1#ifndef BOOST_CORE_LIGHTWEIGHT_TEST_HPP
2#define BOOST_CORE_LIGHTWEIGHT_TEST_HPP
3
4// MS compatible compilers support #pragma once
5
6#if defined(_MSC_VER)
7# pragma once
8#endif
9
10//
11// boost/core/lightweight_test.hpp - lightweight test library
12//
13// Copyright (c) 2002, 2009, 2014 Peter Dimov
14// Copyright (2) Beman Dawes 2010, 2011
15// Copyright (3) Ion Gaztanaga 2013
16//
17// Distributed under the Boost Software License, Version 1.0.
18// See accompanying file LICENSE_1_0.txt or copy at
19// http://www.boost.org/LICENSE_1_0.txt
20//
21
22#include <boost/assert.hpp>
23#include <boost/current_function.hpp>
24#include <boost/core/no_exceptions_support.hpp>
25#include <iostream>
26
27// IDE's like Visual Studio perform better if output goes to std::cout or
28// some other stream, so allow user to configure output stream:
29#ifndef BOOST_LIGHTWEIGHT_TEST_OSTREAM
30# define BOOST_LIGHTWEIGHT_TEST_OSTREAM std::cerr
31#endif
32
33namespace boost
34{
35
36namespace detail
37{
38
39struct report_errors_reminder
40{
41 bool called_report_errors_function;
42
43 report_errors_reminder() : called_report_errors_function(false) {}
44
45 ~report_errors_reminder()
46 {
47 BOOST_ASSERT(called_report_errors_function); // verify report_errors() was called
48 }
49};
50
51inline report_errors_reminder& report_errors_remind()
52{
53 static report_errors_reminder r;
54 return r;
55}
56
57inline int & test_errors()
58{
59 static int x = 0;
60 report_errors_remind();
61 return x;
62}
63
64inline void test_failed_impl(char const * expr, char const * file, int line, char const * function)
65{
66 BOOST_LIGHTWEIGHT_TEST_OSTREAM
67 << file << "(" << line << "): test '" << expr << "' failed in function '"
68 << function << "'" << std::endl;
69 ++test_errors();
70}
71
72inline void error_impl(char const * msg, char const * file, int line, char const * function)
73{
74 BOOST_LIGHTWEIGHT_TEST_OSTREAM
75 << file << "(" << line << "): " << msg << " in function '"
76 << function << "'" << std::endl;
77 ++test_errors();
78}
79
80inline void throw_failed_impl(char const * excep, char const * file, int line, char const * function)
81{
82 BOOST_LIGHTWEIGHT_TEST_OSTREAM
83 << file << "(" << line << "): Exception '" << excep << "' not thrown in function '"
84 << function << "'" << std::endl;
85 ++test_errors();
86}
87
88template<class T, class U> inline void test_eq_impl( char const * expr1, char const * expr2,
89 char const * file, int line, char const * function, T const & t, U const & u )
90{
91 if( t == u )
92 {
93 report_errors_remind();
94 }
95 else
96 {
97 BOOST_LIGHTWEIGHT_TEST_OSTREAM
98 << file << "(" << line << "): test '" << expr1 << " == " << expr2
99 << "' failed in function '" << function << "': "
100 << "'" << t << "' != '" << u << "'" << std::endl;
101 ++test_errors();
102 }
103}
104
105template<class T, class U> inline void test_ne_impl( char const * expr1, char const * expr2,
106 char const * file, int line, char const * function, T const & t, U const & u )
107{
108 if( t != u )
109 {
110 report_errors_remind();
111 }
112 else
113 {
114 BOOST_LIGHTWEIGHT_TEST_OSTREAM
115 << file << "(" << line << "): test '" << expr1 << " != " << expr2
116 << "' failed in function '" << function << "': "
117 << "'" << t << "' == '" << u << "'" << std::endl;
118 ++test_errors();
119 }
120}
121
122} // namespace detail
123
124inline int report_errors()
125{
126 boost::detail::report_errors_remind().called_report_errors_function = true;
127
128 int errors = boost::detail::test_errors();
129
130 if( errors == 0 )
131 {
132 BOOST_LIGHTWEIGHT_TEST_OSTREAM
133 << "No errors detected." << std::endl;
134 return 0;
135 }
136 else
137 {
138 BOOST_LIGHTWEIGHT_TEST_OSTREAM
139 << errors << " error" << (errors == 1? "": "s") << " detected." << std::endl;
140 return 1;
141 }
142}
143
144} // namespace boost
145
146#define BOOST_TEST(expr) ((expr)? (void)0: ::boost::detail::test_failed_impl(#expr, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION))
147
148#define BOOST_ERROR(msg) ( ::boost::detail::error_impl(msg, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION) )
149
150#define BOOST_TEST_EQ(expr1,expr2) ( ::boost::detail::test_eq_impl(#expr1, #expr2, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION, expr1, expr2) )
151#define BOOST_TEST_NE(expr1,expr2) ( ::boost::detail::test_ne_impl(#expr1, #expr2, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION, expr1, expr2) )
152
153#ifndef BOOST_NO_EXCEPTIONS
154 #define BOOST_TEST_THROWS( EXPR, EXCEP ) \
155 try { \
156 EXPR; \
157 ::boost::detail::throw_failed_impl \
158 (#EXCEP, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION); \
159 } \
160 catch(EXCEP const&) { \
161 } \
162 catch(...) { \
163 ::boost::detail::throw_failed_impl \
164 (#EXCEP, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION); \
165 } \
166 //
167#else
168 #define BOOST_TEST_THROWS( EXPR, EXCEP )
169#endif
170
171#endif // #ifndef BOOST_CORE_LIGHTWEIGHT_TEST_HPP
172

source code of boost/boost/core/lightweight_test.hpp