public void TestGetValueToEncodeForOptional()
{
var field = new Scalar("", FastType.Decimal, Operator.Delta, ScalarValue.Undefined, true);
OperatorCodec operatortemp = field.OperatorCodec;
var value = (DecimalValue)operatortemp.GetValueToEncode(Decimal(9427.55),
ScalarValue.Undefined, field);
Assert.AreEqual(new decimal(9427.55), value.ToBigDecimal());
value = (DecimalValue)operatortemp.GetValueToEncode(Decimal(9427.51),
Decimal(9427.55), field);
Assert.AreEqual(-4, (int)value.Mantissa);
Assert.AreEqual(0, (int)value.Exponent);
value = (DecimalValue)operatortemp.GetValueToEncode(Decimal(9427.46),
Decimal(9427.51), field);
Assert.AreEqual(-5, (int)value.Mantissa);
Assert.AreEqual(0, (int)value.Exponent);
value = (DecimalValue)operatortemp.GetValueToEncode(Decimal(30.6), Decimal(30.6), field);
Assert.AreEqual(0, (int)value.Exponent);
Assert.AreEqual(0, (int)value.Mantissa);
Assert.AreEqual(ScalarValue.Null,
operatortemp.GetValueToEncode(null, Decimal(30.6), field));
}
public void TestCopyOperator()
{
var field = new Scalar("", FastType.U32, Operator.Copy, ScalarValue.Undefined, true);
OperatorCodec copy = Operator.Copy.GetCodec(FastType.U32);
Assert.AreEqual(new IntegerValue(1), copy.GetValueToEncode(new IntegerValue(1), null, field));
Assert.AreEqual(new IntegerValue(2), copy.GetValueToEncode(new IntegerValue(2), new IntegerValue(1), field));
//newly added implementation
Assert.AreEqual(null, copy.GetValueToEncode(ScalarValue.Null, ScalarValue.Null, field));
}
public override byte[] Encode(IFieldValue fieldValue, Group encodeTemplate, Context context,
BitVectorBuilder presenceMapBuilder)
{
IDictionary dict = context.GetDictionary(Dictionary);
ScalarValue priorValue = context.Lookup(dict, encodeTemplate, Key);
var value = (ScalarValue)fieldValue;
if (!_operatorCodec.CanEncode(value, this))
{
Global.ErrorHandler.OnError(null, DynError.CantEncodeValue,
"The scalar {0} cannot encode the value {1}", this, value);
}
ScalarValue valueToEncode = _operatorCodec.GetValueToEncode(value, priorValue, this,
presenceMapBuilder);
if (_operator.ShouldStoreValue(value))
{
context.Store(dict, encodeTemplate, Key, value);
}
if (valueToEncode == null)
{
return(ByteUtil.EmptyByteArray);
}
byte[] encoding = _typeCodec.Encode(valueToEncode);
if (context.TraceEnabled && encoding.Length > 0)
{
context.EncodeTrace.Field(this, fieldValue, valueToEncode, encoding, presenceMapBuilder.Index);
}
return(encoding);
}
public void TestDeltaOperatorForOptionalUnsignedInteger()
{
var field = new Scalar("", FastType.U32, Operator.Delta, ScalarValue.Undefined, true);
OperatorCodec delta = field.OperatorCodec;
Assert.AreEqual(ScalarValue.Null, delta.GetValueToEncode(null, ScalarValue.Undefined, field));
}