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 26 int new_count = 0; 27 28 struct 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_;} 40 private: 41 int int_; 42 char char_; 43 }; 44 45 int A::count = 0; 46 47 int 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
