net_netdb_test_009.cpp

/*
 * Copyright (c) 2013-2019 Huawei Technologies 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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 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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#include "lt_net_netdb.h"

static int GetHostByName2RTest(void)
{
    char host_file[] = "127.0.0.1 localhost\n";
    char *pathList[] = {"/etc/hosts"};
    char *streamList[] = {host_file};
    int streamLen[] = {sizeof(host_file)};
    const int file_number = 1;
    int flag = PrepareFileEnv(pathList, streamList, streamLen, file_number);
    if (flag != 0) {
        RecoveryFileEnv(pathList, file_number);
        return -1;
    }

    struct hostent addr, *result = NULL;
    char buf[1024];
    char buf1[1];
    int err, ret;

    ret = gethostbyname2_r("localhost", AF_INET, &addr, buf, sizeof buf, &result, &err);
    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
    ICUNIT_ASSERT_NOT_EQUAL(result, NULL, -1);
    ICUNIT_ASSERT_EQUAL(strcmp(result->h_name, "localhost"), 0, -1);
    ICUNIT_ASSERT_EQUAL(result->h_addrtype, AF_INET, result->h_addrtype);
    ICUNIT_ASSERT_NOT_EQUAL(result->h_length, 0, result->h_length);

    ret = gethostbyname2_r("127.0.0.1", AF_INET, &addr, buf, sizeof buf, &result, &err);
    ICUNIT_ASSERT_EQUAL(ret, 0, ret);
    ICUNIT_ASSERT_NOT_EQUAL(result, NULL, -1);
    ICUNIT_ASSERT_EQUAL(strcmp(result->h_name, "127.0.0.1"), 0, -1);
    ICUNIT_ASSERT_EQUAL(result->h_addrtype, AF_INET, result->h_addrtype);
    ICUNIT_ASSERT_NOT_EQUAL(result->h_length, 0, result->h_length);

    ret = gethostbyname2_r("127.0.0.1", AF_INET, &addr, buf1, sizeof buf1, &result, &err);
    ICUNIT_ASSERT_NOT_EQUAL(ret, 0, ret);
    ret = gethostbyname2_r("127.0.0.1.1", AF_INET, &addr, buf, sizeof buf, &result, &err);
    ICUNIT_ASSERT_NOT_EQUAL(ret, 0, ret);
    ret = gethostbyname2_r("lo", AF_INET, &addr, buf, sizeof buf, &result, &err);
    ICUNIT_ASSERT_NOT_EQUAL(ret, 0, ret);

    RecoveryFileEnv(pathList, file_number);
    return ICUNIT_SUCCESS;
}

void NetNetDbTest009(void)
{
    TEST_ADD_CASE(__FUNCTION__, GetHostByName2RTest, TEST_POSIX, TEST_TCP, TEST_LEVEL0, TEST_FUNCTION);
}