// public methods
/// <summary>
/// Deserializes an object from a BsonReader.
/// </summary>
/// <param name="bsonReader">The BsonReader.</param>
/// <param name="nominalType">The nominal type of the object.</param>
/// <param name="actualType">The actual type of the object.</param>
/// <param name="options">The serialization options.</param>
/// <returns>An object.</returns>
public override object Deserialize(
BsonReader bsonReader,
Type nominalType,
Type actualType,
IBsonSerializationOptions options)
{
VerifyTypes(nominalType, actualType, typeof(BsonUndefined));
var bsonType = bsonReader.GetCurrentBsonType();
switch (bsonType)
{
case BsonType.Undefined:
bsonReader.ReadUndefined();
return BsonUndefined.Value;
default:
var message = string.Format("Cannot deserialize BsonUndefined from BsonType {0}.", bsonType);
throw new Exception(message);
}
}
// public methods
/// <summary>
/// Deserializes an object from a BsonReader.
/// </summary>
/// <param name="bsonReader">The BsonReader.</param>
/// <param name="nominalType">The nominal type of the object.</param>
/// <param name="actualType">The actual type of the object.</param>
/// <param name="options">The serialization options.</param>
/// <returns>An object.</returns>
public override object Deserialize(
BsonReader bsonReader,
Type nominalType,
Type actualType,
IBsonSerializationOptions options)
{
VerifyTypes(nominalType, actualType, typeof(BsonUndefined));
var bsonType = bsonReader.GetCurrentBsonType();
if (bsonType == BsonType.Null)
{
bsonReader.ReadNull();
return null;
}
else
{
bsonReader.ReadUndefined();
return BsonUndefined.Value;
}
}
public void TestUndefined() {
var json = "undefined";
using (bsonReader = BsonReader.Create(json)) {
Assert.AreEqual(BsonType.Undefined, bsonReader.ReadBsonType());
bsonReader.ReadUndefined();
Assert.AreEqual(BsonReaderState.Done, bsonReader.State);
}
Assert.AreEqual(json, BsonSerializer.Deserialize<BsonUndefined>(new StringReader(json)).ToJson());
}
/// <summary>
/// Deserializes an object from a BsonReader.
/// </summary>
/// <param name="bsonReader">The BsonReader.</param>
/// <param name="nominalType">The nominal type of the object.</param>
/// <param name="options">The serialization options.</param>
/// <returns>An object.</returns>
public override object Deserialize(
BsonReader bsonReader,
Type nominalType,
IBsonSerializationOptions options
) {
var bsonType = bsonReader.CurrentBsonType;
if (bsonType == BsonType.Null) {
bsonReader.ReadNull();
return null;
} else {
bsonReader.ReadUndefined();
return BsonUndefined.Value;
}
}
public void TestUndefined()
{
var json = "undefined";
using (_bsonReader = new JsonReader(json))
{
Assert.AreEqual(BsonType.Undefined, _bsonReader.ReadBsonType());
_bsonReader.ReadUndefined();
Assert.AreEqual(BsonReaderState.Done, _bsonReader.State);
}
Assert.AreEqual(json, BsonSerializer.Deserialize<BsonUndefined>(json).ToJson());
}
public void TestUndefinedExtendedJson()
{
var json = "{ \"$undefined\" : true }";
using (_bsonReader = new JsonReader(json))
{
Assert.AreEqual(BsonType.Undefined, _bsonReader.ReadBsonType());
_bsonReader.ReadUndefined();
Assert.AreEqual(BsonReaderState.Done, _bsonReader.State);
}
var canonicalJson = "undefined";
Assert.AreEqual(canonicalJson, BsonSerializer.Deserialize<BsonUndefined>(new StringReader(json)).ToJson());
}