1//===----------------------------------------------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is dual licensed under the MIT and the University of Illinois Open 6// Source Licenses. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10// UNSUPPORTED: c++98, c++03 11 12// <memory> 13 14// shared_ptr 15 16// template<class T, class A, class... Args> 17// shared_ptr<T> allocate_shared(const A& a, Args&&... args); 18 19#include <memory> 20#include <new> 21#include <cstdlib> 22#include <cassert> 23#include "test_allocator.h" 24#include "min_allocator.h" 25 26int new_count = 0; 27 28struct A 29{ 30 static int count; 31 32 A(int i, char c) : int_(i), char_(c) {++count;} 33 A(const A& a) 34 : int_(a.int_), char_(a.char_) 35 {++count;} 36 ~A() {--count;} 37 38 int get_int() const {return int_;} 39 char get_char() const {return char_;} 40private: 41 int int_; 42 char char_; 43}; 44 45int A::count = 0; 46 47int main() 48{ 49 { 50 int i = 67; 51 char c = 'e'; 52 std::shared_ptr<A> p = std::allocate_shared<A>(test_allocator<A>(54), i, c); 53 assert(test_allocator<A>::alloc_count == 1); 54 assert(A::count == 1); 55 assert(p->get_int() == 67); 56 assert(p->get_char() == 'e'); 57 } 58 assert(A::count == 0); 59 assert(test_allocator<A>::alloc_count == 0); 60 { 61 int i = 67; 62 char c = 'e'; 63 std::shared_ptr<A> p = std::allocate_shared<A>(min_allocator<void>(), i, c); 64 assert(A::count == 1); 65 assert(p->get_int() == 67); 66 assert(p->get_char() == 'e'); 67 } 68 assert(A::count == 0); 69 { 70 int i = 68; 71 char c = 'f'; 72 std::shared_ptr<A> p = std::allocate_shared<A>(bare_allocator<void>(), i, c); 73 assert(A::count == 1); 74 assert(p->get_int() == 68); 75 assert(p->get_char() == 'f'); 76 } 77 assert(A::count == 0); 78} 79