Eric Fiselier | 76581dc | 2015-07-31 02:43:52 +0000 | [diff] [blame] | 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 | |
| 11 | // <memory> |
| 12 | |
| 13 | // unique_ptr |
| 14 | |
| 15 | // Test unique_ptr converting move ctor |
| 16 | |
| 17 | // NOTE: unique_ptr does not provide converting constructors in c++03 |
| 18 | // XFAIL: c++98, c++03 |
| 19 | |
| 20 | |
| 21 | #include <memory> |
| 22 | #include <type_traits> |
| 23 | #include <utility> |
| 24 | #include <cassert> |
| 25 | |
| 26 | #include "../../deleter.h" |
| 27 | |
| 28 | // test converting move ctor. Should only require a MoveConstructible deleter, or if |
| 29 | // deleter is a reference, not even that. |
| 30 | // Explicit version |
| 31 | |
| 32 | struct A |
| 33 | { |
| 34 | static int count; |
| 35 | A() {++count;} |
| 36 | A(const A&) {++count;} |
| 37 | virtual ~A() {--count;} |
| 38 | }; |
| 39 | |
| 40 | int A::count = 0; |
| 41 | |
| 42 | struct B |
| 43 | : public A |
| 44 | { |
| 45 | static int count; |
| 46 | B() {++count;} |
| 47 | B(const B&) {++count;} |
| 48 | virtual ~B() {--count;} |
| 49 | }; |
| 50 | |
| 51 | int B::count = 0; |
| 52 | |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 53 | template <class OrigPtr, class NewPtr> |
| 54 | void checkDeleter(OrigPtr& O, NewPtr& N, int OrigState, int NewState) { |
| 55 | typedef typename NewPtr::deleter_type NewDel; |
| 56 | if (std::is_reference<NewDel>::value) { |
| 57 | O.get_deleter().set_state(42); |
| 58 | assert(O.get_deleter().state() == 42); |
| 59 | assert(N.get_deleter().state() == 42); |
| 60 | O.get_deleter().set_state(99); |
| 61 | assert(O.get_deleter().state() == 99); |
| 62 | assert(N.get_deleter().state() == 99); |
| 63 | } else { |
| 64 | // TODO(EricWF) Enable this? |
| 65 | // assert(OrigState != NewState); |
| 66 | assert(O.get_deleter().state() == OrigState); |
| 67 | assert(N.get_deleter().state() == NewState); |
| 68 | } |
Eric Fiselier | 76581dc | 2015-07-31 02:43:52 +0000 | [diff] [blame] | 69 | } |
| 70 | |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 71 | template <class APtr, class BPtr> |
| 72 | void testMoveConvertExplicit() |
| 73 | { |
| 74 | { // Test explicit constructor |
| 75 | BPtr s(new B); |
| 76 | A* p = s.get(); |
| 77 | APtr s2(std::move(s)); |
| 78 | assert(s2.get() == p); |
| 79 | assert(s.get() == 0); |
| 80 | assert(A::count == 1); |
| 81 | assert(B::count == 1); |
| 82 | } |
Eric Fiselier | 76581dc | 2015-07-31 02:43:52 +0000 | [diff] [blame] | 83 | assert(A::count == 0); |
| 84 | assert(B::count == 0); |
| 85 | } |
| 86 | |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 87 | template <class APtr, class BPtr> |
| 88 | void testMoveConvertImplicit() { |
| 89 | |
| 90 | { // Test implicit constructor |
| 91 | BPtr s(new B); |
| 92 | A* p = s.get(); |
| 93 | APtr s2 = std::move(s); |
| 94 | assert(s2.get() == p); |
| 95 | assert(s.get() == 0); |
| 96 | assert(A::count == 1); |
| 97 | assert(B::count == 1); |
| 98 | } |
| 99 | assert(A::count == 0); |
| 100 | assert(B::count == 0); |
| 101 | } |
| 102 | |
| 103 | template <class APtr, class BPtr, class Deleter> |
| 104 | #if TEST_STD_VER >= 11 |
| 105 | void testMoveConvertExplicit(Deleter&& del) { |
| 106 | #else |
| 107 | void testMoveConvert(Deleter& del) { |
| 108 | #endif |
| 109 | int old_val = del.state(); |
| 110 | { // Test Explicit constructor |
| 111 | BPtr s(new B, std::forward<Deleter>(del)); |
| 112 | A* p = s.get(); |
| 113 | APtr s2(std::move(s)); |
| 114 | assert(s2.get() == p); |
| 115 | assert(s.get() == 0); |
| 116 | checkDeleter(s, s2, del.state(), old_val); |
| 117 | assert(A::count == 1); |
| 118 | assert(B::count == 1); |
| 119 | } |
| 120 | assert(A::count == 0); |
| 121 | assert(B::count == 0); |
| 122 | } |
| 123 | |
| 124 | |
| 125 | template <class APtr, class BPtr, class Deleter> |
| 126 | #if TEST_STD_VER >= 11 |
| 127 | void testMoveConvertImplicit(Deleter&& del) { |
| 128 | #else |
| 129 | void testMoveConvertImplicit(Deleter& del) { |
| 130 | #endif |
| 131 | int old_val = del.state(); |
| 132 | { // Test Implicit constructor |
| 133 | BPtr s(new B, std::forward<Deleter>(del)); |
| 134 | A* p = s.get(); |
| 135 | APtr s2 = std::move(s); |
| 136 | assert(s2.get() == p); |
| 137 | assert(s.get() == 0); |
| 138 | checkDeleter(s, s2, del.state(), old_val); |
| 139 | assert(A::count == 1); |
| 140 | assert(B::count == 1); |
| 141 | } |
| 142 | assert(A::count == 0); |
| 143 | assert(B::count == 0); |
| 144 | } |
Eric Fiselier | 76581dc | 2015-07-31 02:43:52 +0000 | [diff] [blame] | 145 | int main() |
| 146 | { |
| 147 | { |
| 148 | typedef std::unique_ptr<A> APtr; |
| 149 | typedef std::unique_ptr<B> BPtr; |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 150 | testMoveConvertExplicit<APtr, BPtr>(); |
| 151 | testMoveConvertImplicit<APtr, BPtr>(); |
Eric Fiselier | 76581dc | 2015-07-31 02:43:52 +0000 | [diff] [blame] | 152 | } |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 153 | { |
Eric Fiselier | 76581dc | 2015-07-31 02:43:52 +0000 | [diff] [blame] | 154 | typedef std::unique_ptr<A, Deleter<A> > APtr; |
| 155 | typedef std::unique_ptr<B, Deleter<B> > BPtr; |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 156 | Deleter<B> del(5); |
| 157 | testMoveConvertExplicit<APtr, BPtr>(std::move(del)); |
| 158 | del.set_state(5); |
| 159 | testMoveConvertImplicit<APtr, BPtr>(std::move(del)); |
Eric Fiselier | 76581dc | 2015-07-31 02:43:52 +0000 | [diff] [blame] | 160 | } |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 161 | { |
Eric Fiselier | 76581dc | 2015-07-31 02:43:52 +0000 | [diff] [blame] | 162 | typedef std::unique_ptr<A, NCDeleter<A>& > APtr; |
| 163 | typedef std::unique_ptr<B, NCDeleter<A>& > BPtr; |
| 164 | NCDeleter<A> del(5); |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 165 | testMoveConvertExplicit<APtr, BPtr>(del); |
| 166 | testMoveConvertImplicit<APtr, BPtr>(del); |
Eric Fiselier | 76581dc | 2015-07-31 02:43:52 +0000 | [diff] [blame] | 167 | } |
| 168 | { |
| 169 | typedef std::unique_ptr<A, CDeleter<A> > APtr; |
| 170 | typedef std::unique_ptr<B, CDeleter<B>& > BPtr; |
| 171 | CDeleter<B> del(5); |
Dan Albert | 1d4a1ed | 2016-05-25 22:36:09 -0700 | [diff] [blame^] | 172 | testMoveConvertImplicit<APtr, BPtr>(del); |
| 173 | testMoveConvertExplicit<APtr, BPtr>(del); |
Eric Fiselier | 76581dc | 2015-07-31 02:43:52 +0000 | [diff] [blame] | 174 | } |
| 175 | } |