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Diffstat (limited to 'libcxx/test/libcxx/utilities/expected/expected.void/or_else.mandates.verify.cpp')
-rw-r--r-- | libcxx/test/libcxx/utilities/expected/expected.void/or_else.mandates.verify.cpp | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/libcxx/test/libcxx/utilities/expected/expected.void/or_else.mandates.verify.cpp b/libcxx/test/libcxx/utilities/expected/expected.void/or_else.mandates.verify.cpp deleted file mode 100644 index 9ebf6f586de2..000000000000 --- a/libcxx/test/libcxx/utilities/expected/expected.void/or_else.mandates.verify.cpp +++ /dev/null @@ -1,121 +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 - -// Test the mandates -// template<class F> constexpr auto or_else(F&& f) &; -// Mandates: -// Let G be std::remove_cvref_t<std::invoke_result<F, decltype(error())>> -// G is a specialization of std::expected and std::is_same_v<G:value_type, T> is true - -// template<class F> constexpr auto or_else(F&& f) const &; -// Mandates: -// Let G be std::remove_cvref_t<std::invoke_result<F, decltype(error())>> -// G is a specialization of std::expected and std::is_same_v<G:value_type, T> is true - -// template<class F> constexpr auto or_else(F&& f) &&; -// Mandates: -// Let G be std::remove_cvref_t<std::invoke_result<F, decltype(error())>> -// G is a specialization of std::expected and std::is_same_v<G:value_type, T> is true - -// template<class F> constexpr auto or_else(F&& f) const &&; -// Mandates: -// Let G be std::remove_cvref_t<std::invoke_result<F, decltype(error())>> -// G is a specialization of std::expected and std::is_same_v<G:value_type, T> is true - -#include <expected> -#include <utility> - -struct NotSameAsInt {}; - -int lval_return_not_std_expected(int&) { return 0; } -int clval_return_not_std_expected(const int&) { return 0; } -int rval_return_not_std_expected(int&&) { return 0; } -int crval_return_not_std_expected(const int&&) { return 0; } - -std::expected<NotSameAsInt, int> lval_error_type_not_same_as_int(int&) { return {}; } -std::expected<NotSameAsInt, int> clval_error_type_not_same_as_int(const int&) { return {}; } -std::expected<NotSameAsInt, int> rval_error_type_not_same_as_int(int&&) { return {}; } -std::expected<NotSameAsInt, int> crval_error_type_not_same_as_int(const int&&) { return {}; } - -// clang-format off -void test() { - // Test & overload - { - // G is not a specialization of std::expected - { - std::expected<void, int> f1(std::unexpected<int>(1)); - f1.or_else(lval_return_not_std_expected); // expected-note{{in instantiation of function template specialization 'std::expected<void, int>::or_else<int (&)(int &)>' requested here}} - // expected-error-re@*:* {{{{(static_assert|static assertion)}} failed {{.*}}The result of f(error()) must be a specialization of std::expected}} - // expected-error-re@*:* {{{{.*}}cannot be used prior to '::' because it has no members}} - } - - // !std::is_same_v<G:value_type, T> - { - std::expected<void, int> f1(std::unexpected<int>(1)); - f1.or_else(lval_error_type_not_same_as_int); // expected-note{{in instantiation of function template specialization 'std::expected<void, int>::or_else<std::expected<NotSameAsInt, int> (&)(int &)>' requested here}} - // expected-error-re@*:* {{{{(static_assert|static assertion)}} failed {{.*}}The result of f(error()) must have the same value_type as this expected}} - } - } - - // Test const& overload - { - // G is not a specialization of std::expected - { - const std::expected<void, int> f1(std::unexpected<int>(1)); - f1.or_else(clval_return_not_std_expected); // expected-note{{in instantiation of function template specialization 'std::expected<void, int>::or_else<int (&)(const int &)>' requested here}} - // expected-error-re@*:* {{{{(static_assert|static assertion)}} failed {{.*}}The result of f(error()) must be a specialization of std::expected}} - // expected-error-re@*:* {{{{.*}}cannot be used prior to '::' because it has no members}} - } - - // !std::is_same_v<G:value_type, T> - { - const std::expected<void, int> f1(std::unexpected<int>(1)); - f1.or_else(clval_error_type_not_same_as_int); // expected-note{{in instantiation of function template specialization 'std::expected<void, int>::or_else<std::expected<NotSameAsInt, int> (&)(const int &)>' requested here}} - // expected-error-re@*:* {{{{(static_assert|static assertion)}} failed {{.*}}The result of f(error()) must have the same value_type as this expected}} - } - } - - // Test && overload - { - // G is not a specialization of std::expected - { - std::expected<void, int> f1(std::unexpected<int>(1)); - std::move(f1).or_else(rval_return_not_std_expected); // expected-note{{in instantiation of function template specialization 'std::expected<void, int>::or_else<int (&)(int &&)>' requested here}} - // expected-error-re@*:* {{{{(static_assert|static assertion)}} failed {{.*}}The result of f(std::move(error())) must be a specialization of std::expected}} - // expected-error-re@*:* {{{{.*}}cannot be used prior to '::' because it has no members}} - } - - // !std::is_same_v<G:value_type, T> - { - std::expected<void, int> f1(std::unexpected<int>(1)); - std::move(f1).or_else(rval_error_type_not_same_as_int); // expected-note{{in instantiation of function template specialization 'std::expected<void, int>::or_else<std::expected<NotSameAsInt, int> (&)(int &&)>' requested here}} - // expected-error-re@*:* {{{{(static_assert|static assertion)}} failed {{.*}}The result of f(std::move(error())) must have the same value_type as this expected}} - } - } - - // Test const&& overload - { - // G is not a specialization of std::expected - { - const std::expected<void, int> f1(std::unexpected<int>(1)); - std::move(f1).or_else(crval_return_not_std_expected); // expected-note{{in instantiation of function template specialization 'std::expected<void, int>::or_else<int (&)(const int &&)>' requested here}} - // expected-error-re@*:* {{{{(static_assert|static assertion)}} failed {{.*}}The result of f(std::move(error())) must be a specialization of std::expected}} - // expected-error-re@*:* {{{{.*}}cannot be used prior to '::' because it has no members}} - } - - // !std::is_same_v<G:value_type, T> - { - const std::expected<void, int> f1(std::unexpected<int>(1)); - std::move(f1).or_else(crval_error_type_not_same_as_int); // expected-note{{in instantiation of function template specialization 'std::expected<void, int>::or_else<std::expected<NotSameAsInt, int> (&)(const int &&)>' requested here}} - // expected-error-re@*:* {{{{(static_assert|static assertion)}} failed {{.*}}The result of f(std::move(error())) must have the same value_type as this expected}} - } - } -} -// clang-format on |