misutowolf@blomkvist:~/Projects/freeman/lib$ irb -I .
2.0.0-p247 :001 > load 'source_buffer.rb'
 => true
2.0.0-p247 :002 > buf = SourceBuffer.new
 => #<SourceBuffer:0x00000002ba6d80>
2.0.0-p247 :003 > buf.set("Hello\0World\0")
 => 0
2.0.0-p247 :004 > buf.get_string
 => ""
2.0.0-p247 :005 > buf.get_string
 => ""
2.0.0-p247 :006 > buf.buffer
 => "Hello\x00World\x00"