| //===----------------------------------------------------------------------===// |
| // |
| // 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(pointer) ctor |
| |
| #include <memory> |
| #include <cassert> |
| |
| // template <class U> explicit unique_ptr(auto_ptr<U>&); |
| |
| struct A |
| { |
| static int count; |
| A() {++count;} |
| A(const A&) {++count;} |
| virtual ~A() {--count;} |
| }; |
| |
| int A::count = 0; |
| |
| struct B |
| : public A |
| { |
| static int count; |
| B() {++count;} |
| B(const B&) {++count;} |
| virtual ~B() {--count;} |
| }; |
| |
| int B::count = 0; |
| |
| struct Deleter |
| { |
| template <class T> |
| void operator()(T*) {} |
| }; |
| |
| int main() |
| { |
| { |
| B* p = new B; |
| std::auto_ptr<B> ap(p); |
| std::unique_ptr<A, Deleter> up(ap); |
| assert(up.get() == p); |
| assert(ap.get() == 0); |
| assert(A::count == 1); |
| assert(B::count == 1); |
| } |
| assert(A::count == 0); |
| assert(B::count == 0); |
| } |