public void WriteSingleObjectId()
{
using (var stream = new MemoryStream())
using (var reader = new BinaryReader(stream))
{
var hex = "507f1f77bcf86cd799439011";
var data = Enumerable.Range(0, hex.Length)
.Where(x => x % 2 == 0)
.Select(x => Convert.ToByte(hex.Substring(x, 2), 16))
.ToArray();
var root = new BSONDocument();
var objectId = new BSONObjectID(data);
root.Set(new BSONObjectIDElement("objectId", objectId));
root.WriteAsBSON(stream);
Assert.AreEqual(stream.Position, 27); // ensure document length is 27 bytes
stream.Seek(0, SeekOrigin.Begin);
CollectionAssert.AreEqual(reader.ReadBytes(4), BitConverter.GetBytes(27)); // content length is 27
Assert.AreEqual(reader.ReadByte(), (byte)BSONElementType.ObjectID); // element type is objectID 0x07
CollectionAssert.AreEqual(reader.ReadBytes(8), Encoding.UTF8.GetBytes("objectId")); // element name is 'objectId'
Assert.AreEqual(reader.ReadByte(), (byte)0x00); // string name terminator 0x00 is present
CollectionAssert.AreEqual(reader.ReadBytes(12), data); // byte content is correct
Assert.AreEqual(reader.ReadByte(), (byte)0x00); // ensure last byte is terminator 0x00
Assert.AreEqual(stream.Position, 27); // ensure whole document readed
}
}
/// <summary>
/// { objectId: <bytes from hex '507f1f77bcf86cd799439011'> }
/// </summary>
public void WriteSingleObjectId(Stream stream)
{
var hex = "507f1f77bcf86cd799439011";
var data = Enumerable.Range(0, hex.Length)
.Where(x => x % 2 == 0)
.Select(x => Convert.ToByte(hex.Substring(x, 2), 16))
.ToArray();
var root = new BSONDocument();
var objectId = new BSONObjectID(data);
root.Set(new BSONObjectIDElement("objectId", objectId));
root.WriteAsBSON(stream);
}