| //===----------------------------------------------------------------------===// |
| // |
| // 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 the __XXXX routines in the <bit> header. |
| // These are not supposed to be exhaustive tests, just sanity checks. |
| |
| #include <__cxx03/__bit/countl.h> |
| #include <__cxx03/__bit/rotate.h> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| |
| TEST_CONSTEXPR_CXX14 bool test() { |
| const unsigned v = 0x12345678; |
| |
| ASSERT_SAME_TYPE(unsigned, decltype(std::__rotr(v, 3))); |
| ASSERT_SAME_TYPE(int, decltype(std::__countl_zero(v))); |
| |
| assert(std::__rotr(v, 3) == 0x02468acfU); |
| assert(std::__countl_zero(v) == 3); |
| |
| return true; |
| } |
| |
| int main(int, char**) { |
| test(); |
| #if TEST_STD_VER > 11 |
| static_assert(test(), ""); |
| #endif |
| |
| return 0; |
| } |
