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Diffstat (limited to 'libcxx/test/std/utilities/expected/expected.void/monadic/or_else.pass.cpp')
-rw-r--r-- | libcxx/test/std/utilities/expected/expected.void/monadic/or_else.pass.cpp | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/libcxx/test/std/utilities/expected/expected.void/monadic/or_else.pass.cpp b/libcxx/test/std/utilities/expected/expected.void/monadic/or_else.pass.cpp deleted file mode 100644 index 13e341c6d20c..000000000000 --- a/libcxx/test/std/utilities/expected/expected.void/monadic/or_else.pass.cpp +++ /dev/null @@ -1,104 +0,0 @@ -//===----------------------------------------------------------------------===// -// -// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. -// See https://llvm.org/LICENSE.txt for license information. -// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception -// -//===----------------------------------------------------------------------===// - -// UNSUPPORTED: c++03, c++11, c++14, c++17, c++20 - -// <expected> - -// template<class F> constexpr auto or_else(F&& f) &; -// template<class F> constexpr auto or_else(F&& f) const &; -// template<class F> constexpr auto or_else(F&& f) &&; -// template<class F> constexpr auto or_else(F&& f) const &&; - -#include <expected> -#include <concepts> -#include <cassert> -#include <type_traits> -#include <utility> - -constexpr void test_val_types() { - // Test & overload - { - auto l = [](auto) -> std::expected<void, long> { return {}; }; - std::expected<void, int> v(std::unexpected<int>(1)); - std::same_as<std::expected<void, long>> decltype(auto) val = v.or_else(l); - assert(val.has_value()); - } - - // Test const& overload - { - auto l = [](auto) -> std::expected<void, long> { return {}; }; - const std::expected<void, int> v(std::unexpected<int>(1)); - std::same_as<std::expected<void, long>> decltype(auto) val = v.or_else(l); - assert(val.has_value()); - } - - // Test && overload - { - auto l = [](auto) -> std::expected<void, long> { return {}; }; - std::expected<void, int> v(std::unexpected<int>(1)); - std::same_as<std::expected<void, long>> decltype(auto) val = std::move(v).or_else(l); - assert(val.has_value()); - } - - // Test const&& overload - { - auto l = [](auto) -> std::expected<void, long> { return {}; }; - const std::expected<void, int> v(std::unexpected<int>(1)); - std::same_as<std::expected<void, long>> decltype(auto) val = std::move(v).or_else(l); - assert(val.has_value()); - } -} - -constexpr void test_fail() { - auto never_called = [](auto) -> std::expected<void, long> { - assert(false); - return std::expected<void, long>(std::unexpected<long>(5)); - }; - - // Test & overload - { - std::expected<void, int> v; - std::same_as<std::expected<void, long>> decltype(auto) val = v.or_else(never_called); - assert(val.has_value()); - } - - // Test const& overload - { - const std::expected<void, int> v; - std::same_as<std::expected<void, long>> decltype(auto) val = v.or_else(never_called); - assert(val.has_value()); - } - - // Test && overload - { - std::expected<void, int> v; - std::same_as<std::expected<void, long>> decltype(auto) val = std::move(v).or_else(never_called); - assert(val.has_value()); - } - - // Test const&& overload - { - const std::expected<void, int> v; - std::same_as<std::expected<void, long>> decltype(auto) val = std::move(v).or_else(never_called); - assert(val.has_value()); - } -} - -constexpr bool test() { - test_fail(); - test_val_types(); - return true; -} - -int main(int, char**) { - test(); - static_assert(test()); - - return 0; -} |