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 // std::find with vector<bool>::iterator
13 
14 // https://bugs.llvm.org/show_bug.cgi?id=16816
15 
16 #include <vector>
17 #include <algorithm>
18 #include <cassert>
19 #include <cstddef>
20 
21 int main(int, char**)
22 {
23     {
24         for (unsigned i = 1; i < 256; ++i)
25         {
26             std::vector<bool> b(i,true);
27             std::vector<bool>::iterator j = std::find(b.begin()+1, b.end(), false);
28             assert(static_cast<std::size_t>(j-b.begin()) == i);
29             assert(b.end() == j);
30         }
31     }
32     {
33         for (unsigned i = 1; i < 256; ++i)
34         {
35             std::vector<bool> b(i,false);
36             std::vector<bool>::iterator j = std::find(b.begin()+1, b.end(), true);
37             assert(static_cast<std::size_t>(j-b.begin()) == i);
38             assert(b.end() == j);
39         }
40     }
41 
42   return 0;
43 }
44