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Add test/result_value_construct4.cpp. Refs #104.

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This commit is contained in:
Peter Dimov
2023-01-22 01:15:08 +02:00
parent f0b27c5826
commit 6a58b03eab
3 changed files with 64 additions and 0 deletions
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1
test/CMakeLists.txt
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@ -161,3 +161,4 @@ 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)
boost_test(TYPE run SOURCES result_value_construct4.cpp)

1
test/Jamfile.v2
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@ -191,3 +191,4 @@ run result_value_construct3.cpp : : : $(CPP11) ;
run result_error_construct3.cpp : : : $(CPP11) ;
run result_emplace.cpp : : : $(CPP11) ;
run result_error_construct4.cpp : : : $(CPP11) ;
run result_value_construct4.cpp : : : $(CPP11) ;

62
test/result_value_construct4.cpp Normal file
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@ -0,0 +1,62 @@
// 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;
// Tricky mixed construction cases
// https://github.com/boostorg/system/issues/104
// https://brevzin.github.io//c++/2023/01/18/optional-construction/
int main()
{
{
result<int> r( make_error_code( errc::invalid_argument ) );
result<result<int>> r2( r );
BOOST_TEST( r2.has_value() ) && BOOST_TEST_EQ( r2.value(), r );
}
{
result<int> r( 5 );
result<result<int>> r2( r );
BOOST_TEST( r2.has_value() );
BOOST_TEST( !r2.has_error() );
BOOST_TEST_EQ( r2.value(), r );
}
{
result<int> const r( make_error_code( errc::invalid_argument ) );
result<result<int>> r2( r );
BOOST_TEST( r2.has_value() ) && BOOST_TEST_EQ( r2.value(), r );
}
{
result<int> const r( 5 );
result<result<int>> r2( r );
BOOST_TEST( r2.has_value() ) && BOOST_TEST_EQ( r2.value(), r );
}
{
result<int> r( make_error_code( errc::invalid_argument ) );
result<result<int>> r2( std::move( r ) );
BOOST_TEST( r2.has_value() ) && BOOST_TEST_EQ( r2.value(), r );
}
{
result<int> r( 5 );
result<result<int>> r2( std::move( r ) );
BOOST_TEST( r2.has_value() ) && BOOST_TEST_EQ( r2.value(), r );
}
return boost::report_errors();
}