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 // unique_ptr 13 14 // Test unique_ptr move ctor 15 16 // test move ctor. Should only require a MoveConstructible deleter, or if 17 // deleter is a reference, not even that. 18 19 #include <memory> 20 #include <utility> 21 #include <cassert> 22 23 #include "../../deleter.h" 24 25 struct A 26 { 27 static int count; AA28 A() {++count;} AA29 A(const A&) {++count;} ~AA30 ~A() {--count;} 31 }; 32 33 int A::count = 0; 34 main()35int main() 36 { 37 { 38 std::unique_ptr<A[]> s(new A[3]); 39 A* p = s.get(); 40 std::unique_ptr<A[]> s2 = std::move(s); 41 assert(s2.get() == p); 42 assert(s.get() == 0); 43 assert(A::count == 3); 44 } 45 assert(A::count == 0); 46 { 47 std::unique_ptr<A[], Deleter<A[]> > s(new A[3], Deleter<A[]>(5)); 48 A* p = s.get(); 49 std::unique_ptr<A[], Deleter<A[]> > s2 = std::move(s); 50 assert(s2.get() == p); 51 assert(s.get() == 0); 52 assert(A::count == 3); 53 assert(s2.get_deleter().state() == 5); 54 assert(s.get_deleter().state() == 0); 55 } 56 assert(A::count == 0); 57 { 58 NCDeleter<A[]> d; 59 std::unique_ptr<A[], NCDeleter<A[]>&> s(new A[3], d); 60 A* p = s.get(); 61 std::unique_ptr<A[], NCDeleter<A[]>&> s2 = std::move(s); 62 assert(s2.get() == p); 63 assert(s.get() == 0); 64 assert(A::count == 3); 65 d.set_state(6); 66 assert(s2.get_deleter().state() == d.state()); 67 assert(s.get_deleter().state() == d.state()); 68 } 69 assert(A::count == 0); 70 } 71