output

buffer size: 1048576, reading 16348

test.rb

require 'zlib'

class MyInflate
  def initialize(input)
    @z = Zlib::Inflate.new
    @input = input
    @buf = ''
  end

  def read(n)
    while !@z.finished? && @buf.size < n
      @buf << @z.inflate(@input.slice!(0, 1))
    end
    return nil if @z.finished? and @buf.empty?
    puts "buffer size: #{@buf.size}, reading #{n}"
    @buf.slice!(0, n)
  end
end

compressed = Zlib::Deflate.deflate("0" * 1024 * 1024)
z = MyInflate.new(compressed)

true while z.read(16348)