1 //===----------------------------------------------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 // <array>
11
12 // template <class T, size_t N> void swap(array<T,N>& x, array<T,N>& y);
13
14 #include <array>
15 #include <cassert>
16
17 #include "../suppress_array_warnings.h"
18
main()19 int main()
20 {
21 {
22 typedef double T;
23 typedef std::array<T, 3> C;
24 C c1 = {1, 2, 3.5};
25 C c2 = {4, 5, 6.5};
26 swap(c1, c2);
27 assert(c1.size() == 3);
28 assert(c1[0] == 4);
29 assert(c1[1] == 5);
30 assert(c1[2] == 6.5);
31 assert(c2.size() == 3);
32 assert(c2[0] == 1);
33 assert(c2[1] == 2);
34 assert(c2[2] == 3.5);
35 }
36 {
37 typedef double T;
38 typedef std::array<T, 0> C;
39 C c1 = {};
40 C c2 = {};
41 swap(c1, c2);
42 assert(c1.size() == 0);
43 assert(c2.size() == 0);
44 }
45 }
46