db8a88fef8
Add an implementation for memccpy and mempcpy. These functions are posix extensions for the moment. Reviewed By: lntue Differential Revision: https://reviews.llvm.org/D111762
29 lines
1.0 KiB
C++
29 lines
1.0 KiB
C++
//===-- Unittests for mempcpy ---------------------------------------------===//
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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/string/mempcpy.h"
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#include "utils/UnitTest/Test.h"
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// Since this function just calls out to memcpy, and memcpy has its own unit
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// tests, it is assumed that memcpy works. These tests are just for the specific
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// mempcpy behavior (returning the end of what was copied).
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TEST(LlvmLibcMempcpyTest, Simple) {
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const char *src = "12345";
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char dest[10];
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void *result = __llvm_libc::mempcpy(dest, src, 6);
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ASSERT_EQ(static_cast<char *>(result), dest + 6);
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ASSERT_STREQ(src, dest);
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}
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TEST(LlvmLibcMempcpyTest, ZeroCount) {
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const char *src = "12345";
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char dest[10];
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void *result = __llvm_libc::mempcpy(dest, src, 0);
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ASSERT_EQ(static_cast<char *>(result), dest);
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}
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