1//===-- Unittests for stdc_bit_ceil_uc ------------------------------------===//
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_ceil_uc.h"
11#include "test/UnitTest/Test.h"
12
13TEST(LlvmLibcStdcBitceilUcTest, Zero) {
14 EXPECT_EQ(LIBC_NAMESPACE::stdc_bit_ceil_uc(0U),
15 static_cast<unsigned char>(1));
16}
17
18TEST(LlvmLibcStdcBitceilUcTest, Ones) {
19 for (unsigned i = 0U; i != UCHAR_WIDTH; ++i)
20 EXPECT_EQ(
21 LIBC_NAMESPACE::stdc_bit_ceil_uc(static_cast<unsigned char>(1U << i)),
22 static_cast<unsigned char>(1U << i));
23}
24
25TEST(LlvmLibcStdcBitceilUcTest, OneLessThanPowsTwo) {
26 for (unsigned i = 2U; i != UCHAR_WIDTH; ++i)
27 EXPECT_EQ(LIBC_NAMESPACE::stdc_bit_ceil_uc(
28 static_cast<unsigned char>((1U << i) - 1)),
29 static_cast<unsigned char>(1U << i));
30}
31
32TEST(LlvmLibcStdcBitceilUcTest, OneMoreThanPowsTwo) {
33 for (unsigned i = 1U; i != UCHAR_WIDTH - 1; ++i)
34 EXPECT_EQ(LIBC_NAMESPACE::stdc_bit_ceil_uc(
35 static_cast<unsigned char>((1U << i) + 1)),
36 static_cast<unsigned char>(1U << (i + 1)));
37}
38

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