libc/test/src/string/memset_explicit_test.cpp

   1 //===-- Unittests for memset_explicit -------------------------------------===//
   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/memset_explicit.h"
  12 #include "test/UnitTest/Test.h"
  13
  14 namespace LIBC_NAMESPACE_DECL {
  15
  16 // Apply the same tests as memset
  17
  18 static inline void Adaptor(cpp::span<char> p1, uint8_t value, size_t size) {
  19   LIBC_NAMESPACE::memset_explicit(p1.begin(), value, size);
  20 }
  21
  22 TEST(LlvmLibcmemsetExplicitTest, SizeSweep) {
  23   static constexpr size_t kMaxSize = 400;
  24   Buffer DstBuffer(kMaxSize);
  25   for (size_t size = 0; size < kMaxSize; ++size) {
  26     const char value = size % 10;
  27     auto dst = DstBuffer.span().subspan(0, size);
  28     ASSERT_TRUE((CheckMemset<Adaptor>(dst, value, size)));
  29   }
  30 }
  31
  32 } // namespace LIBC_NAMESPACE_DECL