22 lines
796 B
C++
22 lines
796 B
C++
//===-- Unittests for stdc_count_zeros_us ---------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "src/__support/CPP/limits.h"
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#include "src/stdbit/stdc_count_zeros_us.h"
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#include "test/UnitTest/Test.h"
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TEST(LlvmLibcStdcCountZerosUsTest, Zero) {
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EXPECT_EQ(LIBC_NAMESPACE::stdc_count_zeros_us(0U),
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static_cast<unsigned>(USHRT_WIDTH));
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}
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TEST(LlvmLibcStdcCountZerosUsTest, Ones) {
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for (unsigned i = 0U; i != USHRT_WIDTH; ++i)
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EXPECT_EQ(LIBC_NAMESPACE::stdc_count_zeros_us(USHRT_MAX >> i), i);
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}
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