7bc5eaa02f
- stdbit.stdc_leading_zeros_uc - stdbit.stdc_leading_zeros_us - stdbit.stdc_leading_zeros_ui - stdbit.stdc_leading_zeros_ul - stdbit.stdc_leading_zeros_ull Test via: $ ninja libc-stdbit-tests libc_include_tests
36 lines
1.5 KiB
C++
36 lines
1.5 KiB
C++
//===-- Unittests for stdbit ----------------------------------------------===//
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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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// SPDSList-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "test/UnitTest/Test.h"
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#include <stdbit.h>
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/*
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* The intent of this test is validate that:
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* 1. We provide the definition of the various type generic macros of stdbit.h.
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* 2. It dispatches to the correct underlying function.
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* Because unit tests build without public packaging, the object files produced
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* do not contain non-namespaced symbols.
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*/
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unsigned char stdc_leading_zeros_uc(unsigned char) { return 0xAA; }
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unsigned short stdc_leading_zeros_us(unsigned short) { return 0xAB; }
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unsigned stdc_leading_zeros_ui(unsigned) { return 0xAC; }
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unsigned long stdc_leading_zeros_ul(unsigned long) { return 0xAD; }
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unsigned long long stdc_leading_zeros_ull(unsigned long long) { return 0xAF; }
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TEST(LlvmLibcStdbitTest, TypeGenericMacro) {
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EXPECT_EQ(stdc_leading_zeros(static_cast<unsigned char>(0U)),
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static_cast<unsigned char>(0xAA));
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EXPECT_EQ(stdc_leading_zeros(static_cast<unsigned short>(0U)),
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static_cast<unsigned short>(0xAB));
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EXPECT_EQ(stdc_leading_zeros(0U), static_cast<unsigned>(0xAC));
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EXPECT_EQ(stdc_leading_zeros(0UL), static_cast<unsigned long>(0xAD));
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EXPECT_EQ(stdc_leading_zeros(0ULL), static_cast<unsigned long long>(0xAF));
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}
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