1 // (C) Copyright Gennadiy Rozental 2001.
2 // Distributed under the Boost Software License, Version 1.0.
3 // (See accompanying file LICENSE_1_0.txt or copy at
4 // http://www.boost.org/LICENSE_1_0.txt)
5
6 // See http://www.boost.org/libs/test for the library home page.
7 //
8 //!@file
9 //!@brief generators and helper macros for parameterized tests
10 // ***************************************************************************
11
12 #ifndef BOOST_TEST_PARAMETERIZED_TEST_HPP_021102GER
13 #define BOOST_TEST_PARAMETERIZED_TEST_HPP_021102GER
14
15 // Boost.Test
16 #include <boost/test/unit_test_suite.hpp>
17 #include <boost/test/utils/string_cast.hpp>
18
19 // Boost
20 #include <boost/type_traits/remove_reference.hpp>
21 #include <boost/type_traits/remove_const.hpp>
22
23 #include <boost/bind/bind.hpp>
24 #include <boost/function/function1.hpp>
25
26 #include <boost/test/detail/suppress_warnings.hpp>
27
28 //____________________________________________________________________________//
29
30 #define BOOST_PARAM_TEST_CASE( function, begin, end ) \
31 boost::unit_test::make_test_case( function, \
32 BOOST_TEST_STRINGIZE( function ), \
33 __FILE__, __LINE__, \
34 (begin), (end) ) \
35 /**/
36
37 #define BOOST_PARAM_CLASS_TEST_CASE( function, tc_instance, begin, end ) \
38 boost::unit_test::make_test_case( function, \
39 BOOST_TEST_STRINGIZE( function ), \
40 __FILE__, __LINE__, \
41 (tc_instance), \
42 (begin), (end) ) \
43 /**/
44
45 namespace boost {
46 namespace unit_test {
47
48 namespace ut_detail {
49
50 // ************************************************************************** //
51 // ************** param_test_case_generator ************** //
52 // ************************************************************************** //
53
54 template<typename ParamType, typename ParamIter>
55 class param_test_case_generator : public test_unit_generator {
56 public:
param_test_case_generator(boost::function<void (ParamType)> const & test_func,const_string tc_name,const_string tc_file,std::size_t tc_line,ParamIter par_begin,ParamIter par_end)57 param_test_case_generator( boost::function<void (ParamType)> const& test_func,
58 const_string tc_name,
59 const_string tc_file,
60 std::size_t tc_line,
61 ParamIter par_begin,
62 ParamIter par_end )
63 : m_test_func( test_func )
64 , m_tc_name( ut_detail::normalize_test_case_name( tc_name ) )
65 , m_tc_file( tc_file )
66 , m_tc_line( tc_line )
67 , m_par_begin( par_begin )
68 , m_par_end( par_end )
69 , m_index( 0 )
70 {}
71
next() const72 virtual test_unit* next() const
73 {
74 if( m_par_begin == m_par_end )
75 return (test_unit*)0;
76
77 test_unit* res = new test_case( m_tc_name + "_" + utils::string_cast(m_index), m_tc_file, m_tc_line, boost::bind( m_test_func, *m_par_begin ) );
78
79 ++m_par_begin;
80 ++m_index;
81
82 return res;
83 }
84
85 private:
86 // Data members
87 boost::function<void (ParamType)> m_test_func;
88 std::string m_tc_name;
89 const_string m_tc_file;
90 std::size_t m_tc_line;
91 mutable ParamIter m_par_begin;
92 ParamIter m_par_end;
93 mutable std::size_t m_index;
94 };
95
96 //____________________________________________________________________________//
97
98 template<typename UserTestCase,typename ParamType>
99 struct user_param_tc_method_invoker {
100 typedef void (UserTestCase::*test_method)( ParamType );
101
102 // Constructor
user_param_tc_method_invokerboost::unit_test::ut_detail::user_param_tc_method_invoker103 user_param_tc_method_invoker( shared_ptr<UserTestCase> inst, test_method test_method )
104 : m_inst( inst ), m_test_method( test_method ) {}
105
operator ()boost::unit_test::ut_detail::user_param_tc_method_invoker106 void operator()( ParamType p ) { ((*m_inst).*m_test_method)( p ); }
107
108 // Data members
109 shared_ptr<UserTestCase> m_inst;
110 test_method m_test_method;
111 };
112
113 //____________________________________________________________________________//
114
115 } // namespace ut_detail
116
117 template<typename ParamType, typename ParamIter>
118 inline ut_detail::param_test_case_generator<ParamType,ParamIter>
make_test_case(boost::function<void (ParamType)> const & test_func,const_string tc_name,const_string tc_file,std::size_t tc_line,ParamIter par_begin,ParamIter par_end)119 make_test_case( boost::function<void (ParamType)> const& test_func,
120 const_string tc_name,
121 const_string tc_file,
122 std::size_t tc_line,
123 ParamIter par_begin,
124 ParamIter par_end )
125 {
126 return ut_detail::param_test_case_generator<ParamType,ParamIter>( test_func, tc_name, tc_file, tc_line, par_begin, par_end );
127 }
128
129 //____________________________________________________________________________//
130
131 template<typename ParamType, typename ParamIter>
132 inline ut_detail::param_test_case_generator<
133 BOOST_DEDUCED_TYPENAME remove_const<BOOST_DEDUCED_TYPENAME remove_reference<ParamType>::type>::type,ParamIter>
make_test_case(void (* test_func)(ParamType),const_string tc_name,const_string tc_file,std::size_t tc_line,ParamIter par_begin,ParamIter par_end)134 make_test_case( void (*test_func)( ParamType ),
135 const_string tc_name,
136 const_string tc_file,
137 std::size_t tc_line,
138 ParamIter par_begin,
139 ParamIter par_end )
140 {
141 typedef BOOST_DEDUCED_TYPENAME remove_const<BOOST_DEDUCED_TYPENAME remove_reference<ParamType>::type>::type param_value_type;
142 return ut_detail::param_test_case_generator<param_value_type,ParamIter>( test_func, tc_name, tc_file, tc_line, par_begin, par_end );
143 }
144
145 //____________________________________________________________________________//
146
147 template<typename UserTestCase,typename ParamType, typename ParamIter>
148 inline ut_detail::param_test_case_generator<
149 BOOST_DEDUCED_TYPENAME remove_const<BOOST_DEDUCED_TYPENAME remove_reference<ParamType>::type>::type,ParamIter>
make_test_case(void (UserTestCase::* test_method)(ParamType),const_string tc_name,const_string tc_file,std::size_t tc_line,boost::shared_ptr<UserTestCase> const & user_test_case,ParamIter par_begin,ParamIter par_end)150 make_test_case( void (UserTestCase::*test_method )( ParamType ),
151 const_string tc_name,
152 const_string tc_file,
153 std::size_t tc_line,
154 boost::shared_ptr<UserTestCase> const& user_test_case,
155 ParamIter par_begin,
156 ParamIter par_end )
157 {
158 typedef BOOST_DEDUCED_TYPENAME remove_const<BOOST_DEDUCED_TYPENAME remove_reference<ParamType>::type>::type param_value_type;
159 return ut_detail::param_test_case_generator<param_value_type,ParamIter>(
160 ut_detail::user_param_tc_method_invoker<UserTestCase,ParamType>( user_test_case, test_method ),
161 tc_name,
162 tc_file,
163 tc_line,
164 par_begin,
165 par_end );
166 }
167
168 //____________________________________________________________________________//
169
170 } // unit_test
171 } // namespace boost
172
173 #include <boost/test/detail/enable_warnings.hpp>
174
175 #endif // BOOST_TEST_PARAMETERIZED_TEST_HPP_021102GER
176
177