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Implement conjuntion/disjuntion/negation for LFTS v2. Same code and tests for the ones in std::

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@287988 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow
2016-11-26 18:45:03 +00:00
parent 70e6a8d552
commit afa9b590b2
4 changed files with 195 additions and 0 deletions
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68
test/std/experimental/utilities/meta/meta.logical/conjunction.pass.cpp Normal file
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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03, c++11
// <experimental/type_traits>
// template<class... B> struct conjunction; // C++17
// template<class... B>
// constexpr bool conjunction_v = conjunction<B...>::value; // C++17
#include <experimental/type_traits>
#include <cassert>
namespace ex = std::experimental;
struct True { static constexpr bool value = true; };
struct False { static constexpr bool value = false; };
int main()
{
static_assert ( ex::conjunction<>::value, "" );
static_assert ( ex::conjunction<std::true_type >::value, "" );
static_assert (!ex::conjunction<std::false_type>::value, "" );
static_assert ( ex::conjunction_v<>, "" );
static_assert ( ex::conjunction_v<std::true_type >, "" );
static_assert (!ex::conjunction_v<std::false_type>, "" );
static_assert ( ex::conjunction<std::true_type, std::true_type >::value, "" );
static_assert (!ex::conjunction<std::true_type, std::false_type>::value, "" );
static_assert (!ex::conjunction<std::false_type, std::true_type >::value, "" );
static_assert (!ex::conjunction<std::false_type, std::false_type>::value, "" );
static_assert ( ex::conjunction_v<std::true_type, std::true_type >, "" );
static_assert (!ex::conjunction_v<std::true_type, std::false_type>, "" );
static_assert (!ex::conjunction_v<std::false_type, std::true_type >, "" );
static_assert (!ex::conjunction_v<std::false_type, std::false_type>, "" );
static_assert ( ex::conjunction<std::true_type, std::true_type, std::true_type >::value, "" );
static_assert (!ex::conjunction<std::true_type, std::false_type, std::true_type >::value, "" );
static_assert (!ex::conjunction<std::false_type, std::true_type, std::true_type >::value, "" );
static_assert (!ex::conjunction<std::false_type, std::false_type, std::true_type >::value, "" );
static_assert (!ex::conjunction<std::true_type, std::true_type, std::false_type>::value, "" );
static_assert (!ex::conjunction<std::true_type, std::false_type, std::false_type>::value, "" );
static_assert (!ex::conjunction<std::false_type, std::true_type, std::false_type>::value, "" );
static_assert (!ex::conjunction<std::false_type, std::false_type, std::false_type>::value, "" );
static_assert ( ex::conjunction_v<std::true_type, std::true_type, std::true_type >, "" );
static_assert (!ex::conjunction_v<std::true_type, std::false_type, std::true_type >, "" );
static_assert (!ex::conjunction_v<std::false_type, std::true_type, std::true_type >, "" );
static_assert (!ex::conjunction_v<std::false_type, std::false_type, std::true_type >, "" );
static_assert (!ex::conjunction_v<std::true_type, std::true_type, std::false_type>, "" );
static_assert (!ex::conjunction_v<std::true_type, std::false_type, std::false_type>, "" );
static_assert (!ex::conjunction_v<std::false_type, std::true_type, std::false_type>, "" );
static_assert (!ex::conjunction_v<std::false_type, std::false_type, std::false_type>, "" );
static_assert ( ex::conjunction<True >::value, "" );
static_assert (!ex::conjunction<False>::value, "" );
static_assert ( ex::conjunction_v<True >, "" );
static_assert (!ex::conjunction_v<False>, "" );
}

68
test/std/experimental/utilities/meta/meta.logical/disjunction.pass.cpp Normal file
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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03, c++11
// <experimental/type_traits>
// template<class... B> struct disjunction;
// template<class... B>
// constexpr bool disjunction_v = disjunction<B...>::value;
#include <experimental/type_traits>
#include <cassert>
namespace ex = std::experimental;
struct True { static constexpr bool value = true; };
struct False { static constexpr bool value = false; };
int main()
{
static_assert (!ex::disjunction<>::value, "" );
static_assert ( ex::disjunction<std::true_type >::value, "" );
static_assert (!ex::disjunction<std::false_type>::value, "" );
static_assert (!ex::disjunction_v<>, "" );
static_assert ( ex::disjunction_v<std::true_type >, "" );
static_assert (!ex::disjunction_v<std::false_type>, "" );
static_assert ( ex::disjunction<std::true_type, std::true_type >::value, "" );
static_assert ( ex::disjunction<std::true_type, std::false_type>::value, "" );
static_assert ( ex::disjunction<std::false_type, std::true_type >::value, "" );
static_assert (!ex::disjunction<std::false_type, std::false_type>::value, "" );
static_assert ( ex::disjunction_v<std::true_type, std::true_type >, "" );
static_assert ( ex::disjunction_v<std::true_type, std::false_type>, "" );
static_assert ( ex::disjunction_v<std::false_type, std::true_type >, "" );
static_assert (!ex::disjunction_v<std::false_type, std::false_type>, "" );
static_assert ( ex::disjunction<std::true_type, std::true_type, std::true_type >::value, "" );
static_assert ( ex::disjunction<std::true_type, std::false_type, std::true_type >::value, "" );
static_assert ( ex::disjunction<std::false_type, std::true_type, std::true_type >::value, "" );
static_assert ( ex::disjunction<std::false_type, std::false_type, std::true_type >::value, "" );
static_assert ( ex::disjunction<std::true_type, std::true_type, std::false_type>::value, "" );
static_assert ( ex::disjunction<std::true_type, std::false_type, std::false_type>::value, "" );
static_assert ( ex::disjunction<std::false_type, std::true_type, std::false_type>::value, "" );
static_assert (!ex::disjunction<std::false_type, std::false_type, std::false_type>::value, "" );
static_assert ( ex::disjunction_v<std::true_type, std::true_type, std::true_type >, "" );
static_assert ( ex::disjunction_v<std::true_type, std::false_type, std::true_type >, "" );
static_assert ( ex::disjunction_v<std::false_type, std::true_type, std::true_type >, "" );
static_assert ( ex::disjunction_v<std::false_type, std::false_type, std::true_type >, "" );
static_assert ( ex::disjunction_v<std::true_type, std::true_type, std::false_type>, "" );
static_assert ( ex::disjunction_v<std::true_type, std::false_type, std::false_type>, "" );
static_assert ( ex::disjunction_v<std::false_type, std::true_type, std::false_type>, "" );
static_assert (!ex::disjunction_v<std::false_type, std::false_type, std::false_type>, "" );
static_assert ( ex::disjunction<True >::value, "" );
static_assert (!ex::disjunction<False>::value, "" );
static_assert ( ex::disjunction_v<True >, "" );
static_assert (!ex::disjunction_v<False>, "" );
}

41
test/std/experimental/utilities/meta/meta.logical/negation.pass.cpp Normal file
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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03, c++11
// <experimental/type_traits>
// template<class B> struct negation;
// template<class B>
// constexpr bool negation_v = negation<B>::value;
#include <experimental/type_traits>
#include <cassert>
namespace ex = std::experimental;
struct True { static constexpr bool value = true; };
struct False { static constexpr bool value = false; };
int main()
{
static_assert (!ex::negation<std::true_type >::value, "" );
static_assert ( ex::negation<std::false_type>::value, "" );
static_assert (!ex::negation_v<std::true_type >, "" );
static_assert ( ex::negation_v<std::false_type>, "" );
static_assert (!ex::negation<True >::value, "" );
static_assert ( ex::negation<False>::value, "" );
static_assert (!ex::negation_v<True >, "" );
static_assert ( ex::negation_v<False>, "" );
static_assert ( ex::negation<ex::negation<std::true_type >>::value, "" );
static_assert (!ex::negation<ex::negation<std::false_type>>::value, "" );
}