/*
 * 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);
}