net_netdb_test_002.cpp

/*
 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
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 * 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
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 * 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.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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#include "lt_net_netdb.h"

static int AddrInfoTest(void)
{
    // Prerequisite: correct DNS servers must be configured.
    char host_file[] = "127.0.0.2 example.com\n", serv_file[] = "ftp		21/tcp\n";
    char *pathList[] = {"/etc/hosts", "/etc/services"};
    char *streamList[] = {host_file, serv_file};
    int streamLen[] = {sizeof(host_file), sizeof(serv_file)};
    const int file_number = 2;
    int flag = PrepareFileEnv(pathList, streamList, streamLen, file_number);
    if (flag != 0) {
        RecoveryFileEnv(pathList, file_number);
        return -1;
    }

    struct addrinfo *addr = NULL;
    int ret = getaddrinfo("example.com", "ftp", NULL, &addr);
    ICUNIT_ASSERT_EQUAL(ret, 0, ret);

    freeaddrinfo(addr);

    ret = getaddrinfo("local", "ftp", NULL, &addr);
    ICUNIT_ASSERT_EQUAL(ret, EAI_AGAIN, ret);

    ret = getaddrinfo("localhost", "fp", NULL, &addr);
    ICUNIT_ASSERT_EQUAL(ret, EAI_SERVICE, ret);

    const char *p = gai_strerror(EAI_AGAIN);
    ICUNIT_ASSERT_NOT_EQUAL(p, NULL, -1);

    RecoveryFileEnv(pathList, file_number);
    return ICUNIT_SUCCESS;
}

void NetNetDbTest002(void)
{
    TEST_ADD_CASE(__FUNCTION__, AddrInfoTest, TEST_POSIX, TEST_TCP, TEST_LEVEL0, TEST_FUNCTION);
}