net_netdb_test_016.cpp

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#include "lt_net_netdb.h"

static int GetServByNameTest(void)
{
    char serv_file[] = "echo		7/tcp\n"
                       "echo		7/udp\n"
                       "discard		9/tcp		sink null\n"
                       "discard		9/udp		sink null\n"
                       "systat		11/tcp		users\n"
                       "ssh		22/tcp\n";

    char *pathList[] = {"/etc/services"};
    char *streamList[] = {static_cast<char *>(serv_file)};
    int streamLen[] = {sizeof(serv_file)};
    const int file_number = 1;
    int flag = PrepareFileEnv(pathList, streamList, streamLen, file_number);
    if (flag != 0) {
        RecoveryFileEnv(pathList, file_number);
        return -1;
    }

    struct servent *se1 = nullptr;
    struct servent *se2 = nullptr;

    se1 = getservbyname("discard", "tcp");
    ICUNIT_ASSERT_NOT_EQUAL(se1, NULL, -1);
    ICUNIT_ASSERT_STRING_EQUAL(se1->s_name, "discard", -1);
    ICUNIT_ASSERT_STRING_EQUAL(se1->s_proto, "tcp", -1);
    ICUNIT_ASSERT_STRING_EQUAL(se1->s_aliases[0], "discard", -1);

    se1 = getservbyname("ssh", "tcp");
    ICUNIT_ASSERT_NOT_EQUAL(se1, nullptr, -1);
    ICUNIT_ASSERT_STRING_EQUAL(se1->s_name, "ssh", -1);
    ICUNIT_ASSERT_STRING_EQUAL(se1->s_proto, "tcp", -1);
    ICUNIT_ASSERT_STRING_EQUAL(se1->s_aliases[0], "ssh", -1);

    se2 = getservbyname("cho", "udp");
    ICUNIT_ASSERT_EQUAL(se2, nullptr, -1);

    se2 = getservbyname("systat", "udp");
    ICUNIT_ASSERT_EQUAL(se2, nullptr, -1);

    RecoveryFileEnv(pathList, file_number);
    return ICUNIT_SUCCESS;
}

void NetNetDbTest016(void)
{
    TEST_ADD_CASE(__FUNCTION__, GetServByNameTest, TEST_POSIX, TEST_TCP, TEST_LEVEL0, TEST_FUNCTION);
}