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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.
//
//===----------------------------------------------------------------------===//
// <memory>
// unique_ptr
// Test unique_ptr move assignment
// test move assignment. 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;
int main()
{
{
std::unique_ptr<A> s1(new A);
A* p = s1.get();
std::unique_ptr<A> s2(new A);
assert(A::count == 2);
s2 = std::move(s1);
assert(A::count == 1);
assert(s2.get() == p);
assert(s1.get() == 0);
}
assert(A::count == 0);
{
std::unique_ptr<A, Deleter<A> > s1(new A, Deleter<A>(5));
A* p = s1.get();
std::unique_ptr<A, Deleter<A> > s2(new A);
assert(A::count == 2);
s2 = std::move(s1);
assert(s2.get() == p);
assert(s1.get() == 0);
assert(A::count == 1);
assert(s2.get_deleter().state() == 5);
assert(s1.get_deleter().state() == 0);
}
assert(A::count == 0);
{
CDeleter<A> d1(5);
std::unique_ptr<A, CDeleter<A>&> s1(new A, d1);
A* p = s1.get();
CDeleter<A> d2(6);
std::unique_ptr<A, CDeleter<A>&> s2(new A, d2);
s2 = std::move(s1);
assert(s2.get() == p);
assert(s1.get() == 0);
assert(A::count == 1);
assert(d1.state() == 5);
assert(d2.state() == 5);
}
assert(A::count == 0);
}
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