/*
 * 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_IO.h"

static UINT32 testcase(VOID)
{
    char *pathbuf = nullptr;
    char *gun_libpthread_version_buf = nullptr;
    char *gun_libc_version_buf = nullptr;
    size_t n = 0;

    n = confstr(_CS_PATH, NULL, (size_t) 0);
    ICUNIT_ASSERT_WITHIN_EQUAL(n, 0, UINT_MAX, n);
    pathbuf = (char *)malloc(n);
    if (pathbuf == NULL) {
        return LOS_NOK;
    }
    confstr(_CS_PATH, pathbuf, n);
    ICUNIT_ASSERT_NOT_EQUAL(pathbuf, NULL, -1);
    free(pathbuf);
    pathbuf = NULL;

    n = confstr(_CS_GNU_LIBPTHREAD_VERSION, NULL, (size_t) 0);
    ICUNIT_ASSERT_WITHIN_EQUAL(n, 0, UINT_MAX, n);
    if (n > 0) {
        gun_libpthread_version_buf = (char *)malloc(n);
    }
    if (gun_libpthread_version_buf == NULL) {
        return LOS_NOK;
    }
    confstr(_CS_GNU_LIBPTHREAD_VERSION, gun_libpthread_version_buf, n);
    ICUNIT_ASSERT_NOT_EQUAL(gun_libpthread_version_buf, NULL, -1);
    free(gun_libpthread_version_buf);
    gun_libpthread_version_buf = NULL;

    n = confstr(_CS_GNU_LIBC_VERSION, NULL, (size_t) 0);
    ICUNIT_ASSERT_WITHIN_EQUAL(n, 0, UINT_MAX, n);
    if (n > 0) {
        gun_libc_version_buf = (char *)malloc(n);
    }
    if (gun_libc_version_buf == NULL) {
        return LOS_NOK;
    }
    confstr(_CS_GNU_LIBC_VERSION, gun_libc_version_buf, n);
    ICUNIT_ASSERT_NOT_EQUAL(gun_libc_version_buf, NULL, -1);
    free(gun_libc_version_buf);
    gun_libc_version_buf = NULL;

    return LOS_OK;
}

VOID IO_TEST_CONFSTR_001(void)
{
    TEST_ADD_CASE(__FUNCTION__, testcase, TEST_LIB, TEST_LIBC, TEST_LEVEL1, TEST_FUNCTION);
}