#!/usr/bin/env ruby
#-*-ruby-*-
require "catbuf"

TRYCOUNT = 500000
def bench(comment, &block)
  GC.start
  start_times = Time.times
  TRYCOUNT.times(&block)
  finish_times = Time.times
  puts "#{comment}\n  user: #{finish_times.utime - start_times.utime}, system: #{finish_times.stime - start_times.stime}"
end

str = ""
appended = "12345678"
bench("Appending to String") {
  str << appended
}

str = "\000" * (TRYCOUNT * appended.size)
str.slice!(0, 0)
bench("Appending to String with buffer allocated") {
  str << appended
}

str = CatBuffer.new
bench("Appending to CatBuffer") {
  str << appended
}

str = CatBuffer.new(TRYCOUNT * appended.size)
bench("Appending to CatBuffer with enough capacity") {
  str << appended
}