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
|
// Copyright (C) 2003, Fernando Luis Cacciola Carballal.
//
// Use, modification, and distribution is subject to 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/lib/optional for documentation.
//
// You are welcome to contact the author at:
// fernando_cacciola@hotmail.com
//
#include<stdexcept>
#include<string>
#include<sstream>
#define BOOST_ENABLE_ASSERT_HANDLER
#include "boost/optional/optional.hpp"
#include "boost/optional/optional_io.hpp"
#include "boost/none.hpp"
#include "boost/test/minimal.hpp"
#ifdef ENABLE_TRACE
#define TRACE(msg) std::cout << msg << std::endl ;
#else
#define TRACE(msg)
#endif
namespace boost {
void assertion_failed (char const * expr, char const * func, char const * file, long )
{
using std::string ;
string msg = string("Boost assertion failure for \"")
+ string(expr)
+ string("\" at file \"")
+ string(file)
+ string("\" function \"")
+ string(func)
+ string("\"") ;
TRACE(msg);
throw std::logic_error(msg);
}
}
using namespace std ;
using namespace boost ;
template<class Opt>
void test2( Opt o, Opt buff )
{
stringstream s ;
s << o ;
s >> buff ;
BOOST_ASSERT( buff == o ) ;
}
template<class T>
void test( T v, T w )
{
test2( make_optional(v), optional<T> ());
test2( make_optional(v), make_optional(w));
test2( optional<T> () , optional<T> ());
test2( optional<T> () , make_optional(w));
}
int test_main( int, char* [] )
{
try
{
test(1,2);
test(string("hello"),string("buffer"));
test(string(""),string("buffer"));
}
catch ( ... )
{
BOOST_ERROR("Unexpected Exception caught!");
}
return 0;
}
|
