public async Task WriteLargeStringsAsync()
{
MemoryStream ms = new MemoryStream();
BsonDataWriter writer = new BsonDataWriter(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);
}
public async Task WriteDateTimesAsync()
{
MemoryStream ms = new MemoryStream();
BsonDataWriter writer = new BsonDataWriter(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);
BsonDataReader reader = new BsonDataReader(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());
}
public async Task WriteReadEmptyAndNullStringsAsync()
{
MemoryStream ms = new MemoryStream();
BsonDataWriter writer = new BsonDataWriter(ms);
await writer.WriteStartArrayAsync();
await writer.WriteValueAsync("Content!");
await writer.WriteValueAsync("");
await writer.WriteValueAsync((string)null);
await writer.WriteEndArrayAsync();
ms.Seek(0, SeekOrigin.Begin);
BsonDataReader reader = new BsonDataReader(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());
}
public async Task WriteValueOutsideOfObjectOrArrayAsync()
{
await ExceptionAssert.ThrowsAsync <JsonWriterException>(async() =>
{
MemoryStream stream = new MemoryStream();
using (BsonDataWriter writer = new BsonDataWriter(stream))
{
await writer.WriteValueAsync("test");
await writer.FlushAsync();
}
}, "Error writing String value. BSON must start with an Object or Array. Path ''.");
}
public async Task WriteNestedArrayAsync()
{
MemoryStream ms = new MemoryStream();
BsonDataWriter writer = new BsonDataWriter(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);
}
public async Task WriteBytesAsync()
{
byte[] data = Encoding.UTF8.GetBytes("Hello world!");
MemoryStream ms = new MemoryStream();
BsonDataWriter writer = new BsonDataWriter(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);
BsonDataReader reader = new BsonDataReader(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);
}
public async Task WriteArrayBsonFromSiteAsync()
{
MemoryStream ms = new MemoryStream();
BsonDataWriter writer = new BsonDataWriter(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);
}
public async Task WriteDoubleAsync()
{
MemoryStream ms = new MemoryStream();
BsonDataWriter writer = new BsonDataWriter(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);
}
public async Task DateTimeZoneHandlingAsync()
{
MemoryStream ms = new MemoryStream();
JsonWriter writer = new BsonDataWriter(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())));
}
public async Task WriteSingleObjectAsync()
{
MemoryStream ms = new MemoryStream();
BsonDataWriter writer = new BsonDataWriter(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);
}
public async Task WriteEmptyStringsAsync()
{
MemoryStream ms = new MemoryStream();
BsonDataWriter writer = new BsonDataWriter(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);
}
public async Task WriteGuidAsync()
{
Guid g = new Guid("D821EED7-4B5C-43C9-8AC2-6928E579B705");
MemoryStream ms = new MemoryStream();
BsonDataWriter writer = new BsonDataWriter(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);
}
public async Task WriteOidPlusContentAsync()
{
MemoryStream ms = new MemoryStream();
BsonDataWriter writer = new BsonDataWriter(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());
}
public async Task WriteBigIntegerAsync()
{
BigInteger i = BigInteger.Parse("1999999999999999999999999999999999999999999999999999999999990");
MemoryStream ms = new MemoryStream();
BsonDataWriter writer = new BsonDataWriter(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);
BsonDataReader reader = new BsonDataReader(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());
}
public async Task WriteValuesAsync()
{
MemoryStream ms = new MemoryStream();
BsonDataWriter writer = new BsonDataWriter(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);
}