public void WriteSingleTimestamp()
{
using (var stream = new MemoryStream())
using (var reader = new BinaryReader(stream))
{
var root = new BSONDocument();
var now = new DateTime(635000000000000000).ToUniversalTime();
var stamp = new BSONTimestamp(now, 123);
root.Set(new BSONTimestampElement("stamp", stamp));
root.WriteAsBSON(stream);
Assert.AreEqual(stream.Position, 20); // ensure document length is 20 bytes
stream.Seek(0, SeekOrigin.Begin);
CollectionAssert.AreEqual(reader.ReadBytes(4), BitConverter.GetBytes(20)); // content length is 20
Assert.AreEqual(reader.ReadByte(), (byte) BSONElementType.TimeStamp); // element type is TimeStamp 0x11
CollectionAssert.AreEqual(reader.ReadBytes(5), Encoding.UTF8.GetBytes("stamp")); // element name is 'now'
Assert.AreEqual(reader.ReadByte(), (byte) 0x00); // string name terminator 0x00 is present
CollectionAssert.AreEqual(reader.ReadBytes(4), BitConverter.GetBytes(123)); // increment is correct
CollectionAssert.AreEqual(reader.ReadBytes(4), BitConverter.GetBytes((int)now.ToSecondsSinceUnixEpochStart())); // datetime is correct
Assert.AreEqual(reader.ReadByte(), (byte) 0x00); // last byte is terminator 0x00
Assert.AreEqual(stream.Position, 20); // ensure whole document readed
}
}
/// <summary>
/// { stamp: <seconds since Unix epoch to DateTime from 635000000000000000 ticks with 123 increment> }
/// </summary>
public void WriteSingleTimestamp(Stream stream)
{
var root = new BSONDocument();
var now = new DateTime(635000000000000000, DateTimeKind.Utc);
var stamp = new BSONTimestamp(now, 123);
root.Set(new BSONTimestampElement("stamp", stamp));
root.WriteAsBSON(stream);
}
