net_netdb_test_021.cpp

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#include "lt_net_netdb.h"

static int GetNetBynametTest(void)
{
    char network_file[] = "# symbolic names for networks, see networks(5) for more information\n"
                          "link-local 169.254.0.0\n";
    char *pathList[] = {"/etc/networks"};
    char *streamList[] = {static_cast<char *>(network_file)};
    int streamLen[] = {sizeof(network_file)};
    const int file_number = 1;
    int flag = PrepareFileEnv(pathList, streamList, streamLen, file_number);
    if (flag != 0) {
        RecoveryFileEnv(pathList, file_number);
        return -1;
    }

    struct netent *se1 = nullptr;
    struct netent *se2 = nullptr;
    struct netent *se3 = nullptr;

    se1 = getnetbyname("link-local");
    ICUNIT_ASSERT_NOT_EQUAL(se1, nullptr, -1);
    ICUNIT_ASSERT_STRING_EQUAL(se1->n_name, "link-local", -1);
    ICUNIT_ASSERT_EQUAL(se1->n_addrtype, AF_INET, -1);
    ICUNIT_ASSERT_EQUAL(se1->n_net, inet_network("169.254.0.0"), -1);

    se2 = getnetbyname("link");
    ICUNIT_ASSERT_EQUAL(se2, nullptr, -1);

    se3 = getnetbyname("hs");
    ICUNIT_ASSERT_EQUAL(se3, nullptr, -1);

    RecoveryFileEnv(pathList, file_number);
    return ICUNIT_SUCCESS;
}

void NetNetDbTest021(void)
{
    TEST_ADD_CASE(__FUNCTION__, GetNetBynametTest, TEST_POSIX, TEST_TCP, TEST_LEVEL0, TEST_FUNCTION);
}