22 lines · cpp
1//===-- Unittests for stdc_bit_floor_ull ----------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "src/__support/CPP/limits.h"10#include "src/stdbit/stdc_bit_floor_ull.h"11#include "test/UnitTest/Test.h"12 13TEST(LlvmLibcStdcBitfloorUllTest, Zero) {14 EXPECT_EQ(LIBC_NAMESPACE::stdc_bit_floor_ull(0ULL), 0ULL);15}16 17TEST(LlvmLibcStdcBitfloorUllTest, Ones) {18 for (unsigned i = 0U; i != ULLONG_WIDTH; ++i)19 EXPECT_EQ(LIBC_NAMESPACE::stdc_bit_floor_ull(ULLONG_MAX >> i),20 1ULL << (ULLONG_WIDTH - i - 1));21}22