1 /*
2 * Copyright (C) 2017 The Android Open Source Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in
12 * the documentation and/or other materials provided with the
13 * distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <gtest/gtest.h>
30
31 #include <errno.h>
32 #include <poll.h>
33
TEST(poll,poll_null_fds)34 TEST(poll, poll_null_fds) {
35 // Because nanosleep(2) is relatively new to POSIX, code sometimes abuses poll.
36 errno = 0;
37 ASSERT_EQ(0, poll(nullptr, 0, 1));
38 ASSERT_EQ(0, errno);
39 }
40
TEST(poll,ppoll_null_fds)41 TEST(poll, ppoll_null_fds) {
42 // Because nanosleep(2) is relatively new to POSIX, code sometimes abuses poll.
43 errno = 0;
44 timespec ts = { .tv_nsec = 100 };
45 ASSERT_EQ(0, ppoll(nullptr, 0, &ts, nullptr));
46 ASSERT_EQ(0, errno);
47 }
48
TEST(poll,ppoll64_null_fds)49 TEST(poll, ppoll64_null_fds) {
50 #if __BIONIC__
51 // Because nanosleep(2) is relatively new to POSIX, code sometimes abuses poll.
52 errno = 0;
53 timespec ts = { .tv_nsec = 100 };
54 ASSERT_EQ(0, ppoll64(nullptr, 0, &ts, nullptr));
55 ASSERT_EQ(0, errno);
56 #endif
57 }
58