text: #!/usr/bin/python
  
  # Copyright 2003 Vladimir Prus
  # Distributed under the Boost Software License, Version 1.0.
  # (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
  
  # Regression test: it was possible that due to evaluation of conditional
  # requirements, two different values of non-free features were present in a
  # property set.
  
  import BoostBuild
  
  t = BoostBuild.Tester()
  
  t.write("a.cpp", "")
  
  t.write("jamroot.jam", """
  import feature ;
  import common ;
  
  feature.feature the_feature : false true : propagated ;
  
  rule maker ( targets * : sources * : properties * )
  {
      if <the_feature>false in $(properties) &&
          <the_feature>true in $(properties)
      {
          EXIT "Oops, two different values of non-free feature" ;
      }
      CMD on $(targets) = [ common.file-creation-command ] ;
  }
  
  actions maker
  {
      $(CMD) $(<) ;
  }
  
  make a : a.cpp : maker : <variant>debug:<the_feature>true ;
  """)
  
  t.run_build_system()
  
  t.cleanup()
  