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_stream.hpp>
7
8#include <boost/spirit/include/karma_char.hpp>
9#include <boost/spirit/include/karma_string.hpp>
10#include <boost/spirit/include/karma_directive.hpp>
11#include <boost/phoenix/core.hpp>
12#include <boost/phoenix/operator.hpp>
13
14#include "test.hpp"
15
16#include <boost/cstdint.hpp>
17#include <cwchar>
18#include <streambuf>
19#include <iostream>
20
21using namespace spirit_test;
22
23// a simple complex number representation z = a + bi
24struct complex
25{
26 complex (double a, double b)
27 : a(a), b(b)
28 {}
29
30 double a;
31 double b;
32
33 template <typename Char>
34 friend std::basic_ostream<Char>&
35 operator<< (std::basic_ostream<Char>& os, complex z)
36 {
37 os << "{" << z.a << "," << z.b << "}";
38 return os;
39 }
40};
41
42///////////////////////////////////////////////////////////////////////////////
43int
44main()
45{
46 using namespace boost::spirit;
47
48 {
49 BOOST_TEST(test("x", stream, 'x'));
50 BOOST_TEST(test("xyz", stream, "xyz"));
51 BOOST_TEST(test("xyz", stream, std::string("xyz")));
52 BOOST_TEST(test("1", stream, 1));
53 BOOST_TEST(test("1.1", stream, 1.1));
54 BOOST_TEST(test("{1.2,2.4}", stream, complex(1.2, 2.4)));
55 }
56
57 {
58 BOOST_TEST(test("x", stream('x')));
59 BOOST_TEST(test("xyz", stream("xyz")));
60 BOOST_TEST(test("xyz", stream(std::string("xyz"))));
61 BOOST_TEST(test("1", stream(1)));
62 BOOST_TEST(test("1.1", stream(1.1)));
63 BOOST_TEST(test("{1.2,2.4}", stream(complex(1.2, 2.4))));
64 }
65
66 {
67 using namespace boost::spirit::ascii;
68
69 BOOST_TEST(test("x", lower[stream], 'X'));
70 BOOST_TEST(test("xyz", lower[stream], "XYZ"));
71 BOOST_TEST(test("xyz", lower[stream], std::string("XYZ")));
72 BOOST_TEST(test("X", upper[stream], 'x'));
73 BOOST_TEST(test("XYZ", upper[stream], "xyz"));
74 BOOST_TEST(test("XYZ", upper[stream], std::string("xyz")));
75 }
76
77 {
78 BOOST_TEST(test_delimited("x ", stream, 'x', ' '));
79 BOOST_TEST(test_delimited("xyz ", stream, "xyz", ' '));
80 BOOST_TEST(test_delimited("xyz ", stream, std::string("xyz"), ' '));
81 BOOST_TEST(test_delimited("1 ", stream, 1, ' '));
82 BOOST_TEST(test_delimited("1.1 ", stream, 1.1, ' '));
83 BOOST_TEST(test_delimited("{1.2,2.4} ", stream, complex(1.2, 2.4), ' '));
84 }
85
86 {
87 typedef karma::stream_generator<utf8_char> utf8_stream_type;
88 utf8_stream_type const utf8_stream = utf8_stream_type();
89
90 BOOST_TEST(test_delimited("x ", utf8_stream, 'x', ' '));
91 BOOST_TEST(test_delimited("xyz ", utf8_stream, "xyz", ' '));
92 BOOST_TEST(test_delimited("xyz ", utf8_stream, std::string("xyz"), ' '));
93 BOOST_TEST(test_delimited("1 ", utf8_stream, 1, ' '));
94 BOOST_TEST(test_delimited("1.1 ", utf8_stream, 1.1, ' '));
95 BOOST_TEST(test_delimited("{1.2,2.4} ", utf8_stream, complex(1.2, 2.4), ' '));
96
97 BOOST_TEST(test("x", utf8_stream('x')));
98 BOOST_TEST(test("xyz", utf8_stream("xyz")));
99 BOOST_TEST(test("xyz", utf8_stream(std::string("xyz"))));
100 BOOST_TEST(test("1", utf8_stream(1)));
101 BOOST_TEST(test("1.1", utf8_stream(1.1)));
102 BOOST_TEST(test("{1.2,2.4}", utf8_stream(complex(1.2, 2.4))));
103 }
104
105 {
106 using namespace boost::spirit::ascii;
107
108 BOOST_TEST(test_delimited("x ", lower[stream], 'X', ' '));
109 BOOST_TEST(test_delimited("xyz ", lower[stream], "XYZ", ' '));
110 BOOST_TEST(test_delimited("xyz ", lower[stream], std::string("XYZ"), ' '));
111 BOOST_TEST(test_delimited("X ", upper[stream], 'x', ' '));
112 BOOST_TEST(test_delimited("XYZ ", upper[stream], "xyz", ' '));
113 BOOST_TEST(test_delimited("XYZ ", upper[stream], std::string("xyz"), ' '));
114 }
115
116 { // lazy streams
117 namespace phx = boost::phoenix;
118
119 std::basic_string<char> s("abc");
120 BOOST_TEST((test("abc", stream(phx::val(s)))));
121 BOOST_TEST((test("abc", stream(phx::ref(s)))));
122 }
123
124 {
125 boost::optional<char> c;
126 BOOST_TEST(!test("", stream, c));
127 c = 'x';
128 BOOST_TEST(test("x", stream, c));
129 }
130
131 return boost::report_errors();
132}
133

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