public override Stream OpenArchiveWriteStream(int archiveNumber, string archiveName, bool truncate, CompressionEngine compressionEngine)
{
if (string.IsNullOrEmpty(archiveName))
{
throw new ArgumentNullException("archiveName");
}
string path = Path.Combine(Path.GetDirectoryName(ArchiveFiles[0]), archiveName);
if (truncate)
{
if (!DictionaryStringMemoryStream.ContainsKey(path))
{
DictionaryStringMemoryStream[path] = new MemoryStream();
}
}
Stream stream = DictionaryStringMemoryStream[path];
if (EnableOffsetOpen)
{
long num = compressionEngine.FindArchiveOffset(new DuplicateStream(stream));
if (num < 0L)
{
num = stream.Length;
}
if (num > 0L)
{
stream = new OffsetStream(stream, num);
}
stream.Seek(0L, SeekOrigin.Begin);
}
if (truncate)
{
stream.SetLength(0L);
}
return(stream);
}
public override Stream OpenArchiveReadStream(int archiveNumber, string archiveName, CompressionEngine compressionEngine)
{
if (archiveNumber >= ArchiveFiles.Count)
{
return(null);
}
string path = ArchiveFiles[archiveNumber];
Stream stream = DictionaryStringMemoryStream[path];
if (EnableOffsetOpen)
{
long num = compressionEngine.FindArchiveOffset(new DuplicateStream(stream));
if (num > 0L)
{
stream = new OffsetStream(stream, num);
}
else
{
stream.Seek(0L, SeekOrigin.Begin);
}
}
return(stream);
}
public static void TestCompressionEngineNullParams(
CompressionEngine engine,
ArchiveFileStreamContext streamContext,
string[] testFiles)
{
Exception caughtEx;
Console.WriteLine("Testing null streamContext.");
caughtEx = null;
try
{
engine.Pack(null, testFiles);
}
catch (Exception ex) { caughtEx = ex; }
Assert.IsInstanceOfType(caughtEx, typeof(ArgumentNullException), "Caught exception: " + caughtEx);
caughtEx = null;
try
{
engine.Pack(null, testFiles, 0);
}
catch (Exception ex) { caughtEx = ex; }
Assert.IsInstanceOfType(caughtEx, typeof(ArgumentNullException), "Caught exception: " + caughtEx);
Console.WriteLine("Testing null files.");
caughtEx = null;
try
{
engine.Pack(streamContext, null);
}
catch (Exception ex) { caughtEx = ex; }
Assert.IsInstanceOfType(caughtEx, typeof(ArgumentNullException), "Caught exception: " + caughtEx);
Console.WriteLine("Testing null files.");
caughtEx = null;
try
{
engine.Pack(streamContext, null, 0);
}
catch (Exception ex) { caughtEx = ex; }
Assert.IsInstanceOfType(caughtEx, typeof(ArgumentNullException), "Caught exception: " + caughtEx);
Console.WriteLine("Testing null stream.");
caughtEx = null;
try
{
engine.IsArchive(null);
}
catch (Exception ex) { caughtEx = ex; }
Assert.IsInstanceOfType(caughtEx, typeof(ArgumentNullException), "Caught exception: " + caughtEx);
caughtEx = null;
try
{
engine.FindArchiveOffset(null);
}
catch (Exception ex) { caughtEx = ex; }
Assert.IsInstanceOfType(caughtEx, typeof(ArgumentNullException), "Caught exception: " + caughtEx);
caughtEx = null;
try
{
engine.GetFiles(null);
}
catch (Exception ex) { caughtEx = ex; }
Assert.IsInstanceOfType(caughtEx, typeof(ArgumentNullException), "Caught exception: " + caughtEx);
caughtEx = null;
try
{
engine.GetFileInfo(null);
}
catch (Exception ex) { caughtEx = ex; }
Assert.IsInstanceOfType(caughtEx, typeof(ArgumentNullException), "Caught exception: " + caughtEx);
caughtEx = null;
try
{
engine.Unpack(null, "testUnpack.txt");
}
catch (Exception ex) { caughtEx = ex; }
Assert.IsInstanceOfType(caughtEx, typeof(ArgumentNullException), "Caught exception: " + caughtEx);
Console.WriteLine("Testing null streamContext.");
caughtEx = null;
try
{
engine.GetFiles(null, null);
}
catch (Exception ex) { caughtEx = ex; }
Assert.IsInstanceOfType(caughtEx, typeof(ArgumentNullException), "Caught exception: " + caughtEx);
caughtEx = null;
try
{
engine.GetFileInfo(null, null);
}
catch (Exception ex) { caughtEx = ex; }
Assert.IsInstanceOfType(caughtEx, typeof(ArgumentNullException), "Caught exception: " + caughtEx);
caughtEx = null;
try
{
engine.Unpack((IUnpackStreamContext)null, null);
}
catch (Exception ex) { caughtEx = ex; }
Assert.IsInstanceOfType(caughtEx, typeof(ArgumentNullException), "Caught exception: " + caughtEx);
}
