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/detail/lightweight_test.hpp>
  11 #include <boost/spirit/home/x3/auxiliary/eoi.hpp>
  12 #include <boost/spirit/home/x3/core.hpp>
  13 #include <boost/spirit/home/x3/char.hpp>
  14 #include <boost/spirit/home/x3/string.hpp>
  15 #include <boost/spirit/home/x3/numeric.hpp>
  16 #include <boost/spirit/home/x3/operator/plus.hpp>
  17 #include <boost/spirit/home/x3/operator/sequence.hpp>
  18
  19 #include <boost/spirit/home/x3/directive/seek.hpp>
  20
  21 #include "test.hpp"
  22
  23
  24 ///////////////////////////////////////////////////////////////////////////////
  25 int main()
  26 {
  27     using namespace spirit_test;
  28     namespace x3 = boost::spirit::x3;
  29
  30     // test eoi
  31     {
  32         BOOST_TEST(test("", x3::seek[x3::eoi]));
  33         BOOST_TEST(test(" ", x3::seek[x3::eoi], x3::space));
  34         BOOST_TEST(test("a", x3::seek[x3::eoi]));
  35         BOOST_TEST(test(" a", x3::seek[x3::eoi], x3::space));
  36     }
  37
  38     // test literal finding
  39     {
  40         int i = 0;
  41
  42         BOOST_TEST(
  43             test_attr("!@#$%^&*KEY:123", x3::seek["KEY:"] >> x3::int_, i)
  44             && i == 123
  45         );
  46     }
  47     // test sequence finding
  48     {
  49         int i = 0;
  50
  51         BOOST_TEST(
  52             test_attr("!@#$%^&* KEY : 123", x3::seek[x3::lit("KEY") >> ':'] >> x3::int_, i, x3::space)
  53             && i == 123
  54         );
  55     }
  56
  57     // test attr finding
  58     {
  59         std::vector<int> v;
  60
  61         BOOST_TEST( // expect partial match
  62             test_attr("a06b78c3d", +x3::seek[x3::int_], v, false)
  63             && v.size() == 3 && v[0] == 6 && v[1] == 78 && v[2] == 3
  64         );
  65     }
  66
  67     // test action
  68     {
  69
  70        bool b = false;
  71        auto const action = [&b]() { b = true; };
  72
  73        BOOST_TEST( // expect partial match
  74            test("abcdefg", x3::seek["def"][action], false)
  75            && b
  76        );
  77     }
  78
  79     // test container
  80     {
  81         std::vector<int> v;
  82
  83         BOOST_TEST(
  84             test_attr("abcInt:100Int:95Int:44", x3::seek[+("Int:" >> x3::int_)], v)
  85             && v.size() == 3 && v[0] == 100 && v[1] == 95 && v[2] == 44
  86         );
  87     }
  88
  89     // test failure rollback
  90     {
  91         BOOST_TEST(test_failure("abcdefg", x3::seek[x3::int_]));
  92     }
  93
  94     return boost::report_errors();
  95 }