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Diffstat (limited to 'libcxx/test/std/utilities/expected/expected.void/monadic/transform.pass.cpp')
-rw-r--r--libcxx/test/std/utilities/expected/expected.void/monadic/transform.pass.cpp126
1 files changed, 0 insertions, 126 deletions
diff --git a/libcxx/test/std/utilities/expected/expected.void/monadic/transform.pass.cpp b/libcxx/test/std/utilities/expected/expected.void/monadic/transform.pass.cpp
deleted file mode 100644
index ea90006e3199..000000000000
--- a/libcxx/test/std/utilities/expected/expected.void/monadic/transform.pass.cpp
+++ /dev/null
@@ -1,126 +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 transform_error(F&& f) &;
-// template<class F> constexpr auto transform_error(F&& f) const &;
-// template<class F> constexpr auto transform_error(F&& f) &&;
-// template<class F> constexpr auto transform_error(F&& f) const &&;
-
-#include <expected>
-#include <concepts>
-#include <cassert>
-#include <memory>
-#include <type_traits>
-#include <utility>
-
-template <class E, class F>
-concept has_transform =
- requires(E&& e, F&& f) {
- { std::forward<E>(e).transform(std::forward<F>(f)) };
- };
-
-// [LWG 3877] https://cplusplus.github.io/LWG/issue3877, check constraint failing but not compile error inside the function body.
-static_assert(!has_transform<const std::expected<int, std::unique_ptr<int>>&, int()>);
-static_assert(!has_transform<const std::expected<int, std::unique_ptr<int>>&&, int()>);
-
-constexpr void test_val_types() {
- // Test & overload
- {
- auto l = [] -> int { return 1; };
- std::expected<void, int> v;
- std::same_as<std::expected<int, int>> decltype(auto) val = v.transform(l);
- assert(val == 1);
- }
-
- // Test const& overload
- {
- auto l = [] -> int { return 1; };
- const std::expected<void, int> v;
- std::same_as<std::expected<int, int>> decltype(auto) val = v.transform(l);
- assert(val == 1);
- }
-
- // Test && overload
- {
- auto l = [] -> int { return 1; };
- std::expected<void, int> v;
- std::same_as<std::expected<int, int>> decltype(auto) val = std::move(v).transform(l);
- assert(val == 1);
- }
-
- // Test const&& overload
- {
- auto l = [] -> int { return 1; };
- const std::expected<void, int> v;
- std::same_as<std::expected<int, int>> decltype(auto) val = std::move(v).transform(l);
- assert(val == 1);
- }
-}
-
-constexpr void test_fail() {
- // Test & overload
- {
- auto l = [] -> int {
- assert(false);
- return 0;
- };
- std::expected<void, int> v(std::unexpected<int>(5));
- std::same_as<std::expected<int, int>> decltype(auto) val = v.transform(l);
- assert(val.error() == 5);
- }
-
- // Test const& overload
- {
- auto l = [] -> int {
- assert(false);
- return 0;
- };
- const std::expected<void, int> v(std::unexpected<int>(5));
- std::same_as<std::expected<int, int>> decltype(auto) val = v.transform(l);
- assert(val.error() == 5);
- }
-
- // Test && overload
- {
- auto l = [] -> int {
- assert(false);
- return 0;
- };
- std::expected<void, int> v(std::unexpected<int>(5));
- std::same_as<std::expected<int, int>> decltype(auto) val = std::move(v).transform(l);
- assert(val.error() == 5);
- }
-
- // Test const&& overload
- {
- auto l = [] -> int {
- assert(false);
- return 0;
- };
- const std::expected<void, int> v(std::unexpected<int>(5));
- std::same_as<std::expected<int, int>> decltype(auto) val = std::move(v).transform(l);
- assert(val.error() == 5);
- }
-}
-
-constexpr bool test() {
- test_fail();
- test_val_types();
- return true;
-}
-
-int main(int, char**) {
- test();
- static_assert(test());
-
- return 0;
-}