1 | //===----------------------------------------------------------------------===// |
2 | // |
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | // See https://llvm.org/LICENSE.txt for license information. |
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | |
9 | // <vector> |
10 | // vector<bool> |
11 | |
12 | // static void swap(reference x, reference y) noexcept; |
13 | |
14 | #include <vector> |
15 | #include <cassert> |
16 | |
17 | #include "test_macros.h" |
18 | |
19 | TEST_CONSTEXPR_CXX20 bool tests() |
20 | { |
21 | |
22 | bool a[] = {false, true, false, true}; |
23 | bool* an = a + sizeof(a)/sizeof(a[0]); |
24 | |
25 | std::vector<bool> v(a, an); |
26 | std::vector<bool>::reference r1 = v[0]; |
27 | std::vector<bool>::reference r2 = v[3]; |
28 | |
29 | #if TEST_STD_VER >= 11 |
30 | static_assert((noexcept(v.swap(r1,r2))), "" ); |
31 | #endif |
32 | |
33 | assert(!r1); |
34 | assert( r2); |
35 | v.swap(r1, r2); |
36 | assert( r1); |
37 | assert(!r2); |
38 | |
39 | return true; |
40 | } |
41 | |
42 | int main(int, char**) |
43 | { |
44 | tests(); |
45 | #if TEST_STD_VER > 17 |
46 | static_assert(tests()); |
47 | #endif |
48 | return 0; |
49 | } |
50 | |