ceph/src/boost/libs/spirit/classic/test/subrule_tests.cpp

   1 /*=============================================================================
   2     Copyright (c) 1998-2003 Joel de Guzman
   3     http://spirit.sourceforge.net/
   4
   5     Use, modification and distribution is subject to the Boost Software
   6     License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   7     http://www.boost.org/LICENSE_1_0.txt)
   8 =============================================================================*/
   9 #include <iostream>
  10 #include <boost/detail/lightweight_test.hpp>
  11
  12
  13 #include <boost/spirit/include/classic_core.hpp>
  14 using namespace BOOST_SPIRIT_CLASSIC_NS;
  15
  16 ///////////////////////////////////////////////////////////////////////////////
  17 //
  18 //  Sub Rules tests
  19 //
  20 ///////////////////////////////////////////////////////////////////////////////
  21 void
  22 subrules_tests()
  23 {
  24     subrule<0>  start;
  25     subrule<1>  a;
  26     subrule<2>  b;
  27     subrule<3>  c;
  28
  29     parse_info<char const*> pi;
  30     pi = parse("abcabcacb",
  31         (
  32             start   = *(a | b | c),
  33             a       = ch_p('a'),
  34             b       = ch_p('b'),
  35             c       = ch_p('c')
  36         )
  37     );
  38
  39     BOOST_TEST(pi.hit);
  40     BOOST_TEST(pi.full);
  41     BOOST_TEST(pi.length == 9);
  42     BOOST_TEST(*pi.stop == 0);
  43
  44     pi = parse("aaaabababaaabbb",
  45         (
  46             start   = (a | b) >> (start | b),
  47             a       = ch_p('a'),
  48             b       = ch_p('b')
  49         )
  50     );
  51
  52     BOOST_TEST(pi.hit);
  53     BOOST_TEST(pi.full);
  54     BOOST_TEST(pi.length == 15);
  55     BOOST_TEST(*pi.stop == 0);
  56
  57     pi = parse("aaaabababaaabba",
  58         (
  59             start   = (a | b) >> (start | b),
  60             a       = ch_p('a'),
  61             b       = ch_p('b')
  62         )
  63     );
  64
  65     BOOST_TEST(pi.hit);
  66     BOOST_TEST(!pi.full);
  67     BOOST_TEST(pi.length == 14);
  68
  69     pi = parse("aaaabababaaabbb",
  70
  71         //  single subrule test
  72         start = (ch_p('a') | 'b') >> (start | 'b')
  73     );
  74
  75     BOOST_TEST(pi.hit);
  76     BOOST_TEST(pi.full);
  77     BOOST_TEST(pi.length == 15);
  78     BOOST_TEST(*pi.stop == 0);
  79 }
  80
  81 ///////////////////////////////////////////////////////////////////////////////
  82 //
  83 //  Main
  84 //
  85 ///////////////////////////////////////////////////////////////////////////////
  86 int
  87 main()
  88 {
  89     subrules_tests();
  90     return boost::report_errors();
  91 }
  92