| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <memory> |
| |
| // unique_ptr |
| |
| // Test unique_ptr move ctor |
| |
| // test move ctor. Should only require a MoveConstructible deleter, or if |
| // deleter is a reference, not even that. |
| |
| #include <memory> |
| #include <cassert> |
| |
| #include "../../deleter.h" |
| |
| struct A |
| { |
| static int count; |
| A() {++count;} |
| A(const A&) {++count;} |
| ~A() {--count;} |
| }; |
| |
| int A::count = 0; |
| |
| class NCDeleter |
| { |
| int state_; |
| |
| NCDeleter(NCDeleter&); |
| NCDeleter& operator=(NCDeleter&); |
| public: |
| |
| NCDeleter() : state_(5) {} |
| |
| int state() const {return state_;} |
| void set_state(int s) {state_ = s;} |
| |
| void operator()(A* p) {delete [] p;} |
| }; |
| |
| int main() |
| { |
| { |
| std::unique_ptr<A[]> s(new A[3]); |
| A* p = s.get(); |
| std::unique_ptr<A[]> s2 = std::move(s); |
| assert(s2.get() == p); |
| assert(s.get() == 0); |
| assert(A::count == 3); |
| } |
| assert(A::count == 0); |
| { |
| std::unique_ptr<A[], Deleter<A[]> > s(new A[3], Deleter<A[]>(5)); |
| A* p = s.get(); |
| std::unique_ptr<A[], Deleter<A[]> > s2 = std::move(s); |
| assert(s2.get() == p); |
| assert(s.get() == 0); |
| assert(A::count == 3); |
| assert(s2.get_deleter().state() == 5); |
| assert(s.get_deleter().state() == 0); |
| } |
| assert(A::count == 0); |
| { |
| NCDeleter d; |
| std::unique_ptr<A[], NCDeleter&> s(new A[3], d); |
| A* p = s.get(); |
| std::unique_ptr<A[], NCDeleter&> s2 = std::move(s); |
| assert(s2.get() == p); |
| assert(s.get() == 0); |
| assert(A::count == 3); |
| d.set_state(6); |
| assert(s2.get_deleter().state() == d.state()); |
| assert(s.get_deleter().state() == d.state()); |
| } |
| assert(A::count == 0); |
| } |