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//===----------------------------------------------------------------------===//
//
// 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
// type_traits
// template<class... B> struct conjunction; // C++17
// template<class... B>
// constexpr bool conjunction_v = conjunction<B...>::value; // C++17
#include <cassert>
#include <type_traits>
#include "test_macros.h"
struct True { static constexpr bool value = true; };
struct False { static constexpr bool value = false; };
struct MySpecialTrueType { static constexpr auto value = true; static constexpr auto MySpecial = 23; };
struct MyOtherSpecialTrueType { static constexpr auto value = -1; static constexpr auto MySpecial = 46; };
struct MySpecialFalseType { static constexpr auto value = false; static constexpr auto MySpecial = 37; };
struct HasNoValue {};
struct ExplicitlyConvertibleToBool { explicit constexpr operator bool() const { return true; } };
struct ValueExplicitlyConvertible { static constexpr ExplicitlyConvertibleToBool value {}; };
static_assert( std::conjunction<>::value);
static_assert( std::conjunction<std::true_type >::value);
static_assert(!std::conjunction<std::false_type>::value);
static_assert( std::conjunction_v<>);
static_assert( std::conjunction_v<std::true_type >);
static_assert(!std::conjunction_v<std::false_type>);
static_assert( std::conjunction<std::true_type, std::true_type >::value);
static_assert(!std::conjunction<std::true_type, std::false_type>::value);
static_assert(!std::conjunction<std::false_type, std::true_type >::value);
static_assert(!std::conjunction<std::false_type, std::false_type>::value);
static_assert( std::conjunction_v<std::true_type, std::true_type >);
static_assert(!std::conjunction_v<std::true_type, std::false_type>);
static_assert(!std::conjunction_v<std::false_type, std::true_type >);
static_assert(!std::conjunction_v<std::false_type, std::false_type>);
static_assert( std::conjunction<std::true_type, std::true_type, std::true_type >::value);
static_assert(!std::conjunction<std::true_type, std::false_type, std::true_type >::value);
static_assert(!std::conjunction<std::false_type, std::true_type, std::true_type >::value);
static_assert(!std::conjunction<std::false_type, std::false_type, std::true_type >::value);
static_assert(!std::conjunction<std::true_type, std::true_type, std::false_type>::value);
static_assert(!std::conjunction<std::true_type, std::false_type, std::false_type>::value);
static_assert(!std::conjunction<std::false_type, std::true_type, std::false_type>::value);
static_assert(!std::conjunction<std::false_type, std::false_type, std::false_type>::value);
static_assert( std::conjunction_v<std::true_type, std::true_type, std::true_type >);
static_assert(!std::conjunction_v<std::true_type, std::false_type, std::true_type >);
static_assert(!std::conjunction_v<std::false_type, std::true_type, std::true_type >);
static_assert(!std::conjunction_v<std::false_type, std::false_type, std::true_type >);
static_assert(!std::conjunction_v<std::true_type, std::true_type, std::false_type>);
static_assert(!std::conjunction_v<std::true_type, std::false_type, std::false_type>);
static_assert(!std::conjunction_v<std::false_type, std::true_type, std::false_type>);
static_assert(!std::conjunction_v<std::false_type, std::false_type, std::false_type>);
static_assert( std::conjunction<True >::value);
static_assert(!std::conjunction<False>::value);
static_assert( std::conjunction_v<True >);
static_assert(!std::conjunction_v<False>);
static_assert(std::is_base_of_v<MySpecialTrueType, std::conjunction<MyOtherSpecialTrueType, MySpecialTrueType>>);
static_assert(std::is_base_of_v<MyOtherSpecialTrueType, std::conjunction<MySpecialTrueType, MyOtherSpecialTrueType>>);
static_assert(std::is_base_of_v<MySpecialFalseType, std::conjunction<MySpecialFalseType, MyOtherSpecialTrueType>>);
static_assert(std::is_base_of_v<MySpecialFalseType, std::conjunction<MyOtherSpecialTrueType, MySpecialFalseType>>);
static_assert(std::is_base_of_v<std::false_type, std::conjunction<std::false_type, HasNoValue>>);
static_assert(!std::conjunction<std::false_type, HasNoValue>::value);
static_assert(!std::conjunction_v<std::false_type, HasNoValue>);
static_assert(std::conjunction<MyOtherSpecialTrueType>::value == -1);
static_assert(std::conjunction_v<MyOtherSpecialTrueType>);
static_assert(std::is_base_of_v<ValueExplicitlyConvertible, std::conjunction<ValueExplicitlyConvertible>>);
static_assert(std::conjunction_v<ValueExplicitlyConvertible, std::true_type>);
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