llvm/libc/test/src/unistd/dup3_test.cpp

//===-- Unittests for dup3 ------------------------------------------------===//
//
// 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 "src/errno/libc_errno.h"
#include "src/fcntl/open.h"
#include "src/unistd/close.h"
#include "src/unistd/dup3.h"
#include "src/unistd/read.h"
#include "src/unistd/unlink.h"
#include "src/unistd/write.h"
#include "test/UnitTest/ErrnoSetterMatcher.h"
#include "test/UnitTest/Test.h"

#include <sys/stat.h>

// The tests here are exactly the same as those of dup2. We only test the
// plumbing of the dup3 syscall and not the dup3 functionality itself as it is
// a simple syscall wrapper. Testing dup3 functionality is beyond the scope of
// this test.

TEST(LlvmLibcdupTest, ReadAndWriteViaDup) { … }

TEST(LlvmLibcdupTest, DupBadFD) { … }