public void TestInvalidBlockCrcStream()
{
BZip2DecoderStream decoder = new BZip2DecoderStream(new MemoryStream(InvalidBlockCrcData), Ownership.Dispose);
byte[] buffer = new byte[1024];
Assert.Throws <InvalidDataException>(() => decoder.Read(buffer, 0, 1024));
}
public void TestCombinedCrcStream_ExactLengthRead()
{
BZip2DecoderStream decoder = new BZip2DecoderStream(new MemoryStream(InvalidCombinedCrcData), Ownership.Dispose);
byte[] buffer = new byte[21];
Assert.Throws <InvalidDataException>(() => decoder.Read(buffer, 0, 21));
}
public void TestValidStream()
{
BZip2DecoderStream decoder = new BZip2DecoderStream(new MemoryStream(ValidData), Ownership.Dispose);
byte[] buffer = new byte[1024];
int numRead = decoder.Read(buffer, 0, 1024);
Assert.Equal(21, numRead);
string s = Encoding.ASCII.GetString(buffer, 0, numRead);
Assert.Equal("This is a test string", s);
}
private void LoadRun(CompressedRun run)
{
int toCopy = (int)(run.SectorCount * Sizes.Sector);
switch (run.Type)
{
case RunType.ZlibCompressed:
_stream.Position = run.CompOffset + 2; // 2 byte zlib header
using (DeflateStream ds = new DeflateStream(_stream, CompressionMode.Decompress, true))
{
Utilities.ReadFully(ds, _decompBuffer, 0, toCopy);
}
break;
case RunType.AdcCompressed:
_stream.Position = run.CompOffset;
byte[] compressed = Utilities.ReadFully(_stream, (int)run.CompLength);
if (ADCDecompress(compressed, 0, compressed.Length, _decompBuffer, 0) != toCopy)
{
throw new InvalidDataException("Run too short when decompressed");
}
break;
case RunType.BZlibCompressed:
using (
BZip2DecoderStream ds =
new BZip2DecoderStream(new SubStream(_stream, run.CompOffset, run.CompLength),
Ownership.None))
{
Utilities.ReadFully(ds, _decompBuffer, 0, toCopy);
}
break;
case RunType.Zeros:
case RunType.Raw:
break;
default:
throw new NotImplementedException("Unrecognized run type " + run.Type);
}
_activeRun = run;
}