WritePropertyName() public method

Writes the property name of a name/value pair on a JSON object.
public WritePropertyName ( string name ) : void
name string The name of the property.
return void
        public void DateTimeKindHandling()
        {
            DateTime value = new DateTime(2000, 1, 1, 0, 0, 0, DateTimeKind.Utc);

              MemoryStream ms = new MemoryStream();
              BsonWriter writer = new BsonWriter(ms);

              writer.WriteStartObject();
              writer.WritePropertyName("DateTime");
              writer.WriteValue(value);
              writer.WriteEndObject();

              byte[] bson = ms.ToArray();

              JObject o;
              BsonReader reader;

              reader = new BsonReader(new MemoryStream(bson), false, DateTimeKind.Utc);
              o = (JObject)JToken.ReadFrom(reader);
              Assert.AreEqual(value, (DateTime)o["DateTime"]);

              reader = new BsonReader(new MemoryStream(bson), false, DateTimeKind.Local);
              o = (JObject)JToken.ReadFrom(reader);
              Assert.AreEqual(value.ToLocalTime(), (DateTime)o["DateTime"]);

              reader = new BsonReader(new MemoryStream(bson), false, DateTimeKind.Unspecified);
              o = (JObject)JToken.ReadFrom(reader);
              Assert.AreEqual(DateTime.SpecifyKind(value.ToLocalTime(), DateTimeKind.Unspecified), (DateTime)o["DateTime"]);
        }
    public void WriteSingleObject()
    {
      MemoryStream ms = new MemoryStream();
      BsonWriter writer = new BsonWriter(ms);

      writer.WriteStartObject();
      writer.WritePropertyName("Blah");
      writer.WriteValue(1);
      writer.WriteEndObject();

      string bson = MiscellaneousUtils.BytesToHex(ms.ToArray());
      Assert.AreEqual("0F-00-00-00-10-42-6C-61-68-00-01-00-00-00-00", bson);
    }
        public void WriteBigInteger()
        {
            BigInteger i = BigInteger.Parse("1999999999999999999999999999999999999999999999999999999999990");

            MemoryStream ms = new MemoryStream();
            BsonWriter writer = new BsonWriter(ms);

            writer.WriteStartObject();
            writer.WritePropertyName("Blah");
            writer.WriteValue(i);
            writer.WriteEndObject();

            string bson = BytesToHex(ms.ToArray());
            Assert.AreEqual("2A-00-00-00-05-42-6C-61-68-00-1A-00-00-00-00-F6-FF-FF-FF-FF-FF-FF-1F-B2-21-CB-28-59-84-C4-AE-03-8A-44-34-2F-4C-4E-9E-3E-01-00", bson);

            ms.Seek(0, SeekOrigin.Begin);
            BsonReader reader = new BsonReader(ms);

            Assert.IsTrue(reader.Read());
            Assert.AreEqual(JsonToken.StartObject, reader.TokenType);
            Assert.IsTrue(reader.Read());
            Assert.AreEqual(JsonToken.PropertyName, reader.TokenType);

            Assert.IsTrue(reader.Read());
            Assert.AreEqual(JsonToken.Bytes, reader.TokenType);
            CollectionAssert.AreEqual(new byte[] { 246, 255, 255, 255, 255, 255, 255, 31, 178, 33, 203, 40, 89, 132, 196, 174, 3, 138, 68, 52, 47, 76, 78, 158, 62, 1 }, (byte[])reader.Value);
            Assert.AreEqual(i, new BigInteger((byte[])reader.Value));

            Assert.IsTrue(reader.Read());
            Assert.AreEqual(JsonToken.EndObject, reader.TokenType);

            Assert.IsFalse(reader.Read());
        }
        public void WriteRegexPlusContent()
        {
            MemoryStream ms = new MemoryStream();
            BsonWriter writer = new BsonWriter(ms);

            writer.WriteStartObject();
            writer.WritePropertyName("regex");
            writer.WriteRegex("abc", "i");
            writer.WritePropertyName("test");
            writer.WriteRegex(string.Empty, null);
            writer.WriteEndObject();

            byte[] expected = HexToBytes("1A-00-00-00-0B-72-65-67-65-78-00-61-62-63-00-69-00-0B-74-65-73-74-00-00-00-00");

            CollectionAssert.AreEquivalent(expected, ms.ToArray());
        }
        public void WriteOidPlusContent()
        {
            MemoryStream ms = new MemoryStream();
            BsonWriter writer = new BsonWriter(ms);

            writer.WriteStartObject();
            writer.WritePropertyName("_id");
            writer.WriteObjectId(HexToBytes("4ABBED9D1D8B0F0218000001"));
            writer.WritePropertyName("test");
            writer.WriteValue("1234£56");
            writer.WriteEndObject();

            byte[] expected = HexToBytes("29000000075F6964004ABBED9D1D8B0F02180000010274657374000900000031323334C2A335360000");

            CollectionAssert.AreEquivalent(expected, ms.ToArray());
        }
        public void WriteOid()
        {
            MemoryStream ms = new MemoryStream();
            BsonWriter writer = new BsonWriter(ms);

            byte[] oid = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 };

            writer.WriteStartObject();
            writer.WritePropertyName("_oid");
            writer.WriteObjectId(oid);
            writer.WriteEndObject();

            string bson = BytesToHex(ms.ToArray());
            Assert.AreEqual("17-00-00-00-07-5F-6F-69-64-00-01-02-03-04-05-06-07-08-09-0A-0B-0C-00", bson);

            ms.Seek(0, SeekOrigin.Begin);
            BsonReader reader = new BsonReader(ms);

            Assert.IsTrue(reader.Read());
            Assert.AreEqual(JsonToken.StartObject, reader.TokenType);

            Assert.IsTrue(reader.Read());
            Assert.AreEqual(JsonToken.PropertyName, reader.TokenType);

            Assert.IsTrue(reader.Read());
            Assert.AreEqual(JsonToken.Bytes, reader.TokenType);
            CollectionAssert.AreEquivalent(oid, (byte[])reader.Value);

            Assert.IsTrue(reader.Read());
            Assert.AreEqual(JsonToken.EndObject, reader.TokenType);
        }
        public void WriteEmptyStrings()
        {
            MemoryStream ms = new MemoryStream();
            BsonWriter writer = new BsonWriter(ms);

            writer.WriteStartObject();
            writer.WritePropertyName("");
            writer.WriteValue("");
            writer.WriteEndObject();

            string bson = BytesToHex(ms.ToArray());
            Assert.AreEqual("0C-00-00-00-02-00-01-00-00-00-00-00", bson);
        }
        public void WriteLargeStrings()
        {
            MemoryStream ms = new MemoryStream();
            BsonWriter writer = new BsonWriter(ms);

            StringBuilder largeStringBuilder = new StringBuilder();
            for (int i = 0; i < 100; i++)
            {
                if (i > 0)
                    largeStringBuilder.Append("-");

                largeStringBuilder.Append(i.ToString(CultureInfo.InvariantCulture));
            }
            string largeString = largeStringBuilder.ToString();

            writer.WriteStartObject();
            writer.WritePropertyName(largeString);
            writer.WriteValue(largeString);
            writer.WriteEndObject();

            string bson = BytesToHex(ms.ToArray());
            Assert.AreEqual("4E-02-00-00-02-30-2D-31-2D-32-2D-33-2D-34-2D-35-2D-36-2D-37-2D-38-2D-39-2D-31-30-2D-31-31-2D-31-32-2D-31-33-2D-31-34-2D-31-35-2D-31-36-2D-31-37-2D-31-38-2D-31-39-2D-32-30-2D-32-31-2D-32-32-2D-32-33-2D-32-34-2D-32-35-2D-32-36-2D-32-37-2D-32-38-2D-32-39-2D-33-30-2D-33-31-2D-33-32-2D-33-33-2D-33-34-2D-33-35-2D-33-36-2D-33-37-2D-33-38-2D-33-39-2D-34-30-2D-34-31-2D-34-32-2D-34-33-2D-34-34-2D-34-35-2D-34-36-2D-34-37-2D-34-38-2D-34-39-2D-35-30-2D-35-31-2D-35-32-2D-35-33-2D-35-34-2D-35-35-2D-35-36-2D-35-37-2D-35-38-2D-35-39-2D-36-30-2D-36-31-2D-36-32-2D-36-33-2D-36-34-2D-36-35-2D-36-36-2D-36-37-2D-36-38-2D-36-39-2D-37-30-2D-37-31-2D-37-32-2D-37-33-2D-37-34-2D-37-35-2D-37-36-2D-37-37-2D-37-38-2D-37-39-2D-38-30-2D-38-31-2D-38-32-2D-38-33-2D-38-34-2D-38-35-2D-38-36-2D-38-37-2D-38-38-2D-38-39-2D-39-30-2D-39-31-2D-39-32-2D-39-33-2D-39-34-2D-39-35-2D-39-36-2D-39-37-2D-39-38-2D-39-39-00-22-01-00-00-30-2D-31-2D-32-2D-33-2D-34-2D-35-2D-36-2D-37-2D-38-2D-39-2D-31-30-2D-31-31-2D-31-32-2D-31-33-2D-31-34-2D-31-35-2D-31-36-2D-31-37-2D-31-38-2D-31-39-2D-32-30-2D-32-31-2D-32-32-2D-32-33-2D-32-34-2D-32-35-2D-32-36-2D-32-37-2D-32-38-2D-32-39-2D-33-30-2D-33-31-2D-33-32-2D-33-33-2D-33-34-2D-33-35-2D-33-36-2D-33-37-2D-33-38-2D-33-39-2D-34-30-2D-34-31-2D-34-32-2D-34-33-2D-34-34-2D-34-35-2D-34-36-2D-34-37-2D-34-38-2D-34-39-2D-35-30-2D-35-31-2D-35-32-2D-35-33-2D-35-34-2D-35-35-2D-35-36-2D-35-37-2D-35-38-2D-35-39-2D-36-30-2D-36-31-2D-36-32-2D-36-33-2D-36-34-2D-36-35-2D-36-36-2D-36-37-2D-36-38-2D-36-39-2D-37-30-2D-37-31-2D-37-32-2D-37-33-2D-37-34-2D-37-35-2D-37-36-2D-37-37-2D-37-38-2D-37-39-2D-38-30-2D-38-31-2D-38-32-2D-38-33-2D-38-34-2D-38-35-2D-38-36-2D-38-37-2D-38-38-2D-38-39-2D-39-30-2D-39-31-2D-39-32-2D-39-33-2D-39-34-2D-39-35-2D-39-36-2D-39-37-2D-39-38-2D-39-39-00-00", bson);
        }
        public void WriteNestedArray()
        {
            MemoryStream ms = new MemoryStream();
            BsonWriter writer = new BsonWriter(ms);
            writer.WriteStartObject();

            writer.WritePropertyName("_id");
            writer.WriteValue(HexToBytes("4A-78-93-79-17-22-00-00-00-00-61-CF"));

            writer.WritePropertyName("a");
            writer.WriteStartArray();
            for (int i = 1; i <= 8; i++)
            {
                double value = (i != 5)
                    ? Convert.ToDouble(i)
                    : 5.78960446186581E+77d;

                writer.WriteValue(value);
            }
            writer.WriteEndArray();

            writer.WritePropertyName("b");
            writer.WriteValue("test");

            writer.WriteEndObject();

            writer.Flush();

            ms.Seek(0, SeekOrigin.Begin);

            string expected = "87-00-00-00-05-5F-69-64-00-0C-00-00-00-00-4A-78-93-79-17-22-00-00-00-00-61-CF-04-61-00-5D-00-00-00-01-30-00-00-00-00-00-00-00-F0-3F-01-31-00-00-00-00-00-00-00-00-40-01-32-00-00-00-00-00-00-00-08-40-01-33-00-00-00-00-00-00-00-10-40-01-34-00-00-00-00-00-00-00-14-50-01-35-00-00-00-00-00-00-00-18-40-01-36-00-00-00-00-00-00-00-1C-40-01-37-00-00-00-00-00-00-00-20-40-00-02-62-00-05-00-00-00-74-65-73-74-00-00";
            string bson = BytesToHex(ms.ToArray());

            Assert.AreEqual(expected, bson);
        }
    private string WriteAndReadStringPropertyName(string val)
    {
      MemoryStream ms = new MemoryStream();
      BsonWriter bs = new BsonWriter(ms);
      bs.WriteStartObject();
      bs.WritePropertyName(val);
      bs.WriteValue("Dummy");
      bs.WriteEnd();

      ms.Seek(0, SeekOrigin.Begin);

      BsonReader reader = new BsonReader(ms);
      // object
      reader.Read();
      // property name
      reader.Read();
      return (string)reader.Value;
    }
    public void WriteAndReadEmptyListsAndDictionaries()
    {
      MemoryStream ms = new MemoryStream();
      BsonWriter writer = new BsonWriter(ms);

      writer.WriteStartObject();
      writer.WritePropertyName("Arguments");
      writer.WriteStartObject();
      writer.WriteEndObject();
      writer.WritePropertyName("List");
      writer.WriteStartArray();
      writer.WriteEndArray();
      writer.WriteEndObject();

      string bson = BitConverter.ToString(ms.ToArray());

      Assert.AreEqual("20-00-00-00-03-41-72-67-75-6D-65-6E-74-73-00-05-00-00-00-00-04-4C-69-73-74-00-05-00-00-00-00-00", bson);

      BsonReader reader = new BsonReader(new MemoryStream(MiscellaneousUtils.HexToBytes(bson)));

      Assert.IsTrue(reader.Read());
      Assert.AreEqual(JsonToken.StartObject, reader.TokenType);

      Assert.IsTrue(reader.Read());
      Assert.AreEqual(JsonToken.PropertyName, reader.TokenType);
      Assert.AreEqual("Arguments", reader.Value.ToString());

      Assert.IsTrue(reader.Read());
      Assert.AreEqual(JsonToken.StartObject, reader.TokenType);

      Assert.IsTrue(reader.Read());
      Assert.AreEqual(JsonToken.EndObject, reader.TokenType);

      Assert.IsTrue(reader.Read());
      Assert.AreEqual(JsonToken.PropertyName, reader.TokenType);
      Assert.AreEqual("List", reader.Value.ToString());

      Assert.IsTrue(reader.Read());
      Assert.AreEqual(JsonToken.StartArray, reader.TokenType);

      Assert.IsTrue(reader.Read());
      Assert.AreEqual(JsonToken.EndArray, reader.TokenType);

      Assert.IsTrue(reader.Read());
      Assert.AreEqual(JsonToken.EndObject, reader.TokenType);

      Assert.IsFalse(reader.Read());
    }
        public void GuidsShouldBeProperlyDeserialised_AsBytes_ReadAhead()
        {
            Guid g = new Guid("822C0CE6-CC42-4753-A3C3-26F0684A4B88");

            MemoryStream ms = new MemoryStream();
            BsonWriter writer = new BsonWriter(ms);
            writer.WriteStartObject();
            writer.WritePropertyName("TheGuid");
            writer.WriteValue(g);
            writer.WriteEndObject();
            writer.Flush();

            byte[] bytes = ms.ToArray();

            BsonReader reader = new BsonReader(new MemoryStream(bytes));
            Assert.IsTrue(reader.Read());
            Assert.IsTrue(reader.Read());

            CollectionAssert.AreEquivalent(g.ToByteArray(), reader.ReadAsBytes());
            Assert.AreEqual(JsonToken.Bytes, reader.TokenType);
            Assert.AreEqual(typeof(byte[]), reader.ValueType);
            CollectionAssert.AreEquivalent(g.ToByteArray(), (byte[])reader.Value);

            Assert.IsTrue(reader.Read());
            Assert.IsFalse(reader.Read());

            JsonSerializer serializer = new JsonSerializer();
            serializer.MetadataPropertyHandling = MetadataPropertyHandling.ReadAhead;
            BytesTestClass b = serializer.Deserialize<BytesTestClass>(new BsonReader(new MemoryStream(bytes)));
            CollectionAssert.AreEquivalent(g.ToByteArray(), b.TheGuid);
        }
        public void GuidsShouldBeProperlyDeserialised()
        {
            Guid g = new Guid("822C0CE6-CC42-4753-A3C3-26F0684A4B88");

            MemoryStream ms = new MemoryStream();
            BsonWriter writer = new BsonWriter(ms);
            writer.WriteStartObject();
            writer.WritePropertyName("TheGuid");
            writer.WriteValue(g);
            writer.WriteEndObject();
            writer.Flush();

            byte[] bytes = ms.ToArray();

            BsonReader reader = new BsonReader(new MemoryStream(bytes));
            Assert.IsTrue(reader.Read());
            Assert.IsTrue(reader.Read());
            
            Assert.IsTrue(reader.Read());
            Assert.AreEqual(JsonToken.Bytes, reader.TokenType);
            Assert.AreEqual(typeof(Guid), reader.ValueType);
            Assert.AreEqual(g, (Guid)reader.Value);

            Assert.IsTrue(reader.Read());
            Assert.IsFalse(reader.Read());

            JsonSerializer serializer = new JsonSerializer();
            ObjectTestClass b = serializer.Deserialize<ObjectTestClass>(new BsonReader(new MemoryStream(bytes)));
            Assert.AreEqual(typeof(Guid), b.TheGuid.GetType());
            Assert.AreEqual(g, (Guid)b.TheGuid);
        }