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 10 11 // <memory> 12 13 // template <class OuterAlloc, class... InnerAllocs> 14 // class scoped_allocator_adaptor 15 16 // template <class T> void destroy(T* p); 17 18 #include <scoped_allocator> 19 #include <cassert> 20 #include <string> 21 22 #include "test_macros.h" 23 #include "allocators.h" 24 25 struct B { 26 static bool constructed; 27 BB28 B() { constructed = true; } ~BB29 ~B() { constructed = false; } 30 }; 31 32 bool B::constructed = false; 33 main(int,char **)34int main(int, char**) { 35 { 36 typedef std::scoped_allocator_adaptor<A1<B>> A; 37 A a; 38 char buf[100]; 39 typedef B S; 40 S* s = (S*)buf; 41 assert(!S::constructed); 42 a.construct(s); 43 assert(S::constructed); 44 a.destroy(s); 45 assert(!S::constructed); 46 } 47 48 { 49 typedef std::scoped_allocator_adaptor<A3<B>, A1<B>> A; 50 A a; 51 char buf[100]; 52 typedef B S; 53 S* s = (S*)buf; 54 assert(!S::constructed); 55 assert(!A3<S>::constructed); 56 assert(!A3<S>::destroy_called); 57 a.construct(s); 58 assert(S::constructed); 59 assert(A3<S>::constructed); 60 assert(!A3<S>::destroy_called); 61 a.destroy(s); 62 assert(!S::constructed); 63 assert(A3<S>::constructed); 64 assert(A3<S>::destroy_called); 65 } 66 67 return 0; 68 } 69