Howard Hinnant | c52f43e | 2010-08-22 00:59:46 +0000 | [diff] [blame] | 1 | //===----------------------------------------------------------------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
Howard Hinnant | b64f8b0 | 2010-11-16 22:09:02 +0000 | [diff] [blame] | 5 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 6 | // Source Licenses. See LICENSE.TXT for details. |
Howard Hinnant | c52f43e | 2010-08-22 00:59:46 +0000 | [diff] [blame] | 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | // <memory> |
| 11 | |
| 12 | // template<class Y, class D, class A> shared_ptr(Y* p, D d, A a); |
| 13 | |
| 14 | #include <memory> |
| 15 | #include <cassert> |
| 16 | #include "../test_deleter.h" |
Marshall Clow | 1b92188 | 2013-12-03 00:18:10 +0000 | [diff] [blame] | 17 | #include "test_allocator.h" |
Dan Albert | 7112dae | 2014-11-20 15:55:17 -0800 | [diff] [blame] | 18 | #include "min_allocator.h" |
Howard Hinnant | c52f43e | 2010-08-22 00:59:46 +0000 | [diff] [blame] | 19 | |
| 20 | struct A |
| 21 | { |
| 22 | static int count; |
| 23 | |
| 24 | A() {++count;} |
| 25 | A(const A&) {++count;} |
| 26 | ~A() {--count;} |
| 27 | }; |
| 28 | |
| 29 | int A::count = 0; |
| 30 | |
Dan Albert | 7112dae | 2014-11-20 15:55:17 -0800 | [diff] [blame] | 31 | |
Howard Hinnant | c52f43e | 2010-08-22 00:59:46 +0000 | [diff] [blame] | 32 | int main() |
| 33 | { |
| 34 | { |
| 35 | A* ptr = new A; |
| 36 | std::shared_ptr<A> p(ptr, test_deleter<A>(3), test_allocator<A>(5)); |
| 37 | assert(A::count == 1); |
| 38 | assert(p.use_count() == 1); |
| 39 | assert(p.get() == ptr); |
| 40 | test_deleter<A>* d = std::get_deleter<test_deleter<A> >(p); |
| 41 | assert(test_deleter<A>::count == 1); |
| 42 | assert(test_deleter<A>::dealloc_count == 0); |
| 43 | assert(d); |
| 44 | assert(d->state() == 3); |
| 45 | assert(test_allocator<A>::count == 1); |
| 46 | assert(test_allocator<A>::alloc_count == 1); |
| 47 | } |
| 48 | assert(A::count == 0); |
| 49 | assert(test_deleter<A>::count == 0); |
| 50 | assert(test_deleter<A>::dealloc_count == 1); |
| 51 | assert(test_allocator<A>::count == 0); |
| 52 | assert(test_allocator<A>::alloc_count == 0); |
Dan Albert | 7112dae | 2014-11-20 15:55:17 -0800 | [diff] [blame] | 53 | test_deleter<A>::dealloc_count = 0; |
| 54 | // Test an allocator with a minimal interface |
| 55 | { |
| 56 | A* ptr = new A; |
| 57 | std::shared_ptr<A> p(ptr, test_deleter<A>(3), bare_allocator<void>()); |
| 58 | assert(A::count == 1); |
| 59 | assert(p.use_count() == 1); |
| 60 | assert(p.get() == ptr); |
| 61 | test_deleter<A>* d = std::get_deleter<test_deleter<A> >(p); |
| 62 | assert(test_deleter<A>::count == 1); |
| 63 | assert(test_deleter<A>::dealloc_count == 0); |
| 64 | assert(d); |
| 65 | assert(d->state() == 3); |
| 66 | } |
| 67 | assert(A::count == 0); |
| 68 | assert(test_deleter<A>::count == 0); |
| 69 | assert(test_deleter<A>::dealloc_count == 1); |
| 70 | test_deleter<A>::dealloc_count = 0; |
| 71 | #if __cplusplus >= 201103L |
| 72 | // Test an allocator that returns class-type pointers |
| 73 | { |
| 74 | A* ptr = new A; |
| 75 | std::shared_ptr<A> p(ptr, test_deleter<A>(3), min_allocator<void>()); |
| 76 | assert(A::count == 1); |
| 77 | assert(p.use_count() == 1); |
| 78 | assert(p.get() == ptr); |
| 79 | test_deleter<A>* d = std::get_deleter<test_deleter<A> >(p); |
| 80 | assert(test_deleter<A>::count == 1); |
| 81 | assert(test_deleter<A>::dealloc_count == 0); |
| 82 | assert(d); |
| 83 | assert(d->state() == 3); |
| 84 | } |
| 85 | assert(A::count == 0); |
| 86 | assert(test_deleter<A>::count == 0); |
| 87 | assert(test_deleter<A>::dealloc_count == 1); |
| 88 | #endif |
Howard Hinnant | c52f43e | 2010-08-22 00:59:46 +0000 | [diff] [blame] | 89 | } |