11952073af
(aarch64 kernels don't have these system calls.) Change-Id: I6f64075aa412f71520f2df71c3d69b647f91c1ca
114 lines
2.6 KiB
C++
114 lines
2.6 KiB
C++
/*
|
|
* Copyright (C) 2013 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#include <gtest/gtest.h>
|
|
|
|
#include <errno.h>
|
|
#include <stdlib.h>
|
|
#include <sys/select.h>
|
|
|
|
TEST(sys_select, fd_set_smoke) {
|
|
fd_set fds;
|
|
FD_ZERO(&fds);
|
|
|
|
for (size_t i = 0; i < 1024; ++i) {
|
|
EXPECT_FALSE(FD_ISSET(i, &fds));
|
|
}
|
|
|
|
FD_SET(0, &fds);
|
|
EXPECT_TRUE(FD_ISSET(0, &fds));
|
|
EXPECT_FALSE(FD_ISSET(1, &fds));
|
|
FD_SET(1, &fds);
|
|
EXPECT_TRUE(FD_ISSET(0, &fds));
|
|
EXPECT_TRUE(FD_ISSET(1, &fds));
|
|
FD_CLR(0, &fds);
|
|
EXPECT_FALSE(FD_ISSET(0, &fds));
|
|
EXPECT_TRUE(FD_ISSET(1, &fds));
|
|
FD_CLR(1, &fds);
|
|
EXPECT_FALSE(FD_ISSET(0, &fds));
|
|
EXPECT_FALSE(FD_ISSET(1, &fds));
|
|
}
|
|
|
|
TEST(sys_select, select_smoke) {
|
|
fd_set r;
|
|
FD_ZERO(&r);
|
|
fd_set w;
|
|
FD_ZERO(&w);
|
|
fd_set e;
|
|
FD_ZERO(&e);
|
|
|
|
FD_SET(STDIN_FILENO, &r);
|
|
FD_SET(STDOUT_FILENO, &w);
|
|
FD_SET(STDERR_FILENO, &w);
|
|
|
|
int max = STDERR_FILENO + 1;
|
|
|
|
// Invalid max fd.
|
|
ASSERT_EQ(-1, select(-1, &r, &w, &e, NULL));
|
|
ASSERT_EQ(EINVAL, errno);
|
|
|
|
ASSERT_EQ(2, select(max, &r, &w, &e, NULL));
|
|
|
|
// Invalid timeout.
|
|
timeval tv;
|
|
tv.tv_sec = -1;
|
|
tv.tv_usec = 0;
|
|
ASSERT_EQ(-1, select(max, &r, &w, &e, &tv));
|
|
ASSERT_EQ(EINVAL, errno);
|
|
|
|
// Valid timeout...
|
|
tv.tv_sec = 1;
|
|
ASSERT_EQ(2, select(max, &r, &w, &e, &tv));
|
|
ASSERT_NE(0, tv.tv_usec); // ...which got updated.
|
|
}
|
|
|
|
TEST(sys_select, pselect_smoke) {
|
|
sigset_t ss;
|
|
sigemptyset(&ss);
|
|
sigaddset(&ss, SIGPIPE);
|
|
|
|
fd_set r;
|
|
FD_ZERO(&r);
|
|
fd_set w;
|
|
FD_ZERO(&w);
|
|
fd_set e;
|
|
FD_ZERO(&e);
|
|
|
|
FD_SET(STDIN_FILENO, &r);
|
|
FD_SET(STDOUT_FILENO, &w);
|
|
FD_SET(STDERR_FILENO, &w);
|
|
|
|
int max = STDERR_FILENO + 1;
|
|
|
|
// Invalid max fd.
|
|
ASSERT_EQ(-1, pselect(-1, &r, &w, &e, NULL, &ss));
|
|
ASSERT_EQ(EINVAL, errno);
|
|
|
|
ASSERT_EQ(2, pselect(max, &r, &w, &e, NULL, &ss));
|
|
|
|
// Invalid timeout.
|
|
timespec tv;
|
|
tv.tv_sec = -1;
|
|
tv.tv_nsec = 0;
|
|
ASSERT_EQ(-1, pselect(max, &r, &w, &e, &tv, &ss));
|
|
ASSERT_EQ(EINVAL, errno);
|
|
|
|
// Valid timeout...
|
|
tv.tv_sec = 1;
|
|
ASSERT_EQ(2, pselect(max, &r, &w, &e, &tv, &ss));
|
|
ASSERT_EQ(0, tv.tv_nsec); // ...which did _not_ get updated.
|
|
}
|