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
|
// Copyright 2018-2022 Emil Dotchevski and Reverge Studios, Inc.
// 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)
#include <boost/leaf/config.hpp>
#if !BOOST_LEAF_CFG_DIAGNOSTICS
#include <iostream>
int main()
{
std::cout << "Unit test not applicable." << std::endl;
return 0;
}
#else
#ifdef BOOST_LEAF_TEST_SINGLE_HEADER
# include "leaf.hpp"
#else
# include <boost/leaf/detail/print.hpp>
#endif
#include "lightweight_test.hpp"
#include <sstream>
namespace leaf = boost::leaf;
struct c0
{
friend std::ostream & operator<<( std::ostream & os, c0 const & )
{
return os << "c0";
}
};
struct c1
{
int value;
friend std::ostream & operator<<( std::ostream & os, c1 const & )
{
return os << "c1";
}
};
struct c2
{
int value;
};
std::ostream & operator<<( std::ostream & os, c2 const & )
{
return os << "c2";
}
struct c3
{
int value;
};
struct c4
{
struct unprintable { };
unprintable value;;
};
template <class T>
bool check( T const & x, char const * sub )
{
using namespace leaf::leaf_detail;
std::ostringstream s;
diagnostic<T>::print(s,x);
std::string q = s.str();
return q.find(sub)!=q.npos;
}
struct my_exception: std::exception
{
char const * what() const noexcept override { return "my_exception_what"; }
};
int main()
{
BOOST_TEST(check(c0{ },"c0"));
BOOST_TEST(check(c1{42},"c1"));
{
c1 x;
c1 & y = x;
BOOST_TEST(check(x,"c1"));
BOOST_TEST(check(y,"c1"));
}
BOOST_TEST(check(c2{42},"c2"));
{
c2 x = {42};
c2 & y = x;
BOOST_TEST(check(x,"c2"));
BOOST_TEST(check(y,"c2"));
}
BOOST_TEST(check(c3{42},"c3"));
BOOST_TEST(check(c3{42},"42"));
{
c3 x = {42};
c3 & y = x;
BOOST_TEST(check(x,"c3"));
BOOST_TEST(check(x,"42"));
BOOST_TEST(check(y,"c3"));
BOOST_TEST(check(y,"42"));
}
BOOST_TEST(check(c4(),"c4"));
BOOST_TEST(check(c4(),"{Non-Printable}"));
{
c4 x;
c4 & y = x;
BOOST_TEST(check(x,"c4"));
BOOST_TEST(check(x,"{Non-Printable}"));
BOOST_TEST(check(y,"c4"));
BOOST_TEST(check(y,"{Non-Printable}"));
}
BOOST_TEST(check(my_exception{}, "std::exception::what(): my_exception_what"));
return boost::report_errors();
}
#endif
|
