xref: /aosp_15_r20/external/llvm-libc/test/src/unistd/pipe2_test.cpp (revision 71db0c75aadcf003ffe3238005f61d7618a3fead)
1 //===-- Unittests for pipe2 -----------------------------------------------===//
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 #include "src/errno/libc_errno.h"
9 #include "src/unistd/close.h"
10 #include "src/unistd/pipe2.h"
11 
12 #include "test/UnitTest/ErrnoSetterMatcher.h"
13 #include "test/UnitTest/Test.h"
14 
15 using namespace LIBC_NAMESPACE::testing::ErrnoSetterMatcher;
16 
TEST(LlvmLibcPipe2Test,SmokeTest)17 TEST(LlvmLibcPipe2Test, SmokeTest) {
18   int pipefd[2];
19   ASSERT_THAT(LIBC_NAMESPACE::pipe2(pipefd, 0), Succeeds());
20   ASSERT_THAT(LIBC_NAMESPACE::close(pipefd[0]), Succeeds());
21   ASSERT_THAT(LIBC_NAMESPACE::close(pipefd[1]), Succeeds());
22 }
23 
TEST(LlvmLibcPipe2ErrTest,SmokeTest)24 TEST(LlvmLibcPipe2ErrTest, SmokeTest) {
25   int pipefd[2];
26   ASSERT_THAT(LIBC_NAMESPACE::pipe2(pipefd, -1), Fails(EINVAL));
27   ASSERT_THAT(LIBC_NAMESPACE::pipe2(nullptr, 0), Fails(EFAULT));
28 }
29