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util: Implement Expected::value()&& and Expected::error()&&

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They are currently unused, but implementing them is closer to the
std::expected.
This commit is contained in:
MarcoFalke
2025-12-09 09:26:17 +01:00
parent fac4800959
commit fab9721430
2 changed files with 27 additions and 12 deletions
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21
src/test/util_expected_tests.cpp
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@@ -43,6 +43,13 @@ BOOST_AUTO_TEST_CASE(expected_value)
BOOST_CHECK_EQUAL(read->x, 45);
}
BOOST_AUTO_TEST_CASE(expected_value_rvalue)
{
Expected<std::unique_ptr<int>, int> no_copy{std::make_unique<int>(5)};
const auto moved{std::move(no_copy).value()};
BOOST_CHECK_EQUAL(*moved, 5);
}
BOOST_AUTO_TEST_CASE(expected_value_or)
{
Expected<std::unique_ptr<int>, int> no_copy{std::make_unique<int>(1)};
@@ -81,6 +88,20 @@ BOOST_AUTO_TEST_CASE(expected_error)
BOOST_CHECK_EQUAL(read.error(), "fail1");
}
BOOST_AUTO_TEST_CASE(expected_error_rvalue)
{
{
Expected<int, std::unique_ptr<int>> nocopy_err{Unexpected{std::make_unique<int>(7)}};
const auto moved{std::move(nocopy_err).error()};
BOOST_CHECK_EQUAL(*moved, 7);
}
{
Expected<void, std::unique_ptr<int>> void_nocopy_err{Unexpected{std::make_unique<int>(9)}};
const auto moved{std::move(void_nocopy_err).error()};
BOOST_CHECK_EQUAL(*moved, 9);
}
}
BOOST_AUTO_TEST_CASE(unexpected_error_accessors)
{
Unexpected u{std::make_unique<int>(-1)};