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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 size_t count() const;
10 
11 #include <bitset>
12 #include <cassert>
13 #include <cstddef>
14 #include <vector>
15 
16 #include "../bitset_test_cases.h"
17 #include "test_macros.h"
18 
19 template <std::size_t N>
test_count()20 void test_count() {
21     std::vector<std::bitset<N> > const cases = get_test_cases<N>();
22     for (std::size_t c = 0; c != cases.size(); ++c) {
23         const std::bitset<N> v = cases[c];
24         std::size_t c1 = v.count();
25         std::size_t c2 = 0;
26         for (std::size_t i = 0; i < v.size(); ++i)
27             if (v[i])
28                 ++c2;
29         assert(c1 == c2);
30     }
31 }
32 
main(int,char **)33 int main(int, char**) {
34     test_count<0>();
35     test_count<1>();
36     test_count<31>();
37     test_count<32>();
38     test_count<33>();
39     test_count<63>();
40     test_count<64>();
41     test_count<65>();
42     test_count<1000>();
43 
44     return 0;
45 }
46