final/test/utilities/memory/unique.ptr/unique.ptr.single/unique.ptr.single.asgn/move01.fail.cpp

//===----------------------------------------------------------------------===//
//
//                     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 assignment

#include <memory>
#include <cassert>

// Can't copy from lvalue

struct A
{
    static int count;
    A() {++count;}
    A(const A&) {++count;}
    ~A() {--count;}
};

int A::count = 0;

int main()
{
    {
    std::unique_ptr<A> s(new A);
    std::unique_ptr<A> s2;
    s2 = s;
    }
}