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 
11 // reference& operator=(bool)
12 
13 #include <cassert>
14 #include <vector>
15 
16 bool test() {
17   std::vector<bool> vec;
18   typedef std::vector<bool>::reference Ref;
19   vec.push_back(true);
20   vec.push_back(false);
21   Ref ref = vec[0];
22   const Ref cref = vec[0];
23 
24   assert(ref);
25   ref = false;
26   assert(!vec[0]);
27   assert(!vec[1]);
28   ref = true;
29   assert(vec[0]);
30   assert(!vec[1]);
31 
32   assert(cref);
33 
34   return true;
35 }
36 
37 int main(int, char**) {
38   test();
39 
40   return 0;
41 }
42