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/*
* Copyright (C) 2017 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <gtest/gtest.h>
#include <errno.h>
#include <poll.h>
TEST(poll, poll_null_fds) {
// Because nanosleep(2) is relatively new to POSIX, code sometimes abuses poll.
errno = 0;
ASSERT_EQ(0, poll(nullptr, 0, 1));
ASSERT_EQ(0, errno);
}
TEST(poll, ppoll_null_fds) {
// Because nanosleep(2) is relatively new to POSIX, code sometimes abuses poll.
errno = 0;
timespec ts = { .tv_nsec = 100 };
ASSERT_EQ(0, ppoll(nullptr, 0, &ts, nullptr));
ASSERT_EQ(0, errno);
}
TEST(poll, ppoll64_null_fds) {
#if __BIONIC__
// Because nanosleep(2) is relatively new to POSIX, code sometimes abuses poll.
errno = 0;
timespec ts = { .tv_nsec = 100 };
ASSERT_EQ(0, ppoll64(nullptr, 0, &ts, nullptr));
ASSERT_EQ(0, errno);
#endif
}