summaryrefslogtreecommitdiff
path: root/libs/algorithm/string/test/find_format_test.cpp
blob: 645cdba3acc071c4f260867f02ecaea204057d3e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
//  Boost string_algo library find_format_test.cpp file  ------------------//

//  Copyright (c) 2009 Steven Watanabe
//  Distributed under the Boost Software License, Version 1.0. (See
//  accompanying file LICENSE_1_0.txt or copy at
//  http://www.boost.org/LICENSE_1_0.txt)

//  See http://www.boost.org for updates, documentation, and revision history.

#include <boost/algorithm/string/find_format.hpp>
#include <boost/algorithm/string/finder.hpp>
#include <boost/algorithm/string/formatter.hpp>

// Include unit test framework
#define BOOST_TEST_MAIN
#include <boost/test/unit_test.hpp>

#include <boost/test/test_tools.hpp>

// We're only using const_formatter.
template<class Formatter>
struct formatter_result {
    typedef boost::iterator_range<const char*> type;
};

template<class Formatter>
struct checked_formatter {
public:
    checked_formatter(const Formatter& formatter) : formatter_(formatter) {}
    template< typename T >
    typename formatter_result<Formatter>::type operator()( const T & s ) const {
        BOOST_CHECK( !s.empty() );
        return formatter_(s);
    }
private:
    Formatter formatter_;
};

template<class Formatter>
checked_formatter<Formatter>
make_checked_formatter(const Formatter& formatter) {
    return checked_formatter<Formatter>(formatter);
}

void find_format_test()
{
    const std::string source = "$replace $replace";
    std::string expected = "ok $replace";
    std::string output(80, '\0');

    std::string::iterator pos =
        boost::find_format_copy(
            output.begin(),
            source,
            boost::first_finder("$replace"),
            make_checked_formatter(boost::const_formatter("ok")));
    BOOST_CHECK(pos == output.begin() + expected.size());
    output.erase(std::remove(output.begin(), output.end(), '\0'), output.end());
    BOOST_CHECK_EQUAL(output, expected);

    output =
        boost::find_format_copy(
            source,
            boost::first_finder("$replace"),
            make_checked_formatter(boost::const_formatter("ok")));
    BOOST_CHECK_EQUAL(output, expected);

    // now try finding a string that doesn't exist
    output.resize(80);
    pos =
        boost::find_format_copy(
            output.begin(),
            source,
            boost::first_finder("$noreplace"),
            make_checked_formatter(boost::const_formatter("bad")));
    BOOST_CHECK(pos == output.begin() + source.size());
    output.erase(std::remove(output.begin(), output.end(), '\0'), output.end());
    BOOST_CHECK_EQUAL(output, source);

    output =
        boost::find_format_copy(
            source,
            boost::first_finder("$noreplace"),
            make_checked_formatter(boost::const_formatter("bad")));
    BOOST_CHECK_EQUAL(output, source);

    // in place version
    output = source;
    boost::find_format(
        output,
        boost::first_finder("$replace"),
        make_checked_formatter(boost::const_formatter("ok")));
    BOOST_CHECK_EQUAL(output, expected);
    output = source;
    boost::find_format(
        output,
        boost::first_finder("$noreplace"),
        make_checked_formatter(boost::const_formatter("bad")));
    BOOST_CHECK_EQUAL(output, source);
}

void find_format_all_test()
{
    const std::string source = "$replace $replace";
    std::string expected = "ok ok";
    std::string output(80, '\0');

    std::string::iterator pos =
        boost::find_format_all_copy(output.begin(),
                                source,
                                boost::first_finder("$replace"),
                                boost::const_formatter("ok"));
    BOOST_CHECK(pos == output.begin() + expected.size());
    output.erase(std::remove(output.begin(), output.end(), '\0'), output.end());
    BOOST_CHECK_EQUAL(output, expected);

    output =
        boost::find_format_all_copy(
            source,
            boost::first_finder("$replace"),
            make_checked_formatter(boost::const_formatter("ok")));
    BOOST_CHECK_EQUAL(output, expected);

    // now try finding a string that doesn't exist
    output.resize(80);
    pos =
        boost::find_format_all_copy(
            output.begin(),
            source,
            boost::first_finder("$noreplace"),
            make_checked_formatter(boost::const_formatter("bad")));
    BOOST_CHECK(pos == output.begin() + source.size());
    output.erase(std::remove(output.begin(), output.end(), '\0'), output.end());
    BOOST_CHECK_EQUAL(output, source);

    output =
        boost::find_format_all_copy(
            source,
            boost::first_finder("$noreplace"),
            make_checked_formatter(boost::const_formatter("bad")));
    BOOST_CHECK_EQUAL(output, source);

    // in place version
    output = source;
    boost::find_format_all(
        output,
        boost::first_finder("$replace"),
        make_checked_formatter(boost::const_formatter("ok")));
    BOOST_CHECK_EQUAL(output, expected);
    output = source;
    boost::find_format_all(
        output,
        boost::first_finder("$noreplace"),
        make_checked_formatter(boost::const_formatter("bad")));
    BOOST_CHECK_EQUAL(output, source);
}

BOOST_AUTO_TEST_CASE( test_main )
{
    find_format_test();
    find_format_all_test();
}