git.m6w6.name Git - m6w6/libmemcached/blob - tests/parser.cc

   1 /*  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
   2  *
   3  *  Libmemcached Client and Server
   4  *
   5  *  Copyright (C) 2011 Data Differential, http://datadifferential.com/
   6  *  All rights reserved.
   7  *
   8  *  Redistribution and use in source and binary forms, with or without
   9  *  modification, are permitted provided that the following conditions are
  10  *  met:
  11  *
  12  *      * Redistributions of source code must retain the above copyright
  13  *  notice, this list of conditions and the following disclaimer.
  14  *
  15  *      * Redistributions in binary form must reproduce the above
  16  *  copyright notice, this list of conditions and the following disclaimer
  17  *  in the documentation and/or other materials provided with the
  18  *  distribution.
  19  *
  20  *      * The names of its contributors may not be used to endorse or
  21  *  promote products derived from this software without specific prior
  22  *  written permission.
  23  *
  24  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  25  *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  26  *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  27  *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  28  *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  29  *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  30  *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  31  *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  32  *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  33  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  34  *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  35  *
  36  */
  37
  38 #include <config.h>
  39
  40 #include <vector>
  41 #include <iostream>
  42 #include <string>
  43 #include <cerrno>
  44 #include <cassert>
  45
  46 #define BUILDING_LIBMEMCACHED
  47 // !NEVER use common.h, always use memcached.h in your own apps
  48 #include <libmemcached/common.h>
  49
  50 #include "tests/parser.h"
  51 #include "tests/print.h"
  52
  53 enum scanner_type_t
  54 {
  55   NIL,
  56   UNSIGNED,
  57   SIGNED,
  58   ARRAY
  59 };
  60
  61
  62 struct scanner_string_st {
  63   const char *c_str;
  64   size_t size;
  65 };
  66
  67 static inline scanner_string_st scanner_string(const char *arg, size_t arg_size)
  68 {
  69   scanner_string_st local= { arg, arg_size };
  70   return local;
  71 }
  72
  73 #define make_scanner_string(X) scanner_string((X), static_cast<size_t>(sizeof(X) - 1))
  74
  75 static struct scanner_string_st scanner_string_null= { 0, 0};
  76
  77 struct scanner_variable_t {
  78   enum scanner_type_t type;
  79   struct scanner_string_st option;
  80   struct scanner_string_st result;
  81   test_return_t (*check_func)(memcached_st *memc, const scanner_string_st &hostname);
  82 };
  83
  84 // Check and make sure the first host is what we expect it to be
  85 static test_return_t __check_host(memcached_st *memc, const scanner_string_st &hostname)
  86 {
  87   memcached_server_instance_st instance=
  88     memcached_server_instance_by_position(memc, 0);
  89
  90   test_true(instance);
  91
  92   const char *first_hostname = memcached_server_name(instance);
  93   test_true(first_hostname);
  94   test_strcmp(first_hostname, hostname.c_str);
  95
  96   return TEST_SUCCESS;
  97 }
  98
  99 // Check and make sure the prefix_key is what we expect it to be
 100 static test_return_t __check_prefix_key(memcached_st *memc, const scanner_string_st &hostname)
 101 {
 102   memcached_server_instance_st instance=
 103     memcached_server_instance_by_position(memc, 0);
 104
 105   test_true(instance);
 106
 107   const char *first_hostname = memcached_server_name(instance);
 108   test_true(first_hostname);
 109   test_strcmp(first_hostname, hostname.c_str);
 110
 111   return TEST_SUCCESS;
 112 }
 113
 114 static test_return_t __check_IO_MSG_WATERMARK(memcached_st *memc, const scanner_string_st &value)
 115 {
 116   uint64_t value_number;
 117
 118   value_number= atoll(value.c_str);
 119
 120   test_true(memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_IO_MSG_WATERMARK) == value_number);
 121   return TEST_SUCCESS;
 122 }
 123
 124 static test_return_t __check_REMOVE_FAILED_SERVERS(memcached_st *memc, const scanner_string_st &)
 125 {
 126   test_true(memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_REMOVE_FAILED_SERVERS));
 127   return TEST_SUCCESS;
 128 }
 129
 130 static test_return_t __check_NOREPLY(memcached_st *memc, const scanner_string_st &)
 131 {
 132   test_true(memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_NOREPLY));
 133   return TEST_SUCCESS;
 134 }
 135
 136 static test_return_t __check_VERIFY_KEY(memcached_st *memc, const scanner_string_st &)
 137 {
 138   test_true(memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_VERIFY_KEY));
 139   return TEST_SUCCESS;
 140 }
 141
 142 static test_return_t __check_distribution_RANDOM(memcached_st *memc, const scanner_string_st &)
 143 {
 144   test_true(memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_DISTRIBUTION) == MEMCACHED_DISTRIBUTION_RANDOM);
 145   return TEST_SUCCESS;
 146 }
 147
 148 scanner_variable_t test_server_strings[]= {
 149   { ARRAY, make_scanner_string("--server=localhost"), make_scanner_string("localhost"), __check_host },
 150   { ARRAY, make_scanner_string("--server=10.0.2.1"), make_scanner_string("10.0.2.1"), __check_host },
 151   { ARRAY, make_scanner_string("--server=example.com"), make_scanner_string("example.com"), __check_host },
 152   { ARRAY, make_scanner_string("--server=localhost:30"), make_scanner_string("localhost"), __check_host },
 153   { ARRAY, make_scanner_string("--server=10.0.2.1:20"), make_scanner_string("10.0.2.1"), __check_host },
 154   { ARRAY, make_scanner_string("--server=example.com:1024"), make_scanner_string("example.com"), __check_host },
 155   { NIL, scanner_string_null, scanner_string_null, NULL }
 156 };
 157
 158 scanner_variable_t test_server_strings_with_weights[]= {
 159   { ARRAY, make_scanner_string("--server=10.0.2.1:30/?40"), make_scanner_string("10.0.2.1"), __check_host },
 160   { ARRAY, make_scanner_string("--server=example.com:1024/?30"), make_scanner_string("example.com"), __check_host },
 161   { ARRAY, make_scanner_string("--server=10.0.2.1/?20"), make_scanner_string("10.0.2.1"), __check_host },
 162   { ARRAY, make_scanner_string("--server=example.com/?10"), make_scanner_string("example.com"), __check_host },
 163   { NIL, scanner_string_null, scanner_string_null, NULL }
 164 };
 165
 166 scanner_variable_t bad_test_strings[]= {
 167   { ARRAY, make_scanner_string("-servers=localhost:11221,localhost:11222,localhost:11223,localhost:11224,localhost:11225"), scanner_string_null, NULL },
 168   { ARRAY, make_scanner_string("-- servers=a.example.com:81,localhost:82,b.example.com"), scanner_string_null, NULL },
 169   { ARRAY, make_scanner_string("--servers=localhost:+80"), scanner_string_null, NULL},
 170   { ARRAY, make_scanner_string("--servers=localhost.com."), scanner_string_null, NULL},
 171   { ARRAY, make_scanner_string("--server=localhost.com."), scanner_string_null, NULL},
 172   { ARRAY, make_scanner_string("--server=localhost.com.:80"), scanner_string_null, NULL},
 173   { NIL, scanner_string_null, scanner_string_null, NULL}
 174 };
 175
 176 scanner_variable_t test_number_options[]= {
 177   { ARRAY,  make_scanner_string("--CONNECT-TIMEOUT=456"), scanner_string_null, NULL },
 178   { ARRAY,  make_scanner_string("--IO-BYTES-WATERMARK=456"), scanner_string_null, NULL },
 179   { ARRAY,  make_scanner_string("--IO-KEY-PREFETCH=456"), scanner_string_null, NULL },
 180   { ARRAY,  make_scanner_string("--IO-MSG-WATERMARK=456"), make_scanner_string("456"), __check_IO_MSG_WATERMARK },
 181   { ARRAY,  make_scanner_string("--NUMBER-OF-REPLICAS=456"), scanner_string_null, NULL },
 182   { ARRAY,  make_scanner_string("--POLL-TIMEOUT=456"), scanner_string_null, NULL },
 183   { ARRAY,  make_scanner_string("--RCV-TIMEOUT=456"), scanner_string_null, NULL },
 184   { ARRAY,  make_scanner_string("--REMOVE-FAILED-SERVERS=3"), scanner_string_null, __check_REMOVE_FAILED_SERVERS },
 185   { ARRAY,  make_scanner_string("--RETRY-TIMEOUT=456"), scanner_string_null, NULL },
 186   { ARRAY,  make_scanner_string("--SND-TIMEOUT=456"), scanner_string_null, NULL },
 187   { ARRAY,  make_scanner_string("--SOCKET-RECV-SIZE=456"), scanner_string_null, NULL },
 188   { ARRAY,  make_scanner_string("--SOCKET-SEND-SIZE=456"), scanner_string_null, NULL },
 189   { NIL, scanner_string_null, scanner_string_null, NULL}
 190 };
 191
 192 scanner_variable_t test_boolean_options[]= {
 193   { ARRAY,  make_scanner_string("--BINARY-PROTOCOL"), scanner_string_null, NULL },
 194   { ARRAY,  make_scanner_string("--BUFFER-REQUESTS"), scanner_string_null, NULL },
 195   { ARRAY,  make_scanner_string("--HASH-WITH-NAMESPACE"), scanner_string_null, NULL },
 196   { ARRAY,  make_scanner_string("--NOREPLY"), scanner_string_null, __check_NOREPLY },
 197   { ARRAY,  make_scanner_string("--RANDOMIZE-REPLICA-READ"), scanner_string_null, NULL },
 198   { ARRAY,  make_scanner_string("--SORT-HOSTS"), scanner_string_null, NULL },
 199   { ARRAY,  make_scanner_string("--SUPPORT-CAS"), scanner_string_null, NULL },
 200   { ARRAY,  make_scanner_string("--TCP-NODELAY"), scanner_string_null, NULL },
 201   { ARRAY,  make_scanner_string("--TCP-KEEPALIVE"), scanner_string_null, NULL },
 202   { ARRAY,  make_scanner_string("--TCP-KEEPIDLE"), scanner_string_null, NULL },
 203   { ARRAY,  make_scanner_string("--USE-UDP"), scanner_string_null, NULL },
 204   { ARRAY,  make_scanner_string("--VERIFY-KEY"), scanner_string_null, __check_VERIFY_KEY },
 205   { NIL, scanner_string_null, scanner_string_null, NULL}
 206 };
 207
 208 scanner_variable_t prefix_key_strings[]= {
 209   { ARRAY, make_scanner_string("--NAMESPACE=foo"), make_scanner_string("foo"), __check_prefix_key },
 210   { ARRAY, make_scanner_string("--NAMESPACE=\"foo\""), make_scanner_string("foo"), __check_prefix_key },
 211   { ARRAY, make_scanner_string("--NAMESPACE=\"This_is_a_very_long_key\""), make_scanner_string("This_is_a_very_long_key"), __check_prefix_key },
 212   { NIL, scanner_string_null, scanner_string_null, NULL}
 213 };
 214
 215 scanner_variable_t distribution_strings[]= {
 216   { ARRAY,  make_scanner_string("--DISTRIBUTION=consistent"), scanner_string_null, NULL },
 217   { ARRAY,  make_scanner_string("--DISTRIBUTION=consistent,CRC"), scanner_string_null, NULL },
 218   { ARRAY,  make_scanner_string("--DISTRIBUTION=consistent,MD5"), scanner_string_null, NULL },
 219   { ARRAY,  make_scanner_string("--DISTRIBUTION=random"), scanner_string_null, __check_distribution_RANDOM },
 220   { ARRAY,  make_scanner_string("--DISTRIBUTION=modula"), scanner_string_null, NULL },
 221   { NIL, scanner_string_null, scanner_string_null, NULL}
 222 };
 223
 224 scanner_variable_t hash_strings[]= {
 225   { ARRAY,  make_scanner_string("--HASH=CRC"), scanner_string_null, NULL },
 226   { ARRAY,  make_scanner_string("--HASH=FNV1A_32"), scanner_string_null, NULL },
 227   { ARRAY,  make_scanner_string("--HASH=FNV1A_64"), scanner_string_null, NULL },
 228   { ARRAY,  make_scanner_string("--HASH=FNV1_32"), scanner_string_null, NULL },
 229   { ARRAY,  make_scanner_string("--HASH=FNV1_64"), scanner_string_null, NULL },
 230   { ARRAY,  make_scanner_string("--HASH=JENKINS"), scanner_string_null, NULL },
 231   { ARRAY,  make_scanner_string("--HASH=MD5"), scanner_string_null, NULL },
 232   { ARRAY,  make_scanner_string("--HASH=MURMUR"), scanner_string_null, NULL },
 233   { NIL, scanner_string_null, scanner_string_null, NULL}
 234 };
 235
 236
 237 static test_return_t _test_option(scanner_variable_t *scanner, bool test_true= true)
 238 {
 239   (void)test_true;
 240
 241   for (scanner_variable_t *ptr= scanner; ptr->type != NIL; ptr++)
 242   {
 243     memcached_st *memc;
 244     memc= memcached(ptr->option.c_str, ptr->option.size);
 245     if (test_true)
 246     {
 247       if (not memc)
 248       {
 249         char buffer[2048];
 250         memcached_return_t rc= libmemcached_check_configuration(ptr->option.c_str, ptr->option.size, buffer, sizeof(buffer));
 251         std::cerr << "About error for " << memcached_strerror(NULL, rc) << " : " << buffer << std::endl;
 252       }
 253
 254       test_true(memc);
 255
 256       if (ptr->check_func)
 257       {
 258         test_return_t test_rc= (*ptr->check_func)(memc, ptr->result);
 259         if (test_rc != TEST_SUCCESS)
 260         {
 261           memcached_free(memc);
 262           return test_rc;
 263         }
 264       }
 265
 266       memcached_free(memc);
 267     }
 268     else
 269     {
 270       test_false_with(memc, ptr->option.c_str);
 271     }
 272   }
 273
 274   return TEST_SUCCESS;
 275 }
 276
 277 test_return_t server_test(memcached_st *)
 278 {
 279   return _test_option(test_server_strings);
 280 }
 281
 282 test_return_t server_with_weight_test(memcached_st *)
 283 {
 284   return _test_option(test_server_strings_with_weights);
 285 }
 286
 287 test_return_t servers_bad_test(memcached_st *)
 288 {
 289   test_return_t rc;
 290   if ((rc= _test_option(bad_test_strings, false)) != TEST_SUCCESS)
 291   {
 292     return rc;
 293   }
 294
 295   return TEST_SUCCESS;
 296 }
 297
 298 test_return_t parser_number_options_test(memcached_st*)
 299 {
 300   return _test_option(test_number_options);
 301 }
 302
 303 test_return_t parser_boolean_options_test(memcached_st*)
 304 {
 305   return _test_option(test_boolean_options);
 306 }
 307
 308 test_return_t behavior_parser_test(memcached_st*)
 309 {
 310   return TEST_SUCCESS;
 311 }
 312
 313 test_return_t parser_hash_test(memcached_st*)
 314 {
 315   return _test_option(hash_strings);
 316 }
 317
 318 test_return_t parser_distribution_test(memcached_st*)
 319 {
 320   return _test_option(distribution_strings);
 321 }
 322
 323 test_return_t parser_key_prefix_test(memcached_st*)
 324 {
 325   return _test_option(distribution_strings);
 326 }
 327
 328 #define SUPPORT_EXAMPLE_CNF "support/example.cnf"
 329
 330 test_return_t memcached_create_with_options_with_filename(memcached_st*)
 331 {
 332   if (access(SUPPORT_EXAMPLE_CNF, R_OK))
 333     return TEST_SKIPPED;
 334
 335   memcached_st *memc_ptr;
 336   memc_ptr= memcached(STRING_WITH_LEN("--CONFIGURE-FILE=\"support/example.cnf\""));
 337   test_true_got(memc_ptr, "memcached() failed");
 338   test_strcmp(SUPPORT_EXAMPLE_CNF, memcached_array_string(memc_ptr->configure.filename));
 339   memcached_free(memc_ptr);
 340
 341   return TEST_SUCCESS;
 342 }
 343
 344 test_return_t libmemcached_check_configuration_with_filename_test(memcached_st*)
 345 {
 346   if (access(SUPPORT_EXAMPLE_CNF, R_OK))
 347     return TEST_SKIPPED;
 348
 349   memcached_return_t rc;
 350   char buffer[BUFSIZ];
 351
 352   rc= libmemcached_check_configuration(STRING_WITH_LEN("--CONFIGURE-FILE=\"support/example.cnf\""), buffer, sizeof(buffer));
 353   test_true_got(rc == MEMCACHED_SUCCESS, (rc == MEMCACHED_ERRNO) ? strerror(errno) : memcached_strerror(NULL, rc));
 354
 355   rc= libmemcached_check_configuration(STRING_WITH_LEN("--CONFIGURE-FILE=support/example.cnf"), buffer, sizeof(buffer));
 356   test_false_with(rc == MEMCACHED_SUCCESS, memcached_strerror(NULL, rc));
 357
 358   rc= libmemcached_check_configuration(STRING_WITH_LEN("--CONFIGURE-FILE=\"bad-path/example.cnf\""), buffer, sizeof(buffer));
 359   test_true_got(rc == MEMCACHED_ERRNO, memcached_strerror(NULL, rc));
 360
 361   return TEST_SUCCESS;
 362 }
 363
 364 test_return_t libmemcached_check_configuration_test(memcached_st*)
 365 {
 366   memcached_return_t rc;
 367   char buffer[BUFSIZ];
 368
 369   rc= libmemcached_check_configuration(STRING_WITH_LEN("--server=localhost"), buffer, sizeof(buffer));
 370   test_true_got(rc == MEMCACHED_SUCCESS, buffer);
 371
 372   rc= libmemcached_check_configuration(STRING_WITH_LEN("--dude=localhost"), buffer, sizeof(buffer));
 373   test_false_with(rc == MEMCACHED_SUCCESS, buffer);
 374   test_true(rc == MEMCACHED_PARSE_ERROR);
 375
 376   return TEST_SUCCESS;
 377 }
 378
 379 test_return_t memcached_create_with_options_test(memcached_st*)
 380 {
 381   memcached_st *memc_ptr;
 382   memc_ptr= memcached(STRING_WITH_LEN("--server=localhost"));
 383   test_true_got(memc_ptr, memcached_last_error_message(memc_ptr));
 384   memcached_free(memc_ptr);
 385
 386   memc_ptr= memcached(STRING_WITH_LEN("--dude=localhost"));
 387   test_false_with(memc_ptr, memcached_last_error_message(memc_ptr));
 388
 389   return TEST_SUCCESS;
 390 }
 391
 392 test_return_t test_include_keyword(memcached_st*)
 393 {
 394   if (access(SUPPORT_EXAMPLE_CNF, R_OK))
 395     return TEST_SKIPPED;
 396
 397   char buffer[BUFSIZ];
 398   memcached_return_t rc;
 399   rc= libmemcached_check_configuration(STRING_WITH_LEN("INCLUDE \"support/example.cnf\""), buffer, sizeof(buffer));
 400   test_true_got(rc == MEMCACHED_SUCCESS, buffer);
 401
 402   return TEST_SUCCESS;
 403 }
 404
 405 test_return_t test_end_keyword(memcached_st*)
 406 {
 407   char buffer[BUFSIZ];
 408   memcached_return_t rc;
 409   rc= libmemcached_check_configuration(STRING_WITH_LEN("--server=localhost END bad keywords"), buffer, sizeof(buffer));
 410   test_true_got(rc == MEMCACHED_SUCCESS, buffer);
 411
 412   return TEST_SUCCESS;
 413 }
 414
 415 test_return_t test_reset_keyword(memcached_st*)
 416 {
 417   char buffer[BUFSIZ];
 418   memcached_return_t rc;
 419   rc= libmemcached_check_configuration(STRING_WITH_LEN("--server=localhost reset --server=bad.com"), buffer, sizeof(buffer));
 420   test_true_got(rc == MEMCACHED_SUCCESS, buffer);
 421
 422   return TEST_SUCCESS;
 423 }
 424
 425 test_return_t test_error_keyword(memcached_st*)
 426 {
 427   char buffer[BUFSIZ];
 428   memcached_return_t rc;
 429   rc= libmemcached_check_configuration(STRING_WITH_LEN("--server=localhost ERROR --server=bad.com"), buffer, sizeof(buffer));
 430   test_true_got(rc != MEMCACHED_SUCCESS, buffer);
 431
 432   return TEST_SUCCESS;
 433 }
 434
 435 #define RANDOM_STRINGS 100
 436 test_return_t random_statement_build_test(memcached_st*)
 437 {
 438   std::vector<scanner_string_st *> option_list;
 439
 440   for (scanner_variable_t *ptr= test_server_strings; ptr->type != NIL; ptr++)
 441     option_list.push_back(&ptr->option);
 442
 443   for (scanner_variable_t *ptr= test_number_options; ptr->type != NIL; ptr++)
 444     option_list.push_back(&ptr->option);
 445
 446   for (scanner_variable_t *ptr= test_boolean_options; ptr->type != NIL; ptr++)
 447     option_list.push_back(&ptr->option);
 448
 449   for (scanner_variable_t *ptr= prefix_key_strings; ptr->type != NIL; ptr++)
 450     option_list.push_back(&ptr->option);
 451
 452   for (scanner_variable_t *ptr= distribution_strings; ptr->type != NIL; ptr++)
 453     option_list.push_back(&ptr->option);
 454
 455   for (scanner_variable_t *ptr= hash_strings; ptr->type != NIL; ptr++)
 456     option_list.push_back(&ptr->option);
 457
 458   for (uint32_t x= 0; x < RANDOM_STRINGS; x++)
 459   {
 460     std::string random_options;
 461
 462     uint32_t number_of= random() % option_list.size();
 463     for (uint32_t options= 0; options < number_of; options++)
 464     {
 465       random_options+= option_list[random() % option_list.size()]->c_str;
 466       random_options+= " ";
 467     }
 468
 469     memcached_st *memc_ptr= memcached(random_options.c_str(), random_options.size() -1);
 470     if (not memc_ptr)
 471     {
 472       switch (errno)
 473       {
 474       case EINVAL:
 475 #if 0 // Testing framework is not smart enough for this just yet.
 476         {
 477           // We will try to find the specific error
 478           char buffer[2048];
 479           memcached_return_t rc= libmemcached_check_configuration(random_options.c_str(), random_options.size(), buffer, sizeof(buffer));
 480           test_true_got(rc != MEMCACHED_SUCCESS, "memcached_create_with_options() failed whiled libmemcached_check_configuration() was successful");
 481           std::cerr << "Error occured on " << random_options.c_str() << " : " << buffer << std::endl;
 482           return TEST_FAILURE;
 483         }
 484 #endif
 485         break;
 486       case ENOMEM:
 487         std::cerr << "Failed to allocate memory for memcached_create_with_options()" << std::endl;
 488         memcached_free(memc_ptr);
 489         return TEST_FAILURE;
 490       default:
 491         std::cerr << "Unknown error from memcached_create_with_options?!!" << std::endl;
 492         memcached_free(memc_ptr);
 493         return TEST_FAILURE;
 494       }
 495     }
 496     memcached_free(memc_ptr);
 497   }
 498
 499   return TEST_SUCCESS;
 500 }
 501
 502 static memcached_return_t dump_server_information(const memcached_st *,
 503                                                   const memcached_server_st *instance,
 504                                                   void *)
 505 {
 506   if (strcmp(memcached_server_name(instance), "localhost"))
 507   {
 508     assert(not memcached_server_name(instance));
 509     return MEMCACHED_FAILURE;
 510   }
 511
 512   if (memcached_server_port(instance) < 8888 or memcached_server_port(instance) > 8892)
 513   {
 514     assert(not memcached_server_port(instance));
 515     return MEMCACHED_FAILURE;
 516   }
 517
 518   if (instance->weight > 5 or instance->weight < 2)
 519   {
 520     assert(not instance->weight);
 521     return MEMCACHED_FAILURE;
 522   }
 523
 524   return MEMCACHED_SUCCESS;
 525 }
 526
 527
 528 test_return_t test_hostname_port_weight(memcached_st *)
 529 {
 530   const char *server_string= "--server=localhost:8888/?2 --server=localhost:8889/?3 --server=localhost:8890/?4 --server=localhost:8891/?5 --server=localhost:8892/?3";
 531   char buffer[BUFSIZ];
 532
 533   memcached_return_t rc;
 534   test_compare_got(MEMCACHED_SUCCESS,
 535                    rc= libmemcached_check_configuration(server_string, strlen(server_string), buffer, sizeof(buffer)),
 536                    memcached_strerror(NULL, rc));
 537
 538   memcached_st *memc= memcached(server_string, strlen(server_string));
 539   test_true(memc);
 540
 541   memcached_server_fn callbacks[]= { dump_server_information };
 542   test_true(memcached_success(memcached_server_cursor(memc, callbacks, NULL, 1)));
 543
 544   memcached_free(memc);
 545
 546   return TEST_SUCCESS;
 547 }