[2/3] windowscodecs: Test for png codec seeking too far

Viktor Semykin thesame.ml at gmail.com
Mon Mar 27 15:09:14 CDT 2017


Signed-off-by: Viktor Semykin <thesame.ml at gmail.com>
---
 dlls/windowscodecs/tests/Makefile.in |  2 +-
 dlls/windowscodecs/tests/pngformat.c | 19 ++++++++++---------
 2 files changed, 11 insertions(+), 10 deletions(-)

diff --git a/dlls/windowscodecs/tests/Makefile.in b/dlls/windowscodecs/tests/Makefile.in
index e11d184..e006e3d 100644
--- a/dlls/windowscodecs/tests/Makefile.in
+++ b/dlls/windowscodecs/tests/Makefile.in
@@ -1,5 +1,5 @@
 TESTDLL   = windowscodecs.dll
-IMPORTS   = windowscodecs oleaut32 ole32 user32 gdi32
+IMPORTS   = windowscodecs oleaut32 ole32 user32 gdi32 shlwapi
 
 C_SRCS = \
 	bitmap.c \
diff --git a/dlls/windowscodecs/tests/pngformat.c b/dlls/windowscodecs/tests/pngformat.c
index 34cb533..20b6e93 100644
--- a/dlls/windowscodecs/tests/pngformat.c
+++ b/dlls/windowscodecs/tests/pngformat.c
@@ -25,6 +25,7 @@
 #include "windef.h"
 #include "wincodec.h"
 #include "wine/test.h"
+#include "shlwapi.h"
 
 /* 1x1 pixel PNG image */
 static const char png_no_color_profile[] = {
@@ -277,21 +278,16 @@ static IWICImagingFactory *factory;
 
 static IWICBitmapDecoder *create_decoder(const void *image_data, UINT image_size)
 {
-    HGLOBAL hmem;
-    BYTE *data;
     HRESULT hr;
     IWICBitmapDecoder *decoder = NULL;
     IStream *stream;
     GUID format;
     LONG refcount;
+    ULARGE_INTEGER pos;
+    LARGE_INTEGER zero;
 
-    hmem = GlobalAlloc(0, image_size);
-    data = GlobalLock(hmem);
-    memcpy(data, image_data, image_size);
-    GlobalUnlock(hmem);
-
-    hr = CreateStreamOnHGlobal(hmem, TRUE, &stream);
-    ok(hr == S_OK, "CreateStreamOnHGlobal error %#x\n", hr);
+    stream = SHCreateMemStream (image_data, image_size);
+    ok(stream != NULL, "SHCreateMemStream error\n");
 
     hr = IWICImagingFactory_CreateDecoderFromStream(factory, stream, NULL, 0, &decoder);
     ok(hr == S_OK, "CreateDecoderFromStream error %#x\n", hr);
@@ -302,6 +298,11 @@ static IWICBitmapDecoder *create_decoder(const void *image_data, UINT image_size
     ok(IsEqualGUID(&format, &GUID_ContainerFormatPng),
        "wrong container format %s\n", wine_dbgstr_guid(&format));
 
+    zero.QuadPart = 0;
+    IStream_Seek (stream, zero, STREAM_SEEK_CUR, &pos);
+    todo_wine ok(pos.QuadPart < image_size, "seek beyond the end of stream: %lu >= %u\n",
+        pos.QuadPart, image_size);
+
     refcount = IStream_Release(stream);
     ok(refcount > 0, "expected stream refcount > 0\n");
 
-- 
2.12.1




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