public void Test20KDocument()
{
// manufacture an approximately 20K document using 200 strings each 100 characters long
// it's enough to cause the document to straddle a chunk boundary
var document = new BsonDocument();
var value = new string('x', 100);
for (int i = 0; i < 200; i++)
{
var name = i.ToString();
document.Add(name, value);
}
// round trip tests
var bson = document.ToBson();
var rehydrated = BsonSerializer.Deserialize<BsonDocument>(bson);
Assert.IsTrue(bson.SequenceEqual(rehydrated.ToBson()));
// test failure mode when 20 bytes are truncated from the buffer
using (var buffer = new BsonBuffer())
{
buffer.LoadFrom(new MemoryStream(bson));
buffer.Length -= 20;
using (var bsonReader = BsonReader.Create(buffer))
{
Assert.Throws<EndOfStreamException>(() => BsonSerializer.Deserialize<BsonDocument>(bsonReader));
}
}
}
public static BsonReader Create(
Stream stream,
BsonBinaryReaderSettings settings
)
{
BsonBuffer buffer = new BsonBuffer();
buffer.LoadFrom(stream);
return new BsonBinaryReader(buffer, settings);
}
