curl/tests/unit/unit1305.c

/*****************************************************************************
 *                                  _   _ ____  _
 *  Project                     ___| | | |  _ \| |
 *                             / __| | | | |_) | |
 *                            | (__| |_| |  _ <| |___
 *                             \___|\___/|_| \_\_____|
 *
 */

#include "test.h"

#ifdef HAVE_SYS_SOCKET_H
#  include <sys/socket.h>
#endif
#ifdef HAVE_NETINET_IN_H
#  include <netinet/in.h>
#endif
#ifdef HAVE_NETDB_H
#  include <netdb.h>
#endif
#ifdef HAVE_ARPA_INET_H
#  include <arpa/inet.h>
#endif

#define ENABLE_CURLX_PRINTF
#include "curlx.h"

#include "hash.h"
#include "hostip.h"
#include "curlcheck.h"

#include "curl_memory.h"
#include "memdebug.h" /* LAST include file */

static struct SessionHandle *data;
static struct curl_hash *hp;
static char *data_key;
static struct Curl_dns_entry *data_node;

static CURLcode unit_setup( void )
{
  data = curl_easy_init();
  if (!data)
    return CURLE_OUT_OF_MEMORY;

  hp = Curl_mk_dnscache();
  if(!hp) {
    curl_easy_cleanup(data);
    curl_global_cleanup();
    return CURLE_OUT_OF_MEMORY;
  }
  return CURLE_OK;
}

static void unit_stop( void )
{
  if (data_node) {
    Curl_freeaddrinfo(data_node->addr);
    free(data_node);
  }
  if (data_key)
    free(data_key);

  Curl_hash_destroy(hp);

  curl_easy_cleanup(data);
  curl_global_cleanup();
}

static Curl_addrinfo *fake_ai(void)
{
    static Curl_addrinfo *ai;
    int ss_size;

    ss_size = sizeof (struct sockaddr_in);

    if((ai = calloc(1, sizeof(Curl_addrinfo))) == NULL)
        return NULL;

    if((ai->ai_canonname = strdup("dummy")) == NULL) {
        free(ai);
        return NULL;
    }

    if((ai->ai_addr = calloc(1, ss_size)) == NULL) {
        free(ai->ai_canonname);
        free(ai);
        return NULL;
    }

    ai->ai_family = AF_INET;
    ai->ai_addrlen = ss_size;

    return ai;
}

static CURLcode create_node(void)
{
    data_key = aprintf("%s:%d", "dummy", 0);
    if (!data_key)
        return CURLE_OUT_OF_MEMORY;

    data_node = calloc(1, sizeof(struct Curl_dns_entry));
    if (!data_node)
        return CURLE_OUT_OF_MEMORY;

    data_node->addr = fake_ai();
    if (!data_node->addr)
        return CURLE_OUT_OF_MEMORY;

    return CURLE_OK;
}


UNITTEST_START

    struct Curl_dns_entry *nodep;
    size_t key_len;

    CURLcode rc = create_node();
    abort_unless(rc == CURLE_OK, "data node creation failed");
    key_len = strlen(data_key);

    nodep = Curl_hash_add(hp, data_key, key_len+1, data_node);
    abort_unless(nodep, "insertion into hash failed");
    /* Freeing will now be done by Curl_hash_destroy */
    data_node = NULL;

    /* To do: test retrieval, deletion, edge conditions */

UNITTEST_STOP