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//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// test move
#include <utility>
#include <cassert>
int copy_ctor = 0;
int move_ctor = 0;
class A
{
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
#else
#endif
public:
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
A(const A&) {++copy_ctor;}
A& operator=(const A&);
A(A&&) {++move_ctor;}
A& operator=(A&&);
#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES
A(const A&) {++copy_ctor;}
A& operator=(A&);
operator std::__rv<A> () {return std::__rv<A>(*this);}
A(std::__rv<A>) {++move_ctor;}
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
A() {}
};
A source() {return A();}
const A csource() {return A();}
void test(A) {}
int main()
{
A a;
const A ca = A();
assert(copy_ctor == 0);
assert(move_ctor == 0);
A a2 = a;
assert(copy_ctor == 1);
assert(move_ctor == 0);
A a3 = std::move(a);
assert(copy_ctor == 1);
assert(move_ctor == 1);
A a4 = ca;
assert(copy_ctor == 2);
assert(move_ctor == 1);
A a5 = std::move(ca);
assert(copy_ctor == 3);
assert(move_ctor == 1);
}
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