1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // UNSUPPORTED: c++03, c++11, c++14 10 11 // <any> 12 13 // any() noexcept; 14 15 #include <any> 16 #include <type_traits> 17 #include <cassert> 18 19 #include "test_macros.h" 20 #include "any_helpers.h" 21 #include "count_new.h" 22 23 int main(int, char**) 24 { 25 { 26 static_assert( 27 std::is_nothrow_default_constructible<std::any>::value 28 , "Must be default constructible" 29 ); 30 } 31 { 32 struct TestConstexpr : public std::any { 33 constexpr TestConstexpr() : std::any() {} 34 }; 35 TEST_CONSTINIT static std::any a; 36 (void)a; 37 } 38 { 39 DisableAllocationGuard g; ((void)g); 40 const std::any a; 41 assertEmpty(a); 42 } 43 44 return 0; 45 } 46