text: 
  // Copyright 2006-2009 Daniel James.
  // Distributed under the Boost Software License, Version 1.0. (See accompanying
  // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  
  // This test just makes sure a header which uses hash_fwd can compile without
  // the main hash headers.
  
  #include "./config.hpp"
  
  #if !defined(BOOST_HASH_TEST_EXTENSIONS) || defined(BOOST_HASH_TEST_STD_INCLUDES)
  
  int main() {}
  
  #else
  
  #include "./hash_fwd_test.hpp"
  #include <boost/detail/lightweight_test.hpp>
  
  template <class T> void unused(T const&) {}
  
  void fwd_test()
  {
      test::test_type1<int> x1(3);
      test::test_type1<std::string> y1("Black");
      test::test_type2<int> x2(25, 16);
      test::test_type2<std::string> y2("White", "Green");
  
      std::vector<int> empty;
      std::vector<std::string> empty2;
  
      test::test_type3<int> x3(empty.begin(), empty.end());
      test::test_type3<std::string> y3(empty2.begin(), empty2.end());
  
      // Prevent gcc warnings:
      unused(x1); unused(x2); unused(x3);
      unused(y1); unused(y2); unused(y3);
  }
  
  int main()
  {
      fwd_test();
  
      return boost::report_errors();
  }
  
  #endif // defined(BOOST_HASH_TEST_EXTENSIONS) && !defined(BOOST_HASH_TEST_STD_INCLUDES)
  