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//===----------------------------------------------------------------------===//
//
// 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>::reference operator[](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_index() {
std::vector<std::bitset<N> > const cases = get_test_cases<N>();
for (std::size_t c = 0; c != cases.size(); ++c) {
std::bitset<N> v1 = cases[c];
if (v1.size() > 0) {
assert(v1[N/2] == v1.test(N/2));
typename std::bitset<N>::reference r = v1[N/2];
assert(r == v1.test(N/2));
typename std::bitset<N>::reference r2 = v1[N/2];
r = r2;
assert(r == v1.test(N/2));
r = false;
assert(r == false);
assert(v1.test(N/2) == false);
r = true;
assert(r == true);
assert(v1.test(N/2) == true);
bool b = ~r;
assert(r == true);
assert(v1.test(N/2) == true);
assert(b == false);
r.flip();
assert(r == false);
assert(v1.test(N/2) == false);
}
ASSERT_SAME_TYPE(decltype(v1[0]), typename std::bitset<N>::reference);
}
}
int main(int, char**) {
test_index<0>();
test_index<1>();
test_index<31>();
test_index<32>();
test_index<33>();
test_index<63>();
test_index<64>();
test_index<65>();
test_index<1000>();
std::bitset<1> set;
set[0] = false;
auto b = set[0];
set[0] = true;
assert(b);
return 0;
}
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