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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 swap
#include <memory>
#include <cassert>
#include "../deleter.h"
struct A
{
int state_;
static int count;
A() : state_(0) {++count;}
explicit A(int i) : state_(i) {++count;}
A(const A& a) : state_(a.state_) {++count;}
A& operator=(const A& a) {state_ = a.state_; return *this;}
~A() {--count;}
friend bool operator==(const A& x, const A& y)
{return x.state_ == y.state_;}
};
int A::count = 0;
int main()
{
{
A* p1 = new A(1);
std::unique_ptr<A, Deleter<A> > s1(p1, Deleter<A>(1));
A* p2 = new A(2);
std::unique_ptr<A, Deleter<A> > s2(p2, Deleter<A>(2));
assert(s1.get() == p1);
assert(*s1 == A(1));
assert(s1.get_deleter().state() == 1);
assert(s2.get() == p2);
assert(*s2 == A(2));
assert(s2.get_deleter().state() == 2);
swap(s1, s2);
assert(s1.get() == p2);
assert(*s1 == A(2));
assert(s1.get_deleter().state() == 2);
assert(s2.get() == p1);
assert(*s2 == A(1));
assert(s2.get_deleter().state() == 1);
assert(A::count == 2);
}
assert(A::count == 0);
{
A* p1 = new A[3];
std::unique_ptr<A[], Deleter<A[]> > s1(p1, Deleter<A[]>(1));
A* p2 = new A[3];
std::unique_ptr<A[], Deleter<A[]> > s2(p2, Deleter<A[]>(2));
assert(s1.get() == p1);
assert(s1.get_deleter().state() == 1);
assert(s2.get() == p2);
assert(s2.get_deleter().state() == 2);
swap(s1, s2);
assert(s1.get() == p2);
assert(s1.get_deleter().state() == 2);
assert(s2.get() == p1);
assert(s2.get_deleter().state() == 1);
assert(A::count == 6);
}
assert(A::count == 0);
}
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