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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:
10 
11 // bool operator==(const bitset<N>& rhs) const;
12 // bool operator!=(const bitset<N>& rhs) const;
13 
14 #include <bitset>
15 #include <cassert>
16 #include <cstddef>
17 #include <vector>
18 
19 #include "../bitset_test_cases.h"
20 #include "test_macros.h"
21 
22 template <std::size_t N>
test_equality()23 void test_equality() {
24     std::vector<std::bitset<N> > const cases = get_test_cases<N>();
25     for (std::size_t c = 0; c != cases.size(); ++c) {
26         std::bitset<N> const v1 = cases[c];
27         std::bitset<N> v2 = v1;
28         assert(v1 == v2);
29         if (v1.size() > 0) {
30             v2[N/2].flip();
31             assert(v1 != v2);
32         }
33     }
34 }
35 
main(int,char **)36 int main(int, char**) {
37     test_equality<0>();
38     test_equality<1>();
39     test_equality<31>();
40     test_equality<32>();
41     test_equality<33>();
42     test_equality<63>();
43     test_equality<64>();
44     test_equality<65>();
45     test_equality<1000>();
46 
47     return 0;
48 }
49