1da3119025
Looks like we again are going to have problems with libcxx tests that are overly specific in their dependency on clang's diagnostics. This reverts commit 6542cb55a3eb115b1c3592514590a19987ffc498.
89 lines
3.1 KiB
C++
89 lines
3.1 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++03, c++11, c++14
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// <variant>
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// template <class ...Types>
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// constexpr bool
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// operator==(variant<Types...> const&, variant<Types...> const&) noexcept;
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//
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// template <class ...Types>
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// constexpr bool
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// operator!=(variant<Types...> const&, variant<Types...> const&) noexcept;
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//
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// template <class ...Types>
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// constexpr bool
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// operator<(variant<Types...> const&, variant<Types...> const&) noexcept;
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//
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// template <class ...Types>
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// constexpr bool
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// operator>(variant<Types...> const&, variant<Types...> const&) noexcept;
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//
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// template <class ...Types>
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// constexpr bool
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// operator<=(variant<Types...> const&, variant<Types...> const&) noexcept;
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//
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// template <class ...Types>
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// constexpr bool
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// operator>=(variant<Types...> const&, variant<Types...> const&) noexcept;
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#include <cassert>
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#include <type_traits>
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#include <utility>
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#include <variant>
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#include "test_macros.h"
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struct MyBoolExplicit {
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bool value;
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constexpr explicit MyBoolExplicit(bool v) : value(v) {}
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constexpr explicit operator bool() const noexcept { return value; }
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};
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struct ComparesToMyBoolExplicit {
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int value = 0;
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};
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inline constexpr MyBoolExplicit operator==(const ComparesToMyBoolExplicit& LHS, const ComparesToMyBoolExplicit& RHS) noexcept {
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return MyBoolExplicit(LHS.value == RHS.value);
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}
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inline constexpr MyBoolExplicit operator!=(const ComparesToMyBoolExplicit& LHS, const ComparesToMyBoolExplicit& RHS) noexcept {
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return MyBoolExplicit(LHS.value != RHS.value);
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}
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inline constexpr MyBoolExplicit operator<(const ComparesToMyBoolExplicit& LHS, const ComparesToMyBoolExplicit& RHS) noexcept {
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return MyBoolExplicit(LHS.value < RHS.value);
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}
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inline constexpr MyBoolExplicit operator<=(const ComparesToMyBoolExplicit& LHS, const ComparesToMyBoolExplicit& RHS) noexcept {
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return MyBoolExplicit(LHS.value <= RHS.value);
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}
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inline constexpr MyBoolExplicit operator>(const ComparesToMyBoolExplicit& LHS, const ComparesToMyBoolExplicit& RHS) noexcept {
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return MyBoolExplicit(LHS.value > RHS.value);
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}
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inline constexpr MyBoolExplicit operator>=(const ComparesToMyBoolExplicit& LHS, const ComparesToMyBoolExplicit& RHS) noexcept {
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return MyBoolExplicit(LHS.value >= RHS.value);
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}
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int main(int, char**) {
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using V = std::variant<int, ComparesToMyBoolExplicit>;
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V v1(42);
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V v2(101);
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// expected-error-re@variant:* 6 {{static_assert failed{{.*}}the relational operator does not return a type which is implicitly convertible to bool}}
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// expected-error@variant:* 6 {{no viable conversion}}
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(void)(v1 == v2); // expected-note {{here}}
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(void)(v1 != v2); // expected-note {{here}}
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(void)(v1 < v2); // expected-note {{here}}
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(void)(v1 <= v2); // expected-note {{here}}
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(void)(v1 > v2); // expected-note {{here}}
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(void)(v1 >= v2); // expected-note {{here}}
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return 0;
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}
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