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Add test/result_error_construct4.cpp. Refs #103.

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Peter Dimov
2023-01-21 19:45:32 +02:00
parent eb3f3a8e41
commit 456b3c2dad
3 changed files with 53 additions and 0 deletions
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3
test/CMakeLists.txt
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@ -154,7 +154,10 @@ boost_test(TYPE run SOURCES result_eq.cpp)
boost_test(TYPE run SOURCES result_range_for.cpp)
boost_test(TYPE run SOURCES result_value_construct2.cpp)
boost_test(TYPE run SOURCES result_error_construct2.cpp)
boost_test(TYPE run SOURCES result_errc_construct.cpp)
boost_test(TYPE run SOURCES result_convert_construct.cpp)
boost_test(TYPE run SOURCES result_typedefs.cpp)
boost_test(TYPE run SOURCES result_value_construct3.cpp)
boost_test(TYPE run SOURCES result_error_construct3.cpp)
boost_test(TYPE run SOURCES result_emplace.cpp)
boost_test(TYPE run SOURCES result_error_construct4.cpp)

1
test/Jamfile.v2
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@ -190,3 +190,4 @@ run result_typedefs.cpp : : : $(CPP11) ;
run result_value_construct3.cpp : : : $(CPP11) ;
run result_error_construct3.cpp : : : $(CPP11) ;
run result_emplace.cpp : : : $(CPP11) ;
run result_error_construct4.cpp : : : $(CPP11) ;

49
test/result_error_construct4.cpp Normal file
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@ -0,0 +1,49 @@
// Copyright 2023 Peter Dimov.
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#include <boost/system/result.hpp>
#include <boost/core/lightweight_test.hpp>
using namespace boost::system;
// Eigen::Matrix4d has an explicit templated constructor
// https://github.com/boostorg/system/issues/103
// https://github.com/boostorg/json/issues/843
struct X
{
X() {}
template<class T> explicit X( T const& ) {}
};
int main()
{
{
auto ec = make_error_code( errc::invalid_argument );
result<X> r = ec;
BOOST_TEST( !r.has_value() );
BOOST_TEST( r.has_error() );
BOOST_TEST_EQ( r.error(), ec );
}
#if defined(BOOST_SYSTEM_HAS_SYSTEM_ERROR)
{
auto ec = make_error_code( std::errc::invalid_argument );
result<X> r = ec;
BOOST_TEST( !r.has_value() );
BOOST_TEST( r.has_error() );
BOOST_TEST_EQ( r.error(), ec );
}
#endif
return boost::report_errors();
}