cxx/test/utilities/memory/unique.ptr/unique.ptr.runtime/move_convert04.fail.cpp

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//===----------------------------------------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // <memory> // unique_ptr // Test unique_ptr converting move assignment #include <memory> #include <cassert> // Can't assign from const lvalue 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; int main() { { const boost::unique_ptr<B[]> s(new B); A* p = s.get(); boost::unique_ptr<A[]> s2; s2 = s; assert(s2.get() == p); assert(s.get() == 0); assert(A::count == 1); assert(B::count == 1); } assert(A::count == 0); assert(B::count == 0); }