swap.pass.cpp revision c52f43e72dfcea03037729649da84c23b3beb04a 
1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// <utility>
11
12// template<class T>
13//   requires MoveAssignable<T> && MoveConstructible<T>
14//   void
15//   swap(T& a, T& b);
16
17#include <utility>
18#include <cassert>
19#ifdef _LIBCPP_MOVE
20#include <memory>
21#endif
22
23void
24test()
25{
26    int i = 1;
27    int j = 2;
28    std::swap(i, j);
29    assert(i == 2);
30    assert(j == 1);
31}
32
33#ifdef _LIBCPP_MOVE
34
35void
36test1()
37{
38    std::unique_ptr<int> i(new int(1));
39    std::unique_ptr<int> j(new int(2));
40    std::swap(i, j);
41    assert(*i == 2);
42    assert(*j == 1);
43}
44
45#endif  // _LIBCPP_MOVE
46
47int main()
48{
49    test();
50#ifdef _LIBCPP_MOVE
51    test1();
52#endif
53}
54