Dmitry Timoshkov : ole32/tests: Add tests for HGLOBAL based IStream::Clone.
Alexandre Julliard
julliard at winehq.org
Tue Aug 11 16:26:50 CDT 2020
Module: wine
Branch: master
Commit: 3f4f6fca3ce6484c4918be9db57047176a8388e7
URL: https://source.winehq.org/git/wine.git/?a=commit;h=3f4f6fca3ce6484c4918be9db57047176a8388e7
Author: Dmitry Timoshkov <dmitry at 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 at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at 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();
}
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