forked from boostorg/system
109 lines
2.4 KiB
C++
109 lines
2.4 KiB
C++
// Copyright 2023 Klemens Morgenstern
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// Distributed under the Boost Software License, Version 1.0.
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// https://www.boost.org/LICENSE_1_0.txt
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#include <boost/system/result.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include <boost/core/lightweight_test_trait.hpp>
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#include <string>
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using namespace boost::system;
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struct XM
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{
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int v_;
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explicit XM( int v = 0 ): v_( v ) {}
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XM( XM const& ) = delete;
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XM& operator=( XM const& ) = delete;
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XM( XM && ) = default;
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XM& operator=( XM && ) = default;
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};
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int main()
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{
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{
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result<std::string, XM> r( 1 );
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BOOST_TEST( !r.has_value() );
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BOOST_TEST( r.has_error() );
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BOOST_TEST_EQ( std::move( r ).error().v_, 1 );
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}
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{
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BOOST_TEST(( !result<std::string, XM>( 1 ).has_value() ));
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BOOST_TEST(( result<std::string, XM>( 1 ).has_error() ));
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BOOST_TEST_EQ( (result<std::string, XM>( 1 ).error().v_), 1 );
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}
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{
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result<std::string, XM> r( "s" );
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BOOST_TEST( r.has_value() );
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BOOST_TEST( !r.has_error() );
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BOOST_TEST_EQ( std::move( r ).error().v_, 0 );
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}
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{
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result<std::string, XM> r( "s" );
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BOOST_TEST( r.has_value() );
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BOOST_TEST( !r.has_error() );
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BOOST_TEST_EQ( std::move( r ).error().v_, 0 );
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}
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{
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BOOST_TEST(( result<std::string, XM>( "s" ).has_value() ));
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BOOST_TEST(( !result<std::string, XM>( "s" ).has_error() ));
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BOOST_TEST_EQ( (result<std::string, XM>( "s" ).error().v_), 0 );
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}
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{
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result<void, XM> r( 1 );
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BOOST_TEST( !r.has_value() );
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BOOST_TEST( r.has_error() );
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BOOST_TEST_EQ( std::move( r ).error().v_, 1 );
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}
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{
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BOOST_TEST(( !result<void, XM>( 1 ).has_value() ));
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BOOST_TEST(( result<void, XM>( 1 ).has_error() ));
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BOOST_TEST_EQ( (result<void, XM>( 1 ).error().v_), 1 );
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}
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{
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result<void, XM> r;
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BOOST_TEST( r.has_value() );
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BOOST_TEST( !r.has_error() );
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BOOST_TEST_EQ( std::move( r ).error().v_, 0 );
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}
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{
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result<void, XM> r;
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BOOST_TEST( r.has_value() );
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BOOST_TEST( !r.has_error() );
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BOOST_TEST_EQ( std::move( r ).error().v_, 0 );
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}
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{
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BOOST_TEST(( result<void, XM>( ).has_value() ));
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BOOST_TEST(( !result<void, XM>( ).has_error() ));
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BOOST_TEST_EQ( (result<void, XM>( ).error().v_), 0 );
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}
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return boost::report_errors();
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}
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