Dmitry Timoshkov : ole32/tests: Add tests for HGLOBAL based IStream::Clone.
Module: wine Branch: master Commit: 3f4f6fca3ce6484c4918be9db57047176a8388e7 URL: https://source.winehq.org/git/wine.git/?a=commit;h=3f4f6fca3ce6484c4918be9db... Author: Dmitry Timoshkov <dmitry(a)baikal.ru> Date: Tue Aug 11 12:49:48 2020 +0100 ole32/tests: Add tests for HGLOBAL based IStream::Clone. Signed-off-by: Huw Davies <huw(a)codeweavers.com> Signed-off-by: Alexandre Julliard <julliard(a)winehq.org> --- dlls/ole32/tests/hglobalstream.c | 199 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 199 insertions(+) diff --git a/dlls/ole32/tests/hglobalstream.c b/dlls/ole32/tests/hglobalstream.c index 6a0498aa60..1825fa9c1e 100644 --- a/dlls/ole32/tests/hglobalstream.c +++ b/dlls/ole32/tests/hglobalstream.c @@ -2,6 +2,7 @@ * Stream on HGLOBAL Tests * * Copyright 2006 Robert Shearman (for CodeWeavers) + * Copyright 2016 Dmitry Timoshkov * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public @@ -514,9 +515,207 @@ static void test_freed_hglobal(void) IStream_Release(pStream); } +static void stream_info(IStream *stream, HGLOBAL *hmem, int *size, int *pos) +{ + HRESULT hr; + STATSTG stat; + LARGE_INTEGER offset; + ULARGE_INTEGER newpos; + + *hmem = 0; + *size = *pos = -1; + + hr = GetHGlobalFromStream(stream, hmem); + ok(hr == S_OK, "unexpected %#x\n", hr); + + memset(&stat, 0x55, sizeof(stat)); + hr = IStream_Stat(stream, &stat, STATFLAG_DEFAULT); + ok(hr == S_OK, "unexpected %#x\n", hr); + ok(stat.type == STGTY_STREAM, "unexpected %#x\n", stat.type); + ok(!stat.pwcsName, "unexpected %p\n", stat.pwcsName); + ok(IsEqualIID(&stat.clsid, &GUID_NULL), "unexpected %s\n", wine_dbgstr_guid(&stat.clsid)); + ok(!stat.cbSize.HighPart, "unexpected %#x\n", stat.cbSize.HighPart); + *size = stat.cbSize.LowPart; + + offset.QuadPart = 0; + hr = IStream_Seek(stream, offset, STREAM_SEEK_CUR, &newpos); + ok(hr == S_OK, "unexpected %#x\n", hr); + ok(!newpos.HighPart, "unexpected %#x\n", newpos.HighPart); + *pos = newpos.LowPart; +} + +static void test_IStream_Clone(void) +{ + static const char hello[] = "Hello World!"; + char buf[32]; + HRESULT hr; + IStream *stream, *clone; + HGLOBAL orig_hmem, hmem, hmem_clone; + ULARGE_INTEGER newsize; + LARGE_INTEGER offset; + int size, pos, ret; + + /* test simple case for Clone */ + orig_hmem = GlobalAlloc(GMEM_MOVEABLE, 0); + ok(orig_hmem != 0, "unexpected %p\n", orig_hmem); + hr = CreateStreamOnHGlobal(orig_hmem, TRUE, &stream); + ok(hr == S_OK, "unexpected %#x\n", hr); + + stream_info(stream, &hmem, &size, &pos); + ok(hmem == orig_hmem, "handles should match\n"); + ok(size == 0, "unexpected %d\n", size); + ok(pos == 0, "unexpected %d\n", pos); + + hr = IStream_Clone(stream, &clone); + ok(hr == S_OK, "unexpected %#x\n", hr); + + hr = IStream_Write(stream, hello, sizeof(hello), NULL); + ok(hr == S_OK, "unexpected %#x\n", hr); + + stream_info(stream, &hmem, &size, &pos); + ok(hmem == orig_hmem, "handles should match\n"); + ok(size == 13, "unexpected %d\n", size); + ok(pos == 13, "unexpected %d\n", pos); + + stream_info(clone, &hmem_clone, &size, &pos); + ok(hmem_clone == hmem, "handles should match\n"); +todo_wine + ok(size == 13, "unexpected %d\n", size); + ok(pos == 0, "unexpected %d\n", pos); + + buf[0] = 0; + hr = IStream_Read(clone, buf, sizeof(buf), NULL); + ok(hr == S_OK, "unexpected %#x\n", hr); +todo_wine + ok(!strcmp(buf, hello), "wrong stream contents\n"); + + newsize.QuadPart = 0x8000; + hr = IStream_SetSize(stream, newsize); + ok(hr == S_OK, "unexpected %#x\n", hr); + + stream_info(stream, &hmem, &size, &pos); + ok(hmem == orig_hmem, "handles should match\n"); + ok(size == 0x8000, "unexpected %#x\n", size); + ok(pos == 13, "unexpected %d\n", pos); + + stream_info(clone, &hmem_clone, &size, &pos); + ok(hmem_clone == hmem, "handles should match\n"); +todo_wine + ok(size == 0x8000, "unexpected %#x\n", size); +todo_wine + ok(pos == 13, "unexpected %d\n", pos); + + IStream_Release(clone); + IStream_Release(stream); + + /* exploit GMEM_FIXED forced move for the same base streams */ + orig_hmem = GlobalAlloc(GMEM_FIXED, 1); + ok(orig_hmem != 0, "unexpected %p\n", orig_hmem); + hr = CreateStreamOnHGlobal(orig_hmem, TRUE, &stream); + ok(hr == S_OK, "unexpected %#x\n", hr); + + hr = IStream_Clone(stream, &clone); + ok(hr == S_OK, "unexpected %#x\n", hr); + + stream_info(stream, &hmem, &size, &pos); + ok(hmem == orig_hmem, "handles should match\n"); + ok(size == 1, "unexpected %d\n", size); + ok(pos == 0, "unexpected %d\n", pos); + + stream_info(clone, &hmem_clone, &size, &pos); + ok(hmem_clone == hmem, "handles should match\n"); + ok(size == 1, "unexpected %d\n", size); + ok(pos == 0, "unexpected %d\n", pos); + + newsize.QuadPart = 0x8000; + hr = IStream_SetSize(stream, newsize); +todo_wine + ok(hr == S_OK, "unexpected %#x\n", hr); + + stream_info(stream, &hmem, &size, &pos); + ok(hmem != 0, "unexpected %p\n", hmem); +todo_wine + ok(hmem != orig_hmem, "unexpected %p\n", hmem); +todo_wine + ok(size == 0x8000, "unexpected %#x\n", size); + ok(pos == 0, "unexpected %d\n", pos); + + stream_info(clone, &hmem_clone, &size, &pos); + ok(hmem_clone == hmem, "handles should match\n"); +todo_wine + ok(size == 0x8000, "unexpected %#x\n", size); + ok(pos == 0, "unexpected %d\n", pos); + + IStream_Release(stream); + IStream_Release(clone); + + /* test Release of cloned stream */ + hr = CreateStreamOnHGlobal(0, TRUE, &stream); + ok(hr == S_OK, "unexpected %#x\n", hr); + + hr = IStream_Clone(stream, &clone); + ok(hr == S_OK, "unexpected %#x\n", hr); + + stream_info(stream, &hmem, &size, &pos); + ok(hmem != 0, "unexpected %p\n", hmem); + ok(size == 0, "unexpected %d\n", size); + ok(pos == 0, "unexpected %d\n", pos); + + stream_info(clone, &hmem_clone, &size, &pos); + ok(hmem_clone == hmem, "handles should match\n"); + ok(size == 0, "unexpected %#x\n", size); + ok(pos == 0, "unexpected %d\n", pos); + + ret = IStream_Release(stream); + ok(ret == 0, "unexpected %d\n", ret); + + newsize.QuadPart = 0x8000; + hr = IStream_SetSize(clone, newsize); +todo_wine + ok(hr == S_OK, "unexpected %#x\n", hr); + + stream_info(clone, &hmem_clone, &size, &pos); + ok(hmem_clone == hmem, "handles should match\n"); +todo_wine + ok(size == 0x8000, "unexpected %#x\n", size); + ok(pos == 0, "unexpected %d\n", pos); + + hr = IStream_Write(clone, hello, sizeof(hello), NULL); +todo_wine + ok(hr == S_OK, "unexpected %#x\n", hr); + + stream_info(clone, &hmem_clone, &size, &pos); + ok(hmem_clone == hmem, "handles should match\n"); +todo_wine + ok(size == 0x8000, "unexpected %#x\n", size); +todo_wine + ok(pos == 13, "unexpected %d\n", pos); + + offset.QuadPart = 0; + hr = IStream_Seek(clone, offset, STREAM_SEEK_SET, NULL); + ok(hr == S_OK, "unexpected %#x\n", hr); + + buf[0] = 0; + hr = IStream_Read(clone, buf, sizeof(buf), NULL); + ok(hr == S_OK, "unexpected %#x\n", hr); +todo_wine + ok(!strcmp(buf, hello), "wrong stream contents\n"); + + stream_info(clone, &hmem_clone, &size, &pos); + ok(hmem_clone == hmem, "handles should match\n"); +todo_wine + ok(size == 0x8000, "unexpected %#x\n", size); +todo_wine + ok(pos == 32, "unexpected %d\n", pos); + + ret = IStream_Release(clone); + ok(ret == 0, "unexpected %d\n", ret); +} + START_TEST(hglobalstream) { test_streamonhglobal(); test_copyto(); test_freed_hglobal(); + test_IStream_Clone(); }
participants (1)
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Alexandre Julliard