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/ErrnoSetterMatcher.h" |
11 | #include "test/UnitTest/Test.h" |
12 | |
13 | #include <errno.h> |
14 | #include <sys/wait.h> |
15 | |
16 | // The test here is a simpl test for WNOHANG functionality. For a more |
17 | // involved test, look at fork_test. |
18 | |
19 | TEST(LlvmLibcwait4Test, NoHangTest) { |
20 | using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails; |
21 | int status; |
22 | ASSERT_THAT(LIBC_NAMESPACE::wait4(-1, &status, WNOHANG, nullptr), |
23 | Fails(ECHILD)); |
24 | } |
25 | |