1 // Copyright Paul A. Bristow 2006-7.
2 // Copyright John Maddock 2006-7.
4 // Use, modification and distribution are subject to the
5 // Boost Software License, Version 1.0.
6 // (See accompanying file LICENSE_1_0.txt
7 // or copy at http://www.boost.org/LICENSE_1_0.txt)
9 // Test error handling mechanism produces the expected error messages.
10 // for example Error in function boost::math::test_function<float>(float, float, float): Domain Error evaluating function at 0
12 // Define some custom dummy error handlers that do nothing but throw,
13 // in order to check that they are otherwise undefined.
14 // The user MUST define them before they can be used.
16 struct user_defined_error{};
18 namespace boost{ namespace math{ namespace policies{
21 T user_domain_error(const char* , const char* , const T& )
23 throw user_defined_error();
27 T user_pole_error(const char* , const char* , const T& )
29 throw user_defined_error();
33 T user_overflow_error(const char* , const char* , const T& )
35 throw user_defined_error();
39 T user_underflow_error(const char* , const char* , const T& )
41 throw user_defined_error();
45 T user_denorm_error(const char* , const char* , const T& )
47 throw user_defined_error();
51 T user_evaluation_error(const char* , const char* , const T& )
53 throw user_defined_error();
57 T user_indeterminate_result_error(const char* , const char* , const T& )
59 throw user_defined_error();
64 #include <boost/math/concepts/real_concept.hpp>
65 #include <boost/math/policies/policy.hpp>
66 #include <boost/math/policies/error_handling.hpp>
67 #define BOOST_TEST_MAIN
68 #include <boost/test/unit_test.hpp> // for test_main
69 #include <cerrno> // for errno
73 // Define some policies:
75 using namespace boost::math::policies;
77 domain_error<throw_on_error>,
78 pole_error<throw_on_error>,
79 overflow_error<throw_on_error>,
80 underflow_error<throw_on_error>,
81 denorm_error<throw_on_error>,
82 evaluation_error<throw_on_error>,
83 indeterminate_result_error<throw_on_error> > throw_policy;
85 domain_error<errno_on_error>,
86 pole_error<errno_on_error>,
87 overflow_error<errno_on_error>,
88 underflow_error<errno_on_error>,
89 denorm_error<errno_on_error>,
90 evaluation_error<errno_on_error>,
91 indeterminate_result_error<errno_on_error> > errno_policy;
93 domain_error<ignore_error>,
94 pole_error<ignore_error>,
95 overflow_error<ignore_error>,
96 underflow_error<ignore_error>,
97 denorm_error<ignore_error>,
98 evaluation_error<ignore_error>,
99 indeterminate_result_error<ignore_error> > ignore_policy;
101 domain_error<user_error>,
102 pole_error<user_error>,
103 overflow_error<user_error>,
104 underflow_error<user_error>,
105 denorm_error<user_error>,
106 evaluation_error<user_error>,
107 indeterminate_result_error<user_error> > user_policy;
108 policy<> default_policy;
110 #define TEST_EXCEPTION(expression, exception)\
111 BOOST_CHECK_THROW(expression, exception);\
112 try{ expression; }catch(const exception& e){ std::cout << e.what() << std::endl; }
117 const char* func = "boost::math::test_function<%1%>(%1%, %1%, %1%)";
118 const char* msg1 = "Error while handling value %1%";
119 const char* msg2 = "Error message goes here...";
121 // Check that exception is thrown, catch and show the message, for example:
122 // Error in function boost::math::test_function<float>(float, float, float): Error while handling value 0
124 TEST_EXCEPTION(boost::math::policies::raise_domain_error(func, msg1, T(0.0), throw_policy), std::domain_error);
125 TEST_EXCEPTION(boost::math::policies::raise_domain_error(func, 0, T(0.0), throw_policy), std::domain_error);
126 TEST_EXCEPTION(boost::math::policies::raise_pole_error(func, msg1, T(0.0), throw_policy), std::domain_error);
127 TEST_EXCEPTION(boost::math::policies::raise_pole_error(func, 0, T(0.0), throw_policy), std::domain_error);
128 TEST_EXCEPTION(boost::math::policies::raise_overflow_error<T>(func, msg2, throw_policy), std::overflow_error);
129 TEST_EXCEPTION(boost::math::policies::raise_overflow_error<T>(func, 0, throw_policy), std::overflow_error);
130 TEST_EXCEPTION(boost::math::policies::raise_underflow_error<T>(func, msg2, throw_policy), std::underflow_error);
131 TEST_EXCEPTION(boost::math::policies::raise_underflow_error<T>(func, 0, throw_policy), std::underflow_error);
132 TEST_EXCEPTION(boost::math::policies::raise_denorm_error<T>(func, msg2, T(0), throw_policy), std::underflow_error);
133 TEST_EXCEPTION(boost::math::policies::raise_denorm_error<T>(func, 0, T(0), throw_policy), std::underflow_error);
134 TEST_EXCEPTION(boost::math::policies::raise_evaluation_error(func, msg1, T(1.25), throw_policy), boost::math::evaluation_error);
135 TEST_EXCEPTION(boost::math::policies::raise_evaluation_error(func, 0, T(1.25), throw_policy), boost::math::evaluation_error);
136 TEST_EXCEPTION(boost::math::policies::raise_indeterminate_result_error(func, msg1, T(1.25), T(12.34), throw_policy), std::domain_error);
137 TEST_EXCEPTION(boost::math::policies::raise_indeterminate_result_error(func, 0, T(1.25), T(12.34), throw_policy), std::domain_error);
139 // Now try user error handlers: these should all throw user_error():
140 // - because by design these are undefined and must be defined by the user ;-)
141 BOOST_CHECK_THROW(boost::math::policies::raise_domain_error(func, msg1, T(0.0), user_policy), user_defined_error);
142 BOOST_CHECK_THROW(boost::math::policies::raise_pole_error(func, msg1, T(0.0), user_policy), user_defined_error);
143 BOOST_CHECK_THROW(boost::math::policies::raise_overflow_error<T>(func, msg2, user_policy), user_defined_error);
144 BOOST_CHECK_THROW(boost::math::policies::raise_underflow_error<T>(func, msg2, user_policy), user_defined_error);
145 BOOST_CHECK_THROW(boost::math::policies::raise_denorm_error<T>(func, msg2, T(0), user_policy), user_defined_error);
146 BOOST_CHECK_THROW(boost::math::policies::raise_evaluation_error(func, msg1, T(0.0), user_policy), user_defined_error);
147 BOOST_CHECK_THROW(boost::math::policies::raise_indeterminate_result_error(func, msg1, T(0.0), T(0.0), user_policy), user_defined_error);
149 // Test with ignore_error
150 BOOST_CHECK((boost::math::isnan)(boost::math::policies::raise_domain_error(func, msg1, T(0.0), ignore_policy)) || !std::numeric_limits<T>::has_quiet_NaN);
151 BOOST_CHECK((boost::math::isnan)(boost::math::policies::raise_pole_error(func, msg1, T(0.0), ignore_policy)) || !std::numeric_limits<T>::has_quiet_NaN);
152 BOOST_CHECK_EQUAL(boost::math::policies::raise_overflow_error<T>(func, msg2, ignore_policy), std::numeric_limits<T>::has_infinity ? std::numeric_limits<T>::infinity() : boost::math::tools::max_value<T>());
153 BOOST_CHECK_EQUAL(boost::math::policies::raise_underflow_error<T>(func, msg2, ignore_policy), T(0));
154 BOOST_CHECK_EQUAL(boost::math::policies::raise_denorm_error<T>(func, msg2, T(1.25), ignore_policy), T(1.25));
155 BOOST_CHECK_EQUAL(boost::math::policies::raise_evaluation_error(func, msg1, T(1.25), ignore_policy), T(1.25));
156 BOOST_CHECK_EQUAL(boost::math::policies::raise_indeterminate_result_error(func, 0, T(0.0), T(12.34), ignore_policy), T(12.34));
158 // Test with errno_on_error
160 BOOST_CHECK((boost::math::isnan)(boost::math::policies::raise_domain_error(func, msg1, T(0.0), errno_policy)) || !std::numeric_limits<T>::has_quiet_NaN);
161 BOOST_CHECK(errno == EDOM);
163 BOOST_CHECK((boost::math::isnan)(boost::math::policies::raise_pole_error(func, msg1, T(0.0), errno_policy)) || !std::numeric_limits<T>::has_quiet_NaN);
164 BOOST_CHECK(errno == EDOM);
166 BOOST_CHECK_EQUAL(boost::math::policies::raise_overflow_error<T>(func, msg2, errno_policy), std::numeric_limits<T>::has_infinity ? std::numeric_limits<T>::infinity() : boost::math::tools::max_value<T>());
167 BOOST_CHECK_EQUAL(errno, ERANGE);
169 BOOST_CHECK_EQUAL(boost::math::policies::raise_underflow_error<T>(func, msg2, errno_policy), T(0));
170 BOOST_CHECK_EQUAL(errno, ERANGE);
172 BOOST_CHECK_EQUAL(boost::math::policies::raise_denorm_error<T>(func, msg2, T(1.25), errno_policy), T(1.25));
173 BOOST_CHECK_EQUAL(errno, ERANGE);
175 BOOST_CHECK_EQUAL(boost::math::policies::raise_evaluation_error(func, msg1, T(1.25), errno_policy), T(1.25));
176 BOOST_CHECK(errno == EDOM);
178 BOOST_CHECK(boost::math::policies::raise_indeterminate_result_error(func, 0, T(0.0), T(12.34), errno_policy) == T(12.34));
179 BOOST_CHECK_EQUAL(errno, EDOM);
182 BOOST_AUTO_TEST_CASE( test_main )
184 // Test error handling.
185 // (Parameter value, arbitrarily zero, only communicates the floating point type FPT).
186 test_error(0.0F); // Test float.
187 test_error(0.0); // Test double.
188 test_error(0.0L); // Test long double.
189 test_error(boost::math::concepts::real_concept(0.0L)); // Test concepts.
190 } // BOOST_AUTO_TEST_CASE( test_main )
194 Autorun "i:\boost-06-05-03-1300\libs\math\test\Math_test\debug\test_error_handling.exe"
195 Running 1 test case...
196 Error in function boost::math::test_function<float>(float, float, float): Error while handling value 0
197 Error in function boost::math::test_function<float>(float, float, float): Domain Error evaluating function at 0
198 Error in function boost::math::test_function<float>(float, float, float): Error while handling value 0
199 Error in function boost::math::test_function<float>(float, float, float): Evaluation of function at pole 0
200 Error in function boost::math::test_function<float>(float, float, float): Error message goes here...
201 Error in function boost::math::test_function<float>(float, float, float): Overflow Error
202 Error in function boost::math::test_function<float>(float, float, float): Error message goes here...
203 Error in function boost::math::test_function<float>(float, float, float): Underflow Error
204 Error in function boost::math::test_function<float>(float, float, float): Error message goes here...
205 Error in function boost::math::test_function<float>(float, float, float): Denorm Error
206 Error in function boost::math::test_function<float>(float, float, float): Error while handling value 1.25
207 Error in function boost::math::test_function<float>(float, float, float): Internal Evaluation Error, best value so far was 1.25
208 Error in function boost::math::test_function<double>(double, double, double): Error while handling value 0
209 Error in function boost::math::test_function<double>(double, double, double): Domain Error evaluating function at 0
210 Error in function boost::math::test_function<double>(double, double, double): Error while handling value 0
211 Error in function boost::math::test_function<double>(double, double, double): Evaluation of function at pole 0
212 Error in function boost::math::test_function<double>(double, double, double): Error message goes here...
213 Error in function boost::math::test_function<double>(double, double, double): Overflow Error
214 Error in function boost::math::test_function<double>(double, double, double): Error message goes here...
215 Error in function boost::math::test_function<double>(double, double, double): Underflow Error
216 Error in function boost::math::test_function<double>(double, double, double): Error message goes here...
217 Error in function boost::math::test_function<double>(double, double, double): Denorm Error
218 Error in function boost::math::test_function<double>(double, double, double): Error while handling value 1.25
219 Error in function boost::math::test_function<double>(double, double, double): Internal Evaluation Error, best value so far was 1.25
220 Error in function boost::math::test_function<long double>(long double, long double, long double): Error while handling value 0
221 Error in function boost::math::test_function<long double>(long double, long double, long double): Domain Error evaluating function at 0
222 Error in function boost::math::test_function<long double>(long double, long double, long double): Error while handling value 0
223 Error in function boost::math::test_function<long double>(long double, long double, long double): Evaluation of function at pole 0
224 Error in function boost::math::test_function<long double>(long double, long double, long double): Error message goes here...
225 Error in function boost::math::test_function<long double>(long double, long double, long double): Overflow Error
226 Error in function boost::math::test_function<long double>(long double, long double, long double): Error message goes here...
227 Error in function boost::math::test_function<long double>(long double, long double, long double): Underflow Error
228 Error in function boost::math::test_function<long double>(long double, long double, long double): Error message goes here...
229 Error in function boost::math::test_function<long double>(long double, long double, long double): Denorm Error
230 Error in function boost::math::test_function<long double>(long double, long double, long double): Error while handling value 1.25
231 Error in function boost::math::test_function<long double>(long double, long double, long double): Internal Evaluation Error, best value so far was 1.25
232 Error in function boost::math::test_function<class boost::math::concepts::real_concept>(class boost::math::concepts::real_concept, class boost::math::concepts::real_concept, class boost::math::concepts::real_concept): Error while handling value 0
233 Error in function boost::math::test_function<class boost::math::concepts::real_concept>(class boost::math::concepts::real_concept, class boost::math::concepts::real_concept, class boost::math::concepts::real_concept): Domain Error evaluating function at 0
234 Error in function boost::math::test_function<class boost::math::concepts::real_concept>(class boost::math::concepts::real_concept, class boost::math::concepts::real_concept, class boost::math::concepts::real_concept): Error while handling value 0
235 Error in function boost::math::test_function<class boost::math::concepts::real_concept>(class boost::math::concepts::real_concept, class boost::math::concepts::real_concept, class boost::math::concepts::real_concept): Evaluation of function at pole 0
236 Error in function boost::math::test_function<class boost::math::concepts::real_concept>(class boost::math::concepts::real_concept, class boost::math::concepts::real_concept, class boost::math::concepts::real_concept): Error message goes here...
237 Error in function boost::math::test_function<class boost::math::concepts::real_concept>(class boost::math::concepts::real_concept, class boost::math::concepts::real_concept, class boost::math::concepts::real_concept): Overflow Error
238 Error in function boost::math::test_function<class boost::math::concepts::real_concept>(class boost::math::concepts::real_concept, class boost::math::concepts::real_concept, class boost::math::concepts::real_concept): Error message goes here...
239 Error in function boost::math::test_function<class boost::math::concepts::real_concept>(class boost::math::concepts::real_concept, class boost::math::concepts::real_concept, class boost::math::concepts::real_concept): Underflow Error
240 Error in function boost::math::test_function<class boost::math::concepts::real_concept>(class boost::math::concepts::real_concept, class boost::math::concepts::real_concept, class boost::math::concepts::real_concept): Error message goes here...
241 Error in function boost::math::test_function<class boost::math::concepts::real_concept>(class boost::math::concepts::real_concept, class boost::math::concepts::real_concept, class boost::math::concepts::real_concept): Denorm Error
242 Error in function boost::math::test_function<class boost::math::concepts::real_concept>(class boost::math::concepts::real_concept, class boost::math::concepts::real_concept, class boost::math::concepts::real_concept): Error while handling value 1.25
243 Error in function boost::math::test_function<class boost::math::concepts::real_concept>(class boost::math::concepts::real_concept, class boost::math::concepts::real_concept, class boost::math::concepts::real_concept): Internal Evaluation Error, best value so far was 1.25
244 *** No errors detected
247 ------ Rebuild All started: Project: test_error_handling, Configuration: Release Win32 ------
248 test_error_handling.cpp
250 Finished generating code
251 test_error_handling.vcxproj -> J:\Cpp\MathToolkit\test\Math_test\Release\test_error_handling.exe
252 Running 1 test case...
253 Error in function boost::math::test_function<float>(float, float, float): Error while handling value 0
254 Error in function boost::math::test_function<float>(float, float, float): Domain Error evaluating function at 0
255 Error in function boost::math::test_function<float>(float, float, float): Error while handling value 0
256 Error in function boost::math::test_function<float>(float, float, float): Evaluation of function at pole 0
257 Error in function boost::math::test_function<float>(float, float, float): Error message goes here...
258 Error in function boost::math::test_function<float>(float, float, float): Overflow Error
259 Error in function boost::math::test_function<float>(float, float, float): Error message goes here...
260 Error in function boost::math::test_function<float>(float, float, float): Underflow Error
261 Error in function boost::math::test_function<float>(float, float, float): Error message goes here...
262 Error in function boost::math::test_function<float>(float, float, float): Denorm Error
263 Error in function boost::math::test_function<float>(float, float, float): Error while handling value 1.25
264 Error in function boost::math::test_function<float>(float, float, float): Internal Evaluation Error, best value so far was 1.25
265 Error in function boost::math::test_function<float>(float, float, float): Error while handling value 1.25
266 Error in function boost::math::test_function<float>(float, float, float): Indeterminate result with value 1.25
267 Error in function boost::math::test_function<double>(double, double, double): Error while handling value 0
268 Error in function boost::math::test_function<double>(double, double, double): Domain Error evaluating function at 0
269 Error in function boost::math::test_function<double>(double, double, double): Error while handling value 0
270 Error in function boost::math::test_function<double>(double, double, double): Evaluation of function at pole 0
271 Error in function boost::math::test_function<double>(double, double, double): Error message goes here...
272 Error in function boost::math::test_function<double>(double, double, double): Overflow Error
273 Error in function boost::math::test_function<double>(double, double, double): Error message goes here...
274 Error in function boost::math::test_function<double>(double, double, double): Underflow Error
275 Error in function boost::math::test_function<double>(double, double, double): Error message goes here...
276 Error in function boost::math::test_function<double>(double, double, double): Denorm Error
277 Error in function boost::math::test_function<double>(double, double, double): Error while handling value 1.25
278 Error in function boost::math::test_function<double>(double, double, double): Internal Evaluation Error, best value so far was 1.25
279 Error in function boost::math::test_function<double>(double, double, double): Error while handling value 1.25
280 Error in function boost::math::test_function<double>(double, double, double): Indeterminate result with value 1.25
281 Error in function boost::math::test_function<long double>(long double, long double, long double): Error while handling value 0
282 Error in function boost::math::test_function<long double>(long double, long double, long double): Domain Error evaluating function at 0
283 Error in function boost::math::test_function<long double>(long double, long double, long double): Error while handling value 0
284 Error in function boost::math::test_function<long double>(long double, long double, long double): Evaluation of function at pole 0
285 Error in function boost::math::test_function<long double>(long double, long double, long double): Error message goes here...
286 Error in function boost::math::test_function<long double>(long double, long double, long double): Overflow Error
287 Error in function boost::math::test_function<long double>(long double, long double, long double): Error message goes here...
288 Error in function boost::math::test_function<long double>(long double, long double, long double): Underflow Error
289 Error in function boost::math::test_function<long double>(long double, long double, long double): Error message goes here...
290 Error in function boost::math::test_function<long double>(long double, long double, long double): Denorm Error
291 Error in function boost::math::test_function<long double>(long double, long double, long double): Error while handling value 1.25
292 Error in function boost::math::test_function<long double>(long double, long double, long double): Internal Evaluation Error, best value so far was 1.25
293 Error in function boost::math::test_function<long double>(long double, long double, long double): Error while handling value 1.25
294 Error in function boost::math::test_function<long double>(long double, long double, long double): Indeterminate result with value 1.25
295 Error in function boost::math::test_function<class boost::math::concepts::real_concept>(class boost::math::concepts::real_concept, class boost::math::concepts::real_concept, class boost::math::concepts::real_concept): Error while handling value 0
296 Error in function boost::math::test_function<class boost::math::concepts::real_concept>(class boost::math::concepts::real_concept, class boost::math::concepts::real_concept, class boost::math::concepts::real_concept): Domain Error evaluating function at 0
297 Error in function boost::math::test_function<class boost::math::concepts::real_concept>(class boost::math::concepts::real_concept, class boost::math::concepts::real_concept, class boost::math::concepts::real_concept): Error while handling value 0
298 Error in function boost::math::test_function<class boost::math::concepts::real_concept>(class boost::math::concepts::real_concept, class boost::math::concepts::real_concept, class boost::math::concepts::real_concept): Evaluation of function at pole 0
299 Error in function boost::math::test_function<class boost::math::concepts::real_concept>(class boost::math::concepts::real_concept, class boost::math::concepts::real_concept, class boost::math::concepts::real_concept): Error message goes here...
300 Error in function boost::math::test_function<class boost::math::concepts::real_concept>(class boost::math::concepts::real_concept, class boost::math::concepts::real_concept, class boost::math::concepts::real_concept): Overflow Error
301 Error in function boost::math::test_function<class boost::math::concepts::real_concept>(class boost::math::concepts::real_concept, class boost::math::concepts::real_concept, class boost::math::concepts::real_concept): Error message goes here...
302 Error in function boost::math::test_function<class boost::math::concepts::real_concept>(class boost::math::concepts::real_concept, class boost::math::concepts::real_concept, class boost::math::concepts::real_concept): Underflow Error
303 Error in function boost::math::test_function<class boost::math::concepts::real_concept>(class boost::math::concepts::real_concept, class boost::math::concepts::real_concept, class boost::math::concepts::real_concept): Error message goes here...
304 Error in function boost::math::test_function<class boost::math::concepts::real_concept>(class boost::math::concepts::real_concept, class boost::math::concepts::real_concept, class boost::math::concepts::real_concept): Denorm Error
305 Error in function boost::math::test_function<class boost::math::concepts::real_concept>(class boost::math::concepts::real_concept, class boost::math::concepts::real_concept, class boost::math::concepts::real_concept): Error while handling value 1.25
306 Error in function boost::math::test_function<class boost::math::concepts::real_concept>(class boost::math::concepts::real_concept, class boost::math::concepts::real_concept, class boost::math::concepts::real_concept): Internal Evaluation Error, best value so far was 1.25
307 Error in function boost::math::test_function<class boost::math::concepts::real_concept>(class boost::math::concepts::real_concept, class boost::math::concepts::real_concept, class boost::math::concepts::real_concept): Error while handling value 1.25
309 *** No errors detected
310 Error in function boost::math::test_function<class boost::math::concepts::real_concept>(class boost::math::concepts::real_concept, class boost::math::concepts::real_concept, class boost::math::concepts::real_concept): Indeterminate result with value 1.25
311 ========== Rebuild All: 1 succeeded, 0 failed, 0 skipped ==========