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windowscodecs/tests: Add test for big PNG chunks. 

Signed-off-by: Torge Matthies <openglfreak@googlemail.com>
Signed-off-by: Esme Povirk <esme@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Torge Matthies 2021-12-03 21:26:15 +01:00 committed by Alexandre Julliard
parent 392bdb85e7
commit 2abf0173e5
1 changed files with 29 additions and 0 deletions
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29
dlls/windowscodecs/tests/pngformat.c
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@ -922,6 +922,34 @@ todo_wine_if(td[i].todo)
#undef PNG_COLOR_TYPE_GRAY_ALPHA
#undef PNG_COLOR_TYPE_RGB_ALPHA
/* 1 bpp 1x1 pixel PNG image with 8 MiB comment */
static const char png_8M_tEXt_start[] = {
0x89,'P','N','G',0x0d,0x0a,0x1a,0x0a,
0x00,0x00,0x00,0x0d,'I','H','D','R',0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x01,0x00,0x00,0x00,0x00,0x37,0x6e,0xf9,0x24,
0x00,0x80,0x00,0x08,'t','E','X','t','C','o','m','m','e','n','t',0x00 /* ,[0x800030]=0x00,0x1e,0x13,0xe2,0xc7 */
};
static const char png_8M_tEXt_end[] = {
/* 0x00,0x80,0x00,0x08,'t','E','X','t','C','o','m','m','e','n','t',0x00,[0x800030]=0x00, */ 0x1e,0x13,0xe2,0xc7,
0x00,0x00,0x00,0x0c,'I','D','A','T',0x78,0x9c,0x63,0x68,0x00,0x00,0x00,0x82,0x00,0x81,0x77,0xcd,0x72,0xb6,
0x00,0x00,0x00,0x00,'I','E','N','D',0xae,0x42,0x60,0x82
};
static void test_chunk_size(void)
{
static char png_8M_tEXt[sizeof(png_8M_tEXt_start) + 0x800000 + sizeof(png_8M_tEXt_end)] = {0};
HRESULT hr;
IWICBitmapDecoder *decoder;
memcpy(png_8M_tEXt, png_8M_tEXt_start, sizeof(png_8M_tEXt_start));
memcpy(png_8M_tEXt + sizeof(png_8M_tEXt) - sizeof(png_8M_tEXt_end), png_8M_tEXt_end, sizeof(png_8M_tEXt_end));
hr = create_decoder(png_8M_tEXt, sizeof(png_8M_tEXt), &decoder);
todo_wine ok(hr == S_OK, "Failed to load PNG image data %#x\n", hr);
if (hr != S_OK) return;
IWICBitmapDecoder_Release(decoder);
}
START_TEST(pngformat)
{
HRESULT hr;
@ -935,6 +963,7 @@ START_TEST(pngformat)
test_color_contexts();
test_png_palette();
test_color_formats();
test_chunk_size();
IWICImagingFactory_Release(factory);
CoUninitialize();