Testing IceNine.deep_freeze performanc

bm_deep_freeze.rb

require 'benchmark'
require 'ice_nine'

def self.nested(depth, width, array_length)
  hash = {}

  1.upto(width) do |n|
    hash[n.to_s] = n.to_s
  end

  unless depth == 1
    hash[(width - 1).to_s] = array_length.times.map {|n| nested(depth - 1, width, array_length) }
    hash[width.to_s] = nested(depth - 1, width, array_length)
  end

  hash
end

hash = nested(3, 5, 100)

results = Benchmark.measure do
  IceNine.deep_freeze hash
end

puts results