| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // test bitset<N>& flip(size_t pos); |
| |
| #include <bitset> |
| #include <cassert> |
| #include <cstddef> |
| #include <vector> |
| |
| #include "../bitset_test_cases.h" |
| #include "test_macros.h" |
| |
| template <std::size_t N> |
| void test_flip_one() { |
| std::vector<std::bitset<N> > const cases = get_test_cases<N>(); |
| for (std::size_t c = 0; c != cases.size(); ++c) { |
| std::bitset<N> v = cases[c]; |
| if (v.size() > 0) { |
| std::size_t middle = v.size() / 2; |
| v.flip(middle); |
| bool b = v[middle]; |
| assert(v[middle] == b); |
| v.flip(middle); |
| assert(v[middle] != b); |
| v.flip(middle); |
| assert(v[middle] == b); |
| } |
| } |
| } |
| |
| int main(int, char**) { |
| test_flip_one<0>(); |
| test_flip_one<1>(); |
| test_flip_one<31>(); |
| test_flip_one<32>(); |
| test_flip_one<33>(); |
| test_flip_one<63>(); |
| test_flip_one<64>(); |
| test_flip_one<65>(); |
| test_flip_one<1000>(); |
| |
| return 0; |
| } |