Function BOOST_AUTO_TEST_CASE

src/test/util_expected_tests.cpp:19–44

BOOST_AUTO_TEST_SUITE(util_expected_tests)

BOOST_AUTO_TEST_CASE(expected_value)
{
    struct Obj {
        int x;
    };
    Expected<Obj, int> e{};
    BOOST_CHECK_EQUAL(e.value().x, 0);

    e = Obj{42};

    BOOST_CHECK(e.has_value());
    BOOST_CHECK(static_cast<bool>(e));
    BOOST_CHECK_EQUAL(e.value().x, 42);
    BOOST_CHECK_EQUAL((*e).x, 42);
    BOOST_CHECK_EQUAL(e->x, 42);

    // modify value
    e.value().x += 1;
    (*e).x += 1;
    e->x += 1;

    const auto& read{e};
    BOOST_CHECK_EQUAL(read.value().x, 45);
    BOOST_CHECK_EQUAL((*read).x, 45);
    BOOST_CHECK_EQUAL(read->x, 45);
}

BOOST_AUTO_TEST_CASE(expected_value_rvalue)
{