ceph/src/boost/libs/spirit/test/x3/seek.cpp

   1 /*//////////////////////////////////////////////////////////////////////////////
   2     Copyright (c) 2011 Jamboree
   3     Copyright (c) 2014 Lee Clagett
   4
   5     Distributed under the Boost Software License, Version 1.0. (See accompanying
   6     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   7 //////////////////////////////////////////////////////////////////////////////*/
   8 #include <vector>
   9
  10 #include <boost/spirit/home/x3/auxiliary/eoi.hpp>
  11 #include <boost/spirit/home/x3/core.hpp>
  12 #include <boost/spirit/home/x3/char.hpp>
  13 #include <boost/spirit/home/x3/string.hpp>
  14 #include <boost/spirit/home/x3/numeric.hpp>
  15 #include <boost/spirit/home/x3/operator/plus.hpp>
  16 #include <boost/spirit/home/x3/operator/sequence.hpp>
  17
  18 #include <boost/spirit/home/x3/directive/seek.hpp>
  19
  20 #include "test.hpp"
  21
  22
  23 ///////////////////////////////////////////////////////////////////////////////
  24 int main()
  25 {
  26     using namespace spirit_test;
  27     namespace x3 = boost::spirit::x3;
  28
  29     BOOST_SPIRIT_ASSERT_CONSTEXPR_CTORS(x3::seek['x']);
  30
  31     // test eoi
  32     {
  33         BOOST_TEST(test("", x3::seek[x3::eoi]));
  34         BOOST_TEST(test(" ", x3::seek[x3::eoi], x3::space));
  35         BOOST_TEST(test("a", x3::seek[x3::eoi]));
  36         BOOST_TEST(test(" a", x3::seek[x3::eoi], x3::space));
  37     }
  38
  39     // test literal finding
  40     {
  41         int i = 0;
  42
  43         BOOST_TEST(
  44             test_attr("!@#$%^&*KEY:123", x3::seek["KEY:"] >> x3::int_, i)
  45             && i == 123
  46         );
  47     }
  48     // test sequence finding
  49     {
  50         int i = 0;
  51
  52         BOOST_TEST(
  53             test_attr("!@#$%^&* KEY : 123", x3::seek[x3::lit("KEY") >> ':'] >> x3::int_, i, x3::space)
  54             && i == 123
  55         );
  56     }
  57
  58     // test attr finding
  59     {
  60         std::vector<int> v;
  61
  62         BOOST_TEST( // expect partial match
  63             test_attr("a06b78c3d", +x3::seek[x3::int_], v, false)
  64             && v.size() == 3 && v[0] == 6 && v[1] == 78 && v[2] == 3
  65         );
  66     }
  67
  68     // test action
  69     {
  70
  71        bool b = false;
  72        auto const action = [&b]() { b = true; };
  73
  74        BOOST_TEST( // expect partial match
  75            test("abcdefg", x3::seek["def"][action], false)
  76            && b
  77        );
  78     }
  79
  80     // test container
  81     {
  82         std::vector<int> v;
  83
  84         BOOST_TEST(
  85             test_attr("abcInt:100Int:95Int:44", x3::seek[+("Int:" >> x3::int_)], v)
  86             && v.size() == 3 && v[0] == 100 && v[1] == 95 && v[2] == 44
  87         );
  88     }
  89
  90     // test failure rollback
  91     {
  92         BOOST_TEST(test_failure("abcdefg", x3::seek[x3::int_]));
  93     }
  94
  95     // past the end regression GH#658
  96     BOOST_TEST(!test(" ", x3::seek['x'], x3::space));
  97
  98     return boost::report_errors();
  99 }