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 // test bool all() const;
10 
11 #include <bitset>
12 #include <type_traits>
13 #include <cassert>
14 
15 #include "test_macros.h"
16 
17 template <std::size_t N>
18 void test_all()
19 {
20     std::bitset<N> v;
21     v.reset();
22     assert(v.all() == (N == 0));
23     v.set();
24     assert(v.all() == true);
25     const bool greater_than_1 = std::integral_constant<bool, (N > 1)>::value; // avoid compiler warnings
26     if (greater_than_1)
27     {
28         v[N/2] = false;
29         assert(v.all() == false);
30     }
31 }
32 
33 int main(int, char**)
34 {
35     test_all<0>();
36     test_all<1>();
37     test_all<31>();
38     test_all<32>();
39     test_all<33>();
40     test_all<63>();
41     test_all<64>();
42     test_all<65>();
43     test_all<1000>();
44 
45   return 0;
46 }
47