1 //
2 // Copyright (c) 2012 Artyom Beilis (Tonkikh)
3 // Copyright (c) 2019-2020 Alexander Grund
4 //
5 // Distributed under the Boost Software License, Version 1.0. (See
6 // accompanying file LICENSE or copy at
7 // http://www.boost.org/LICENSE_1_0.txt)
8 //
9 #ifndef BOOST_NOWIDE_LIB_TEST_H_INCLUDED
10 #define BOOST_NOWIDE_LIB_TEST_H_INCLUDED
11
12 #include <cstdlib>
13 #include <iostream>
14 #include <sstream>
15 #include <stdexcept>
16
17 #if defined(_MSC_VER) && defined(_CPPLIB_VER) && defined(_DEBUG)
18 #include <crtdbg.h>
19 #endif
20
21 namespace boost {
22 namespace nowide {
23 struct test_monitor
24 {
test_monitorboost::nowide::test_monitor25 test_monitor()
26 {
27 #if defined(_MSC_VER) && (_MSC_VER > 1310)
28 // disable message boxes on assert(), abort()
29 ::_set_abort_behavior(0, _WRITE_ABORT_MSG | _CALL_REPORTFAULT);
30 #endif
31 #if defined(_MSC_VER) && defined(_CPPLIB_VER) && defined(_DEBUG)
32 // disable message boxes on iterator debugging violations
33 _CrtSetReportMode(_CRT_ASSERT, _CRTDBG_MODE_FILE);
34 _CrtSetReportFile(_CRT_ASSERT, _CRTDBG_FILE_STDERR);
35 #endif
36 }
37 };
38 } // namespace nowide
39 } // namespace boost
40
test_mon()41 inline boost::nowide::test_monitor& test_mon()
42 {
43 static boost::nowide::test_monitor instance;
44 return instance;
45 }
46
47 /// Function called when a test failed to be able set a breakpoint for debugging
test_failed(const char * expr,const char * file,const int line,const char * function)48 inline void test_failed(const char* expr, const char* file, const int line, const char* function)
49 {
50 std::ostringstream ss;
51 ss << "Error " << expr << " at " << file << ':' << line << " in " << function;
52 throw std::runtime_error(ss.str());
53 }
54
55 template<typename T, typename U>
test_equal_impl(const T & lhs,const U & rhs,const char * file,const int line,const char * function)56 inline void test_equal_impl(const T& lhs, const U& rhs, const char* file, const int line, const char* function)
57 {
58 if(lhs == rhs)
59 return;
60 std::ostringstream ss;
61 ss << "[" << lhs << "!=" << rhs << "]";
62 test_failed(ss.str().c_str(), file, line, function);
63 }
64
65 #ifdef _MSC_VER
66 #define DISABLE_CONST_EXPR_DETECTED __pragma(warning(push)) __pragma(warning(disable : 4127))
67 #define DISABLE_CONST_EXPR_DETECTED_POP __pragma(warning(pop))
68 #else
69 #define DISABLE_CONST_EXPR_DETECTED
70 #define DISABLE_CONST_EXPR_DETECTED_POP
71 #endif
72
73 #define TEST(x) \
74 do \
75 { \
76 test_mon(); \
77 if(x) \
78 break; \
79 test_failed(#x, __FILE__, __LINE__, __FUNCTION__); \
80 DISABLE_CONST_EXPR_DETECTED \
81 } while(0) DISABLE_CONST_EXPR_DETECTED_POP
82 #define TEST_EQ(lhs, rhs) \
83 do \
84 { \
85 test_mon(); \
86 test_equal_impl((lhs), (rhs), __FILE__, __LINE__, __FUNCTION__); \
87 break; \
88 DISABLE_CONST_EXPR_DETECTED \
89 } while(0) DISABLE_CONST_EXPR_DETECTED_POP
90
91 #ifndef BOOST_NOWIDE_TEST_NO_MAIN
92 // Tests should implement this
93 void test_main(int argc, char** argv, char** env);
94
main(int argc,char ** argv,char ** env)95 int main(int argc, char** argv, char** env)
96 {
97 try
98 {
99 test_main(argc, argv, env);
100 } catch(const std::exception& e)
101 {
102 std::cerr << "Failed " << e.what() << std::endl;
103 return 1;
104 }
105 return 0;
106 }
107 #endif
108
109 #endif // #ifndef BOOST_NOWIDE_LIB_TEST_H_INCLUDED
110