ceph/src/boost/libs/core/include/boost/core/lightweight_test.hpp

   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
  33 namespace boost
  34 {
  35
  36 namespace detail
  37 {
  38
  39 struct 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
  51 inline report_errors_reminder& report_errors_remind()
  52 {
  53     static report_errors_reminder r;
  54     return r;
  55 }
  56
  57 inline int & test_errors()
  58 {
  59     static int x = 0;
  60     report_errors_remind();
  61     return x;
  62 }
  63
  64 inline 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
  72 inline 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
  80 inline 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
  88 template<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
 105 template<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
 124 inline 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 #define BOOST_TEST_NOT(expr) BOOST_TEST(!(expr))
 148
 149 #define BOOST_ERROR(msg) ( ::boost::detail::error_impl(msg, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION) )
 150
 151 #define BOOST_TEST_EQ(expr1,expr2) ( ::boost::detail::test_eq_impl(#expr1, #expr2, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION, expr1, expr2) )
 152 #define BOOST_TEST_NE(expr1,expr2) ( ::boost::detail::test_ne_impl(#expr1, #expr2, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION, expr1, expr2) )
 153
 154 #ifndef BOOST_NO_EXCEPTIONS
 155    #define BOOST_TEST_THROWS( EXPR, EXCEP )                    \
 156       try {                                                    \
 157          EXPR;                                                 \
 158          ::boost::detail::throw_failed_impl                    \
 159          (#EXCEP, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION); \
 160       }                                                        \
 161       catch(EXCEP const&) {                                    \
 162       }                                                        \
 163       catch(...) {                                             \
 164          ::boost::detail::throw_failed_impl                    \
 165          (#EXCEP, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION); \
 166       }                                                        \
 167    //
 168 #else
 169    #define BOOST_TEST_THROWS( EXPR, EXCEP )
 170 #endif
 171
 172 #endif // #ifndef BOOST_CORE_LIGHTWEIGHT_TEST_HPP