| //===-- Unittests for stdc_bit_ceil_ull -----------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "src/__support/CPP/limits.h" |
| #include "src/stdbit/stdc_bit_ceil_ull.h" |
| #include "test/UnitTest/Test.h" |
| |
| TEST(LlvmLibcStdcBitceilUllTest, Zero) { |
| EXPECT_EQ(LIBC_NAMESPACE::stdc_bit_ceil_ull(0ULL), 1ULL); |
| } |
| |
| TEST(LlvmLibcStdcBitceilUllTest, Ones) { |
| for (unsigned i = 0U; i != ULLONG_WIDTH; ++i) |
| EXPECT_EQ(LIBC_NAMESPACE::stdc_bit_ceil_ull(1ULL << i), 1ULL << i); |
| } |
| |
| TEST(LlvmLibcStdcBitceilUllTest, OneLessThanPowsTwo) { |
| for (unsigned i = 2U; i != ULLONG_WIDTH; ++i) |
| EXPECT_EQ(LIBC_NAMESPACE::stdc_bit_ceil_ull((1ULL << i) - 1), 1ULL << i); |
| } |
| |
| TEST(LlvmLibcStdcBitceilUllTest, OneMoreThanPowsTwo) { |
| for (unsigned i = 1U; i != ULLONG_WIDTH - 1; ++i) |
| EXPECT_EQ(LIBC_NAMESPACE::stdc_bit_ceil_ull((1ULL << i) + 1), |
| 1ULL << (i + 1)); |
| } |