edbd93d370
All of the functions I've previously implemented return an unsigned int; not the parameter type.
24 lines
866 B
C++
24 lines
866 B
C++
//===-- Unittests for stdc_leading_zeros_ull ------------------------------===//
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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_leading_zeros_ull.h"
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#include "test/UnitTest/Test.h"
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#include <stddef.h>
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TEST(LlvmLibcStdcLeadingZerosUllTest, Zero) {
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EXPECT_EQ(LIBC_NAMESPACE::stdc_leading_zeros_ull(0ULL),
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static_cast<unsigned>(ULLONG_WIDTH));
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}
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TEST(LlvmLibcStdcLeadingZerosUllTest, OneHot) {
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for (unsigned i = 0U; i != ULLONG_WIDTH; ++i)
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EXPECT_EQ(LIBC_NAMESPACE::stdc_leading_zeros_ull(1ULL << i),
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ULLONG_WIDTH - i - 1U);
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}
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