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1 | // (C) Copyright Gennadiy Rozental 2001-2015. |
2 | // (C) Copyright Beman Dawes 2001. | |
3 | // Distributed under the Boost Software License, Version 1.0. | |
4 | // (See accompanying file LICENSE_1_0.txt or copy at | |
5 | // http://www.boost.org/LICENSE_1_0.txt) | |
6 | ||
7 | ||
8 | // See http://www.boost.org/libs/test for the library home page. | |
9 | // | |
10 | // File : $RCSfile$ | |
11 | // | |
12 | // Version : $Revision$ | |
13 | // | |
14 | // Description : tests an ability of Unit Test Framework to catch all kinds | |
15 | // of test errors in a user code and properly report it. | |
16 | // *************************************************************************** | |
17 | ||
18 | // Boost.Test | |
19 | #define BOOST_TEST_MAIN | |
20 | #include <boost/test/unit_test.hpp> | |
21 | #include <boost/test/tools/output_test_stream.hpp> | |
22 | #include <boost/test/unit_test_log.hpp> | |
23 | #include <boost/test/unit_test_suite.hpp> | |
24 | #include <boost/test/framework.hpp> | |
25 | #include <boost/test/tree/test_unit.hpp> | |
26 | #include <boost/test/unit_test_parameters.hpp> | |
27 | #include <boost/test/output/compiler_log_formatter.hpp> | |
28 | #include <boost/test/results_reporter.hpp> | |
29 | // STL | |
30 | #include <iostream> | |
31 | #include <stdexcept> | |
32 | ||
33 | using namespace boost::unit_test; | |
34 | using namespace boost::test_tools; | |
35 | ||
36 | #if defined(__GNUC__) || defined(__SUNPRO_CC) || defined(__DECCXX_VER) | |
37 | #define LIMITED_TEST | |
38 | #endif | |
39 | ||
40 | namespace { | |
41 | ||
42 | struct this_test_log_formatter : public boost::unit_test::output::compiler_log_formatter | |
43 | { | |
44 | void print_prefix( std::ostream& output, boost::unit_test::const_string, std::size_t line ) | |
45 | { | |
46 | output << line << ": "; | |
47 | } | |
48 | ||
49 | void test_unit_finish( std::ostream& output, test_unit const& tu, unsigned long ) | |
50 | { | |
51 | output << "Leaving test " << tu.p_type_name << " \"" << tu.p_name << "\"" << std::endl; | |
52 | } | |
53 | ||
54 | }; | |
55 | ||
56 | //____________________________________________________________________________// | |
57 | ||
58 | char const* log_level_name[] = { | |
59 | "log_successful_tests", | |
60 | "log_test_suites", | |
61 | "log_messages", | |
62 | "log_warnings", | |
63 | "log_all_errors", | |
64 | "log_cpp_exception_errors", | |
65 | "log_system_errors", | |
66 | "log_fatal_errors", | |
67 | "log_nothing" | |
68 | }; | |
69 | ||
70 | enum error_type_enum { | |
71 | et_begin, | |
72 | et_none = et_begin, | |
73 | et_message, | |
74 | et_warning, | |
75 | et_user, | |
76 | et_cpp_exception, | |
77 | #ifdef LIMITED_TEST | |
78 | et_fatal_user, | |
79 | #else | |
80 | et_system, | |
81 | et_fatal_user, | |
82 | et_fatal_system, | |
83 | #endif | |
84 | et_end | |
85 | } error_type; | |
86 | ||
87 | char const* error_type_name[] = { | |
88 | "no error", "user message", "user warning", | |
89 | "user non-fatal error", "cpp exception", " system error", | |
90 | "user fatal error", "system fatal error" | |
91 | }; | |
92 | ||
93 | int divide_by_zero = 0; | |
94 | ||
95 | void error_on_demand() | |
96 | { | |
97 | switch( error_type ) { | |
98 | case et_none: | |
99 | BOOST_CHECK_MESSAGE( divide_by_zero == 0, "no error" ); | |
100 | break; | |
101 | ||
102 | case et_message: | |
103 | BOOST_TEST_MESSAGE( "message" ); | |
104 | break; | |
105 | ||
106 | case et_warning: | |
107 | BOOST_WARN_MESSAGE( divide_by_zero != 0, "warning" ); | |
108 | break; | |
109 | ||
110 | case et_user: | |
111 | BOOST_ERROR( "non-fatal error" ); | |
112 | break; | |
113 | ||
114 | case et_fatal_user: | |
115 | BOOST_FAIL( "fatal error" ); | |
116 | ||
117 | BOOST_ERROR( "Should never reach this code!" ); | |
118 | break; | |
119 | ||
120 | case et_cpp_exception: | |
121 | BOOST_TEST_CHECKPOINT( "error_on_demand() throw runtime_error" ); | |
122 | throw std::runtime_error( "test std::runtime error what() message" ); | |
123 | ||
124 | #ifndef LIMITED_TEST | |
125 | case et_system: | |
126 | BOOST_TEST_CHECKPOINT( "error_on_demand() divide by zero" ); | |
127 | divide_by_zero = 1 / divide_by_zero; | |
128 | break; | |
129 | ||
130 | case et_fatal_system: | |
131 | BOOST_TEST_CHECKPOINT( "write to an invalid address" ); | |
132 | { | |
133 | int* p = 0; | |
134 | *p = 0; | |
135 | ||
136 | BOOST_ERROR( "Should never reach this code!" ); | |
137 | } | |
138 | break; | |
139 | #endif | |
140 | default: | |
141 | BOOST_ERROR( "Should never reach this code!" ); | |
142 | } | |
143 | return; | |
144 | } | |
145 | ||
146 | } // local namespace | |
147 | ||
148 | //____________________________________________________________________________// | |
149 | ||
150 | BOOST_AUTO_TEST_CASE( test_errors_handling ) | |
151 | { | |
152 | #define PATTERN_FILE_NAME "errors-handling-test.pattern" | |
153 | std::string pattern_file_name( | |
154 | framework::master_test_suite().argc <= 1 | |
155 | ? (runtime_config::save_pattern() ? PATTERN_FILE_NAME : "./baseline-outputs/" PATTERN_FILE_NAME) | |
156 | : framework::master_test_suite().argv[1] ); | |
157 | ||
158 | #ifdef LIMITED_TEST | |
159 | pattern_file_name += "2"; | |
160 | #endif | |
161 | ||
162 | output_test_stream test_output( pattern_file_name, !runtime_config::save_pattern() ); | |
163 | ||
164 | test_case* test = BOOST_TEST_CASE( &error_on_demand ); | |
165 | test->p_default_status.value = test_unit::RS_ENABLED; | |
166 | framework::finalize_setup_phase( test->p_id ); | |
167 | ||
168 | // for each log level | |
169 | for( log_level level = log_successful_tests; | |
170 | level <= log_nothing; | |
171 | level = static_cast<log_level>(level+1) ) | |
172 | { | |
173 | // for each error type | |
174 | for( error_type = et_begin; | |
175 | error_type != et_end; | |
176 | error_type = static_cast<error_type_enum>(error_type+1) ) | |
177 | { | |
178 | test_output << "\n===========================\n" | |
179 | << "log level: " << log_level_name[level] << ';' | |
180 | << " error type: " << error_type_name[error_type] << ";\n" << std::endl; | |
181 | ||
182 | unit_test_log.set_stream( test_output ); | |
183 | unit_test_log.set_threshold_level( level ); | |
184 | unit_test_log.set_formatter( new this_test_log_formatter ); | |
185 | framework::run( test ); | |
186 | ||
187 | unit_test_log.set_stream( std::cout ); | |
b32b8144 | 188 | unit_test_log.set_format( runtime_config::get<output_format>( runtime_config::btrt_log_format ) ); |
7c673cae | 189 | |
b32b8144 | 190 | log_level ll = runtime_config::get<log_level>( runtime_config::btrt_log_level ); |
7c673cae FG |
191 | unit_test_log.set_threshold_level( ll != invalid_log_level? ll : log_all_errors ); |
192 | ||
193 | BOOST_CHECK( test_output.match_pattern() ); | |
194 | } | |
195 | } | |
196 | } | |
197 | ||
198 | //____________________________________________________________________________// | |
199 | ||
200 | // EOF | |
201 |