = HeapAlloc(GetProcessHeap(), 0, expect_size);
/* There may be a hole between the two interfaces so init the buffer to something */
memset(expect_buffer, 0xcc, expect_size);
init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, expect_buffer, expect_size, MSHCTX_DIFFERENTMACHINE);
expect_buffer_end = WdtpInterfacePointer_UserMarshal(&umcb.Flags, umcb.Flags, expect_buffer + 3 * sizeof(DWORD), (IUnknown*)stm, &IID_IStream);
expect_buffer_end = WdtpInterfacePointer_UserMarshal(&umcb.Flags, umcb.Flags, expect_buffer_end, unk, &IID_IUnknown);
med.tymed = TYMED_ISTREAM;
U(med).pstm = stm;
med.pUnkForRelease = unk;
init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, NULL, 0, MSHCTX_DIFFERENTMACHINE);
size = STGMEDIUM_UserSize(&umcb.Flags, 0, &med);
ok(size == stm_size + unk_size + 3 * sizeof(DWORD), "size %d should be %d bytes\n", size, stm_size + unk_size + 3 * sizeof(DWORD));
ok(size == expect_size, "size %d should be %d bytes\n", size, expect_size);
buffer = HeapAlloc(GetProcessHeap(), 0, size);
memset(buffer, 0xcc, size);
init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, buffer, size, MSHCTX_DIFFERENTMACHINE);
buffer_end = STGMEDIUM_UserMarshal(&umcb.Flags, buffer, &med);
ok(buffer_end - buffer - 3 * sizeof(DWORD) == (unk_buffer_end - unk_buffer) + (stm_buffer_end - stm_buffer), "buffer size mismatch\n");
ok(buffer_end - buffer == expect_buffer_end - expect_buffer, "buffer size mismatch\n");
ok(*(DWORD*)buffer == TYMED_ISTREAM, "got %08x\n", *(DWORD*)buffer);
ok(*((DWORD*)buffer+1) != 0, "got %08x\n", *((DWORD*)buffer+1));
ok(*((DWORD*)buffer+2) != 0, "got %08x\n", *((DWORD*)buffer+2));
ok(!memcmp(buffer + 12, stm_buffer, stm_buffer_end - stm_buffer), "buffer mismatch\n");
ok(!memcmp(buffer + 12 + (stm_buffer_end - stm_buffer), unk_buffer, unk_buffer_end - unk_buffer), "buffer mismatch\n");
ok(!memcmp(buffer + 12, expect_buffer + 12, (buffer_end - buffer) - 12), "buffer mismatch\n");
init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, buffer, size, MSHCTX_DIFFERENTMACHINE);
@ -724,9 +731,7 @@ static void test_marshal_STGMEDIUM(void)
init_user_marshal_cb(&umcb, &stub_msg, &rpc_msg, NULL, 0, MSHCTX_DIFFERENTMACHINE);
STGMEDIUM_UserFree(&umcb.Flags, &med2);
HeapFree(GetProcessHeap(), 0, stm_buffer);
HeapFree(GetProcessHeap(), 0, unk_buffer);
HeapFree(GetProcessHeap(), 0, expect_buffer);
}
START_TEST(usrmarshal)