From: Torge Matthies Subject: [PATCH 1/2] windowscodecs/tests: Add test for big PNG chunks. Message-Id: <20211202204426.68204-1-openglfreak@googlemail.com> Date: Thu, 2 Dec 2021 21:44:25 +0100 Signed-off-by: Torge Matthies --- dlls/windowscodecs/tests/pngformat.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/dlls/windowscodecs/tests/pngformat.c b/dlls/windowscodecs/tests/pngformat.c index 8c33d3b9645..79d8a6fbe7f 100644 --- a/dlls/windowscodecs/tests/pngformat.c +++ b/dlls/windowscodecs/tests/pngformat.c @@ -922,6 +922,25 @@ 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[] = { + 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, + 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) +{ + HRESULT hr; + IWICBitmapDecoder *decoder; + + 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; +} + START_TEST(pngformat) { HRESULT hr; @@ -935,6 +954,7 @@ START_TEST(pngformat) test_color_contexts(); test_png_palette(); test_color_formats(); + test_chunk_size(); IWICImagingFactory_Release(factory); CoUninitialize(); -- 2.34.1