---
prelude: |
  begin
    require "mongo"  # gem install mongo
    require "idn"    # gem install idn-ruby
  rescue LoadError
    warn "You must 'gem install mongo idn-ruby' for this benchmark."
    raise
  end

  MStrPrep = Mongo::Auth::StringPrep

  # this indirection will slow it down a little bit
  def mongo_saslprep(string)
    MStrPrep.prepare(string,
                     MStrPrep::Profiles::SASL::MAPPINGS,
                     MStrPrep::Profiles::SASL::PROHIBITED,
                     normalize: true,
                     bidi: true)
  rescue Mongo::Error::FailedStringPrepValidation
    nil
  end

  $LOAD_PATH.unshift "./lib"
  require "net/imap"
  def net_imap_saslprep(string)
    Net::IMAP::SASL::SASLprep.saslprep string, exception: false
  end

  def libidn_saslprep(string)
    IDN::Stringprep.with_profile(string, "SASLprep")
  rescue IDN::Stringprep::StringprepError
    nil
  end

benchmark:
  - net_imap_saslprep "I\u00ADX"     # RFC example 1. IX
  - net_imap_saslprep "user"         # RFC example 2. user
  - net_imap_saslprep "USER"         # RFC example 3. user
  - net_imap_saslprep "\u00aa"       # RFC example 4. a
  - net_imap_saslprep "\u2168"       # RFC example 5. IX
  - net_imap_saslprep "\u0007"       # RFC example 6. Error - prohibited character
  - net_imap_saslprep "\u0627\u0031" # RFC example 7. Error - bidirectional check
  - net_imap_saslprep "I\u2000X"     # map to space: I X
  - net_imap_saslprep "a longer string, e.g. a password"

  - libidn_saslprep "I\u00ADX"     # RFC example 1. IX
  - libidn_saslprep "user"         # RFC example 2. user
  - libidn_saslprep "USER"         # RFC example 3. user
  - libidn_saslprep "\u00aa"       # RFC example 4. a
  - libidn_saslprep "\u2168"       # RFC example 5. IX
  - libidn_saslprep "\u0007"       # RFC example 6. Error - prohibited character
  - libidn_saslprep "\u0627\u0031" # RFC example 7. Error - bidirectional check
  - libidn_saslprep "I\u2000X"     # map to space: I X
  - libidn_saslprep "a longer string, e.g. a password"

  - mongo_saslprep "I\u00ADX"     # RFC example 1. IX
  - mongo_saslprep "user"         # RFC example 2. user
  - mongo_saslprep "USER"         # RFC example 3. user
  - mongo_saslprep "\u00aa"       # RFC example 4. a
  - mongo_saslprep "\u2168"       # RFC example 5. IX
  - mongo_saslprep "\u0007"       # RFC example 6. Error - prohibited character
  - mongo_saslprep "\u0627\u0031" # RFC example 7. Error - bidirectional check
  - mongo_saslprep "I\u2000X"     # map to space: I X
  - mongo_saslprep "a longer string, e.g. a password"