static HRESULT WINAPI StreamOnFileHandle_Seek(IStream *iface,
LARGE_INTEGER dlibMove, DWORD dwOrigin, ULARGE_INTEGER *plibNewPosition)
{
StreamOnFileHandle *This = StreamOnFileHandle_from_IStream(iface);
TRACE("(%p)\n", This);
return IWICStream_Seek(This->stream, dlibMove, dwOrigin, plibNewPosition);
}
static void test_StreamOnStreamRange(void)
{
IWICImagingFactory *pFactory;
IWICStream *pStream, *pSubStream;
IStream *CopyStream;
const BYTE CmpMem[] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
};
BYTE Memory[64], MemBuf[64];
LARGE_INTEGER LargeNull, LargeInt;
ULARGE_INTEGER uLargeNull, uNewPos, uSize;
ULONG uBytesRead, uBytesWritten;
HRESULT hr;
STATSTG Stats;
LargeNull.QuadPart = 0;
uLargeNull.QuadPart = 0;
memcpy(Memory, CmpMem, sizeof(CmpMem));
CoInitialize(NULL);
hr = CoCreateInstance(&CLSID_WICImagingFactory, NULL, CLSCTX_INPROC_SERVER, &IID_IWICImagingFactory, (void**)&pFactory);
if(FAILED(hr)) {
skip("CoCreateInstance returned with %#x, expected %#x\n", hr, S_OK);
return;
}
hr = IWICImagingFactory_CreateStream(pFactory, &pStream);
ok(hr == S_OK, "CreateStream returned with %#x, expected %#x\n", hr, S_OK);
if(FAILED(hr)) {
skip("Failed to create stream\n");
return;
}
hr = IWICStream_InitializeFromMemory(pStream, Memory, sizeof(Memory));
ok(hr == S_OK, "InitializeFromMemory returned with %#x, expected %#x\n", hr, S_OK);
hr = IWICImagingFactory_CreateStream(pFactory, &pSubStream);
ok(hr == S_OK, "CreateStream returned with %#x, expected %#x\n", hr, S_OK);
uNewPos.QuadPart = 20;
uSize.QuadPart = 20;
hr = IWICStream_InitializeFromIStreamRegion(pSubStream, (IStream*)pStream, uNewPos, uSize);
ok(hr == S_OK, "InitializeFromIStreamRegion returned with %#x, expected %#x\n", hr, S_OK);
if(FAILED(hr)) {
skip("InitializeFromIStreamRegion unimplemented\n");
IWICStream_Release(pSubStream);
IWICStream_Release(pStream);
IWICImagingFactory_Release(pFactory);
CoUninitialize();
return;
}
/* Seek */
hr = IWICStream_Seek(pSubStream, LargeNull, STREAM_SEEK_END, &uNewPos);
ok(uNewPos.u.HighPart == 0 && uNewPos.u.LowPart == 20, "Seek cursor moved to position (%u;%u), expected (%u;%u)\n", uNewPos.u.HighPart, uNewPos.u.LowPart, 0, 20);
ok(hr == S_OK, "Seek returned with %#x, expected %#x\n", hr, S_OK);
hr = IWICStream_Seek(pSubStream, LargeNull, STREAM_SEEK_SET, &uNewPos);
ok(hr == S_OK, "Seek returned with %#x, expected %#x\n", hr, S_OK);
ok(uNewPos.u.HighPart == 0 && uNewPos.u.LowPart == 0, "Seek cursor moved to position (%u;%u), expected (%u;%u)\n", uNewPos.u.HighPart, uNewPos.u.LowPart, 0, 0);
hr = IWICStream_Seek(pSubStream, LargeNull, STREAM_SEEK_SET, NULL);
ok(hr == S_OK, "Seek returned with %#x, expected %#x\n", hr, S_OK);
LargeInt.u.HighPart = 1;
LargeInt.u.LowPart = 0;
uNewPos.u.HighPart = 0xdeadbeef;
uNewPos.u.LowPart = 0xdeadbeef;
hr = IWICStream_Seek(pSubStream, LargeInt, STREAM_SEEK_SET, &uNewPos);
ok(hr == WINCODEC_ERR_VALUEOUTOFRANGE, "Seek returned with %#x, expected %#x\n", hr, WINCODEC_ERR_VALUEOUTOFRANGE);
ok(uNewPos.u.HighPart == 0xdeadbeef && uNewPos.u.LowPart == 0xdeadbeef, "Seek cursor initialized to position (%u;%u), expected (%u;%u)\n", uNewPos.u.HighPart, uNewPos.u.LowPart, 0xdeadbeef, 0xdeadbeef);
hr = IWICStream_Seek(pStream, LargeNull, STREAM_SEEK_CUR, &uNewPos);
ok(hr == S_OK, "Seek returned with %#x, expected %#x\n", hr, S_OK);
ok(uNewPos.u.HighPart == 0 && uNewPos.u.LowPart == 0, "Seek cursor moved to position (%u;%u), expected (%u;%u)\n", uNewPos.u.HighPart, uNewPos.u.LowPart, 0, 0);
LargeInt.QuadPart = 30;
uNewPos.u.HighPart = 0xdeadbeef;
uNewPos.u.LowPart = 0xdeadbeef;
hr = IWICStream_Seek(pSubStream, LargeInt, STREAM_SEEK_SET, &uNewPos);
ok(hr == WINCODEC_ERR_VALUEOUTOFRANGE, "Seek returned with %#x, expected %#x\n", hr, WINCODEC_ERR_VALUEOUTOFRANGE);
ok(uNewPos.u.HighPart == 0xdeadbeef && uNewPos.u.LowPart == 0xdeadbeef, "Seek cursor initialized to position (%u;%u), expected (%u;%u)\n", uNewPos.u.HighPart, uNewPos.u.LowPart, 0xdeadbeef, 0xdeadbeef);
hr = IWICStream_Seek(pStream, LargeNull, STREAM_SEEK_CUR, &uNewPos);
ok(hr == S_OK, "Seek returned with %#x, expected %#x\n", hr, S_OK);
ok(uNewPos.u.HighPart == 0 && uNewPos.u.LowPart == 0, "Seek cursor moved to position (%u;%u), expected (%u;%u)\n", uNewPos.u.HighPart, uNewPos.u.LowPart, 0, 0);
LargeInt.QuadPart = 1;
uNewPos.u.HighPart = 0xdeadbeef;
uNewPos.u.LowPart = 0xdeadbeef;
hr = IWICStream_Seek(pSubStream, LargeInt, STREAM_SEEK_END, &uNewPos);
ok(hr == WINCODEC_ERR_VALUEOUTOFRANGE, "Seek returned with %#x, expected %#x\n", hr, WINCODEC_ERR_VALUEOUTOFRANGE);
ok(uNewPos.u.HighPart == 0xdeadbeef && uNewPos.u.LowPart == 0xdeadbeef, "Seek cursor initialized to position (%u;%u), expected (%u;%u)\n", uNewPos.u.HighPart, uNewPos.u.LowPart, 0xdeadbeef, 0xdeadbeef);
hr = IWICStream_Seek(pStream, LargeNull, STREAM_SEEK_CUR, &uNewPos);
ok(hr == S_OK, "Seek returned with %#x, expected %#x\n", hr, S_OK);
ok(uNewPos.u.HighPart == 0 && uNewPos.u.LowPart == 0, "Seek cursor moved to position (%u;%u), expected (%u;%u)\n", uNewPos.u.HighPart, uNewPos.u.LowPart, 0, 0);
LargeInt.QuadPart = -1;
hr = IWICStream_Seek(pSubStream, LargeInt, STREAM_SEEK_END, &uNewPos);
ok(hr == S_OK, "Seek returned with %#x, expected %#x\n", hr, S_OK);
ok(uNewPos.u.HighPart == 0 && uNewPos.u.LowPart == 19, "bSeek cursor moved to position (%u;%u)\n", uNewPos.u.HighPart, uNewPos.u.LowPart);
IWICStream_Seek(pSubStream, LargeNull, STREAM_SEEK_SET, &uNewPos); /* reset seek pointer */
LargeInt.QuadPart = -25;
uNewPos.u.HighPart = 0xdeadbeef;
uNewPos.u.LowPart = 0xdeadbeef;
hr = IWICStream_Seek(pSubStream, LargeInt, STREAM_SEEK_END, &uNewPos);
ok(hr == WINCODEC_ERR_VALUEOUTOFRANGE,
"Seek returned with %#x, expected %#x\n", hr, HRESULT_FROM_WIN32(ERROR_ARITHMETIC_OVERFLOW));
ok(uNewPos.u.HighPart == 0xdeadbeef && uNewPos.u.LowPart == 0xdeadbeef, "Seek cursor initialized to position (%u;%u), expected (%u;%u)\n", uNewPos.u.HighPart, uNewPos.u.LowPart, 0xdeadbeef, 0xdeadbeef);
hr = IWICStream_Seek(pStream, LargeNull, STREAM_SEEK_CUR, &uNewPos);
ok(hr == S_OK, "Seek returned with %#x, expected %#x\n", hr, S_OK);
ok(uNewPos.u.HighPart == 0 && uNewPos.u.LowPart == 0, "Seek cursor moved to position (%u;%u), expected (%u;%u)\n", uNewPos.u.HighPart, uNewPos.u.LowPart, 0, 0); /* remains unchanged */
IWICStream_Seek(pSubStream, LargeNull, STREAM_SEEK_SET, NULL);
/* Read */
hr = IWICStream_Read(pSubStream, MemBuf, 12, &uBytesRead);
ok(hr == S_OK, "Read returned with %#x, expected %#x\n", hr, S_OK);
if(SUCCEEDED(hr)) {
ok(uBytesRead == 12, "Read %u bytes, expected %u\n", uBytesRead, 12);
ok(memcmp(MemBuf, CmpMem+20, 12) == 0, "Read returned invalid data!\n");
/* check whether the seek pointer has moved correctly */
IWICStream_Seek(pSubStream, LargeNull, STREAM_SEEK_CUR, &uNewPos);
ok(uNewPos.u.HighPart == 0 && uNewPos.u.LowPart == uBytesRead, "Seek cursor moved to position (%u;%u), expected (%u;%u)\n", uNewPos.u.HighPart, uNewPos.u.LowPart, 0, uBytesRead);
}
IWICStream_Seek(pSubStream, LargeNull, STREAM_SEEK_SET, NULL);
hr = IWICStream_Read(pSubStream, Memory, 10, &uBytesRead); /* source = dest */
ok(hr == S_OK, "Read returned with %#x, expected %#x\n", hr, S_OK);
if(SUCCEEDED(hr)) {
ok(uBytesRead == 10, "Read %u bytes, expected %u\n", uBytesRead, 10);
ok(memcmp(Memory, CmpMem+20, uBytesRead) == 0, "Read returned invalid data!\n");
}
IWICStream_Seek(pSubStream, LargeNull, STREAM_SEEK_SET, NULL);
hr = IWICStream_Read(pSubStream, Memory, 30, &uBytesRead); /* request too many bytes */
ok(hr == S_OK, "Read returned with %#x, expected %#x\n", hr, S_OK);
if(SUCCEEDED(hr)) {
ok(uBytesRead == 20, "Read %u bytes\n", uBytesRead);
ok(memcmp(Memory, CmpMem+20, uBytesRead) == 0, "Read returned invalid data!\n");
}
IWICStream_Seek(pSubStream, LargeNull, STREAM_SEEK_SET, NULL);
uBytesRead = 0xdeadbeef;
hr = IWICStream_Read(pSubStream, NULL, 1, &uBytesRead); /* destination buffer = NULL */
ok(hr == E_INVALIDARG, "Read returned with %#x, expected %#x\n", hr, E_INVALIDARG);
ok(uBytesRead == 0xdeadbeef, "Expected uBytesRead to be unchanged, got %u\n", uBytesRead);
hr = IWICStream_Read(pSubStream, MemBuf, 0, &uBytesRead); /* read 0 bytes */
ok(hr == S_OK, "Read returned with %#x, expected %#x\n", hr, S_OK);
uBytesRead = 0xdeadbeef;
hr = IWICStream_Read(pSubStream, NULL, 0, &uBytesRead);
ok(hr == E_INVALIDARG, "Read returned with %#x, expected %#x\n", hr, E_INVALIDARG);
ok(uBytesRead == 0xdeadbeef, "Expected uBytesRead to be unchanged, got %u\n", uBytesRead);
hr = IWICStream_Read(pSubStream, NULL, 0, NULL);
ok(hr == E_INVALIDARG, "Read returned with %#x, expected %#x\n", hr, E_INVALIDARG);
hr = IWICStream_Read(pSubStream, MemBuf, 1, NULL);
ok(hr == S_OK, "Read returned with %#x, expected %#x\n", hr, S_OK);
IWICStream_Seek(pSubStream, LargeNull, STREAM_SEEK_SET, NULL);
ZeroMemory(MemBuf, sizeof(MemBuf));
hr = IWICStream_Read(pSubStream, MemBuf, 30, &uBytesRead);
ok(hr == S_OK, "Read returned with %#x, expected %#x\n", hr, S_OK);
if(SUCCEEDED(hr)) {
ok(uBytesRead == 20, "Read %u bytes\n", uBytesRead);
ok(memcmp(Memory, CmpMem+20, 20) == 0, "Read returned invalid data!\n");
}
IWICStream_Seek(pSubStream, LargeNull, STREAM_SEEK_SET, NULL);
/* Write */
MemBuf[0] = CmpMem[0] + 1;
MemBuf[1] = CmpMem[1] + 1;
MemBuf[2] = CmpMem[2] + 1;
hr = IWICStream_Write(pSubStream, MemBuf, 3, &uBytesWritten);
ok(hr == S_OK, "Write returned with %#x, expected %#x\n", hr, S_OK);
if(SUCCEEDED(hr)) {
ok(uBytesWritten == 3, "Wrote %u bytes, expected %u\n", uBytesWritten, 3);
ok(memcmp(MemBuf, Memory+20, 3) == 0, "Wrote returned invalid data!\n"); /* make sure we're writing directly */
/* check whether the seek pointer has moved correctly */
IWICStream_Seek(pSubStream, LargeNull, STREAM_SEEK_CUR, &uNewPos);
ok(uNewPos.u.HighPart == 0 && uNewPos.u.LowPart == uBytesWritten, "Seek cursor moved to position (%u;%u), expected (%u;%u)\n", uNewPos.u.HighPart, uNewPos.u.LowPart, 0, uBytesWritten);
}
IWICStream_Seek(pSubStream, LargeNull, STREAM_SEEK_SET, NULL);
hr = IWICStream_Write(pSubStream, MemBuf, 0, &uBytesWritten);
ok(hr == S_OK, "Read returned with %#x, expected %#x\n", hr, S_OK);
uBytesWritten = 0xdeadbeef;
hr = IWICStream_Write(pSubStream, NULL, 3, &uBytesWritten);
ok(hr == E_INVALIDARG, "Write returned with %#x, expected %#x\n", hr, E_INVALIDARG);
ok(uBytesWritten == 0xdeadbeef, "Expected uBytesWritten to be unchanged, got %u\n", uBytesWritten);
IWICStream_Seek(pSubStream, LargeNull, STREAM_SEEK_CUR, &uNewPos);
ok(uNewPos.u.HighPart == 0 && uNewPos.u.LowPart == 0, "Seek cursor moved to position (%u;%u), expected (%u;%u)\n", uNewPos.u.HighPart, uNewPos.u.LowPart, 0, 0);
uBytesWritten = 0xdeadbeef;
hr = IWICStream_Write(pSubStream, NULL, 0, &uBytesWritten);
ok(hr == E_INVALIDARG, "Write returned with %#x, expected %#x\n", hr, E_INVALIDARG);
ok(uBytesWritten == 0xdeadbeef, "Expected uBytesWritten to be unchanged, got %u\n", uBytesWritten);
IWICStream_Seek(pSubStream, LargeNull, STREAM_SEEK_CUR, &uNewPos);
ok(uNewPos.u.HighPart == 0 && uNewPos.u.LowPart == 0, "Seek cursor moved to position (%u;%u), expected (%u;%u)\n", uNewPos.u.HighPart, uNewPos.u.LowPart, 0, 0);
hr = IWICStream_Write(pSubStream, CmpMem, 30, &uBytesWritten);
ok(hr == S_OK, "Write returned with %#x, expected %#x\n", hr, STG_E_MEDIUMFULL);
ok(uBytesWritten == 20, "Wrote %u bytes, expected %u\n", uBytesWritten, 0);
IWICStream_Seek(pSubStream, LargeNull, STREAM_SEEK_CUR, &uNewPos);
ok(uNewPos.u.HighPart == 0 && uNewPos.u.LowPart == uBytesWritten, "Seek cursor moved to position (%u;%u), expected (%u;%u)\n", uNewPos.u.HighPart, uNewPos.u.LowPart, 0, uBytesWritten);
IWICStream_Seek(pSubStream, LargeNull, STREAM_SEEK_SET, NULL);
/* SetSize */
uNewPos.u.HighPart = 0;
uNewPos.u.LowPart = sizeof(Memory) + 10;
hr = IWICStream_SetSize(pSubStream, uNewPos);
ok(hr == E_NOTIMPL, "SetSize returned %#x, expected %#x\n", hr, E_NOTIMPL);
uNewPos.u.HighPart = 0;
uNewPos.u.LowPart = sizeof(Memory);
hr = IWICStream_SetSize(pSubStream, uNewPos);
ok(hr == E_NOTIMPL, "SetSize returned %#x, expected %#x\n", hr, E_NOTIMPL);
uNewPos.u.HighPart = 0;
uNewPos.u.LowPart = sizeof(Memory) - 10;
hr = IWICStream_SetSize(pSubStream, uNewPos);
ok(hr == E_NOTIMPL, "SetSize returned %#x, expected %#x\n", hr, E_NOTIMPL);
uNewPos.u.HighPart = 0;
uNewPos.u.LowPart = 0;
hr = IWICStream_SetSize(pSubStream, uNewPos);
ok(hr == E_NOTIMPL, "SetSize returned %#x, expected %#x\n", hr, E_NOTIMPL);
uNewPos.QuadPart = -10;
hr = IWICStream_SetSize(pSubStream, uNewPos);
ok(hr == E_NOTIMPL, "SetSize returned %#x, expected %#x\n", hr, E_NOTIMPL);
/* CopyTo */
uNewPos.u.HighPart = 0;
uNewPos.u.LowPart = 30;
hr = IWICStream_CopyTo(pSubStream, NULL, uNewPos, NULL, NULL);
ok(hr == E_NOTIMPL, "CopyTo returned %#x, expected %#x\n", hr, E_NOTIMPL);
hr = CreateStreamOnHGlobal(NULL, TRUE, &CopyStream);
ok(hr == S_OK, "CreateStream failed with %#x\n", hr);
hr = IWICStream_CopyTo(pSubStream, CopyStream, uNewPos, NULL, NULL);
ok(hr == E_NOTIMPL, "CopyTo returned %#x, expected %#x\n", hr, E_NOTIMPL);
IStream_Release(CopyStream);
/* Commit */
hr = IWICStream_Commit(pSubStream, STGC_DEFAULT);
ok(hr == E_NOTIMPL, "Commit returned %#x, expected %#x\n", hr, E_NOTIMPL);
hr = IWICStream_Commit(pSubStream, STGC_OVERWRITE);
ok(hr == E_NOTIMPL, "Commit returned %#x, expected %#x\n", hr, E_NOTIMPL);
hr = IWICStream_Commit(pSubStream, STGC_ONLYIFCURRENT);
ok(hr == E_NOTIMPL, "Commit returned %#x, expected %#x\n", hr, E_NOTIMPL);
hr = IWICStream_Commit(pSubStream, STGC_DANGEROUSLYCOMMITMERELYTODISKCACHE);
ok(hr == E_NOTIMPL, "Commit returned %#x, expected %#x\n", hr, E_NOTIMPL);
hr = IWICStream_Commit(pSubStream, STGC_CONSOLIDATE);
ok(hr == E_NOTIMPL, "Commit returned %#x, expected %#x\n", hr, E_NOTIMPL);
/* Revert */
IWICStream_Write(pSubStream, &MemBuf[5], 6, NULL);
hr = IWICStream_Revert(pSubStream);
ok(hr == E_NOTIMPL, "Revert returned %#x, expected %#x\n", hr, E_NOTIMPL);
memcpy(Memory, CmpMem, sizeof(Memory));
/* LockRegion/UnlockRegion */
hr = IWICStream_LockRegion(pSubStream, uLargeNull, uLargeNull, 0);
ok(hr == E_NOTIMPL, "LockRegion returned %#x, expected %#x\n", hr, E_NOTIMPL);
hr = IWICStream_UnlockRegion(pSubStream, uLargeNull, uLargeNull, 0);
ok(hr == E_NOTIMPL, "UnlockRegion returned %#x, expected %#x\n", hr, E_NOTIMPL);
/* Stat */
hr = IWICStream_Stat(pSubStream, NULL, 0);
ok(hr == E_INVALIDARG, "Stat returned %#x, expected %#x\n", hr, E_INVALIDARG);
hr = IWICStream_Stat(pSubStream, &Stats, 0);
ok(hr == S_OK, "Stat returned %#x, expected %#x\n", hr, S_OK);
ok(Stats.pwcsName == NULL, "Stat returned name %p, expected %p\n", Stats.pwcsName, NULL);
ok(Stats.type == STGTY_STREAM, "Stat returned type %d, expected %d\n", Stats.type, STGTY_STREAM);
ok(Stats.cbSize.u.HighPart == 0 && Stats.cbSize.u.LowPart == 20, "Stat returned size (%u;%u)\n", Stats.cbSize.u.HighPart, Stats.cbSize.u.LowPart);
ok(Stats.mtime.dwHighDateTime == 0 && Stats.mtime.dwLowDateTime == 0, "Stat returned mtime (%u;%u), expected (%u;%u)\n", Stats.mtime.dwHighDateTime, Stats.mtime.dwLowDateTime, 0, 0);
ok(Stats.ctime.dwHighDateTime == 0 && Stats.ctime.dwLowDateTime == 0, "Stat returned ctime (%u;%u), expected (%u;%u)\n", Stats.ctime.dwHighDateTime, Stats.ctime.dwLowDateTime, 0, 0);
ok(Stats.atime.dwHighDateTime == 0 && Stats.atime.dwLowDateTime == 0, "Stat returned atime (%u;%u), expected (%u;%u)\n", Stats.atime.dwHighDateTime, Stats.atime.dwLowDateTime, 0, 0);
ok(Stats.grfMode == 0, "Stat returned access mode %d, expected %d\n", Stats.grfMode, 0);
ok(Stats.grfLocksSupported == 0, "Stat returned supported locks %#x, expected %#x\n", Stats.grfLocksSupported, 0);
ok(Stats.grfStateBits == 0, "Stat returned state bits %#x, expected %#x\n", Stats.grfStateBits, 0);
/* Clone */
hr = IWICStream_Clone(pSubStream, &CopyStream);
ok(hr == E_NOTIMPL, "Clone returned %#x, expected %#x\n", hr, E_NOTIMPL);
IWICStream_Release(pSubStream);
/* Recreate, this time larger than the original. */
hr = IWICImagingFactory_CreateStream(pFactory, &pSubStream);
ok(hr == S_OK, "CreateStream returned with %#x, expected %#x\n", hr, S_OK);
uNewPos.QuadPart = 48;
uSize.QuadPart = 32;
hr = IWICStream_InitializeFromIStreamRegion(pSubStream, (IStream*)pStream, uNewPos, uSize);
ok(hr == S_OK, "InitializeFromMemory returned with %#x, expected %#x\n", hr, S_OK);
hr = IWICStream_Seek(pSubStream, LargeNull, STREAM_SEEK_END, &uNewPos);
ok(hr == S_OK, "Seek returned with %#x, expected %#x\n", hr, S_OK);
ok(uNewPos.u.HighPart == 0 && uNewPos.u.LowPart == 16, "Seek cursor moved to position (%u;%u), expected (%u;%u)\n", uNewPos.u.HighPart, uNewPos.u.LowPart, 0, 16);
IWICStream_Seek(pSubStream, LargeNull, STREAM_SEEK_SET, NULL);
hr = IWICStream_Read(pSubStream, Memory, 48, &uBytesRead);
ok(hr == S_OK, "Read returned with %#x, expected %#x\n", hr, S_OK);
if(SUCCEEDED(hr)) {
ok(uBytesRead == 16, "Read %u bytes\n", uBytesRead);
ok(memcmp(Memory, CmpMem+48, uBytesRead) == 0, "Read returned invalid data!\n");
}
IWICStream_Seek(pSubStream, LargeNull, STREAM_SEEK_SET, NULL);
uBytesWritten = 0xdeadbeef;
hr = IWICStream_Write(pSubStream, CmpMem, 32, &uBytesWritten);
ok(hr == STG_E_MEDIUMFULL, "Write returned with %#x, expected %#x\n", hr, STG_E_MEDIUMFULL);
ok(uBytesWritten == 0xdeadbeef, "Expected uBytesWritten to be unchanged, got %u\n", uBytesWritten);
IWICStream_Seek(pSubStream, LargeNull, STREAM_SEEK_CUR, &uNewPos);
ok(uNewPos.u.HighPart == 0 && uNewPos.u.LowPart == 0, "Seek cursor moved to position (%u;%u), expected (%u;%u)\n", uNewPos.u.HighPart, uNewPos.u.LowPart, 0, 0);
IWICStream_Release(pSubStream);
IWICStream_Release(pStream);
IWICImagingFactory_Release(pFactory);
CoUninitialize();
}