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
6#include <boost/spirit/include/karma_optional.hpp>
7
8#include <boost/spirit/include/karma_char.hpp>
9#include <boost/spirit/include/karma_int.hpp>
10#include <boost/spirit/include/karma_action.hpp>
11#include <boost/phoenix/core.hpp>
12#include <boost/phoenix/operator.hpp>
13
14#include <iostream>
15#include "test.hpp"
16
17int main()
18{
19 using namespace spirit_test;
20 using namespace boost::spirit;
21 using namespace boost::spirit::ascii;
22
23 {
24 boost::optional<int> opt;
25 BOOST_TEST(test("", -int_, opt));
26
27 opt = 10;
28 BOOST_TEST(test("10", -int_, opt));
29 }
30
31 {
32 int opt = 10;
33 BOOST_TEST(test("10", -int_, opt));
34 }
35
36 {
37 boost::optional<int> opt;
38 BOOST_TEST(test_delimited("", -int_, opt, space));
39
40 opt = 10;
41 BOOST_TEST(test_delimited("10 ", -int_, opt, space));
42 }
43
44 {
45 int opt = 10;
46 BOOST_TEST(test_delimited("10 ", -int_, opt, space));
47 }
48
49 { // test action
50 using namespace boost::phoenix;
51 namespace phoenix = boost::phoenix;
52
53 boost::optional<int> n ;
54 BOOST_TEST(test("", (-int_)[_1 = phoenix::ref(n)]));
55
56 n = 1234;
57 BOOST_TEST(test("1234", (-int_)[_1 = phoenix::ref(n)]));
58 }
59
60 { // test action
61 using namespace boost::phoenix;
62 namespace phoenix = boost::phoenix;
63
64 int n = 1234;
65 BOOST_TEST(test("1234", (-int_)[_1 = phoenix::ref(n)]));
66 }
67
68 { // test action
69 using namespace boost::phoenix;
70 namespace phoenix = boost::phoenix;
71
72 boost::optional<int> n;
73 BOOST_TEST(test_delimited("", (-int_)[_1 = phoenix::ref(n)], space));
74
75 n = 1234;
76 BOOST_TEST(test_delimited("1234 ", (-int_)[_1 = phoenix::ref(n)], space));
77 }
78
79 { // test action
80 using namespace boost::phoenix;
81 namespace phoenix = boost::phoenix;
82
83 int n = 1234;
84 BOOST_TEST(test_delimited("1234 ", (-int_)[_1 = phoenix::ref(n)], space));
85 }
86
87 return boost::report_errors();
88}
89

source code of boost/libs/spirit/test/karma/optional.cpp