stress.rb

require 'bson'

100_000.times {
  buffer = BSON::ByteBuffer.new
  buffer.prepend! "string"
}

100_000.times {
  buffer = BSON::ByteBuffer.new "string"
  buffer.prepend! "string"
}

# Now pass an array. This blows up because it ends up
# passing an array to the `case String` branch which
# causes #prepend! to attempt string operations on an Array.

buffer = BSON::ByteBuffer.new([0,0,0,0])
buffer.prepend! "string"