libc/test/src/sys/select/select_failure_test.cpp

   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/ErrnoSetterMatcher.h"
  12 #include "test/UnitTest/Test.h"
  13
  14 #include <errno.h>
  15 #include <sys/select.h>
  16 #include <unistd.h>
  17
  18 using __llvm_libc::testing::ErrnoSetterMatcher::Fails;
  19
  20 TEST(LlvmLibcSelectTest, SelectInvalidFD) {
  21   fd_set set;
  22   FD_ZERO(&set);
  23   struct timeval timeout {
  24     0, 0
  25   };
  26   ASSERT_THAT(__llvm_libc::select(-1, &set, nullptr, nullptr, &timeout),
  27               Fails(EINVAL));
  28 }