kernel_liteos_a/testsuites/unittest/signal/smoke/mkfifo_test_002.cpp

128 lines
4.4 KiB
C++

/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. 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.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* 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 HOLDER 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 "it_test_signal.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
static const int NAME_BUF_SIZE = 500;
static const int FAULT1 = 6;
static const int FAULT2 = 7;
static int TestMkfifoReturn()
{
int retValue, i;
int status = 0;
pid_t pid;
char pathname[NAME_BUF_SIZE];
retValue = mkfifo("/dev/fifo0", 0777); // 0777, mkfifo config.
ICUNIT_ASSERT_EQUAL(retValue, 0, retValue);
retValue = mkfifo("/dev/fifo0", 0777); // 0777, mkfifo config.
ICUNIT_GOTO_EQUAL(retValue, -1, retValue, EXIT);
ICUNIT_GOTO_EQUAL(errno, EEXIST, errno, EXIT);
/* // no support errno EDQUOT ENOENT EROFS ENAMETOOLONG
retValue = mkfifo("/dev/fifo0/fifo1", 0777);
ICUNIT_GOTO_EQUAL(retValue, -1, retValue, EXIT);
ICUNIT_GOTO_EQUAL(errno, ENOENT, errno, EXIT);
mkdir("/dev/usr", 0444);
ICUNIT_GOTO_EQUAL(retValue, 0, retValue,EXIT);
retValue = mkfifo("/dev/usr/fifo0", 0777);
ICUNIT_GOTO_EQUAL(retValue, -1, retValue, EXIT);
ICUNIT_GOTO_EQUAL(errno, EROFS, errno, EXIT);
sprintf(pathname, "/dev/");
for (i = 5; i < NAME_BUF_SIZE - 4; i = i + 4) {
sprintf(&pathname[i], "fifo");
}
printf("pathname : %s\n", pathname);
retValue = mkfifo(pathname, 0777);
ICUNIT_GOTO_EQUAL(retValue, -1, retValue, EXIT);
ICUNIT_GOTO_EQUAL(errno, ENAMETOOLONG, errno, EXIT);
retValue = mkfifo("/usr/fifo0", 0777);
ICUNIT_GOTO_EQUAL(retValue, -1, retValue, EXIT);
pid = fork();
if (pid < 0) {
printf("Fork error\n");
return LOS_NOK;
} else if (pid == 0) {
for (i = 1; i <= 100024; i++) {
sprintf(pathname, "/dev/fifo%d", i);
mkfifo(pathname, 0777);
}
retValue = mkfifo("/dev/fifo100025", 0777);
if (retValue != -1) {
printf("error: unexpect return mkfifo\n");
exit(FAULT1);
}
if (errno != EDQUOT) {
printf("error: unexpect errno mkfifo\n");
exit(FAULT2);
}
exit(LOS_OK);
}
wait(&status);
ICUNIT_GOTO_EQUAL(WEXITSTATUS(status),LOS_OK,WEXITSTATUS(status), EXIT);
for (i = 0; i <= 100025; i++) {
sprintf(pathname, "/dev/fifo%d", i);
unlink(pathname);
} */
unlink("/usr/fifo0");
unlink("/dev/fifo0/fifo1");
unlink("/dev/usr/fifo0");
rmdir("/dev/usr");
unlink(pathname);
unlink("/dev/fifo0");
return LOS_OK;
EXIT:
unlink("/usr/fifo0");
unlink("/dev/fifo0/fifo1");
unlink("/dev/usr/fifo0");
rmdir("/dev/usr");
unlink(pathname);
unlink("/dev/fifo0");
return LOS_NOK;
}
void ItPosixMkfifo002(void)
{
TEST_ADD_CASE(__FUNCTION__, TestMkfifoReturn, TEST_POSIX, TEST_MEM, TEST_LEVEL0, TEST_FUNCTION);
}