boost/detail/lightweight_test.hpp
#ifndef BOOST_DETAIL_LIGHTWEIGHT_TEST_HPP_INCLUDED
#define BOOST_DETAIL_LIGHTWEIGHT_TEST_HPP_INCLUDED
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
//
// boost/detail/lightweight_test.hpp - lightweight test library
//
// Copyright (c) 2002, 2009 Peter Dimov
// Copyright (2) Beman Dawes 2010, 2011
// Copyright (3) Ion Gaztanaga 2013
//
// Distributed under the Boost Software License, Version 1.0.
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
//
// ---------------
//
// If expression is false increases the error count
// and outputs a message containing 'expression'
//
// BOOST_TEST(expression)
//
// ---------------
//
// Increases error count and outputs a message containing 'message'
//
// BOOST_ERROR(message)
//
// ---------------
//
// If 'expr1' != 'expr2' increases the error count
// and outputs a message containing both expressions
//
// BOOST_TEST_EQ(expr1, expr2)
//
// ---------------
//
// If 'expr1' == 'expr2' increases the error count
// and outputs a message containing both expressions
//
// BOOST_TEST_NE(expr1, expr2)
//
// ---------------
//
// If BOOST_NO_EXCEPTIONS is NOT defined and if 'expr' does not
// throw an exception of type 'excep', increases the error count
// and outputs a message containing the expression.
//
// If BOOST_NO_EXCEPTIONS is defined, this macro expands to nothing
// and 'expr' is not evaluated.
//
// BOOST_TEST_THROWS(expr, excep)
//
// ---------------
//
// Returns the error count
//
// int boost::report_errors()
//
#include <iostream>
#include <boost/current_function.hpp>
#include <boost/assert.hpp>
#include <boost/detail/no_exceptions_support.hpp>
// IDE's like Visual Studio perform better if output goes to std::cout or
// some other stream, so allow user to configure output stream:
#ifndef BOOST_LIGHTWEIGHT_TEST_OSTREAM
# define BOOST_LIGHTWEIGHT_TEST_OSTREAM std::cerr
#endif
namespace boost
{
namespace detail
{
struct report_errors_reminder
{
bool called_report_errors_function;
report_errors_reminder() : called_report_errors_function(false) {}
~report_errors_reminder()
{
BOOST_ASSERT(called_report_errors_function); // verify report_errors() was called
}
};
inline report_errors_reminder& report_errors_remind()
{
static report_errors_reminder r;
return r;
}
inline int & test_errors()
{
static int x = 0;
report_errors_remind();
return x;
}
inline void test_failed_impl(char const * expr, char const * file, int line, char const * function)
{
BOOST_LIGHTWEIGHT_TEST_OSTREAM
<< file << "(" << line << "): test '" << expr << "' failed in function '"
<< function << "'" << std::endl;
++test_errors();
}
inline void error_impl(char const * msg, char const * file, int line, char const * function)
{
BOOST_LIGHTWEIGHT_TEST_OSTREAM
<< file << "(" << line << "): " << msg << " in function '"
<< function << "'" << std::endl;
++test_errors();
}
inline void throw_failed_impl(char const * excep, char const * file, int line, char const * function)
{
BOOST_LIGHTWEIGHT_TEST_OSTREAM
<< file << "(" << line << "): Exception '" << excep << "' not thrown in function '"
<< function << "'" << std::endl;
++test_errors();
}
template<class T, class U> inline void test_eq_impl( char const * expr1, char const * expr2,
char const * file, int line, char const * function, T const & t, U const & u )
{
if( t == u )
{
}
else
{
BOOST_LIGHTWEIGHT_TEST_OSTREAM
<< file << "(" << line << "): test '" << expr1 << " == " << expr2
<< "' failed in function '" << function << "': "
<< "'" << t << "' != '" << u << "'" << std::endl;
++test_errors();
}
}
template<class T, class U> inline void test_ne_impl( char const * expr1, char const * expr2,
char const * file, int line, char const * function, T const & t, U const & u )
{
if( t != u )
{
}
else
{
BOOST_LIGHTWEIGHT_TEST_OSTREAM
<< file << "(" << line << "): test '" << expr1 << " != " << expr2
<< "' failed in function '" << function << "': "
<< "'" << t << "' == '" << u << "'" << std::endl;
++test_errors();
}
}
} // namespace detail
inline int report_errors()
{
detail::report_errors_remind().called_report_errors_function = true;
int errors = detail::test_errors();
if( errors == 0 )
{
BOOST_LIGHTWEIGHT_TEST_OSTREAM
<< "No errors detected." << std::endl;
return 0;
}
else
{
BOOST_LIGHTWEIGHT_TEST_OSTREAM
<< errors << " error" << (errors == 1? "": "s") << " detected." << std::endl;
return 1;
}
}
} // namespace boost
#define BOOST_TEST(expr) ((expr)? (void)0: ::boost::detail::test_failed_impl(#expr, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION))
#define BOOST_ERROR(msg) ::boost::detail::error_impl(msg, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION)
#define BOOST_TEST_EQ(expr1,expr2) ( ::boost::detail::test_eq_impl(#expr1, #expr2, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION, expr1, expr2) )
#define BOOST_TEST_NE(expr1,expr2) ( ::boost::detail::test_ne_impl(#expr1, #expr2, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION, expr1, expr2) )
#ifndef BOOST_NO_EXCEPTIONS
#define BOOST_TEST_THROWS( EXPR, EXCEP ) \
try { \
EXPR; \
::boost::detail::throw_failed_impl \
(#EXCEP, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION); \
} \
catch(EXCEP const&) { \
} \
catch(...) { \
::boost::detail::throw_failed_impl \
(#EXCEP, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION); \
} \
//
#else
#define BOOST_TEST_THROWS( EXPR, EXCEP )
#endif
#endif // #ifndef BOOST_DETAIL_LIGHTWEIGHT_TEST_HPP_INCLUDED