xref: /aosp_15_r20/external/llvm-libc/test/src/sys/wait/waitpid_test.cpp (revision 71db0c75aadcf003ffe3238005f61d7618a3fead) 
1 //===-- Unittests for waitpid ---------------------------------------------===//
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/waitpid.h"
10 #include "test/UnitTest/ErrnoSetterMatcher.h"
11 #include "test/UnitTest/Test.h"
12 
13 #include <sys/wait.h>
14 
15 // The test here is a simpl test for WNOHANG functionality. For a more
16 // involved test, look at fork_test.
17 
TEST(LlvmLibcWaitPidTest,NoHangTest)18 TEST(LlvmLibcWaitPidTest, NoHangTest) {
19   using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails;
20   int status;
21   ASSERT_THAT(LIBC_NAMESPACE::waitpid(-1, &status, WNOHANG), Fails(ECHILD));
22 }
23