#ifndef BOOST_CORE_LIGHTWEIGHT_TEST_HPP
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#define BOOST_CORE_LIGHTWEIGHT_TEST_HPP
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// MS compatible compilers support #pragma once
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#if defined(_MSC_VER)
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# pragma once
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#endif
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//
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// boost/core/lightweight_test.hpp - lightweight test library
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//
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// Copyright (c) 2002, 2009, 2014 Peter Dimov
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// Copyright (2) Beman Dawes 2010, 2011
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// Copyright (3) Ion Gaztanaga 2013
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//
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// Copyright 2018 Glen Joseph Fernandes
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// (glenjofe@gmail.com)
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//
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// Distributed under the Boost Software License, Version 1.0.
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// See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt
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//
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#include <boost/current_function.hpp>
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#include <boost/config.hpp>
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#include <exception>
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#include <iostream>
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#include <iterator>
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#include <cstdlib>
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#include <cstring>
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#include <cstddef>
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#if defined(_MSC_VER) && defined(_CPPLIB_VER) && defined(_DEBUG)
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# include <crtdbg.h>
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#endif
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// IDE's like Visual Studio perform better if output goes to std::cout or
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// some other stream, so allow user to configure output stream:
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#ifndef BOOST_LIGHTWEIGHT_TEST_OSTREAM
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# define BOOST_LIGHTWEIGHT_TEST_OSTREAM std::cerr
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#endif
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namespace boost
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{
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namespace detail
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{
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class test_result {
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public:
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test_result()
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: report_(false)
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, errors_(0) {
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#if defined(_MSC_VER) && (_MSC_VER > 1310)
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// disable message boxes on assert(), abort()
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::_set_abort_behavior(0, _WRITE_ABORT_MSG | _CALL_REPORTFAULT);
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#endif
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#if defined(_MSC_VER) && defined(_CPPLIB_VER) && defined(_DEBUG)
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// disable message boxes on iterator debugging violations
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_CrtSetReportMode( _CRT_ASSERT, _CRTDBG_MODE_FILE );
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_CrtSetReportFile( _CRT_ASSERT, _CRTDBG_FILE_STDERR );
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#endif
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}
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~test_result() {
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if (!report_) {
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BOOST_LIGHTWEIGHT_TEST_OSTREAM << "main() should return report_errors()" << std::endl;
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std::abort();
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}
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}
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int& errors() {
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return errors_;
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}
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void done() {
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report_ = true;
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}
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private:
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bool report_;
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int errors_;
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};
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inline test_result& test_results()
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{
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static test_result instance;
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return instance;
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}
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inline int& test_errors()
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{
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return test_results().errors();
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}
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inline bool test_impl(char const * expr, char const * file, int line, char const * function, bool v)
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{
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if( v )
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{
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test_results();
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return true;
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}
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else
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{
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BOOST_LIGHTWEIGHT_TEST_OSTREAM
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<< file << "(" << line << "): test '" << expr << "' failed in function '"
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<< function << "'" << std::endl;
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++test_results().errors();
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return false;
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}
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}
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inline void error_impl(char const * msg, char const * file, int line, char const * function)
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{
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BOOST_LIGHTWEIGHT_TEST_OSTREAM
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<< file << "(" << line << "): " << msg << " in function '"
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<< function << "'" << std::endl;
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++test_results().errors();
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}
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inline void throw_failed_impl(const char* expr, char const * excep, char const * file, int line, char const * function)
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{
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BOOST_LIGHTWEIGHT_TEST_OSTREAM
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<< file << "(" << line << "): expression '" << expr << "' did not throw exception '" << excep << "' in function '"
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<< function << "'" << std::endl;
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++test_results().errors();
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}
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inline void no_throw_failed_impl(const char* expr, const char* file, int line, const char* function)
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{
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BOOST_LIGHTWEIGHT_TEST_OSTREAM
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<< file << "(" << line << "): expression '" << expr << "' threw an exception in function '"
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<< function << "'" << std::endl;
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++test_results().errors();
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}
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inline void no_throw_failed_impl(const char* expr, const char* what, const char* file, int line, const char* function)
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{
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BOOST_LIGHTWEIGHT_TEST_OSTREAM
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<< file << "(" << line << "): expression '" << expr << "' threw an exception in function '"
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<< function << "': " << what << std::endl;
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++test_results().errors();
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}
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// In the comparisons below, it is possible that T and U are signed and unsigned integer types, which generates warnings in some compilers.
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// A cleaner fix would require common_type trait or some meta-programming, which would introduce a dependency on Boost.TypeTraits. To avoid
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// the dependency we just disable the warnings.
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#if defined(__clang__) && defined(__has_warning)
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# if __has_warning("-Wsign-compare")
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# pragma clang diagnostic push
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# pragma clang diagnostic ignored "-Wsign-compare"
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# endif
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#elif defined(_MSC_VER)
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# pragma warning(push)
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# pragma warning(disable: 4389)
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#elif defined(__GNUC__) && !(defined(__INTEL_COMPILER) || defined(__ICL) || defined(__ICC) || defined(__ECC)) && (__GNUC__ * 100 + __GNUC_MINOR__) >= 406
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# pragma GCC diagnostic push
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# pragma GCC diagnostic ignored "-Wsign-compare"
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#endif
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// specialize test output for char pointers to avoid printing as cstring
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template <class T> inline const T& test_output_impl(const T& v) { return v; }
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inline const void* test_output_impl(const char* v) { return v; }
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inline const void* test_output_impl(const unsigned char* v) { return v; }
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inline const void* test_output_impl(const signed char* v) { return v; }
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inline const void* test_output_impl(char* v) { return v; }
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inline const void* test_output_impl(unsigned char* v) { return v; }
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inline const void* test_output_impl(signed char* v) { return v; }
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template<class T> inline const void* test_output_impl(T volatile* v) { return const_cast<T*>(v); }
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#if !defined( BOOST_NO_CXX11_NULLPTR )
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inline const void* test_output_impl(std::nullptr_t) { return nullptr; }
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#endif
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// predicates
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struct lw_test_eq
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{
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template <typename T, typename U>
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bool operator()(const T& t, const U& u) const { return t == u; }
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};
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struct lw_test_ne
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{
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template <typename T, typename U>
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bool operator()(const T& t, const U& u) const { return t != u; }
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};
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struct lw_test_lt
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{
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template <typename T, typename U>
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bool operator()(const T& t, const U& u) const { return t < u; }
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};
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struct lw_test_le
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{
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template <typename T, typename U>
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bool operator()(const T& t, const U& u) const { return t <= u; }
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};
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struct lw_test_gt
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{
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template <typename T, typename U>
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bool operator()(const T& t, const U& u) const { return t > u; }
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};
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struct lw_test_ge
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{
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template <typename T, typename U>
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bool operator()(const T& t, const U& u) const { return t >= u; }
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};
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// lwt_predicate_name
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template<class T> char const * lwt_predicate_name( T const& )
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{
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return "~=";
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}
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inline char const * lwt_predicate_name( lw_test_eq const& )
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{
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return "==";
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}
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inline char const * lwt_predicate_name( lw_test_ne const& )
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{
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return "!=";
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}
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inline char const * lwt_predicate_name( lw_test_lt const& )
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{
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return "<";
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}
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inline char const * lwt_predicate_name( lw_test_le const& )
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{
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return "<=";
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}
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inline char const * lwt_predicate_name( lw_test_gt const& )
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{
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return ">";
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}
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inline char const * lwt_predicate_name( lw_test_ge const& )
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{
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return ">=";
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}
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//
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template<class BinaryPredicate, class T, class U>
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inline bool test_with_impl(BinaryPredicate pred, char const * expr1, char const * expr2,
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char const * file, int line, char const * function,
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T const & t, U const & u)
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{
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if( pred(t, u) )
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{
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test_results();
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return true;
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}
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else
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{
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BOOST_LIGHTWEIGHT_TEST_OSTREAM
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<< file << "(" << line << "): test '" << expr1 << " " << lwt_predicate_name(pred) << " " << expr2
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<< "' ('" << test_output_impl(t) << "' " << lwt_predicate_name(pred) << " '" << test_output_impl(u)
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<< "') failed in function '" << function << "'" << std::endl;
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++test_results().errors();
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return false;
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}
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}
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inline bool test_cstr_eq_impl( char const * expr1, char const * expr2,
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char const * file, int line, char const * function, char const * const t, char const * const u )
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{
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if( std::strcmp(t, u) == 0 )
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{
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test_results();
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return true;
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}
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else
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{
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BOOST_LIGHTWEIGHT_TEST_OSTREAM
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<< file << "(" << line << "): test '" << expr1 << " == " << expr2 << "' ('" << t
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<< "' == '" << u << "') failed in function '" << function << "'" << std::endl;
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++test_results().errors();
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return false;
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}
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}
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inline bool test_cstr_ne_impl( char const * expr1, char const * expr2,
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char const * file, int line, char const * function, char const * const t, char const * const u )
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{
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if( std::strcmp(t, u) != 0 )
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{
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test_results();
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return true;
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}
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else
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{
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BOOST_LIGHTWEIGHT_TEST_OSTREAM
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<< file << "(" << line << "): test '" << expr1 << " != " << expr2 << "' ('" << t
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<< "' != '" << u << "') failed in function '" << function << "'" << std::endl;
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++test_results().errors();
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return false;
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}
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}
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template<class FormattedOutputFunction, class InputIterator1, class InputIterator2>
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bool test_all_eq_impl(FormattedOutputFunction& output,
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char const * file, int line, char const * function,
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InputIterator1 first_begin, InputIterator1 first_end,
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InputIterator2 second_begin, InputIterator2 second_end)
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{
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InputIterator1 first_it = first_begin;
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InputIterator2 second_it = second_begin;
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typename std::iterator_traits<InputIterator1>::difference_type first_index = 0;
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typename std::iterator_traits<InputIterator2>::difference_type second_index = 0;
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std::size_t error_count = 0;
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const std::size_t max_count = 8;
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do
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{
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while ((first_it != first_end) && (second_it != second_end) && (*first_it == *second_it))
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{
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++first_it;
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++second_it;
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++first_index;
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++second_index;
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}
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if ((first_it == first_end) || (second_it == second_end))
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{
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break; // do-while
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}
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if (error_count == 0)
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{
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output << file << "(" << line << "): Container contents differ in function '" << function << "':";
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}
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else if (error_count >= max_count)
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{
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output << " ...";
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break;
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}
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output << " [" << first_index << "] '" << test_output_impl(*first_it) << "' != '" << test_output_impl(*second_it) << "'";
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++first_it;
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++second_it;
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++first_index;
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++second_index;
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++error_count;
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} while (first_it != first_end);
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first_index += std::distance(first_it, first_end);
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second_index += std::distance(second_it, second_end);
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if (first_index != second_index)
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{
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if (error_count == 0)
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{
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output << file << "(" << line << "): Container sizes differ in function '" << function << "': size(" << first_index << ") != size(" << second_index << ")";
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}
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else
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{
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output << " [*] size(" << first_index << ") != size(" << second_index << ")";
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}
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++error_count;
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}
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if (error_count == 0)
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{
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test_results();
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return true;
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}
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else
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{
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output << std::endl;
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++test_results().errors();
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return false;
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}
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}
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template<class FormattedOutputFunction, class InputIterator1, class InputIterator2, typename BinaryPredicate>
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bool test_all_with_impl(FormattedOutputFunction& output,
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char const * file, int line, char const * function,
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InputIterator1 first_begin, InputIterator1 first_end,
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InputIterator2 second_begin, InputIterator2 second_end,
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BinaryPredicate predicate)
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{
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InputIterator1 first_it = first_begin;
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InputIterator2 second_it = second_begin;
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typename std::iterator_traits<InputIterator1>::difference_type first_index = 0;
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typename std::iterator_traits<InputIterator2>::difference_type second_index = 0;
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std::size_t error_count = 0;
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const std::size_t max_count = 8;
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do
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{
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while ((first_it != first_end) && (second_it != second_end) && predicate(*first_it, *second_it))
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{
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++first_it;
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++second_it;
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++first_index;
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++second_index;
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}
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if ((first_it == first_end) || (second_it == second_end))
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{
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break; // do-while
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}
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if (error_count == 0)
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{
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output << file << "(" << line << "): Container contents differ in function '" << function << "':";
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}
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else if (error_count >= max_count)
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{
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output << " ...";
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break;
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}
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output << " [" << first_index << "]";
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++first_it;
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++second_it;
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++first_index;
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++second_index;
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++error_count;
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} while (first_it != first_end);
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first_index += std::distance(first_it, first_end);
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second_index += std::distance(second_it, second_end);
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if (first_index != second_index)
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{
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if (error_count == 0)
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{
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output << file << "(" << line << "): Container sizes differ in function '" << function << "': size(" << first_index << ") != size(" << second_index << ")";
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}
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else
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{
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output << " [*] size(" << first_index << ") != size(" << second_index << ")";
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}
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++error_count;
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}
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if (error_count == 0)
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{
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test_results();
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return true;
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}
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else
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{
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output << std::endl;
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++test_results().errors();
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return false;
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}
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}
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#if defined(__clang__) && defined(__has_warning)
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# if __has_warning("-Wsign-compare")
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# pragma clang diagnostic pop
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# endif
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#elif defined(_MSC_VER)
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# pragma warning(pop)
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#elif defined(__GNUC__) && !(defined(__INTEL_COMPILER) || defined(__ICL) || defined(__ICC) || defined(__ECC)) && (__GNUC__ * 100 + __GNUC_MINOR__) >= 406
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# pragma GCC diagnostic pop
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#endif
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} // namespace detail
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inline int report_errors()
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{
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boost::detail::test_result& result = boost::detail::test_results();
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result.done();
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int errors = result.errors();
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if( errors == 0 )
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{
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BOOST_LIGHTWEIGHT_TEST_OSTREAM
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<< "No errors detected." << std::endl;
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}
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else
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{
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BOOST_LIGHTWEIGHT_TEST_OSTREAM
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<< errors << " error" << (errors == 1? "": "s") << " detected." << std::endl;
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}
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// `return report_errors();` from main only supports 8 bit exit codes
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return errors < 256? errors: 255;
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}
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} // namespace boost
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#define BOOST_TEST(expr) ( ::boost::detail::test_impl(#expr, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION, (expr)? true: false) )
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#define BOOST_TEST_NOT(expr) BOOST_TEST(!(expr))
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#define BOOST_ERROR(msg) ( ::boost::detail::error_impl(msg, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION) )
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#define BOOST_TEST_WITH(expr1,expr2,predicate) ( ::boost::detail::test_with_impl(predicate, #expr1, #expr2, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION, expr1, expr2) )
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#define BOOST_TEST_EQ(expr1,expr2) ( ::boost::detail::test_with_impl(::boost::detail::lw_test_eq(), #expr1, #expr2, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION, expr1, expr2) )
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#define BOOST_TEST_NE(expr1,expr2) ( ::boost::detail::test_with_impl(::boost::detail::lw_test_ne(), #expr1, #expr2, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION, expr1, expr2) )
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#define BOOST_TEST_LT(expr1,expr2) ( ::boost::detail::test_with_impl(::boost::detail::lw_test_lt(), #expr1, #expr2, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION, expr1, expr2) )
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#define BOOST_TEST_LE(expr1,expr2) ( ::boost::detail::test_with_impl(::boost::detail::lw_test_le(), #expr1, #expr2, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION, expr1, expr2) )
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#define BOOST_TEST_GT(expr1,expr2) ( ::boost::detail::test_with_impl(::boost::detail::lw_test_gt(), #expr1, #expr2, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION, expr1, expr2) )
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#define BOOST_TEST_GE(expr1,expr2) ( ::boost::detail::test_with_impl(::boost::detail::lw_test_ge(), #expr1, #expr2, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION, expr1, expr2) )
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#define BOOST_TEST_CSTR_EQ(expr1,expr2) ( ::boost::detail::test_cstr_eq_impl(#expr1, #expr2, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION, expr1, expr2) )
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#define BOOST_TEST_CSTR_NE(expr1,expr2) ( ::boost::detail::test_cstr_ne_impl(#expr1, #expr2, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION, expr1, expr2) )
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#define BOOST_TEST_ALL_EQ(begin1, end1, begin2, end2) ( ::boost::detail::test_all_eq_impl(BOOST_LIGHTWEIGHT_TEST_OSTREAM, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION, begin1, end1, begin2, end2) )
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#define BOOST_TEST_ALL_WITH(begin1, end1, begin2, end2, predicate) ( ::boost::detail::test_all_with_impl(BOOST_LIGHTWEIGHT_TEST_OSTREAM, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION, begin1, end1, begin2, end2, predicate) )
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#ifndef BOOST_NO_EXCEPTIONS
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#define BOOST_TEST_THROWS( EXPR, EXCEP ) \
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try { \
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EXPR; \
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::boost::detail::throw_failed_impl \
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(#EXPR, #EXCEP, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION); \
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} \
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catch(EXCEP const&) { \
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::boost::detail::test_results(); \
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} \
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catch(...) { \
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::boost::detail::throw_failed_impl \
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(#EXPR, #EXCEP, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION); \
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} \
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//
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#else
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#define BOOST_TEST_THROWS( EXPR, EXCEP )
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#endif
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#ifndef BOOST_NO_EXCEPTIONS
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# define BOOST_TEST_NO_THROW(EXPR) \
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try { \
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EXPR; \
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} catch (const std::exception& e) { \
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::boost::detail::no_throw_failed_impl \
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(#EXPR, e.what(), __FILE__, __LINE__, BOOST_CURRENT_FUNCTION); \
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} catch (...) { \
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::boost::detail::no_throw_failed_impl \
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(#EXPR, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION); \
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}
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//
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#else
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# define BOOST_TEST_NO_THROW(EXPR) { EXPR; }
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#endif
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#endif // #ifndef BOOST_CORE_LIGHTWEIGHT_TEST_HPP
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