xref: /aosp_15_r20/external/llvm-libc/test/src/sys/select/select_failure_test.cpp (revision 71db0c75aadcf003ffe3238005f61d7618a3fead)
1 //===-- Failure unittests for select --------------------------------------===//
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/select/select.h"
10 #include "src/unistd/read.h"
11 #include "test/UnitTest/ErrnoSetterMatcher.h"
12 #include "test/UnitTest/Test.h"
13 
14 #include <sys/select.h>
15 #include <unistd.h>
16 
17 using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails;
18 
TEST(LlvmLibcSelectTest,SelectInvalidFD)19 TEST(LlvmLibcSelectTest, SelectInvalidFD) {
20   fd_set set;
21   FD_ZERO(&set);
22   struct timeval timeout {
23     0, 0
24   };
25   ASSERT_THAT(LIBC_NAMESPACE::select(-1, &set, nullptr, nullptr, &timeout),
26               Fails(EINVAL));
27 }
28