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 // <memory> 11 12 // shared_ptr 13 14 // template<class T, class A, class... Args> 15 // shared_ptr<T> allocate_shared(const A& a, Args&&... args); 16 17 #include <memory> 18 #include <new> 19 #include <cstdlib> 20 #include <cassert> 21 #include "test_allocator.h" 22 #include "min_allocator.h" 23 24 int new_count = 0; 25 26 struct A 27 { 28 static int count; 29 30 A(int i, char c) : int_(i), char_(c) {++count;} 31 A(const A& a) 32 : int_(a.int_), char_(a.char_) 33 {++count;} 34 ~A() {--count;} 35 36 int get_int() const {return int_;} 37 char get_char() const {return char_;} 38 private: 39 int int_; 40 char char_; 41 }; 42 43 int A::count = 0; 44 45 int main() 46 { 47 { 48 int i = 67; 49 char c = 'e'; 50 std::shared_ptr<A> p = std::allocate_shared<A>(test_allocator<A>(54), i, c); 51 assert(test_allocator<A>::alloc_count == 1); 52 assert(A::count == 1); 53 assert(p->get_int() == 67); 54 assert(p->get_char() == 'e'); 55 } 56 assert(A::count == 0); 57 assert(test_allocator<A>::alloc_count == 0); 58 #if __cplusplus >= 201103L 59 { 60 int i = 67; 61 char c = 'e'; 62 std::shared_ptr<A> p = std::allocate_shared<A>(min_allocator<void>(), i, c); 63 assert(A::count == 1); 64 assert(p->get_int() == 67); 65 assert(p->get_char() == 'e'); 66 } 67 assert(A::count == 0); 68 { 69 int i = 68; 70 char c = 'f'; 71 std::shared_ptr<A> p = std::allocate_shared<A>(bare_allocator<void>(), i, c); 72 assert(A::count == 1); 73 assert(p->get_int() == 68); 74 assert(p->get_char() == 'f'); 75 } 76 assert(A::count == 0); 77 #endif 78 } 79
