public async Task WriteOidAsync()
{
MemoryStream ms = new MemoryStream();
BsonDataWriter writer = new BsonDataWriter(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);
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.AreEquivalent(oid, (byte[])reader.Value);
Assert.IsTrue(await reader.ReadAsync());
Assert.AreEqual(JsonToken.EndObject, reader.TokenType);
}
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 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 WriteRegexPlusContentAsync()
{
MemoryStream ms = new MemoryStream();
BsonDataWriter writer = new BsonDataWriter(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());
}
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 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 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());
}