| 1 | //===-- Unittests for wait4 -----------------------------------------------===// |
| 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 "src/sys/wait/wait4.h" |
| 10 | #include "test/UnitTest/ErrnoCheckingTest.h" |
| 11 | #include "test/UnitTest/ErrnoSetterMatcher.h" |
| 12 | #include "test/UnitTest/Test.h" |
| 13 | |
| 14 | #include <sys/wait.h> |
| 15 | |
| 16 | using namespace LIBC_NAMESPACE::testing::ErrnoSetterMatcher; |
| 17 | using LlvmLibcWait4Test = LIBC_NAMESPACE::testing::ErrnoCheckingTest; |
| 18 | |
| 19 | // The test here is a simpl test for WNOHANG functionality. For a more |
| 20 | // involved test, look at fork_test. |
| 21 | |
| 22 | TEST_F(LlvmLibcWait4Test, NoHangTest) { |
| 23 | int status; |
| 24 | ASSERT_THAT(LIBC_NAMESPACE::wait4(-1, &status, WNOHANG, nullptr), |
| 25 | Fails(ECHILD)); |
| 26 | } |
| 27 | |