public void WriteValues()
        {
            MemoryStream ms = new MemoryStream();
            BsonWriter writer = new BsonWriter(ms);

            writer.WriteStartArray();
            writer.WriteValue(long.MaxValue);
            writer.WriteValue((ulong)long.MaxValue);
            writer.WriteValue(int.MaxValue);
            writer.WriteValue((uint)int.MaxValue);
            writer.WriteValue(byte.MaxValue);
            writer.WriteValue(sbyte.MaxValue);
            writer.WriteValue('a');
            writer.WriteValue(decimal.MaxValue);
            writer.WriteValue(double.MaxValue);
            writer.WriteValue(float.MaxValue);
            writer.WriteValue(true);
            writer.WriteValue(new byte[] { 0, 1, 2, 3, 4 });
            writer.WriteValue(new DateTimeOffset(2000, 12, 29, 12, 30, 0, TimeSpan.Zero));
            writer.WriteValue(new DateTime(2000, 12, 29, 12, 30, 0, DateTimeKind.Utc));
            writer.WriteEnd();

            string bson = BytesToHex(ms.ToArray());
            Assert.Equal("8C-00-00-00-12-30-00-FF-FF-FF-FF-FF-FF-FF-7F-12-31-00-FF-FF-FF-FF-FF-FF-FF-7F-10-32-00-FF-FF-FF-7F-10-33-00-FF-FF-FF-7F-10-34-00-FF-00-00-00-10-35-00-7F-00-00-00-02-36-00-02-00-00-00-61-00-01-37-00-00-00-00-00-00-00-F0-45-01-38-00-FF-FF-FF-FF-FF-FF-EF-7F-01-39-00-00-00-00-E0-FF-FF-EF-47-08-31-30-00-01-05-31-31-00-05-00-00-00-00-00-01-02-03-04-09-31-32-00-40-C5-E2-BA-E3-00-00-00-09-31-33-00-40-C5-E2-BA-E3-00-00-00-00", bson);
        }
        public void WriteDateTimes()
        {
            MemoryStream ms = new MemoryStream();
            BsonWriter writer = new BsonWriter(ms);
            writer.DateTimeKindHandling = DateTimeKind.Unspecified;

            writer.WriteStartArray();
            writer.WriteValue(new DateTime(2000, 10, 12, 20, 55, 0, DateTimeKind.Utc));
            writer.WriteValue(new DateTime(2000, 10, 12, 20, 55, 0, DateTimeKind.Local));
            writer.WriteValue(new DateTime(2000, 10, 12, 20, 55, 0, DateTimeKind.Unspecified));
            writer.WriteEndArray();

            ms.Seek(0, SeekOrigin.Begin);

            BsonReader reader = new BsonReader(ms);
            reader.ReadRootValueAsArray = true;
            reader.DateTimeKindHandling = DateTimeKind.Utc;

            Assert.True(reader.Read());
            Assert.Equal(JsonToken.StartArray, reader.TokenType);

            Assert.True(reader.Read());
            Assert.Equal(JsonToken.Date, reader.TokenType);
            Assert.Equal(new DateTime(2000, 10, 12, 20, 55, 0, DateTimeKind.Utc), reader.Value);

            Assert.True(reader.Read());
            Assert.Equal(JsonToken.Date, reader.TokenType);
            Assert.Equal(new DateTime(2000, 10, 12, 20, 55, 0, DateTimeKind.Utc), reader.Value);

            Assert.True(reader.Read());
            Assert.Equal(JsonToken.Date, reader.TokenType);
            Assert.Equal(new DateTime(2000, 10, 12, 20, 55, 0, DateTimeKind.Utc), reader.Value);

            Assert.True(reader.Read());
            Assert.Equal(JsonToken.EndArray, reader.TokenType);

            Assert.False(reader.Read());
        }
        public void DateTimeZoneHandling()
        {
            MemoryStream ms = new MemoryStream();
            JsonWriter writer = new BsonWriter(ms)
            {
                DateTimeZoneHandling = Json.DateTimeZoneHandling.Utc
            };

            writer.WriteStartArray();
            writer.WriteValue(new DateTime(2000, 1, 1, 1, 1, 1, DateTimeKind.Unspecified));
            writer.WriteEndArray();

            Assert.Equal("10-00-00-00-09-30-00-C8-88-07-6B-DC-00-00-00-00", (BitConverter.ToString(ms.ToArray())));
        }
        public void WriteRawValue()
        {
            AssertException.Throws<JsonWriterException>(() =>
            {
                MemoryStream ms = new MemoryStream();
                BsonWriter writer = new BsonWriter(ms);

                writer.WriteStartArray();
                writer.WriteRawValue("fail");
            }, "Cannot write raw JSON as BSON. Path ''.");
        }
        public void WriteReadEmptyAndNullStrings()
        {
            MemoryStream ms = new MemoryStream();
            BsonWriter writer = new BsonWriter(ms);

            writer.WriteStartArray();
            writer.WriteValue("Content!");
            writer.WriteValue("");
            writer.WriteValue((string)null);
            writer.WriteEndArray();

            ms.Seek(0, SeekOrigin.Begin);

            BsonReader reader = new BsonReader(ms);
            reader.ReadRootValueAsArray = true;

            Assert.True(reader.Read());
            Assert.Equal(JsonToken.StartArray, reader.TokenType);

            Assert.True(reader.Read());
            Assert.Equal(JsonToken.String, reader.TokenType);
            Assert.Equal("Content!", reader.Value);

            Assert.True(reader.Read());
            Assert.Equal(JsonToken.String, reader.TokenType);
            Assert.Equal("", reader.Value);

            Assert.True(reader.Read());
            Assert.Equal(JsonToken.Null, reader.TokenType);
            Assert.Equal(null, reader.Value);

            Assert.True(reader.Read());
            Assert.Equal(JsonToken.EndArray, reader.TokenType);

            Assert.False(reader.Read());
        }
        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.Equal(expected, bson);
        }
        public void WriteConstructor()
        {
            AssertException.Throws<JsonWriterException>(() =>
            {
                MemoryStream ms = new MemoryStream();
                BsonWriter writer = new BsonWriter(ms);

                writer.WriteStartArray();
                writer.WriteStartConstructor("fail");
            }, "Cannot write JSON constructor as BSON. Path ''.");
        }
        public void WriteBytes()
        {
            byte[] data = Encoding.UTF8.GetBytes("Hello world!");

            MemoryStream ms = new MemoryStream();
            BsonWriter writer = new BsonWriter(ms);
            writer.WriteStartArray();
            writer.WriteValue("a");
            writer.WriteValue("b");
            writer.WriteValue(data);
            writer.WriteEndArray();

            writer.Flush();

            ms.Seek(0, SeekOrigin.Begin);

            string expected = "2B-00-00-00-02-30-00-02-00-00-00-61-00-02-31-00-02-00-00-00-62-00-05-32-00-0C-00-00-00-00-48-65-6C-6C-6F-20-77-6F-72-6C-64-21-00";
            string bson = BytesToHex(ms.ToArray());

            Assert.Equal(expected, bson);

            BsonReader reader = new BsonReader(new MemoryStream(ms.ToArray()));
            reader.ReadRootValueAsArray = true;
            reader.Read();
            reader.Read();
            reader.Read();
            reader.Read();
            Assert.Equal(JsonToken.Bytes, reader.TokenType);
            Assert.Equal(data, (byte[])reader.Value);
        }
        public void WriteArrayBsonFromSite()
        {
            MemoryStream ms = new MemoryStream();
            BsonWriter writer = new BsonWriter(ms);
            writer.WriteStartArray();
            writer.WriteValue("a");
            writer.WriteValue("b");
            writer.WriteValue("c");
            writer.WriteEndArray();

            writer.Flush();

            ms.Seek(0, SeekOrigin.Begin);

            string expected = "20-00-00-00-02-30-00-02-00-00-00-61-00-02-31-00-02-00-00-00-62-00-02-32-00-02-00-00-00-63-00-00";
            string bson = BytesToHex(ms.ToArray());

            Assert.Equal(expected, bson);
        }
        public void WriteGuid()
        {
            Guid g = new Guid("D821EED7-4B5C-43C9-8AC2-6928E579B705");

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

            writer.WriteStartArray();
            writer.WriteValue(g);
            writer.WriteEnd();

            string bson = BytesToHex(ms.ToArray());
            Console.WriteLine(bson);
            Assert.Equal("1D-00-00-00-05-30-00-10-00-00-00-04-D7-EE-21-D8-5C-4B-C9-43-8A-C2-69-28-E5-79-B7-05-00", bson);
        }
        public void WriteDouble()
        {
            MemoryStream ms = new MemoryStream();
            BsonWriter writer = new BsonWriter(ms);

            writer.WriteStartArray();
            writer.WriteValue(99.99d);
            writer.WriteEnd();

            string bson = BytesToHex(ms.ToArray());
            Assert.Equal("10-00-00-00-01-30-00-8F-C2-F5-28-5C-FF-58-40-00", bson);
        }
        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.Equal("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(HexToBytes(bson)));

            Assert.True(reader.Read());
            Assert.Equal(JsonToken.StartObject, reader.TokenType);

            Assert.True(reader.Read());
            Assert.Equal(JsonToken.PropertyName, reader.TokenType);
            Assert.Equal("Arguments", reader.Value.ToString());

            Assert.True(reader.Read());
            Assert.Equal(JsonToken.StartObject, reader.TokenType);

            Assert.True(reader.Read());
            Assert.Equal(JsonToken.EndObject, reader.TokenType);

            Assert.True(reader.Read());
            Assert.Equal(JsonToken.PropertyName, reader.TokenType);
            Assert.Equal("List", reader.Value.ToString());

            Assert.True(reader.Read());
            Assert.Equal(JsonToken.StartArray, reader.TokenType);

            Assert.True(reader.Read());
            Assert.Equal(JsonToken.EndArray, reader.TokenType);

            Assert.True(reader.Read());
            Assert.Equal(JsonToken.EndObject, reader.TokenType);

            Assert.False(reader.Read());
            Assert.Equal(JsonToken.None, reader.TokenType);
        }