| // { dg-options "-std=gnu++2a" } |
| // { dg-do compile { target c++2a } } |
| |
| // Copyright (C) 2019-2021 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| // |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| // |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| #include <type_traits> |
| #include <testsuite_tr1.h> |
| |
| #ifndef __cpp_lib_bounded_array_traits |
| # error "Feature test macro for is_unbounded_array is missing" |
| #elif __cpp_lib_bounded_array_traits < 201902L |
| # error "Feature test macro for is_unbounded_array has wrong value" |
| #endif |
| |
| void test01() |
| { |
| using std::is_unbounded_array; |
| using namespace __gnu_test; |
| |
| static_assert(test_category<is_unbounded_array, int[2]>(false), ""); |
| static_assert(test_category<is_unbounded_array, int[]>(true), ""); |
| static_assert(test_category<is_unbounded_array, int[2][3]>(false), ""); |
| static_assert(test_category<is_unbounded_array, int[][3]>(true), ""); |
| static_assert(test_category<is_unbounded_array, float*[2]>(false), ""); |
| static_assert(test_category<is_unbounded_array, float*[]>(true), ""); |
| static_assert(test_category<is_unbounded_array, float*[2][3]>(false), ""); |
| static_assert(test_category<is_unbounded_array, float*[][3]>(true), ""); |
| static_assert(test_category<is_unbounded_array, ClassType[2]>(false), ""); |
| static_assert(test_category<is_unbounded_array, ClassType[]>(true), ""); |
| static_assert(test_category<is_unbounded_array, ClassType[2][3]>(false), ""); |
| static_assert(test_category<is_unbounded_array, ClassType[][3]>(true), ""); |
| static_assert(test_category<is_unbounded_array, IncompleteClass[2][3]>(false), ""); |
| static_assert(test_category<is_unbounded_array, IncompleteClass[][3]>(true), ""); |
| static_assert(test_category<is_unbounded_array, int(*)[2]>(false), ""); |
| static_assert(test_category<is_unbounded_array, int(*)[]>(false), ""); |
| static_assert(test_category<is_unbounded_array, int(&)[2]>(false), ""); |
| static_assert(test_category<is_unbounded_array, int(&)[]>(false), ""); |
| |
| // Sanity check. |
| static_assert(test_category<is_unbounded_array, ClassType>(false), ""); |
| static_assert(test_category<is_unbounded_array, IncompleteClass>(false), ""); |
| static_assert(test_category<is_unbounded_array, IncompleteUnion>(false), ""); |
| } |
| |
| template <class... T> void pos() |
| { |
| static_assert((std::is_unbounded_array_v<T> &&...)); |
| } |
| |
| template <class... T> void neg() |
| { |
| static_assert((!std::is_unbounded_array_v<T> &&...)); |
| } |
| |
| void test02() |
| { |
| using namespace __gnu_test; |
| pos<int[], int[][3], float*[], float*[][3], ClassType[], |
| ClassType[][3]>(); |
| neg<int[2], int[2][3], float*[2], float*[2][3], ClassType[2], |
| ClassType[2][3], int(*)[2], int(&)[], int(*)[2], int(&)[], ClassType>(); |
| } |