#region License
// Copyright (c) 2007 James Newton-King
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#endregion

#pragma warning disable 618
#if !(NET20 || NET35 || NET40 || PORTABLE40)
using System;
#if !(NET20 || NET35 || PORTABLE) || NETSTANDARD1_3 || NETSTANDARD2_0 || NET6_0_OR_GREATER
using System.Numerics;
#endif
using System.Text;
using System.Threading.Tasks;
#if DNXCORE50
using Xunit;
using Test = Xunit.FactAttribute;
using Assert = Newtonsoft.Json.Tests.XUnitAssert;
#else
using NUnit.Framework;
#endif
using Newtonsoft.Json.Bson;
using System.IO;
using System.Globalization;

namespace Newtonsoft.Json.Tests.Bson
{
    [TestFixture]
    public class BsonWriterAsyncTests : TestFixtureBase
    {
        [Test]
        public async Task CloseOutputAsync()
        {
            MemoryStream ms = new MemoryStream();
            BsonWriter writer = new BsonWriter(ms);

            Assert.IsTrue(ms.CanRead);
            await writer.CloseAsync();
            Assert.IsFalse(ms.CanRead);

            ms = new MemoryStream();
            writer = new BsonWriter(ms) { CloseOutput = false };

            Assert.IsTrue(ms.CanRead);
            await writer.CloseAsync();
            Assert.IsTrue(ms.CanRead);
        }

        [Test]
        public async Task WriteSingleObjectAsync()
        {
            MemoryStream ms = new MemoryStream();
            BsonWriter writer = new BsonWriter(ms);

            await writer.WriteStartObjectAsync();
            await writer.WritePropertyNameAsync("Blah");
            await writer.WriteValueAsync(1);
            await writer.WriteEndObjectAsync();

            string bson = BytesToHex(ms.ToArray());
            Assert.AreEqual("0F-00-00-00-10-42-6C-61-68-00-01-00-00-00-00", bson);
        }

        [Test]
        public async Task WriteValuesAsync()
        {
            MemoryStream ms = new MemoryStream();
            BsonWriter writer = new BsonWriter(ms);

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

            string bson = BytesToHex(ms.ToArray());
            Assert.AreEqual("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);
        }

        [Test]
        public async Task WriteDoubleAsync()
        {
            MemoryStream ms = new MemoryStream();
            BsonWriter writer = new BsonWriter(ms);

            await writer.WriteStartArrayAsync();
            await writer.WriteValueAsync(99.99d);
            await writer.WriteEndAsync();

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

        [Test]
        public async Task WriteGuidAsync()
        {
            Guid g = new Guid("D821EED7-4B5C-43C9-8AC2-6928E579B705");

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

            await writer.WriteStartArrayAsync();
            await writer.WriteValueAsync(g);
            await writer.WriteEndAsync();

            string bson = BytesToHex(ms.ToArray());
            Assert.AreEqual("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);
        }

        [Test]
        public async Task WriteArrayBsonFromSiteAsync()
        {
            MemoryStream ms = new MemoryStream();
            BsonWriter writer = new BsonWriter(ms);
            await writer.WriteStartArrayAsync();
            await writer.WriteValueAsync("a");
            await writer.WriteValueAsync("b");
            await writer.WriteValueAsync("c");
            await writer.WriteEndArrayAsync();

            await writer.FlushAsync();

            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.AreEqual(expected, bson);
        }

        [Test]
        public async Task WriteBytesAsync()
        {
            byte[] data = Encoding.UTF8.GetBytes("Hello world!");

            MemoryStream ms = new MemoryStream();
            BsonWriter writer = new BsonWriter(ms);
            await writer.WriteStartArrayAsync();
            await writer.WriteValueAsync("a");
            await writer.WriteValueAsync("b");
            await writer.WriteValueAsync(data);
            await writer.WriteEndArrayAsync();

            await writer.FlushAsync();

            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.AreEqual(expected, bson);

            BsonReader reader = new BsonReader(new MemoryStream(ms.ToArray()));
            reader.ReadRootValueAsArray = true;
            await reader.ReadAsync();
            await reader.ReadAsync();
            await reader.ReadAsync();
            await reader.ReadAsync();
            Assert.AreEqual(JsonToken.Bytes, reader.TokenType);
            CollectionAssert.AreEquivalent(data, (byte[])reader.Value);
        }

        [Test]
        public async Task WriteNestedArrayAsync()
        {
            MemoryStream ms = new MemoryStream();
            BsonWriter writer = new BsonWriter(ms);
            await writer.WriteStartObjectAsync();

            await writer.WritePropertyNameAsync("_id");
            await writer.WriteValueAsync(HexToBytes("4A-78-93-79-17-22-00-00-00-00-61-CF"));

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

                await writer.WriteValueAsync(value);
            }
            await writer.WriteEndArrayAsync();

            await writer.WritePropertyNameAsync("b");
            await writer.WriteValueAsync("test");

            await writer.WriteEndObjectAsync();

            await writer.FlushAsync();

            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);
        }

        [Test]
        public async Task WriteLargeStringsAsync()
        {
            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();

            await writer.WriteStartObjectAsync();
            await writer.WritePropertyNameAsync(largeString);
            await writer.WriteValueAsync(largeString);
            await writer.WriteEndObjectAsync();

            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);
        }

        [Test]
        public async Task WriteEmptyStringsAsync()
        {
            MemoryStream ms = new MemoryStream();
            BsonWriter writer = new BsonWriter(ms);

            await writer.WriteStartObjectAsync();
            await writer.WritePropertyNameAsync("");
            await writer.WriteValueAsync("");
            await writer.WriteEndObjectAsync();

            string bson = BytesToHex(ms.ToArray());
            Assert.AreEqual("0C-00-00-00-02-00-01-00-00-00-00-00", bson);
        }

        [Test]
        public async Task WriteCommentAsync()
        {
            await ExceptionAssert.ThrowsAsync<JsonWriterException>(async () =>
            {
                MemoryStream ms = new MemoryStream();
                BsonWriter writer = new BsonWriter(ms);

                await writer.WriteStartArrayAsync();
                await writer.WriteCommentAsync("fail");
            }, "Cannot write JSON comment as BSON. Path ''.");
        }

        [Test]
        public async Task WriteConstructorAsync()
        {
            await ExceptionAssert.ThrowsAsync<JsonWriterException>(async () =>
            {
                MemoryStream ms = new MemoryStream();
                BsonWriter writer = new BsonWriter(ms);

                await writer.WriteStartArrayAsync();
                await writer.WriteStartConstructorAsync("fail");
            }, "Cannot write JSON constructor as BSON. Path ''.");
        }

        [Test]
        public async Task WriteRawAsync()
        {
            await ExceptionAssert.ThrowsAsync<JsonWriterException>(async () =>
            {
                MemoryStream ms = new MemoryStream();
                BsonWriter writer = new BsonWriter(ms);

                await writer.WriteStartArrayAsync();
                await writer.WriteRawAsync("fail");
            }, "Cannot write raw JSON as BSON. Path ''.");
        }

        [Test]
        public async Task WriteRawValueAsync()
        {
            await ExceptionAssert.ThrowsAsync<JsonWriterException>(async () =>
            {
                MemoryStream ms = new MemoryStream();
                BsonWriter writer = new BsonWriter(ms);

                await writer.WriteStartArrayAsync();
                await writer.WriteRawValueAsync("fail");
            }, "Cannot write raw JSON as BSON. Path ''.");
        }

        [Test]
        public async Task WriteOidAsync()
        {
            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 };

            await writer.WriteStartObjectAsync();
            await writer.WritePropertyNameAsync("_oid");
            writer.WriteObjectId(oid);
            await writer.WriteEndObjectAsync();

            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(await reader.ReadAsync());
            Assert.AreEqual(JsonToken.StartObject, reader.TokenType);

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

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

            Assert.IsTrue(await reader.ReadAsync());
            Assert.AreEqual(JsonToken.EndObject, reader.TokenType);
        }

        [Test]
        public async Task WriteOidPlusContentAsync()
        {
            MemoryStream ms = new MemoryStream();
            BsonWriter writer = new BsonWriter(ms);

            await writer.WriteStartObjectAsync();
            await writer.WritePropertyNameAsync("_id");
            writer.WriteObjectId(HexToBytes("4ABBED9D1D8B0F0218000001"));
            await writer.WritePropertyNameAsync("test");
            await writer.WriteValueAsync("1234£56");
            await writer.WriteEndObjectAsync();

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

            CollectionAssert.AreEquivalent(expected, ms.ToArray());
        }

        [Test]
        public async Task WriteRegexPlusContentAsync()
        {
            MemoryStream ms = new MemoryStream();
            BsonWriter writer = new BsonWriter(ms);

            await writer.WriteStartObjectAsync();
            await writer.WritePropertyNameAsync("regex");
            writer.WriteRegex("abc", "i");
            await writer.WritePropertyNameAsync("test");
            writer.WriteRegex(string.Empty, null);
            await writer.WriteEndObjectAsync();

            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());
        }

        [Test]
        public async Task WriteReadEmptyAndNullStringsAsync()
        {
            MemoryStream ms = new MemoryStream();
            BsonWriter writer = new BsonWriter(ms);

            await writer.WriteStartArrayAsync();
            await writer.WriteValueAsync("Content!");
            await writer.WriteValueAsync("");
            await writer.WriteValueAsync((string)null);
            await writer.WriteEndArrayAsync();

            ms.Seek(0, SeekOrigin.Begin);

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

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

            Assert.IsTrue(await reader.ReadAsync());
            Assert.AreEqual(JsonToken.String, reader.TokenType);
            Assert.AreEqual("Content!", reader.Value);

            Assert.IsTrue(await reader.ReadAsync());
            Assert.AreEqual(JsonToken.String, reader.TokenType);
            Assert.AreEqual("", reader.Value);

            Assert.IsTrue(await reader.ReadAsync());
            Assert.AreEqual(JsonToken.Null, reader.TokenType);
            Assert.AreEqual(null, reader.Value);

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

            Assert.IsFalse(await reader.ReadAsync());
        }

        [Test]
        public async Task WriteDateTimesAsync()
        {
            MemoryStream ms = new MemoryStream();
            BsonWriter writer = new BsonWriter(ms);
            writer.DateTimeKindHandling = DateTimeKind.Unspecified;

            await writer.WriteStartArrayAsync();
            await writer.WriteValueAsync(new DateTime(2000, 10, 12, 20, 55, 0, DateTimeKind.Utc));
            await writer.WriteValueAsync(new DateTime(2000, 10, 12, 20, 55, 0, DateTimeKind.Local));
            await writer.WriteValueAsync(new DateTime(2000, 10, 12, 20, 55, 0, DateTimeKind.Unspecified));
            await writer.WriteEndArrayAsync();

            ms.Seek(0, SeekOrigin.Begin);

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

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

            Assert.IsTrue(await reader.ReadAsync());
            Assert.AreEqual(JsonToken.Date, reader.TokenType);
            Assert.AreEqual(new DateTime(2000, 10, 12, 20, 55, 0, DateTimeKind.Utc), reader.Value);

            Assert.IsTrue(await reader.ReadAsync());
            Assert.AreEqual(JsonToken.Date, reader.TokenType);
            Assert.AreEqual(new DateTime(2000, 10, 12, 20, 55, 0, DateTimeKind.Utc), reader.Value);

            Assert.IsTrue(await reader.ReadAsync());
            Assert.AreEqual(JsonToken.Date, reader.TokenType);
            Assert.AreEqual(new DateTime(2000, 10, 12, 20, 55, 0, DateTimeKind.Utc), reader.Value);

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

            Assert.IsFalse(await reader.ReadAsync());
        }

        [Test]
        public async Task WriteValueOutsideOfObjectOrArrayAsync()
        {
            await ExceptionAssert.ThrowsAsync<JsonWriterException>(async () =>
            {
                MemoryStream stream = new MemoryStream();

                using (BsonWriter writer = new BsonWriter(stream))
                {
                    await writer.WriteValueAsync("test");
                    await writer.FlushAsync();
                }
            }, "Error writing String value. BSON must start with an Object or Array. Path ''.");
        }

        [Test]
        public async Task DateTimeZoneHandlingAsync()
        {
            MemoryStream ms = new MemoryStream();
            JsonWriter writer = new BsonWriter(ms)
            {
                DateTimeZoneHandling = DateTimeZoneHandling.Utc
            };

            await writer.WriteStartArrayAsync();
            await writer.WriteValueAsync(new DateTime(2000, 1, 1, 1, 1, 1, DateTimeKind.Unspecified));
            await writer.WriteEndArrayAsync();

            Assert.AreEqual("10-00-00-00-09-30-00-C8-88-07-6B-DC-00-00-00-00", (BitConverter.ToString(ms.ToArray())));
        }

#if !PORTABLE || NETSTANDARD1_3 || NETSTANDARD2_0 || NET6_0_OR_GREATER
        [Test]
        public async Task WriteBigIntegerAsync()
        {
            BigInteger i = BigInteger.Parse("1999999999999999999999999999999999999999999999999999999999990");

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

            await writer.WriteStartObjectAsync();
            await writer.WritePropertyNameAsync("Blah");
            await writer.WriteValueAsync(i);
            await writer.WriteEndObjectAsync();

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

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

            Assert.IsFalse(await reader.ReadAsync());
        }
#endif
    }
}

#endif
#pragma warning restore 618