public override void WriteEndArray()
{
if (Disposed) { throw new ObjectDisposedException("BsonBinaryWriter"); }
if (State != BsonWriterState.Value)
{
ThrowInvalidState("WriteEndArray", BsonWriterState.Value);
}
if (_context.ContextType != ContextType.Array)
{
ThrowInvalidContextType("WriteEndArray", _context.ContextType, ContextType.Array);
}
base.WriteEndArray();
_buffer.WriteByte(0);
BackpatchSize(); // size of document
_context = _context.ParentContext;
State = GetNextState();
}
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>();
}
}