not_all.pass.cpp revision f5256e16dfc425c1d466f6308d4026d529ce9e0b 
1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// test bitset<N> operator~() const;
11
12#include <bitset>
13#include <cstdlib>
14#include <cassert>
15
16template <std::size_t N>
17std::bitset<N>
18make_bitset()
19{
20    std::bitset<N> v;
21    for (std::size_t i = 0; i < N; ++i)
22        v[i] = static_cast<bool>(std::rand() & 1);
23    return v;
24}
25
26template <std::size_t N>
27void test_not_all()
28{
29    std::bitset<N> v1 = make_bitset<N>();
30    std::bitset<N> v2 = ~v1;
31    for (std::size_t i = 0; i < N; ++i)
32        assert(v2[i] == ~v1[i]);
33}
34
35int main()
36{
37    test_not_all<0>();
38    test_not_all<1>();
39    test_not_all<31>();
40    test_not_all<32>();
41    test_not_all<33>();
42    test_not_all<63>();
43    test_not_all<64>();
44    test_not_all<65>();
45    test_not_all<1000>();
46}
47