bionic/tests/pty_test.cpp

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/*
* Copyright (C) 2014 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 <pty.h>
#include <sys/ioctl.h>
TEST(pty, openpty) {
int master, slave;
char name[32];
struct winsize w = { 123, 456, 9999, 999 };
ASSERT_EQ(0, openpty(&master, &slave, name, NULL, &w));
ASSERT_NE(-1, master);
ASSERT_NE(-1, slave);
ASSERT_NE(master, slave);
char tty_name[32];
ASSERT_EQ(0, ttyname_r(slave, tty_name, sizeof(tty_name)));
ASSERT_STREQ(tty_name, name);
struct winsize w_actual;
ASSERT_EQ(0, ioctl(slave, TIOCGWINSZ, &w_actual));
ASSERT_EQ(w_actual.ws_row, w.ws_row);
ASSERT_EQ(w_actual.ws_col, w.ws_col);
ASSERT_EQ(w_actual.ws_xpixel, w.ws_xpixel);
ASSERT_EQ(w_actual.ws_ypixel, w.ws_ypixel);
close(master);
close(slave);
}
TEST(pty, forkpty) {
pid_t sid = getsid(0);
int master;
pid_t pid = forkpty(&master, NULL, NULL, NULL);
ASSERT_NE(-1, pid);
if (pid == 0) {
// We're the child.
ASSERT_NE(sid, getsid(0));
_exit(0);
}
ASSERT_EQ(sid, getsid(0));
int status;
ASSERT_EQ(pid, waitpid(pid, &status, 0));
ASSERT_TRUE(WIFEXITED(status));
ASSERT_EQ(0, WEXITSTATUS(status));
close(master);
}