foldl_reject_incomplete_start_with_parser.cpp 2.4 KB

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  1. // Copyright Abel Sinkovics (abel@sinkovics.hu) 2015.
  2. // Distributed under the Boost Software License, Version 1.0.
  3. // (See accompanying file LICENSE_1_0.txt or copy at
  4. // http://www.boost.org/LICENSE_1_0.txt)
  5. #include <boost/metaparse/foldl_reject_incomplete_start_with_parser.hpp>
  6. #include <boost/metaparse/start.hpp>
  7. #include <boost/metaparse/string.hpp>
  8. #include <boost/metaparse/is_error.hpp>
  9. #include <boost/metaparse/get_result.hpp>
  10. #include <boost/metaparse/return_.hpp>
  11. #include <boost/metaparse/sequence.hpp>
  12. #include <boost/metaparse/v1/impl/back_inserter.hpp>
  13. #include "common.hpp"
  14. #include <boost/mpl/apply_wrap.hpp>
  15. #include <boost/mpl/char.hpp>
  16. #include <boost/mpl/assert.hpp>
  17. #include "test_case.hpp"
  18. namespace
  19. {
  20. struct keep_state
  21. {
  22. typedef keep_state type;
  23. template <class S, class C>
  24. struct apply : S {};
  25. };
  26. }
  27. BOOST_METAPARSE_TEST_CASE(foldl_reject_incomplete_start_with_parser)
  28. {
  29. using boost::metaparse::foldl_reject_incomplete_start_with_parser;
  30. using boost::metaparse::start;
  31. using boost::metaparse::is_error;
  32. using boost::metaparse::lit_c;
  33. using boost::metaparse::get_result;
  34. using boost::metaparse::sequence;
  35. using boost::mpl::equal_to;
  36. using boost::mpl::apply_wrap2;
  37. using boost::mpl::char_;
  38. typedef sequence<lit_c<'a'>, lit_c<'a'> > aa;
  39. typedef
  40. foldl_reject_incomplete_start_with_parser<aa, lit_c<'b'>, keep_state>
  41. p;
  42. // test_b
  43. BOOST_MPL_ASSERT((
  44. equal_to<get_result<apply_wrap2<p, str_b, start> >::type, char_<'b'> >
  45. ));
  46. // test_ba
  47. BOOST_MPL_ASSERT(( is_error<apply_wrap2<p, str_ba, start> > ));
  48. // test_baaaa
  49. BOOST_MPL_ASSERT((
  50. equal_to<get_result<apply_wrap2<p, str_baaaa, start> >::type, char_<'b'> >
  51. ));
  52. // test_c
  53. BOOST_MPL_ASSERT((is_error<apply_wrap2<p, str_c, start> >));
  54. // test_ca
  55. BOOST_MPL_ASSERT((is_error<apply_wrap2<p, str_ca, start> >));
  56. }
  57. // Test foldl_reject_incomplete_start_with_parser as a normal fold
  58. using boost::metaparse::foldl_reject_incomplete_start_with_parser;
  59. using boost::metaparse::return_;
  60. using boost::metaparse::v1::impl::back_inserter;
  61. using boost::mpl::vector;
  62. namespace
  63. {
  64. template <class P>
  65. struct repeated_reject_incomplete :
  66. foldl_reject_incomplete_start_with_parser<
  67. P,
  68. return_<vector<> >,
  69. back_inserter
  70. >
  71. {};
  72. }
  73. #define TEST_NAME \
  74. foldl_reject_incomplete_start_with_parser_as_foldl_reject_incomplete
  75. #include "repeated_reject_incomplete_test.hpp"