symbols3.cpp 4.0 KB

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  1. // Copyright (c) 2001-2011 Hartmut Kaiser
  2. //
  3. // Distributed under the Boost Software License, Version 1.0. (See accompanying
  4. // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  5. #include <boost/spirit/include/karma_auxiliary.hpp>
  6. #include <boost/spirit/include/karma_char.hpp>
  7. #include <boost/spirit/include/karma_string.hpp>
  8. #include <boost/spirit/include/karma_operator.hpp>
  9. #include <boost/spirit/include/karma_directive.hpp>
  10. #include <boost/spirit/include/karma_generate.hpp>
  11. #include <boost/spirit/include/karma_nonterminal.hpp>
  12. #include <boost/core/lightweight_test.hpp>
  13. #include <boost/core/lightweight_test_trait.hpp>
  14. #include "test.hpp"
  15. namespace fusion = boost::fusion;
  16. template <typename T>
  17. inline std::vector<T>
  18. make_vector(T const& t1, T const& t2)
  19. {
  20. std::vector<T> v;
  21. v.push_back(t1);
  22. v.push_back(t2);
  23. return v;
  24. }
  25. int main()
  26. {
  27. using spirit_test::test;
  28. using boost::spirit::karma::symbols;
  29. { // more advanced
  30. using boost::spirit::karma::rule;
  31. using boost::spirit::karma::lit;
  32. using boost::spirit::karma::char_;
  33. typedef spirit_test::output_iterator<char>::type output_iterator_type;
  34. symbols<char, rule<output_iterator_type, char()> > sym;
  35. rule<output_iterator_type, char()> r1 = char_;
  36. sym.add
  37. ('j', r1.alias())
  38. ('h', r1.alias())
  39. ('t', r1.alias())
  40. ('k', r1.alias())
  41. ;
  42. BOOST_TEST_TRAIT_TRUE((
  43. boost::spirit::traits::is_generator<
  44. symbols<char, rule<output_iterator_type, char()> > >));
  45. BOOST_TEST((test("J", sym, make_vector('j', 'J'))));
  46. BOOST_TEST((test("H", sym, make_vector('h', 'H'))));
  47. BOOST_TEST((test("T", sym, make_vector('t', 'T'))));
  48. BOOST_TEST((test("K", sym, make_vector('k', 'K'))));
  49. BOOST_TEST((!test("", sym, 'x')));
  50. // test copy
  51. symbols<char, rule<output_iterator_type, char()> > sym2;
  52. sym2 = sym;
  53. BOOST_TEST((test("J", sym2, make_vector('j', 'J'))));
  54. BOOST_TEST((test("H", sym2, make_vector('h', 'H'))));
  55. BOOST_TEST((test("T", sym2, make_vector('t', 'T'))));
  56. BOOST_TEST((test("K", sym2, make_vector('k', 'K'))));
  57. BOOST_TEST((!test("", sym2, 'x')));
  58. // make sure it plays well with other generators
  59. BOOST_TEST((test("Jyo", sym << "yo", make_vector('j', 'J'))));
  60. sym.remove
  61. ('j')
  62. ('h')
  63. ;
  64. BOOST_TEST((!test("", sym, 'j')));
  65. BOOST_TEST((!test("", sym, 'h')));
  66. }
  67. { // basics
  68. symbols<std::string> sym;
  69. sym.add
  70. ("Joel")
  71. ("Hartmut")
  72. ("Tom")
  73. ("Kim")
  74. ;
  75. BOOST_TEST_TRAIT_TRUE((
  76. boost::spirit::traits::is_generator<
  77. symbols<char, std::string> >));
  78. BOOST_TEST((test("Joel", sym, "Joel")));
  79. BOOST_TEST((test("Hartmut", sym, "Hartmut")));
  80. BOOST_TEST((test("Tom", sym, "Tom")));
  81. BOOST_TEST((test("Kim", sym, "Kim")));
  82. BOOST_TEST((!test("", sym, "X")));
  83. // test copy
  84. symbols<std::string> sym2;
  85. sym2 = sym;
  86. BOOST_TEST((test("Joel", sym2, "Joel")));
  87. BOOST_TEST((test("Hartmut", sym2, "Hartmut")));
  88. BOOST_TEST((test("Tom", sym2, "Tom")));
  89. BOOST_TEST((test("Kim", sym2, "Kim")));
  90. BOOST_TEST((!test("", sym2, "X")));
  91. // make sure it plays well with other generators
  92. BOOST_TEST((test("Joelyo", sym << "yo", "Joel")));
  93. sym.remove
  94. ("Joel")
  95. ("Hartmut")
  96. ;
  97. BOOST_TEST((!test("", sym, "Joel")));
  98. BOOST_TEST((!test("", sym, "Hartmut")));
  99. }
  100. { // name
  101. symbols <std::string> sym("test1"), sym2;
  102. BOOST_TEST(sym.name() == "test1");
  103. sym.name("test");
  104. BOOST_TEST(sym.name() == "test");
  105. sym2 = sym;
  106. BOOST_TEST(sym2.name() == "test");
  107. symbols <std::string> sym3(sym);
  108. BOOST_TEST(sym3.name() == "test");
  109. }
  110. return boost::report_errors();
  111. }