44 lines
1.1 KiB
C++
44 lines
1.1 KiB
C++
/*+
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ARES/HADES/BORG Package -- ./libLSS/tests/test_overload.cpp
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Copyright (C) 2019-2020 Guilhem Lavaux <guilhem.lavaux@iap.fr>
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Additional contributions from:
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Guilhem Lavaux <guilhem.lavaux@iap.fr> (2023)
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+*/
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#define BOOST_TEST_MODULE overload
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#include <boost/test/included/unit_test.hpp>
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#include <boost/test/data/test_case.hpp>
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#include <boost/variant.hpp>
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#include "libLSS/tools/overload.hpp"
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using namespace LibLSS;
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BOOST_AUTO_TEST_CASE(basic) {
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boost::variant<int> a(2);
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{
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int value = boost::apply_visitor([](int b) { return b; }, a);
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BOOST_CHECK_EQUAL(value, 2);
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}
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{
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int value = boost::apply_visitor(overload([](int b) { return b; }), a);
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BOOST_CHECK_EQUAL(value, 2);
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}
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}
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BOOST_AUTO_TEST_CASE(multiple) {
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boost::variant<int, std::string> a(2);
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{
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int value = boost::apply_visitor(
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overload([](int b) { return b; }, [](std::string s) { return -1; }), a);
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BOOST_CHECK_EQUAL(value, 2);
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}
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}
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// ARES TAG: authors_num = 1
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// ARES TAG: name(0) = Guilhem Lavaux
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// ARES TAG: email(0) = guilhem.lavaux@iap.fr
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// ARES TAG: year(0) = 2019-2020
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