Test case for mirah/mirah#157

Test.mirah

import java.io.InputStream
import java.io.InputStreamReader
import java.io.IOException

class Test
  # take an InputStream, return a String
  def inputstream_to_string(is:InputStream)
    buffer = char[0x10000]
    out = StringBuilder.new
    inreader = InputStreamReader.new(is, "UTF-8")
    begin
      read = int(0)
      read_more = true
      while read_more
        read = inreader.read buffer, 0, buffer.length
        if read > 0
          out.append buffer, 0, read
        end
        read_more = read >= 0
      end
    rescue IOException => ex
    ensure
      inreader.close
    end      
    
    out.toString
  end
end