1//===-- Unittests for stdc_bit_floor_ui -----------------------------------===//
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-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "src/__support/CPP/limits.h"
10#include "src/stdbit/stdc_bit_floor_ui.h"
11#include "test/UnitTest/Test.h"
12
13TEST(LlvmLibcStdcBitfloorUiTest, Zero) {
14 EXPECT_EQ(LIBC_NAMESPACE::stdc_bit_floor_ui(0U), 0U);
15}
16
17TEST(LlvmLibcStdcBitfloorUiTest, Ones) {
18 for (unsigned i = 0U; i != LIBC_NAMESPACE::cpp::numeric_limits<int>::digits;
19 ++i)
20 EXPECT_EQ(
21 LIBC_NAMESPACE::stdc_bit_floor_ui(
22 LIBC_NAMESPACE::cpp::numeric_limits<unsigned int>::max() >> i),
23 1U << (LIBC_NAMESPACE::cpp::numeric_limits<unsigned int>::digits - i -
24 1));
25}
26

source code of libc/test/src/stdbit/stdc_bit_floor_ui_test.cpp