public void TgaDecoder_DegenerateMemoryRequest_ShouldTranslateTo_ImageFormatException <TPixel>(TestImageProvider <TPixel> provider)
where TPixel : unmanaged, IPixel <TPixel>
{
provider.LimitAllocatorBufferCapacity().InPixelsSqrt(10);
ImageFormatException ex = Assert.Throws <ImageFormatException>(() => provider.GetImage(TgaDecoder));
Assert.IsType <InvalidMemoryOperationException>(ex.InnerException);
}
public void DegenerateMemoryRequest_ShouldTranslateTo_ImageFormatException <TPixel>(TestImageProvider <TPixel> provider)
where TPixel : struct, IPixel <TPixel>
{
provider.LimitAllocatorBufferCapacity().InBytesSqrt(10);
ImageFormatException ex = Assert.Throws <ImageFormatException>(() => provider.GetImage(JpegDecoder));
this.Output.WriteLine(ex.Message);
Assert.IsType <InvalidMemoryOperationException>(ex.InnerException);
}
[InlineData((uint)PngChunkType.End)] // IEND
public void Decode_IncorrectCRCForCriticalChunk_ExceptionIsThrown(uint chunkType)
{
string chunkName = GetChunkTypeName(chunkType);
using (var memStream = new MemoryStream())
{
WriteHeaderChunk(memStream);
WriteChunk(memStream, chunkName);
WriteDataChunk(memStream);
var decoder = new PngDecoder();
ImageFormatException exception = Assert.Throws <ImageFormatException>(() => decoder.Decode <Rgb24>(null, memStream));
Assert.Equal($"CRC Error. PNG {chunkName} chunk is corrupt!", exception.Message);
}
}
public void Decode_IncorrectCRCForCriticalChunk_ExceptionIsThrown(string chunkName)
{
using (var memStream = new MemoryStream())
{
memStream.Skip(8);
WriteChunk(memStream, chunkName);
CompressStream(memStream);
var decoder = new PngDecoder();
ImageFormatException exception = Assert.Throws <ImageFormatException>(() =>
{
decoder.Decode <Rgb24>(null, memStream);
});
Assert.Equal($"CRC Error. PNG {chunkName} chunk is corrupt!", exception.Message);
}
}
