public void BackpatchSize_should_throw_when_size_is_larger_than_2GB()
{
using (var stream = new NullBsonStream())
using (var binaryWriter = new BsonBinaryWriter(stream))
{
var bytes = new byte[int.MaxValue / 2]; // 1GB
var binaryData = new BsonBinaryData(bytes);
binaryWriter.WriteStartDocument();
binaryWriter.WriteName("array");
binaryWriter.WriteStartArray();
binaryWriter.WriteBinaryData(binaryData);
binaryWriter.WriteBinaryData(binaryData);
Action action = () => binaryWriter.WriteEndArray(); // indirectly calls private BackpatchSize method
action.ShouldThrow<FormatException>();
}
}
public void BsonBinaryWriter_should_support_writing_more_than_2GB()
{
using (var stream = new NullBsonStream())
using (var binaryWriter = new BsonBinaryWriter(stream))
{
var bigBinaryData = new BsonBinaryData(new byte[int.MaxValue / 2 - 1000]);
for (var i = 0; i < 3; i++)
{
binaryWriter.WriteStartDocument();
binaryWriter.WriteName("x");
binaryWriter.WriteBinaryData(bigBinaryData);
binaryWriter.WriteEndDocument();
}
var smallBinaryData = new BsonBinaryData(new byte[2000]);
binaryWriter.WriteStartDocument();
binaryWriter.WriteName("x");
binaryWriter.WriteBinaryData(smallBinaryData);
binaryWriter.WriteEndDocument();
}
}