class Dps8m < Formula
  desc "Simulator for the Multics dps-8/m mainframe"
  homepage "https://ringzero.wikidot.com"
  url "https://downloads.sourceforge.net/project/dps8m/Release%201.0/source.tgz"
  version "1.0"
  sha256 "51088dd91de888b918644c431eec22318640d28eb3050d9c01cd072aa7cca3c7"

  bottle do
    cellar :any
    sha256 "0c436100ea3f71f5e7fcb2a39ca6d6e08a4981b661117e6e8d18685df3c8d040" => :high_sierra
    sha256 "eab4df90e0f3573923e9baab97f0685d793a5ae200f167be8f99fc1ec957b60a" => :sierra
    sha256 "f079087bc567e575f5c7d83890d84cf872a58a3707fb08467b4eda2b6a10ccd7" => :el_capitan
  end

  depends_on "libuv"

  def install
    # Reported 23 Jul 2017 "make dosn't create bin directory"
    # See https://sourceforge.net/p/dps8m/mailman/message/35960505/
    bin.mkpath

    system "make", "INSTALL_ROOT=#{prefix}", "install"
  end

  test do
    (testpath/"test.exp").write <<~EOS
      spawn #{bin}/dps8
      set timeout 5
      expect {
        timeout { exit 1 }
        "sim>"
      }
      send "help\r"
      expect {
        timeout { exit 2 }
        "SKIPBOOT"
      }
      send "q\r"
      expect {
        timeout { exit 3 }
        eof
      }
    EOS
    assert_equal "Goodbye", shell_output("expect -f test.exp").lines.last.chomp
  end
end