public void Can_Decode_And_Assign_NullableInt_Without_Boxing_Using_Generic_DecodeObject()
{
// write to buffer
var buffer = new ByteBuffer(1024, true);
int value = randNum.Next(0, 1000);
Encoder.WriteInt(buffer, value, false);
// compile lambda expression
var compiled = CompileGenericPropertyDecodeExpression(typeof(TestCompositeClass), "NullableIntValue");
// execute
var instance = new TestCompositeClass();
var formatCode = AmqpCodec.DecodeFormatCode(buffer);
compiled(instance, buffer, formatCode);
Assert.AreEqual(value, instance.NullableIntValue);
}
protected override void DecodeValue(ByteBuffer buffer)
{
var formatCode = AmqpCodec.DecodeFormatCode(buffer);
if (formatCode == FormatCode.Null)
{
return; // nothing to decode
}
int size;
int count;
if (formatCode == FormatCode.List0)
{
size = count = 0;
}
else if (formatCode == FormatCode.List8)
{
size = AmqpBitConverter.ReadUByte(buffer);
count = AmqpBitConverter.ReadUByte(buffer);
}
else if (formatCode == FormatCode.List32)
{
size = (int)AmqpBitConverter.ReadUInt(buffer);
count = (int)AmqpBitConverter.ReadUInt(buffer);
}
else
{
throw new AmqpException(ErrorCode.DecodeError, $"The format code '{formatCode}' at frame buffer offset '{buffer.ReadOffset}' is invalid.");
}
var thisType = GetType();
for (int i = 0; i < count; i++)
{
var itemFormatCode = AmqpCodec.DecodeFormatCode(buffer);
if (itemFormatCode == FormatCode.Null)
{
continue; // null value, ignore and continue
}
GetDecoderDelegate(thisType, i)(this, buffer, itemFormatCode);
}
}
