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
34 #include "utils.h"
35
TEST(poll,poll_null_fds)36 TEST(poll, poll_null_fds) {
37 // Because nanosleep(2) is relatively new to POSIX, code sometimes abuses poll.
38 errno = 0;
39 ASSERT_EQ(0, poll(nullptr, 0, 1));
40 ASSERT_ERRNO(0);
41 }
42
TEST(poll,ppoll_null_fds)43 TEST(poll, ppoll_null_fds) {
44 // Because nanosleep(2) is relatively new to POSIX, code sometimes abuses poll.
45 errno = 0;
46 timespec ts = { .tv_nsec = 100 };
47 ASSERT_EQ(0, ppoll(nullptr, 0, &ts, nullptr));
48 ASSERT_ERRNO(0);
49 }
50
TEST(poll,ppoll64_null_fds)51 TEST(poll, ppoll64_null_fds) {
52 #if defined(__BIONIC__)
53 // Because nanosleep(2) is relatively new to POSIX, code sometimes abuses poll.
54 errno = 0;
55 timespec ts = { .tv_nsec = 100 };
56 ASSERT_EQ(0, ppoll64(nullptr, 0, &ts, nullptr));
57 ASSERT_ERRNO(0);
58 #endif
59 }
60