public void CanCalculateBlockCheckSize()
{
BinaryReader br = new BinaryReader(CompressedStream);
var header = new XZHeader(br);
header.Process();
Assert.That(header.BlockCheckSize, Is.EqualTo(8));
}
public void ProcessesBlockCheckType()
{
BinaryReader br = new BinaryReader(CompressedStream);
var header = new XZHeader(br);
header.Process();
Assert.That(header.BlockCheckType, Is.EqualTo(CheckType.CRC64));
}
public void CanCalculateBlockCheckSize()
{
BinaryReader br = new BinaryReader(CompressedStream);
var header = new XZHeader(br);
header.Process();
Assert.Equal(8, header.BlockCheckSize);
}
public void ProcessesBlockCheckType()
{
BinaryReader br = new BinaryReader(CompressedStream);
var header = new XZHeader(br);
header.Process();
Assert.Equal(CheckType.CRC64, header.BlockCheckType);
}
public void RecordsStreamStartOnInit()
{
using (Stream badStream = new MemoryStream(new byte[] { 1, 2, 3, 4, 5 }))
{
BinaryReader br = new BinaryReader(badStream);
var header = new XZHeader(br);
Assert.That(header.StreamStartPosition, Is.EqualTo(0));
}
}
public void RecordsStreamStartOnInit()
{
using (Stream badStream = new MemoryStream(new byte[] { 1, 2, 3, 4, 5 }))
{
BinaryReader br = new BinaryReader(badStream);
var header = new XZHeader(br);
Assert.That(header.StreamStartPosition, Is.EqualTo(0));
}
}
public void CorruptHeaderThrows()
{
var bytes = Compressed.Clone() as byte[];
bytes[8]++;
using (Stream badCrcStream = new MemoryStream(bytes))
{
BinaryReader br = new BinaryReader(badCrcStream);
var header = new XZHeader(br);
var ex = Assert.Throws<InvalidDataException>(() => { header.Process(); });
Assert.That(ex.Message, Is.EqualTo("Stream header corrupt"));
}
}
public void ChecksMagicNumber()
{
var bytes = Compressed.Clone() as byte[];
bytes[3]++;
using (Stream badMagicNumberStream = new MemoryStream(bytes))
{
BinaryReader br = new BinaryReader(badMagicNumberStream);
var header = new XZHeader(br);
var ex = Assert.Throws<InvalidDataException>(() => { header.Process(); });
Assert.That(ex.Message, Is.EqualTo("Invalid XZ Stream"));
}
}
public void ChecksMagicNumber()
{
var bytes = Compressed.Clone() as byte[];
bytes[3]++;
using (Stream badMagicNumberStream = new MemoryStream(bytes))
{
BinaryReader br = new BinaryReader(badMagicNumberStream);
var header = new XZHeader(br);
var ex = Assert.Throws <InvalidDataException>(() => { header.Process(); });
Assert.Equal("Invalid XZ Stream", ex.Message);
}
}
public void CorruptHeaderThrows()
{
var bytes = Compressed.Clone() as byte[];
bytes[8]++;
using (Stream badCrcStream = new MemoryStream(bytes))
{
BinaryReader br = new BinaryReader(badCrcStream);
var header = new XZHeader(br);
var ex = Assert.Throws <InvalidDataException>(() => { header.Process(); });
Assert.Equal("Stream header corrupt", ex.Message);
}
}
public void BadVersionIfCrcOkButStreamFlagUnknown() {
var bytes = Compressed.Clone() as byte[];
byte[] streamFlags = { 0x00, 0xF4 };
byte[] crc = Crc32.Compute(streamFlags).ToLittleEndianBytes();
streamFlags.CopyTo(bytes, 6);
crc.CopyTo(bytes, 8);
using (Stream badFlagStream = new MemoryStream(bytes))
{
BinaryReader br = new BinaryReader(badFlagStream);
var header = new XZHeader(br);
var ex = Assert.Throws<InvalidDataException>(() => { header.Process(); });
Assert.That(ex.Message, Is.EqualTo("Unknown XZ Stream Version"));
}
}
public void BadVersionIfCrcOkButStreamFlagUnknown()
{
var bytes = Compressed.Clone() as byte[];
byte[] streamFlags = { 0x00, 0xF4 };
byte[] crc = Crc32.Compute(streamFlags).ToLittleEndianBytes();
streamFlags.CopyTo(bytes, 6);
crc.CopyTo(bytes, 8);
using (Stream badFlagStream = new MemoryStream(bytes))
{
BinaryReader br = new BinaryReader(badFlagStream);
var header = new XZHeader(br);
var ex = Assert.Throws <InvalidDataException>(() => { header.Process(); });
Assert.Equal("Unknown XZ Stream Version", ex.Message);
}
}
public void ProcessesStreamHeaderFromFactory()
{
var header = XZHeader.FromStream(CompressedStream);
Assert.Equal(CheckType.CRC64, header.BlockCheckType);
}
public void ProcessesStreamHeaderFromFactory()
{
var header = XZHeader.FromStream(CompressedStream);
Assert.That(header.BlockCheckType, Is.EqualTo(CheckType.CRC64));
}
