Dmitry Timoshkov : windowscodecs: Add a test to show that metadata reader may not rewind the stream after loading the data .

Alexandre Julliard julliard at winehq.org
Thu Jun 14 15:31:31 CDT 2012


Module: wine
Branch: master
Commit: 17a64c4450f4fdb24279278894b1922cdba727af
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=17a64c4450f4fdb24279278894b1922cdba727af

Author: Dmitry Timoshkov <dmitry at baikal.ru>
Date:   Wed Jun 13 18:30:46 2012 +0900

windowscodecs: Add a test to show that metadata reader may not rewind the stream after loading the data.

---

 dlls/windowscodecs/tests/metadata.c |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/dlls/windowscodecs/tests/metadata.c b/dlls/windowscodecs/tests/metadata.c
index a4f9ad1..6b25963 100644
--- a/dlls/windowscodecs/tests/metadata.c
+++ b/dlls/windowscodecs/tests/metadata.c
@@ -142,6 +142,8 @@ static void load_stream(IUnknown *reader, const char *data, int data_size)
     HRESULT hr;
     IWICPersistStream *persist;
     IStream *stream;
+    LARGE_INTEGER pos;
+    ULARGE_INTEGER cur_pos;
 
     stream = create_stream(data, data_size);
     if (!stream)
@@ -158,6 +160,13 @@ static void load_stream(IUnknown *reader, const char *data, int data_size)
         IWICPersistStream_Release(persist);
     }
 
+    pos.QuadPart = 0;
+    hr = IStream_Seek(stream, pos, SEEK_CUR, &cur_pos);
+    ok(hr == S_OK, "IStream_Seek error %#x\n", hr);
+    /* IFD metadata reader doesn't rewind the stream to the start */
+    ok(cur_pos.QuadPart == 0 || cur_pos.QuadPart <= data_size,
+       "current stream pos is at %x/%x, data size %x\n", cur_pos.u.LowPart, cur_pos.u.HighPart, data_size);
+
     IStream_Release(stream);
 }
 




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