| //===----------------------------------------------------------------------===// |
| // |
| // 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(unsigned long long val); |
| |
| #include <bitset> |
| #include <cassert> |
| #include <algorithm> // for 'min' and 'max' |
| #include <cstddef> |
| |
| #include "test_macros.h" |
| |
| #if defined(TEST_COMPILER_C1XX) |
| #pragma warning(disable: 6294) // Ill-defined for-loop: initial condition does not satisfy test. Loop body not executed. |
| #endif |
| |
| template <std::size_t N> |
| void test_val_ctor() |
| { |
| { |
| TEST_CONSTEXPR std::bitset<N> v(0xAAAAAAAAAAAAAAAAULL); |
| assert(v.size() == N); |
| std::size_t M = std::min<std::size_t>(v.size(), 64); |
| for (std::size_t i = 0; i < M; ++i) |
| assert(v[i] == ((i & 1) != 0)); |
| for (std::size_t i = M; i < v.size(); ++i) |
| assert(v[i] == false); |
| } |
| #if TEST_STD_VER >= 11 |
| { |
| constexpr std::bitset<N> v(0xAAAAAAAAAAAAAAAAULL); |
| static_assert(v.size() == N, ""); |
| } |
| #endif |
| } |
| |
| int main(int, char**) |
| { |
| test_val_ctor<0>(); |
| test_val_ctor<1>(); |
| test_val_ctor<31>(); |
| test_val_ctor<32>(); |
| test_val_ctor<33>(); |
| test_val_ctor<63>(); |
| test_val_ctor<64>(); |
| test_val_ctor<65>(); |
| test_val_ctor<1000>(); |
| |
| return 0; |
| } |