Rediffed test from Rein Klazes:gdi32:Add test for bad pointers.
Louis. Lenders
xerox_xerox2000 at yahoo.co.uk
Sun Feb 18 16:27:47 CST 2007
Skipped content of type multipart/alternative-------------- next part --------------
diff --git a/dlls/gdi32/tests/bitmap.c b/dlls/gdi32/tests/bitmap.c
index 99f2986..1d9cfae 100644
--- a/dlls/gdi32/tests/bitmap.c
+++ b/dlls/gdi32/tests/bitmap.c
@@ -1700,6 +1700,47 @@ static void test_CreateBitmap(void)
DeleteObject(bm);
}
+static void test_badbits()
+{
+ char bmibuf[sizeof(BITMAPINFO) + 256 * sizeof(RGBQUAD)];
+ BITMAPINFO *pbmi = (BITMAPINFO *)bmibuf;
+ HDC hdc0, hdc;
+ int ret;
+ void *bits;
+ DWORD oldprotect;
+ SYSTEM_INFO si;
+
+ memset(pbmi, 0, sizeof(bmibuf));
+ pbmi->bmiHeader.biSize = sizeof(pbmi->bmiHeader);
+ pbmi->bmiHeader.biHeight = 100;
+ pbmi->bmiHeader.biWidth = 100;
+ pbmi->bmiHeader.biBitCount = 24;
+ pbmi->bmiHeader.biPlanes = 1;
+ pbmi->bmiHeader.biCompression = BI_RGB;
+ hdc0 = GetDC(0);
+ hdc = CreateCompatibleDC( hdc0);
+
+ GetSystemInfo( &si);
+ bits = VirtualAlloc( NULL, 40000, MEM_COMMIT, PAGE_READONLY);
+ ok( (int)bits, "VirtualAlloc failed\n");
+ /* source bits can be read, StretchDIBits succeeds */
+ ret = StretchDIBits( hdc, 0, 0, 100, 100, 0, 0, 100, 100, bits,
+ pbmi, 0, SRCCOPY);
+ ok( ret, "StretchDIBits failed\n");
+ ret = VirtualProtect( (char*)bits + si.dwPageSize, si.dwPageSize,
+ PAGE_NOACCESS, &oldprotect);
+ ok( ret, "VirtualProtect failed\n");
+ /* source bits cannot all be read, StretchDIBits fails */
+ /* and should not crash */
+ ret = StretchDIBits( hdc, 0, 0, 100, 100, 0, 0, 100, 100, bits,
+ pbmi, 0, SRCCOPY);
+ todo_wine {
+ ok( !ret, "StretchDIBits should have failed\n");
+ }
+ DeleteDC( hdc);
+ ReleaseDC(0, hdc0);
+}
+
START_TEST(bitmap)
{
is_win9x = GetWindowLongPtrW(GetDesktopWindow(), GWLP_WNDPROC) == 0;
@@ -1717,4 +1758,5 @@ START_TEST(bitmap)
test_GetDIBits();
test_select_object();
test_CreateBitmap();
+ test_badbits();
}
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