public void TestSMTPDataBounds()
{
Encoding encoding = Encoding.ASCII;
TextLineDecoder decoder = new TextLineDecoder(encoding, new LineDelimiter("\r\n.\r\n"));
ProtocolCodecSession session = new ProtocolCodecSession();
IoBuffer input = IoBuffer.Allocate(16);
input.AutoExpand = true;
input.PutString("\r\n", encoding).Flip().Mark();
decoder.Decode(session, input.Reset().Mark(), session.DecoderOutput);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
input.PutString("Body\r\n.\r\n", encoding);
decoder.Decode(session, input.Reset().Mark(), session.DecoderOutput);
Assert.AreEqual(1, session.DecoderOutputQueue.Count);
Assert.AreEqual("\r\n\r\nBody", session.DecoderOutputQueue.Dequeue());
}
public void TestNormalDecode()
{
Encoding encoding = Encoding.UTF8;
TextLineDecoder decoder = new TextLineDecoder(encoding, LineDelimiter.Windows);
ProtocolCodecSession session = new ProtocolCodecSession();
IProtocolDecoderOutput output = session.DecoderOutput;
IoBuffer input = IoBuffer.Allocate(16);
// Test one decode and one output.put
input.PutString("ABC\r\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(1, session.DecoderOutputQueue.Count);
Assert.AreEqual("ABC", session.DecoderOutputQueue.Dequeue());
// Test two decode and one output.put
input.Clear();
input.PutString("DEF", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
input.Clear();
input.PutString("GHI\r\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(1, session.DecoderOutputQueue.Count);
Assert.AreEqual("DEFGHI", session.DecoderOutputQueue.Dequeue());
// Test one decode and two output.put
input.Clear();
input.PutString("JKL\r\nMNO\r\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(2, session.DecoderOutputQueue.Count);
Assert.AreEqual("JKL", session.DecoderOutputQueue.Dequeue());
Assert.AreEqual("MNO", session.DecoderOutputQueue.Dequeue());
// Test aborted delimiter (DIRMINA-506)
input.Clear();
input.PutString("ABC\r\r\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(1, session.DecoderOutputQueue.Count);
Assert.AreEqual("ABC\r", session.DecoderOutputQueue.Dequeue());
// Test splitted long delimiter
decoder = new TextLineDecoder(encoding, new LineDelimiter("\n\n\n"));
input.Clear();
input.PutString("PQR\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
input.Clear();
input.PutString("\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
input.Clear();
input.PutString("\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(1, session.DecoderOutputQueue.Count);
Assert.AreEqual("PQR", session.DecoderOutputQueue.Dequeue());
// Test splitted long delimiter which produces two output.put
decoder = new TextLineDecoder(encoding, new LineDelimiter("\n\n\n"));
input.Clear();
input.PutString("PQR\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
input.Clear();
input.PutString("\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
input.Clear();
input.PutString("\nSTU\n\n\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(2, session.DecoderOutputQueue.Count);
Assert.AreEqual("PQR", session.DecoderOutputQueue.Dequeue());
Assert.AreEqual("STU", session.DecoderOutputQueue.Dequeue());
// Test splitted long delimiter mixed with partial non-delimiter.
decoder = new TextLineDecoder(encoding, new LineDelimiter("\n\n\n"));
input.Clear();
input.PutString("PQR\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
input.Clear();
input.PutString("X\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
input.Clear();
input.PutString("\n\nSTU\n\n\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(2, session.DecoderOutputQueue.Count);
Assert.AreEqual("PQR\nX", session.DecoderOutputQueue.Dequeue());
Assert.AreEqual("STU", session.DecoderOutputQueue.Dequeue());
}
public void TestOverflow()
{
Encoding encoding = Encoding.UTF8;
TextLineDecoder decoder = new TextLineDecoder(encoding, LineDelimiter.Auto);
decoder.MaxLineLength = 3;
ProtocolCodecSession session = new ProtocolCodecSession();
IProtocolDecoderOutput output = session.DecoderOutput;
IoBuffer input = IoBuffer.Allocate(16);
// Make sure the overflow exception is not thrown until
// the delimiter is encountered.
input.PutString("A", encoding).Flip().Mark();
decoder.Decode(session, input.Reset().Mark(), output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
decoder.Decode(session, input.Reset().Mark(), output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
decoder.Decode(session, input.Reset().Mark(), output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
decoder.Decode(session, input.Reset().Mark(), output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
input.Clear().PutString("A\r\nB\r\n", encoding).Flip();
try
{
decoder.Decode(session, input, output);
Assert.Fail();
}
catch (RecoverableProtocolDecoderException)
{
// signifies a successful test execution
Assert.IsTrue(true);
}
decoder.Decode(session, input, output);
Assert.AreEqual(1, session.DecoderOutputQueue.Count);
Assert.AreEqual("B", session.DecoderOutputQueue.Dequeue());
//// Make sure OOM is not thrown.
GC.Collect();
//long oldFreeMemory = GC.GetTotalMemory(false);
input = IoBuffer.Allocate(1048576 * 16).Sweep((byte)' ').Mark();
for (int i = 0; i < 10; i++)
{
input.Reset();
input.Mark();
decoder.Decode(session, input, output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
// Memory consumption should be minimal.
//Assert.IsTrue(GC.GetTotalMemory(false) - oldFreeMemory < 1048576);
}
input.Clear().PutString("C\r\nD\r\n", encoding).Flip();
try
{
decoder.Decode(session, input, output);
Assert.Fail();
}
catch (RecoverableProtocolDecoderException)
{
// signifies a successful test execution
Assert.IsTrue(true);
}
decoder.Decode(session, input, output);
Assert.AreEqual(1, session.DecoderOutputQueue.Count);
Assert.AreEqual("D", session.DecoderOutputQueue.Dequeue());
// Memory consumption should be minimal.
//Assert.IsTrue(GC.GetTotalMemory(false) - oldFreeMemory < 1048576);
}
public void TestAutoDecode()
{
Encoding encoding = Encoding.UTF8;
TextLineDecoder decoder = new TextLineDecoder(encoding, LineDelimiter.Auto);
ProtocolCodecSession session = new ProtocolCodecSession();
IProtocolDecoderOutput output = session.DecoderOutput;
IoBuffer input = IoBuffer.Allocate(16);
// Test one decode and one output
input.PutString("ABC\r\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(1, session.DecoderOutputQueue.Count);
Assert.AreEqual("ABC", session.DecoderOutputQueue.Dequeue());
// Test two decode and one output
input.Clear();
input.PutString("DEF", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
input.Clear();
input.PutString("GHI\r\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(1, session.DecoderOutputQueue.Count);
Assert.AreEqual("DEFGHI", session.DecoderOutputQueue.Dequeue());
// Test one decode and two output
input.Clear();
input.PutString("JKL\r\nMNO\r\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(2, session.DecoderOutputQueue.Count);
Assert.AreEqual("JKL", session.DecoderOutputQueue.Dequeue());
Assert.AreEqual("MNO", session.DecoderOutputQueue.Dequeue());
// Test multiple '\n's
input.Clear();
input.PutString("\n\n\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(3, session.DecoderOutputQueue.Count);
Assert.AreEqual("", session.DecoderOutputQueue.Dequeue());
Assert.AreEqual("", session.DecoderOutputQueue.Dequeue());
Assert.AreEqual("", session.DecoderOutputQueue.Dequeue());
// Test splitted long delimiter (\r\r\n)
input.Clear();
input.PutString("PQR\r", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
input.Clear();
input.PutString("\r", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
input.Clear();
input.PutString("\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(1, session.DecoderOutputQueue.Count);
Assert.AreEqual("PQR", session.DecoderOutputQueue.Dequeue());
// Test splitted long delimiter (\r\r\n) which produces two output
input.Clear();
input.PutString("PQR\r", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
input.Clear();
input.PutString("\r", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
input.Clear();
input.PutString("\nSTU\r\r\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(2, session.DecoderOutputQueue.Count);
Assert.AreEqual("PQR", session.DecoderOutputQueue.Dequeue());
Assert.AreEqual("STU", session.DecoderOutputQueue.Dequeue());
// Test splitted long delimiter mixed with partial non-delimiter.
input.Clear();
input.PutString("PQR\r", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
input.Clear();
input.PutString("X\r", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
input.Clear();
input.PutString("\r\nSTU\r\r\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(2, session.DecoderOutputQueue.Count);
Assert.AreEqual("PQR\rX", session.DecoderOutputQueue.Dequeue());
Assert.AreEqual("STU", session.DecoderOutputQueue.Dequeue());
input.Clear();
String s = encoding.GetString(new byte[] { 0, 77, 105, 110, 97 });
input.PutString(s, encoding);
input.Put(0x0a);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(1, session.DecoderOutputQueue.Count);
Assert.AreEqual(s, session.DecoderOutputQueue.Dequeue());
}
public void TestSMTPDataBounds()
{
Encoding encoding = Encoding.ASCII;
TextLineDecoder decoder = new TextLineDecoder(encoding, new LineDelimiter("\r\n.\r\n"));
ProtocolCodecSession session = new ProtocolCodecSession();
IoBuffer input = IoBuffer.Allocate(16);
input.AutoExpand = true;
input.PutString("\r\n", encoding).Flip().Mark();
decoder.Decode(session, input.Reset().Mark(), session.DecoderOutput);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
input.PutString("Body\r\n.\r\n", encoding);
decoder.Decode(session, input.Reset().Mark(), session.DecoderOutput);
Assert.AreEqual(1, session.DecoderOutputQueue.Count);
Assert.AreEqual("\r\n\r\nBody", session.DecoderOutputQueue.Dequeue());
}
public void TestOverflow()
{
Encoding encoding = Encoding.UTF8;
TextLineDecoder decoder = new TextLineDecoder(encoding, LineDelimiter.Auto);
decoder.MaxLineLength = 3;
ProtocolCodecSession session = new ProtocolCodecSession();
IProtocolDecoderOutput output = session.DecoderOutput;
IoBuffer input = IoBuffer.Allocate(16);
// Make sure the overflow exception is not thrown until
// the delimiter is encountered.
input.PutString("A", encoding).Flip().Mark();
decoder.Decode(session, input.Reset().Mark(), output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
decoder.Decode(session, input.Reset().Mark(), output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
decoder.Decode(session, input.Reset().Mark(), output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
decoder.Decode(session, input.Reset().Mark(), output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
input.Clear().PutString("A\r\nB\r\n", encoding).Flip();
try
{
decoder.Decode(session, input, output);
Assert.Fail();
}
catch (RecoverableProtocolDecoderException)
{
// signifies a successful test execution
Assert.IsTrue(true);
}
decoder.Decode(session, input, output);
Assert.AreEqual(1, session.DecoderOutputQueue.Count);
Assert.AreEqual("B", session.DecoderOutputQueue.Dequeue());
//// Make sure OOM is not thrown.
GC.Collect();
//long oldFreeMemory = GC.GetTotalMemory(false);
input = IoBuffer.Allocate(1048576 * 16).Sweep((byte)' ').Mark();
for (int i = 0; i < 10; i++)
{
input.Reset();
input.Mark();
decoder.Decode(session, input, output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
// Memory consumption should be minimal.
//Assert.IsTrue(GC.GetTotalMemory(false) - oldFreeMemory < 1048576);
}
input.Clear().PutString("C\r\nD\r\n", encoding).Flip();
try
{
decoder.Decode(session, input, output);
Assert.Fail();
}
catch (RecoverableProtocolDecoderException)
{
// signifies a successful test execution
Assert.IsTrue(true);
}
decoder.Decode(session, input, output);
Assert.AreEqual(1, session.DecoderOutputQueue.Count);
Assert.AreEqual("D", session.DecoderOutputQueue.Dequeue());
// Memory consumption should be minimal.
//Assert.IsTrue(GC.GetTotalMemory(false) - oldFreeMemory < 1048576);
}
public void TestNormalDecode()
{
Encoding encoding = Encoding.UTF8;
TextLineDecoder decoder = new TextLineDecoder(encoding, LineDelimiter.Windows);
ProtocolCodecSession session = new ProtocolCodecSession();
IProtocolDecoderOutput output = session.DecoderOutput;
IoBuffer input = IoBuffer.Allocate(16);
// Test one decode and one output.put
input.PutString("ABC\r\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(1, session.DecoderOutputQueue.Count);
Assert.AreEqual("ABC", session.DecoderOutputQueue.Dequeue());
// Test two decode and one output.put
input.Clear();
input.PutString("DEF", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
input.Clear();
input.PutString("GHI\r\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(1, session.DecoderOutputQueue.Count);
Assert.AreEqual("DEFGHI", session.DecoderOutputQueue.Dequeue());
// Test one decode and two output.put
input.Clear();
input.PutString("JKL\r\nMNO\r\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(2, session.DecoderOutputQueue.Count);
Assert.AreEqual("JKL", session.DecoderOutputQueue.Dequeue());
Assert.AreEqual("MNO", session.DecoderOutputQueue.Dequeue());
// Test aborted delimiter (DIRMINA-506)
input.Clear();
input.PutString("ABC\r\r\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(1, session.DecoderOutputQueue.Count);
Assert.AreEqual("ABC\r", session.DecoderOutputQueue.Dequeue());
// Test splitted long delimiter
decoder = new TextLineDecoder(encoding, new LineDelimiter("\n\n\n"));
input.Clear();
input.PutString("PQR\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
input.Clear();
input.PutString("\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
input.Clear();
input.PutString("\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(1, session.DecoderOutputQueue.Count);
Assert.AreEqual("PQR", session.DecoderOutputQueue.Dequeue());
// Test splitted long delimiter which produces two output.put
decoder = new TextLineDecoder(encoding, new LineDelimiter("\n\n\n"));
input.Clear();
input.PutString("PQR\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
input.Clear();
input.PutString("\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
input.Clear();
input.PutString("\nSTU\n\n\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(2, session.DecoderOutputQueue.Count);
Assert.AreEqual("PQR", session.DecoderOutputQueue.Dequeue());
Assert.AreEqual("STU", session.DecoderOutputQueue.Dequeue());
// Test splitted long delimiter mixed with partial non-delimiter.
decoder = new TextLineDecoder(encoding, new LineDelimiter("\n\n\n"));
input.Clear();
input.PutString("PQR\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
input.Clear();
input.PutString("X\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
input.Clear();
input.PutString("\n\nSTU\n\n\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(2, session.DecoderOutputQueue.Count);
Assert.AreEqual("PQR\nX", session.DecoderOutputQueue.Dequeue());
Assert.AreEqual("STU", session.DecoderOutputQueue.Dequeue());
}
public void TestAutoDecode()
{
Encoding encoding = Encoding.UTF8;
TextLineDecoder decoder = new TextLineDecoder(encoding, LineDelimiter.Auto);
ProtocolCodecSession session = new ProtocolCodecSession();
IProtocolDecoderOutput output = session.DecoderOutput;
IoBuffer input = IoBuffer.Allocate(16);
// Test one decode and one output
input.PutString("ABC\r\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(1, session.DecoderOutputQueue.Count);
Assert.AreEqual("ABC", session.DecoderOutputQueue.Dequeue());
// Test two decode and one output
input.Clear();
input.PutString("DEF", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
input.Clear();
input.PutString("GHI\r\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(1, session.DecoderOutputQueue.Count);
Assert.AreEqual("DEFGHI", session.DecoderOutputQueue.Dequeue());
// Test one decode and two output
input.Clear();
input.PutString("JKL\r\nMNO\r\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(2, session.DecoderOutputQueue.Count);
Assert.AreEqual("JKL", session.DecoderOutputQueue.Dequeue());
Assert.AreEqual("MNO", session.DecoderOutputQueue.Dequeue());
// Test multiple '\n's
input.Clear();
input.PutString("\n\n\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(3, session.DecoderOutputQueue.Count);
Assert.AreEqual("", session.DecoderOutputQueue.Dequeue());
Assert.AreEqual("", session.DecoderOutputQueue.Dequeue());
Assert.AreEqual("", session.DecoderOutputQueue.Dequeue());
// Test splitted long delimiter (\r\r\n)
input.Clear();
input.PutString("PQR\r", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
input.Clear();
input.PutString("\r", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
input.Clear();
input.PutString("\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(1, session.DecoderOutputQueue.Count);
Assert.AreEqual("PQR", session.DecoderOutputQueue.Dequeue());
// Test splitted long delimiter (\r\r\n) which produces two output
input.Clear();
input.PutString("PQR\r", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
input.Clear();
input.PutString("\r", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
input.Clear();
input.PutString("\nSTU\r\r\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(2, session.DecoderOutputQueue.Count);
Assert.AreEqual("PQR", session.DecoderOutputQueue.Dequeue());
Assert.AreEqual("STU", session.DecoderOutputQueue.Dequeue());
// Test splitted long delimiter mixed with partial non-delimiter.
input.Clear();
input.PutString("PQR\r", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
input.Clear();
input.PutString("X\r", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(0, session.DecoderOutputQueue.Count);
input.Clear();
input.PutString("\r\nSTU\r\r\n", encoding);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(2, session.DecoderOutputQueue.Count);
Assert.AreEqual("PQR\rX", session.DecoderOutputQueue.Dequeue());
Assert.AreEqual("STU", session.DecoderOutputQueue.Dequeue());
input.Clear();
String s = encoding.GetString(new byte[] { 0, 77, 105, 110, 97 });
input.PutString(s, encoding);
input.Put(0x0a);
input.Flip();
decoder.Decode(session, input, output);
Assert.AreEqual(1, session.DecoderOutputQueue.Count);
Assert.AreEqual(s, session.DecoderOutputQueue.Dequeue());
}