xref: /aosp_15_r20/external/llvm-libc/test/src/string/bzero_test.cpp (revision 71db0c75aadcf003ffe3238005f61d7618a3fead)
1 //===-- Unittests for bzero -----------------------------------------------===//
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 "memory_utils/memory_check_utils.h"
10 #include "src/__support/macros/config.h"
11 #include "src/string/bzero.h"
12 #include "test/UnitTest/Test.h"
13 
14 namespace LIBC_NAMESPACE_DECL {
15 
16 // Adapt CheckMemset signature to bzero.
Adaptor(cpp::span<char> p1,uint8_t value,size_t size)17 static inline void Adaptor(cpp::span<char> p1, uint8_t value, size_t size) {
18   LIBC_NAMESPACE::bzero(p1.begin(), size);
19 }
20 
TEST(LlvmLibcBzeroTest,SizeSweep)21 TEST(LlvmLibcBzeroTest, SizeSweep) {
22   static constexpr size_t kMaxSize = 400;
23   Buffer DstBuffer(kMaxSize);
24   for (size_t size = 0; size < kMaxSize; ++size) {
25     auto dst = DstBuffer.span().subspan(0, size);
26     ASSERT_TRUE((CheckMemset<Adaptor>(dst, 0, size)));
27   }
28 }
29 
30 } // namespace LIBC_NAMESPACE_DECL
31