public void ReadFrom_InvalidData_Throws()
{
var attribute = new CompressionAttribute();
byte[] data = new byte[attribute.Size];
Assert.Throws <InvalidDataException>(() => attribute.ReadFrom(data, 0));
}
public void ReadFrom_Reads()
{
byte[] data = Convert.FromBase64String("ZnBtYwMAAACwEQAAAAAAAA==");
var attribute = new CompressionAttribute();
Assert.Equal(16, attribute.ReadFrom(data, 0));
Assert.Equal(CompressionAttribute.DecmpfsMagic, attribute.CompressionMagic);
Assert.Equal(FileCompressionType.ZlibAttribute, attribute.CompressionType);
Assert.Equal(16, attribute.Size);
Assert.Equal(4528u, attribute.UncompressedSize);
}