public void TestEncodeDecode()
{
var codec = new MessageCodec(manager, wcfCodec, 65536);
// invalid encode
try
{
codec.Encode(null);
Assert.Fail("Expected: Exception");
}
catch (AssertFailedException) { throw; }
catch { }
try
{
codec.Encode(null, null);
Assert.Fail("Expected: Exception");
}
catch (AssertFailedException) { throw; }
catch { }
try
{
codec.Encode(CreateMessage(1), null);
Assert.Fail("Expected: Exception");
}
catch (AssertFailedException) { throw; }
catch { }
try
{
codec.Encode(null, new MemoryStream());
Assert.Fail("Expected: Exception");
}
catch (AssertFailedException) { throw; }
catch { }
// invalid decode
Assert.AreEqual(codec.Decode((Byte[])null), null);
Assert.AreEqual(codec.Decode(new Byte[0]), null);
try
{
codec.Decode(new Byte[1024]);
Assert.Fail("Expected: Exception");
}
catch (AssertFailedException) { throw; }
catch { }
Assert.AreEqual(codec.Decode(default(ArraySegment<Byte>)), null);
try
{
codec.Decode(new ArraySegment<Byte>(new Byte[1024]));
Assert.Fail("Expected: Exception");
}
catch (AssertFailedException) { throw; }
catch { }
Assert.AreEqual(codec.Decode((Stream)null), null);
Assert.AreEqual(codec.Decode(new MemoryStream()), null);
try
{
var stream = new MemoryStream();
stream.Write(new Byte[1024], 0, 1024);
stream.Position = 0;
codec.Decode(stream);
Assert.Fail("Expected: Exception");
}
catch (AssertFailedException) { throw; }
catch { }
// valid buffered message
AssertIsEqualMessage(
CreateMessage(1),
codec.Decode(codec.Encode(CreateMessage(1)))
);
var encoded = codec.Encode(CreateMessage(1));
AssertIsEqualMessage(
CreateMessage(1),
codec.Decode(encoded.Raw.Skip(encoded.Offset).Take(encoded.Length).ToArray())
);
// valid streamed message
using (var stream = new MemoryStream())
{
codec.Encode(CreateMessage(2), stream);
stream.Position = 0;
AssertIsEqualMessage(CreateMessage(2), codec.Decode(stream));
}
// using encoded
codec.UsingEncoded(
CreateMessage(3),
buffer1 =>
{
var buffer2 = codec.Allocate();
Array.Copy(buffer1.Raw, buffer1.Offset, buffer2.Raw, buffer2.Offset, buffer1.Length);
AssertIsEqualMessage(
CreateMessage(3),
codec.Decode(new ArraySegment<Byte>(buffer2.Raw, buffer2.Offset, buffer1.Length))
);
}
);
}