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//===-- Unittests for memcpy ----------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "memory_utils/memory_check_utils.h"
#include "src/string/memcpy.h"
#include "test/UnitTest/Test.h"
namespace __llvm_libc {
// Adapt CheckMemcpy signature to op implementation signatures.
template <auto FnImpl>
void CopyAdaptor(cpp::span<char> dst, cpp::span<char> src, size_t size) {
FnImpl(dst.begin(), src.begin(), size);
}
TEST(LlvmLibcMemcpyTest, SizeSweep) {
static constexpr size_t kMaxSize = 1024;
static constexpr auto Impl = CopyAdaptor<__llvm_libc::memcpy>;
Buffer SrcBuffer(kMaxSize);
Buffer DstBuffer(kMaxSize);
Randomize(SrcBuffer.span());
for (size_t size = 0; size < kMaxSize; ++size) {
auto src = SrcBuffer.span().subspan(0, size);
auto dst = DstBuffer.span().subspan(0, size);
ASSERT_TRUE(CheckMemcpy<Impl>(dst, src, size));
}
}
} // namespace __llvm_libc
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