clist.c File Reference

#include <stdarg.h>
#include "wine/test.h"
#include "windef.h"
#include "winbase.h"
#include "objbase.h"
#include "shlobj.h"

Include dependency graph for clist.c:

Go to the source code of this file.

Classes
struct	dummystream

Macros
#define	COBJMACROS

Functions
static struct dummystream *	impl_from_IStream (IStream *iface)
static HRESULT WINAPI	QueryInterface (IStream *iface, REFIID riid, void **ret_iface)
static ULONG WINAPI	AddRef (IStream *iface)
static ULONG WINAPI	Release (IStream *iface)
static HRESULT WINAPI	Read (IStream *iface, void *lpMem, ULONG ulSize, ULONG *lpRead)
static HRESULT WINAPI	Write (IStream *iface, const void *lpMem, ULONG ulSize, ULONG *lpWritten)
static HRESULT WINAPI	Seek (IStream *iface, LARGE_INTEGER dlibMove, DWORD dwOrigin, ULARGE_INTEGER *plibNewPosition)
static HRESULT WINAPI	Stat (IStream *iface, STATSTG *pstatstg, DWORD grfStatFlag)
static	void (WINAPI *pSHFreeDataBlockList)(DATABLOCK_HEADER *)
static	HRESULT (WINAPI *pSHAddDataBlock)(DATABLOCK_HEADER **
static DATABLOCK_HEADER *static	BOOL (WINAPI *pSHRemoveDataBlock)(DATABLOCK_HEADER **
static DATABLOCK_HEADER *WINAPI *	pSHFindDataBlock (DATABLOCK_HEADER *, ULONG)
static ULARGE_INTEGER *static BOOL	InitFunctionPtrs (void)
static void	InitDummyStream (struct dummystream *obj)
static void	test_CList (void)
static BOOL	test_SHIsEmptyStream (void)
static void	test_IStream_Read (void)
static void	test_IStream_Write (void)
static void	test_IStream_Reset (void)
static void	test_IStream_Size (void)
	START_TEST (clist)

Variables
static const DATABLOCK_HEADER	clist_items []
static IStreamVtbl	iclvt
static HMODULE	SHLWAPI_hshlwapi = 0
static DATABLOCK_HEADER *static	ULONG

Macro Definition Documentation

COBJMACROS

#define COBJMACROS

Definition at line 20 of file clist.c.

Function Documentation

AddRef()

static ULONG WINAPI AddRef ( IStream *  iface )

static

Definition at line 83 of file clist.c.

{
    struct dummystream *This = impl_from_IStream(iface);
 
    return InterlockedIncrement(&This->ref);
}

Referenced by DECLARE_INTERFACE(), DECLARE_INTERFACE_(), DECLARE_INTERFACE_IID_(), CNetConnectionManager::EnumConnections(), CMruNode::GetNode(), IComSrvQI< IUnknown >::IComSrvQI(), CKsInterfaceHandler::KsProcessMediaSamples(), CMiniport::NonDelegatingQueryInterface(), RecycleBin5::QueryInterface(), IComSrvQI< BASE >::QueryInterface(), CMruBase::QueryInterface(), CMruPidlList::QueryInterface(), anonymous_namespace{mstscax.cpp}::CoClass::CoClassInner::QueryInterface(), RecycleBinGeneric::QueryInterface(), RecycleBinGenericEnum::QueryInterface(), RecycleBin5File::QueryInterface(), RecycleBin5Enum::QueryInterface(), SHIsBadInterfacePtr(), START_TEST(), STDMETHODIMP_(), and test_NdrDllGetClassObject().

BOOL()

static DATABLOCK_HEADER *static BOOL ( WINAPI *  pSHRemoveDataBlock )

static

HRESULT()

static HRESULT ( WINAPI *  pSHAddDataBlock )

static

impl_from_IStream()

static struct dummystream * impl_from_IStream ( IStream *  iface )

inlinestatic

Definition at line 66 of file clist.c.

{
    return CONTAINING_RECORD(iface, struct dummystream, IStream_iface);
}

Referenced by AddRef(), Read(), Release(), Seek(), Stat(), and Write().

InitDummyStream()

static void InitDummyStream ( struct dummystream *  obj )

static

Definition at line 263 of file clist.c.

{
    obj->IStream_iface.lpVtbl = &iclvt;
    obj->ref = 1;
    obj->readcalls = 0;
    obj->failreadcall = FALSE;
    obj->failreadsize = FALSE;
    obj->readbeyondend = FALSE;
    obj->readreturnlarge = FALSE;
    obj->writecalls = 0;
    obj->failwritecall = FALSE;
    obj->failwritesize = FALSE;
    obj->seekcalls = 0;
    obj->statcalls = 0;
    obj->failstatcall = FALSE;
    obj->item = clist_items;
    obj->pos.QuadPart = 0;
}

Referenced by test_CList(), test_IStream_Read(), test_IStream_Reset(), test_IStream_Size(), test_IStream_Write(), and test_SHIsEmptyStream().

InitFunctionPtrs()

static ULARGE_INTEGER *static BOOL InitFunctionPtrs ( void  )

static

Definition at line 227 of file clist.c.

{
  SHLWAPI_hshlwapi = GetModuleHandleA("shlwapi.dll");
 
  /* SHCreateStreamOnFileEx was introduced in shlwapi v6.0 */
  if(!GetProcAddress(SHLWAPI_hshlwapi, "SHCreateStreamOnFileEx")){
      win_skip("Too old shlwapi version\n");
      return FALSE;
  }
 
  pSHWriteDataBlockList = (void *)GetProcAddress( SHLWAPI_hshlwapi, (LPSTR)17);
  ok(pSHWriteDataBlockList != 0, "No Ordinal 17\n");
  pSHReadDataBlockList = (void *)GetProcAddress( SHLWAPI_hshlwapi, (LPSTR)18);
  ok(pSHReadDataBlockList != 0, "No Ordinal 18\n");
  pSHFreeDataBlockList = (void *)GetProcAddress( SHLWAPI_hshlwapi, (LPSTR)19);
  ok(pSHFreeDataBlockList != 0, "No Ordinal 19\n");
  pSHAddDataBlock = (void *)GetProcAddress( SHLWAPI_hshlwapi, (LPSTR)20);
  ok(pSHAddDataBlock != 0, "No Ordinal 20\n");
  pSHRemoveDataBlock = (void *)GetProcAddress( SHLWAPI_hshlwapi, (LPSTR)21);
  ok(pSHRemoveDataBlock != 0, "No Ordinal 21\n");
  pSHFindDataBlock = (void *)GetProcAddress( SHLWAPI_hshlwapi, (LPSTR)22);
  ok(pSHFindDataBlock != 0, "No Ordinal 22\n");
  pSHIsEmptyStream = (void *)GetProcAddress( SHLWAPI_hshlwapi, (LPSTR)166);
  ok(pSHIsEmptyStream != 0, "No Ordinal 166\n");
  pIStream_Read = (void *)GetProcAddress( SHLWAPI_hshlwapi, (LPSTR)184);
  ok(pIStream_Read != 0, "No Ordinal 184\n");
  pIStream_Write = (void *)GetProcAddress( SHLWAPI_hshlwapi, (LPSTR)212);
  ok(pIStream_Write != 0, "No Ordinal 212\n");
  pIStream_Reset = (void *)GetProcAddress( SHLWAPI_hshlwapi, (LPSTR)213);
  ok(pIStream_Reset != 0, "No Ordinal 213\n");
  pIStream_Size = (void *)GetProcAddress( SHLWAPI_hshlwapi, (LPSTR)214);
  ok(pIStream_Size != 0, "No Ordinal 214\n");
 
  return TRUE;
}

Referenced by START_TEST().

pSHFindDataBlock()

static DATABLOCK_HEADER *WINAPI * pSHFindDataBlock ( DATABLOCK_HEADER *  , ULONG    )

static

Referenced by InitFunctionPtrs(), and test_CList().

QueryInterface()

static HRESULT WINAPI QueryInterface ( IStream *  iface, REFIID  riid, void **  ret_iface  )

static

Definition at line 71 of file clist.c.

{
    if (IsEqualGUID(&IID_IUnknown, riid) || IsEqualGUID(&IID_IStream, riid)) {
        *ret_iface = iface;
        IStream_AddRef(iface);
        return S_OK;
    }
    trace("Unexpected REFIID %s\n", wine_dbgstr_guid(riid));
    *ret_iface = NULL;
    return E_NOINTERFACE;
}

Read()

static HRESULT WINAPI Read ( IStream *  iface, void *  lpMem, ULONG  ulSize, ULONG *  lpRead  )

static

Definition at line 97 of file clist.c.

{
  struct dummystream *This = impl_from_IStream(iface);
  HRESULT hRet = S_OK;
 
  ++This->readcalls;
  if (This->failreadcall)
  {
    return STG_E_ACCESSDENIED;
  }
  else if (This->failreadsize)
  {
    *lpRead = ulSize + 8;
    return S_OK;
  }
  else if (This->readreturnlarge)
  {
    *((ULONG*)lpMem) = 0xffff01;
    *lpRead = ulSize;
    This->readreturnlarge = FALSE;
    return S_OK;
  }
  if (ulSize == sizeof(ULONG))
  {
    /* Read size of item */
    *((ULONG*)lpMem) = This->item->cbSize ? This->item->cbSize + sizeof(DATABLOCK_HEADER) : 0;
    *lpRead = ulSize;
  }
  else
  {
    unsigned int i;
    char* buff = lpMem;
 
    /* Read item data */
    if (!This->item->cbSize)
    {
      This->readbeyondend = TRUE;
      *lpRead = 0;
      return E_FAIL; /* Should never happen */
    }
    *((ULONG *)lpMem) = This->item->dwSignature;
    *lpRead = ulSize;
 
    for (i = 0; i < This->item->cbSize; i++)
      buff[4+i] = i*2;
 
    This->item++;
  }
  return hRet;
}

Release()

static ULONG WINAPI Release ( IStream *  iface )

static

Definition at line 90 of file clist.c.

{
    struct dummystream *This = impl_from_IStream(iface);
 
    return InterlockedDecrement(&This->ref);
}

Seek()

static HRESULT WINAPI Seek ( IStream *  iface, LARGE_INTEGER  dlibMove, DWORD  dwOrigin, ULARGE_INTEGER *  plibNewPosition  )

static

Definition at line 167 of file clist.c.

{
  struct dummystream *This = impl_from_IStream(iface);
 
  ++This->seekcalls;
  This->pos.QuadPart = dlibMove.QuadPart;
  if (plibNewPosition)
    plibNewPosition->QuadPart = dlibMove.QuadPart;
  return S_OK;
}

Referenced by test_IStream_Reset(), and test_IStream_Size().

START_TEST()

START_TEST

(

clist

)

Definition at line 637 of file clist.c.

{
  if(!InitFunctionPtrs())
    return;
 
  test_CList();
 
  /* Test streaming if this version supports it */
  if (test_SHIsEmptyStream())
  {
    test_IStream_Read();
    test_IStream_Write();
    test_IStream_Reset();
    test_IStream_Size();
  }
}

Stat()

static HRESULT WINAPI Stat ( IStream *  iface, STATSTG *  pstatstg, DWORD  grfStatFlag  )

static

Definition at line 179 of file clist.c.

{
  struct dummystream *This = impl_from_IStream(iface);
 
  ++This->statcalls;
  if (This->failstatcall)
    return E_FAIL;
  if (pstatstg)
    pstatstg->cbSize.QuadPart = This->pos.QuadPart;
  return S_OK;
}

test_CList()

static void test_CList ( void  )

static

Definition at line 283 of file clist.c.

{
  struct dummystream streamobj;
  DATABLOCK_HEADER *list = NULL;
  const DATABLOCK_HEADER *item = clist_items;
  HRESULT hRet;
  DATABLOCK_HEADER *inserted;
  BYTE buff[64];
  unsigned int i;
  BOOL ret;
 
  if (!pSHWriteDataBlockList || !pSHReadDataBlockList || !pSHFreeDataBlockList || !pSHAddDataBlock ||
      !pSHRemoveDataBlock || !pSHFindDataBlock)
    return;
 
  /* Populate a list and test the items are added correctly */
  while (item->cbSize)
  {
    /* Create item and fill with data */
    inserted = (DATABLOCK_HEADER *)buff;
    inserted->cbSize = item->cbSize + sizeof(DATABLOCK_HEADER);
    inserted->dwSignature = item->dwSignature;
    for (i = 0; i < item->cbSize; i++)
      buff[sizeof(DATABLOCK_HEADER) + i] = i * 2;
 
    ret = pSHAddDataBlock(&list, inserted);
    ok(ret == TRUE, "got %d\n", ret);
 
    if (ret == TRUE)
    {
      ok(list && list->cbSize, "item not added\n");
 
      inserted = pSHFindDataBlock(list, item->dwSignature);
      ok(inserted != NULL, "lost after adding\n");
 
      ok(!inserted || inserted->dwSignature != ~0U, "find returned a container\n");
 
      /* Check size */
      if (inserted && (inserted->cbSize & 0x3))
      {
        /* Contained */
        ok(inserted[-1].dwSignature == ~0U, "invalid size is not countained\n");
        ok(inserted[-1].cbSize > inserted->cbSize + sizeof(DATABLOCK_HEADER),
           "container too small\n");
      }
      else if (inserted)
      {
        ok(inserted->cbSize == item->cbSize + sizeof(DATABLOCK_HEADER),
           "id %ld wrong size %ld\n", inserted->dwSignature, inserted->cbSize);
      }
      if (inserted)
      {
        BOOL bDataOK = TRUE;
        LPBYTE bufftest = (LPBYTE)inserted;
 
        for (i = 0; i < inserted->cbSize - sizeof(DATABLOCK_HEADER); i++)
          if (bufftest[sizeof(DATABLOCK_HEADER) + i] != i * 2)
            bDataOK = FALSE;
 
        ok(bDataOK == TRUE, "data corrupted on insert\n");
      }
      ok(!inserted || inserted->dwSignature == item->dwSignature, "find got wrong item\n");
    }
    item++;
  }
 
  /* Write the list */
  InitDummyStream(&streamobj);
 
  hRet = pSHWriteDataBlockList(&streamobj.IStream_iface, list);
  ok(hRet == S_OK, "write failed\n");
  if (hRet == S_OK)
  {
    /* 1 call for each element, + 1 for OK (use our null element for this) */
    ok(streamobj.writecalls == ARRAY_SIZE(clist_items), "wrong call count\n");
    ok(streamobj.readcalls == 0,"called Read() in write\n");
    ok(streamobj.seekcalls == 0,"called Seek() in write\n");
  }
 
  /* Failure cases for writing */
  InitDummyStream(&streamobj);
  streamobj.failwritecall = TRUE;
  hRet = pSHWriteDataBlockList(&streamobj.IStream_iface, list);
  ok(hRet == STG_E_ACCESSDENIED, "changed object failure return\n");
  ok(streamobj.writecalls == 1, "called object after failure\n");
  ok(streamobj.readcalls == 0,"called Read() after failure\n");
  ok(streamobj.seekcalls == 0,"called Seek() after failure\n");
 
  InitDummyStream(&streamobj);
  streamobj.failwritesize = TRUE;
  hRet = pSHWriteDataBlockList(&streamobj.IStream_iface, list);
  ok(hRet == STG_E_MEDIUMFULL || broken(hRet == E_FAIL) /* Win7 */,
     "changed size failure return\n");
  ok(streamobj.writecalls == 1, "called object after size failure\n");
  ok(streamobj.readcalls == 0,"called Read() after failure\n");
  ok(streamobj.seekcalls == 0,"called Seek() after failure\n");
 
  /* Invalid inputs for adding */
  inserted = (DATABLOCK_HEADER *)buff;
  inserted->cbSize = sizeof(DATABLOCK_HEADER) - 1;
  inserted->dwSignature = 33;
 
  ret = pSHAddDataBlock(NULL, inserted);
  ok(!ret, "got %d\n", ret);
 
  ret = pSHAddDataBlock(&list, inserted);
  ok(!ret, "got %d\n", ret);
 
  inserted = pSHFindDataBlock(list, 33);
  ok(inserted == NULL, "inserted bad element size\n");
 
  inserted = (DATABLOCK_HEADER *)buff;
  inserted->cbSize = 44;
  inserted->dwSignature = ~0U;
 
  ret = pSHAddDataBlock(&list, inserted);
  ok(!ret, "got %d\n", ret);
 
  item = clist_items;
 
  /* Look for nonexistent item in populated list */
  inserted = pSHFindDataBlock(list, 99999999);
  ok(inserted == NULL, "found a nonexistent item\n");
 
  while (item->cbSize)
  {
    BOOL bRet = pSHRemoveDataBlock(&list, item->dwSignature);
    ok(bRet == TRUE, "couldn't find item to delete\n");
    item++;
  }
 
  /* Look for nonexistent item in empty list */
  inserted = pSHFindDataBlock(list, 99999999);
  ok(inserted == NULL, "found an item in empty list\n");
 
  /* Create a list by reading in data */
  InitDummyStream(&streamobj);
 
  hRet = pSHReadDataBlockList(&streamobj.IStream_iface, &list);
  ok(hRet == S_OK, "failed create from Read()\n");
  if (hRet == S_OK)
  {
    ok(streamobj.readbeyondend == FALSE, "read beyond end\n");
    /* 2 calls per item, but only 1 for the terminator */
    ok(streamobj.readcalls == ARRAY_SIZE(clist_items) * 2 - 1, "wrong call count\n");
    ok(streamobj.writecalls == 0, "called Write() from create\n");
    ok(streamobj.seekcalls == 0,"called Seek() from create\n");
 
    item = clist_items;
 
    /* Check the items were added correctly */
    while (item->cbSize)
    {
      inserted = pSHFindDataBlock(list, item->dwSignature);
      ok(inserted != NULL, "lost after adding\n");
 
      ok(!inserted || inserted->dwSignature != ~0U, "find returned a container\n");
 
      /* Check size */
      if (inserted && inserted->cbSize & 0x3)
      {
        /* Contained */
        ok(inserted[-1].dwSignature == ~0U, "invalid size is not countained\n");
        ok(inserted[-1].cbSize > inserted->cbSize + sizeof(DATABLOCK_HEADER),
           "container too small\n");
      }
      else if (inserted)
      {
        ok(inserted->cbSize == item->cbSize + sizeof(DATABLOCK_HEADER),
           "id %ld wrong size %ld\n", inserted->dwSignature, inserted->cbSize);
      }
      ok(!inserted || inserted->dwSignature == item->dwSignature, "find got wrong item\n");
      if (inserted)
      {
        BOOL bDataOK = TRUE;
        LPBYTE bufftest = (LPBYTE)inserted;
 
        for (i = 0; i < inserted->cbSize - sizeof(DATABLOCK_HEADER); i++)
          if (bufftest[sizeof(DATABLOCK_HEADER) + i] != i * 2)
            bDataOK = FALSE;
 
        ok(bDataOK == TRUE, "data corrupted on insert\n");
      }
      item++;
    }
  }
 
  /* Failure cases for reading */
  InitDummyStream(&streamobj);
  streamobj.failreadcall = TRUE;
  hRet = pSHReadDataBlockList(&streamobj.IStream_iface, &list);
  ok(hRet == STG_E_ACCESSDENIED, "changed object failure return\n");
  ok(streamobj.readbeyondend == FALSE, "read beyond end\n");
  ok(streamobj.readcalls == 1, "called object after read failure\n");
  ok(streamobj.writecalls == 0,"called Write() after read failure\n");
  ok(streamobj.seekcalls == 0,"called Seek() after read failure\n");
 
  /* Read returns large object */
  InitDummyStream(&streamobj);
  streamobj.readreturnlarge = TRUE;
  hRet = pSHReadDataBlockList(&streamobj.IStream_iface, &list);
  ok(hRet == S_OK, "failed create from Read() with large item\n");
  ok(streamobj.readbeyondend == FALSE, "read beyond end\n");
  ok(streamobj.readcalls == 1,"wrong call count\n");
  ok(streamobj.writecalls == 0,"called Write() after read failure\n");
  ok(streamobj.seekcalls == 2,"wrong Seek() call count (%d)\n", streamobj.seekcalls);
 
  pSHFreeDataBlockList(list);
}

Referenced by START_TEST().

test_IStream_Read()

static void test_IStream_Read ( void  )

static

Definition at line 549 of file clist.c.

{
  struct dummystream streamobj;
  char buff[256];
  HRESULT hRet;
 
  if (!pIStream_Read)
    return;
 
  InitDummyStream(&streamobj);
  hRet = pIStream_Read(&streamobj.IStream_iface, buff, sizeof(buff));
 
  ok(hRet == S_OK, "failed Read()\n");
  ok(streamobj.readcalls == 1, "wrong call count\n");
  ok(streamobj.writecalls == 0, "called Write()\n");
  ok(streamobj.seekcalls == 0, "called Seek()\n");
}

Referenced by START_TEST().

test_IStream_Reset()

static void test_IStream_Reset ( void  )

static

Definition at line 585 of file clist.c.

{
  struct dummystream streamobj;
  ULARGE_INTEGER ul;
  LARGE_INTEGER ll;
  HRESULT hRet;
 
  if (!pIStream_Reset || !pIStream_Size)
    return;
 
  InitDummyStream(&streamobj);
  ll.QuadPart = 5000l;
  Seek(&streamobj.IStream_iface, ll, 0, NULL); /* Seek to 5000l */
 
  streamobj.seekcalls = 0;
  pIStream_Reset(&streamobj.IStream_iface);
  ok(streamobj.statcalls == 0, "called Stat()\n");
  ok(streamobj.readcalls == 0, "called Read()\n");
  ok(streamobj.writecalls == 0, "called Write()\n");
  ok(streamobj.seekcalls == 1, "wrong call count\n");
 
  ul.QuadPart = 50001;
  hRet = pIStream_Size(&streamobj.IStream_iface, &ul);
  ok(hRet == S_OK, "failed Stat()\n");
  ok(ul.QuadPart == 0, "213 didn't rewind stream\n");
}

Referenced by START_TEST().

test_IStream_Size()

static void test_IStream_Size ( void  )

static

Definition at line 612 of file clist.c.

{
  struct dummystream streamobj;
  ULARGE_INTEGER ul;
  LARGE_INTEGER ll;
  HRESULT hRet;
 
  if (!pIStream_Size)
    return;
 
  InitDummyStream(&streamobj);
  ll.QuadPart = 5000l;
  Seek(&streamobj.IStream_iface, ll, 0, NULL);
  ul.QuadPart = 0;
  streamobj.seekcalls = 0;
  hRet = pIStream_Size(&streamobj.IStream_iface, &ul);
 
  ok(hRet == S_OK, "failed Stat()\n");
  ok(streamobj.statcalls == 1, "wrong call count\n");
  ok(streamobj.readcalls == 0, "called Read()\n");
  ok(streamobj.writecalls == 0, "called Write()\n");
  ok(streamobj.seekcalls == 0, "called Seek()\n");
  ok(ul.QuadPart == 5000l, "Stat gave wrong size\n");
}

Referenced by START_TEST().

test_IStream_Write()

static void test_IStream_Write ( void  )

static

Definition at line 567 of file clist.c.

{
  struct dummystream streamobj;
  char buff[256] = {0};
  HRESULT hRet;
 
  if (!pIStream_Write)
    return;
 
  InitDummyStream(&streamobj);
  hRet = pIStream_Write(&streamobj.IStream_iface, buff, sizeof(buff));
 
  ok(hRet == S_OK, "failed Write()\n");
  ok(streamobj.readcalls == 0, "called Read()\n");
  ok(streamobj.writecalls == 1, "wrong call count\n");
  ok(streamobj.seekcalls == 0, "called Seek()\n");
}

Referenced by START_TEST().

test_SHIsEmptyStream()

static BOOL test_SHIsEmptyStream ( void  )

static

Definition at line 493 of file clist.c.

{
  struct dummystream streamobj;
  BOOL bRet;
 
  if (!pSHIsEmptyStream)
    return FALSE;
 
  InitDummyStream(&streamobj);
  bRet = pSHIsEmptyStream(&streamobj.IStream_iface);
 
  if (bRet != TRUE)
    return FALSE; /* This version doesn't support stream ops on clists */
 
  ok(streamobj.readcalls == 0, "called Read()\n");
  ok(streamobj.writecalls == 0, "called Write()\n");
  ok(streamobj.seekcalls == 0, "called Seek()\n");
  ok(streamobj.statcalls == 1, "wrong call count\n");
 
  streamobj.statcalls = 0;
  streamobj.pos.QuadPart = 50001;
 
  bRet = pSHIsEmptyStream(&streamobj.IStream_iface);
 
  ok(bRet == FALSE, "failed after seek adjusted\n");
  ok(streamobj.readcalls == 0, "called Read()\n");
  ok(streamobj.writecalls == 0, "called Write()\n");
  ok(streamobj.seekcalls == 0, "called Seek()\n");
  ok(streamobj.statcalls == 1, "wrong call count\n");
 
  /* Failure cases */
  InitDummyStream(&streamobj);
  streamobj.pos.QuadPart = 50001;
  streamobj.failstatcall = TRUE; /* 1: Stat() Bad, Read() OK */
  bRet = pSHIsEmptyStream(&streamobj.IStream_iface);
  ok(bRet == FALSE, "should be FALSE after read is OK\n");
  ok(streamobj.readcalls == 1, "wrong call count\n");
  ok(streamobj.writecalls == 0, "called Write()\n");
  ok(streamobj.seekcalls == 1, "wrong call count\n");
  ok(streamobj.statcalls == 1, "wrong call count\n");
  ok(streamobj.pos.QuadPart == 0, "Didn't seek to start\n");
 
  InitDummyStream(&streamobj);
  streamobj.pos.QuadPart = 50001;
  streamobj.failstatcall = TRUE;
  streamobj.failreadcall = TRUE; /* 2: Stat() Bad, Read() Bad Also */
  bRet = pSHIsEmptyStream(&streamobj.IStream_iface);
  ok(bRet == TRUE, "Should be true after read fails\n");
  ok(streamobj.readcalls == 1, "wrong call count\n");
  ok(streamobj.writecalls == 0, "called Write()\n");
  ok(streamobj.seekcalls == 0, "Called Seek()\n");
  ok(streamobj.statcalls == 1, "wrong call count\n");
  ok(streamobj.pos.QuadPart == 50001, "called Seek() after read failed\n");
  return TRUE;
}

Referenced by START_TEST().

void()

static void ( WINAPI *  pSHFreeDataBlockList )

static

Write()

static HRESULT WINAPI Write ( IStream *  iface, const void *  lpMem, ULONG  ulSize, ULONG *  lpWritten  )

static

Definition at line 148 of file clist.c.

{
  struct dummystream *This = impl_from_IStream(iface);
  HRESULT hRet = S_OK;
 
  ++This->writecalls;
  if (This->failwritecall)
  {
    return STG_E_ACCESSDENIED;
  }
  else if (This->failwritesize)
  {
    *lpWritten = 0;
  }
  else
    *lpWritten = ulSize;
  return hRet;
}

Variable Documentation

clist_items

const DATABLOCK_HEADER clist_items[]

static

Initial value:

=
{
  {4, 1},
  {8, 3},
  {12, 2},
  {16, 8},
  {20, 9},
  {3, 11},
  {9, 82},
  {33, 16},
  {32, 55},
  {24, 100},
  {39, 116},
  { 0, 0}
}

Definition at line 30 of file clist.c.

Referenced by InitDummyStream(), and test_CList().

iclvt

IStreamVtbl iclvt

static

Initial value:

=
{
  QueryInterface,
  AddRef,
  Release,
  Read,
  Write,
  Seek,
  NULL, 
  NULL, 
  NULL, 
  NULL, 
  NULL, 
  NULL, 
  Stat,
  NULL  
}

Definition at line 192 of file clist.c.

Referenced by InitDummyStream().

SHLWAPI_hshlwapi

HMODULE SHLWAPI_hshlwapi = 0

static

Definition at line 211 of file clist.c.

Referenced by InitFunctionPtrs().

ULONG

const void ULONG

Definition at line 215 of file clist.c.