src/test.cpp

   1 /*
   2 Minetest-c55
   3 Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU General Public License as published by
   7 the Free Software Foundation; either version 2 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include "test.h"
  21 #include "common_irrlicht.h"
  22 #include "debug.h"
  23 #include "map.h"
  24 #include "player.h"
  25 #include "main.h"
  26 #include "socket.h"
  27 #include "connection.h"
  28 #include "utility.h"
  29 #include "serialization.h"
  30 #include "voxel.h"
  31 #include <sstream>
  32 #include "porting.h"
  33 #include "content_mapnode.h"
  34 #include "nodedef.h"
  35 #include "mapsector.h"
  36 #include "settings.h"
  37 #include "log.h"
  38
  39 /*
  40         Asserts that the exception occurs
  41 */
  42 #define EXCEPTION_CHECK(EType, code)\
  43 {\
  44         bool exception_thrown = false;\
  45         try{ code; }\
  46         catch(EType &e) { exception_thrown = true; }\
  47         assert(exception_thrown);\
  48 }
  49
  50 /*
  51         A few item and node definitions for those tests that need them
  52 */
  53
  54 #define CONTENT_STONE 0
  55 #define CONTENT_GRASS 0x800
  56
  57 void define_some_nodes(IWritableItemDefManager *idef, IWritableNodeDefManager *ndef)
  58 {
  59         content_t i;
  60         ItemDefinition itemdef;
  61         ContentFeatures f;
  62
  63         /*
  64                 Stone
  65         */
  66         i = CONTENT_STONE;
  67         itemdef = ItemDefinition();
  68         itemdef.type = ITEM_NODE;
  69         itemdef.name = "default:stone";
  70         itemdef.description = "Stone";
  71         itemdef.inventory_image = "[inventorycube"
  72                 "{default_stone.png"
  73                 "{default_stone.png"
  74                 "{default_stone.png";
  75         f = ContentFeatures();
  76         f.name = itemdef.name;
  77         for(int i = 0; i < 6; i++)
  78                 f.tname_tiles[i] = "default_stone.png";
  79         f.param_type = CPT_MINERAL;
  80         f.is_ground_content = true;
  81         f.dug_item = itemdef.name;
  82         f.material.diggability = DIGGABLE_NORMAL;
  83         f.material.weight = 5.0;
  84         f.material.crackiness = 1.0;
  85         f.material.crumbliness = -0.1;
  86         f.material.cuttability = -0.2;
  87         idef->registerItem(itemdef);
  88         ndef->set(i, f);
  89
  90         /*
  91                 Grass
  92         */
  93         i = CONTENT_GRASS;
  94         itemdef = ItemDefinition();
  95         itemdef.type = ITEM_NODE;
  96         itemdef.name = "default:dirt_with_grass";
  97         itemdef.description = "Dirt with grass";
  98         itemdef.inventory_image = "[inventorycube"
  99                 "{default_grass.png"
 100                 "{default_dirt.png&default_grass_side.png"
 101                 "{default_dirt.png&default_grass_side.png";
 102         f = ContentFeatures();
 103         f.name = itemdef.name;
 104         f.tname_tiles[0] = "default_grass.png";
 105         f.tname_tiles[1] = "default_dirt.png";
 106         for(int i = 2; i < 6; i++)
 107                 f.tname_tiles[i] = "default_dirt.png^default_grass_side.png";
 108         f.is_ground_content = true;
 109         f.dug_item = itemdef.name;
 110         f.material.diggability = DIGGABLE_NORMAL;
 111         f.material.weight = 1.2;
 112         f.material.crackiness = 0.0;
 113         f.material.crumbliness = 1.2;
 114         f.material.cuttability = -0.4;
 115         idef->registerItem(itemdef);
 116         ndef->set(i, f);
 117 }
 118
 119 struct TestUtilities
 120 {
 121         void Run()
 122         {
 123                 /*infostream<<"wrapDegrees(100.0) = "<<wrapDegrees(100.0)<<std::endl;
 124                 infostream<<"wrapDegrees(720.5) = "<<wrapDegrees(720.5)<<std::endl;
 125                 infostream<<"wrapDegrees(-0.5) = "<<wrapDegrees(-0.5)<<std::endl;*/
 126                 assert(fabs(wrapDegrees(100.0) - 100.0) < 0.001);
 127                 assert(fabs(wrapDegrees(720.5) - 0.5) < 0.001);
 128                 assert(fabs(wrapDegrees(-0.5) - (-0.5)) < 0.001);
 129                 assert(fabs(wrapDegrees(-365.5) - (-5.5)) < 0.001);
 130                 assert(lowercase("Foo bAR") == "foo bar");
 131                 assert(is_yes("YeS") == true);
 132                 assert(is_yes("") == false);
 133                 assert(is_yes("FAlse") == false);
 134         }
 135 };
 136
 137 struct TestSettings
 138 {
 139         void Run()
 140         {
 141                 Settings s;
 142                 // Test reading of settings
 143                 s.parseConfigLine("leet = 1337");
 144                 s.parseConfigLine("leetleet = 13371337");
 145                 s.parseConfigLine("leetleet_neg = -13371337");
 146                 s.parseConfigLine("floaty_thing = 1.1");
 147                 s.parseConfigLine("stringy_thing = asd /( ¤%&(/\" BLÖÄRP");
 148                 s.parseConfigLine("coord = (1, 2, 4.5)");
 149                 assert(s.getS32("leet") == 1337);
 150                 assert(s.getS16("leetleet") == 32767);
 151                 assert(s.getS16("leetleet_neg") == -32768);
 152                 // Not sure if 1.1 is an exact value as a float, but doesn't matter
 153                 assert(fabs(s.getFloat("floaty_thing") - 1.1) < 0.001);
 154                 assert(s.get("stringy_thing") == "asd /( ¤%&(/\" BLÖÄRP");
 155                 assert(fabs(s.getV3F("coord").X - 1.0) < 0.001);
 156                 assert(fabs(s.getV3F("coord").Y - 2.0) < 0.001);
 157                 assert(fabs(s.getV3F("coord").Z - 4.5) < 0.001);
 158                 // Test the setting of settings too
 159                 s.setFloat("floaty_thing_2", 1.2);
 160                 s.setV3F("coord2", v3f(1, 2, 3.3));
 161                 assert(s.get("floaty_thing_2").substr(0,3) == "1.2");
 162                 assert(fabs(s.getFloat("floaty_thing_2") - 1.2) < 0.001);
 163                 assert(fabs(s.getV3F("coord2").X - 1.0) < 0.001);
 164                 assert(fabs(s.getV3F("coord2").Y - 2.0) < 0.001);
 165                 assert(fabs(s.getV3F("coord2").Z - 3.3) < 0.001);
 166         }
 167 };
 168
 169 struct TestSerialization
 170 {
 171         // To be used like this:
 172         //   mkstr("Some\0string\0with\0embedded\0nuls")
 173         // since std::string("...") doesn't work as expected in that case.
 174         template<size_t N> std::string mkstr(const char (&s)[N])
 175         {
 176                 return std::string(s, N - 1);
 177         }
 178
 179         void Run()
 180         {
 181                 // Tests some serialization primitives
 182
 183                 assert(serializeString("") == mkstr("\0\0"));
 184                 assert(serializeWideString(L"") == mkstr("\0\0"));
 185                 assert(serializeLongString("") == mkstr("\0\0\0\0"));
 186                 assert(serializeJsonString("") == "\"\"");
 187
 188                 std::string teststring = "Hello world!";
 189                 assert(serializeString(teststring) ==
 190                         mkstr("\0\14Hello world!"));
 191                 assert(serializeWideString(narrow_to_wide(teststring)) ==
 192                         mkstr("\0\14\0H\0e\0l\0l\0o\0 \0w\0o\0r\0l\0d\0!"));
 193                 assert(serializeLongString(teststring) ==
 194                         mkstr("\0\0\0\14Hello world!"));
 195                 assert(serializeJsonString(teststring) ==
 196                         "\"Hello world!\"");
 197
 198                 std::string teststring2;
 199                 std::wstring teststring2_w;
 200                 std::string teststring2_w_encoded;
 201                 {
 202                         std::ostringstream tmp_os;
 203                         std::wostringstream tmp_os_w;
 204                         std::ostringstream tmp_os_w_encoded;
 205                         for(int i = 0; i < 256; i++)
 206                         {
 207                                 tmp_os<<(char)i;
 208                                 tmp_os_w<<(wchar_t)i;
 209                                 tmp_os_w_encoded<<(char)0<<(char)i;
 210                         }
 211                         teststring2 = tmp_os.str();
 212                         teststring2_w = tmp_os_w.str();
 213                         teststring2_w_encoded = tmp_os_w_encoded.str();
 214                 }
 215                 assert(serializeString(teststring2) ==
 216                         mkstr("\1\0") + teststring2);
 217                 assert(serializeWideString(teststring2_w) ==
 218                         mkstr("\1\0") + teststring2_w_encoded);
 219                 assert(serializeLongString(teststring2) ==
 220                         mkstr("\0\0\1\0") + teststring2);
 221                 assert(serializeJsonString(teststring2) ==
 222                         mkstr("\"") +
 223                         "\\u0000\\u0001\\u0002\\u0003\\u0004\\u0005\\u0006\\u0007" +
 224                         "\\b\\t\\n\\u000b\\f\\r\\u000e\\u000f" +
 225                         "\\u0010\\u0011\\u0012\\u0013\\u0014\\u0015\\u0016\\u0017" +
 226                         "\\u0018\\u0019\\u001a\\u001b\\u001c\\u001d\\u001e\\u001f" +
 227                         " !\\\"" + teststring2.substr(0x23, 0x2f-0x23) +
 228                         "\\/" + teststring2.substr(0x30, 0x5c-0x30) +
 229                         "\\\\" + teststring2.substr(0x5d, 0x7f-0x5d) + "\\u007f" +
 230                         "\\u0080\\u0081\\u0082\\u0083\\u0084\\u0085\\u0086\\u0087" +
 231                         "\\u0088\\u0089\\u008a\\u008b\\u008c\\u008d\\u008e\\u008f" +
 232                         "\\u0090\\u0091\\u0092\\u0093\\u0094\\u0095\\u0096\\u0097" +
 233                         "\\u0098\\u0099\\u009a\\u009b\\u009c\\u009d\\u009e\\u009f" +
 234                         "\\u00a0\\u00a1\\u00a2\\u00a3\\u00a4\\u00a5\\u00a6\\u00a7" +
 235                         "\\u00a8\\u00a9\\u00aa\\u00ab\\u00ac\\u00ad\\u00ae\\u00af" +
 236                         "\\u00b0\\u00b1\\u00b2\\u00b3\\u00b4\\u00b5\\u00b6\\u00b7" +
 237                         "\\u00b8\\u00b9\\u00ba\\u00bb\\u00bc\\u00bd\\u00be\\u00bf" +
 238                         "\\u00c0\\u00c1\\u00c2\\u00c3\\u00c4\\u00c5\\u00c6\\u00c7" +
 239                         "\\u00c8\\u00c9\\u00ca\\u00cb\\u00cc\\u00cd\\u00ce\\u00cf" +
 240                         "\\u00d0\\u00d1\\u00d2\\u00d3\\u00d4\\u00d5\\u00d6\\u00d7" +
 241                         "\\u00d8\\u00d9\\u00da\\u00db\\u00dc\\u00dd\\u00de\\u00df" +
 242                         "\\u00e0\\u00e1\\u00e2\\u00e3\\u00e4\\u00e5\\u00e6\\u00e7" +
 243                         "\\u00e8\\u00e9\\u00ea\\u00eb\\u00ec\\u00ed\\u00ee\\u00ef" +
 244                         "\\u00f0\\u00f1\\u00f2\\u00f3\\u00f4\\u00f5\\u00f6\\u00f7" +
 245                         "\\u00f8\\u00f9\\u00fa\\u00fb\\u00fc\\u00fd\\u00fe\\u00ff" +
 246                         "\"");
 247
 248                 {
 249                         std::istringstream is(serializeString(teststring2), std::ios::binary);
 250                         assert(deSerializeString(is) == teststring2);
 251                         assert(!is.eof());
 252                         is.get();
 253                         assert(is.eof());
 254                 }
 255                 {
 256                         std::istringstream is(serializeWideString(teststring2_w), std::ios::binary);
 257                         assert(deSerializeWideString(is) == teststring2_w);
 258                         assert(!is.eof());
 259                         is.get();
 260                         assert(is.eof());
 261                 }
 262                 {
 263                         std::istringstream is(serializeLongString(teststring2), std::ios::binary);
 264                         assert(deSerializeLongString(is) == teststring2);
 265                         assert(!is.eof());
 266                         is.get();
 267                         assert(is.eof());
 268                 }
 269                 {
 270                         std::istringstream is(serializeJsonString(teststring2), std::ios::binary);
 271                         //dstream<<serializeJsonString(deSerializeJsonString(is));
 272                         assert(deSerializeJsonString(is) == teststring2);
 273                         assert(!is.eof());
 274                         is.get();
 275                         assert(is.eof());
 276                 }
 277         }
 278 };
 279
 280 struct TestCompress
 281 {
 282         void Run()
 283         {
 284                 { // ver 0
 285
 286                 SharedBuffer<u8> fromdata(4);
 287                 fromdata[0]=1;
 288                 fromdata[1]=5;
 289                 fromdata[2]=5;
 290                 fromdata[3]=1;
 291
 292                 std::ostringstream os(std::ios_base::binary);
 293                 compress(fromdata, os, 0);
 294
 295                 std::string str_out = os.str();
 296
 297                 infostream<<"str_out.size()="<<str_out.size()<<std::endl;
 298                 infostream<<"TestCompress: 1,5,5,1 -> ";
 299                 for(u32 i=0; i<str_out.size(); i++)
 300                 {
 301                         infostream<<(u32)str_out[i]<<",";
 302                 }
 303                 infostream<<std::endl;
 304
 305                 assert(str_out.size() == 10);
 306
 307                 assert(str_out[0] == 0);
 308                 assert(str_out[1] == 0);
 309                 assert(str_out[2] == 0);
 310                 assert(str_out[3] == 4);
 311                 assert(str_out[4] == 0);
 312                 assert(str_out[5] == 1);
 313                 assert(str_out[6] == 1);
 314                 assert(str_out[7] == 5);
 315                 assert(str_out[8] == 0);
 316                 assert(str_out[9] == 1);
 317
 318                 std::istringstream is(str_out, std::ios_base::binary);
 319                 std::ostringstream os2(std::ios_base::binary);
 320
 321                 decompress(is, os2, 0);
 322                 std::string str_out2 = os2.str();
 323
 324                 infostream<<"decompress: ";
 325                 for(u32 i=0; i<str_out2.size(); i++)
 326                 {
 327                         infostream<<(u32)str_out2[i]<<",";
 328                 }
 329                 infostream<<std::endl;
 330
 331                 assert(str_out2.size() == fromdata.getSize());
 332
 333                 for(u32 i=0; i<str_out2.size(); i++)
 334                 {
 335                         assert(str_out2[i] == fromdata[i]);
 336                 }
 337
 338                 }
 339
 340                 { // ver HIGHEST
 341
 342                 SharedBuffer<u8> fromdata(4);
 343                 fromdata[0]=1;
 344                 fromdata[1]=5;
 345                 fromdata[2]=5;
 346                 fromdata[3]=1;
 347
 348                 std::ostringstream os(std::ios_base::binary);
 349                 compress(fromdata, os, SER_FMT_VER_HIGHEST);
 350
 351                 std::string str_out = os.str();
 352
 353                 infostream<<"str_out.size()="<<str_out.size()<<std::endl;
 354                 infostream<<"TestCompress: 1,5,5,1 -> ";
 355                 for(u32 i=0; i<str_out.size(); i++)
 356                 {
 357                         infostream<<(u32)str_out[i]<<",";
 358                 }
 359                 infostream<<std::endl;
 360
 361                 /*assert(str_out.size() == 10);
 362
 363                 assert(str_out[0] == 0);
 364                 assert(str_out[1] == 0);
 365                 assert(str_out[2] == 0);
 366                 assert(str_out[3] == 4);
 367                 assert(str_out[4] == 0);
 368                 assert(str_out[5] == 1);
 369                 assert(str_out[6] == 1);
 370                 assert(str_out[7] == 5);
 371                 assert(str_out[8] == 0);
 372                 assert(str_out[9] == 1);*/
 373
 374                 std::istringstream is(str_out, std::ios_base::binary);
 375                 std::ostringstream os2(std::ios_base::binary);
 376
 377                 decompress(is, os2, SER_FMT_VER_HIGHEST);
 378                 std::string str_out2 = os2.str();
 379
 380                 infostream<<"decompress: ";
 381                 for(u32 i=0; i<str_out2.size(); i++)
 382                 {
 383                         infostream<<(u32)str_out2[i]<<",";
 384                 }
 385                 infostream<<std::endl;
 386
 387                 assert(str_out2.size() == fromdata.getSize());
 388
 389                 for(u32 i=0; i<str_out2.size(); i++)
 390                 {
 391                         assert(str_out2[i] == fromdata[i]);
 392                 }
 393
 394                 }
 395         }
 396 };
 397
 398 struct TestMapNode
 399 {
 400         void Run(INodeDefManager *nodedef)
 401         {
 402                 MapNode n;
 403
 404                 // Default values
 405                 assert(n.getContent() == CONTENT_AIR);
 406                 assert(n.getLight(LIGHTBANK_DAY, nodedef) == 0);
 407                 assert(n.getLight(LIGHTBANK_NIGHT, nodedef) == 0);
 408
 409                 // Transparency
 410                 n.setContent(CONTENT_AIR);
 411                 assert(nodedef->get(n).light_propagates == true);
 412                 n.setContent(LEGN(nodedef, "CONTENT_STONE"));
 413                 assert(nodedef->get(n).light_propagates == false);
 414         }
 415 };
 416
 417 struct TestVoxelManipulator
 418 {
 419         void Run(INodeDefManager *nodedef)
 420         {
 421                 /*
 422                         VoxelArea
 423                 */
 424
 425                 VoxelArea a(v3s16(-1,-1,-1), v3s16(1,1,1));
 426                 assert(a.index(0,0,0) == 1*3*3 + 1*3 + 1);
 427                 assert(a.index(-1,-1,-1) == 0);
 428
 429                 VoxelArea c(v3s16(-2,-2,-2), v3s16(2,2,2));
 430                 // An area that is 1 bigger in x+ and z-
 431                 VoxelArea d(v3s16(-2,-2,-3), v3s16(3,2,2));
 432
 433                 core::list<VoxelArea> aa;
 434                 d.diff(c, aa);
 435
 436                 // Correct results
 437                 core::array<VoxelArea> results;
 438                 results.push_back(VoxelArea(v3s16(-2,-2,-3),v3s16(3,2,-3)));
 439                 results.push_back(VoxelArea(v3s16(3,-2,-2),v3s16(3,2,2)));
 440
 441                 assert(aa.size() == results.size());
 442
 443                 infostream<<"Result of diff:"<<std::endl;
 444                 for(core::list<VoxelArea>::Iterator
 445                                 i = aa.begin(); i != aa.end(); i++)
 446                 {
 447                         i->print(infostream);
 448                         infostream<<std::endl;
 449
 450                         s32 j = results.linear_search(*i);
 451                         assert(j != -1);
 452                         results.erase(j, 1);
 453                 }
 454
 455
 456                 /*
 457                         VoxelManipulator
 458                 */
 459
 460                 VoxelManipulator v;
 461
 462                 v.print(infostream, nodedef);
 463
 464                 infostream<<"*** Setting (-1,0,-1)=2 ***"<<std::endl;
 465
 466                 v.setNodeNoRef(v3s16(-1,0,-1), MapNode(CONTENT_GRASS));
 467
 468                 v.print(infostream, nodedef);
 469
 470                 assert(v.getNode(v3s16(-1,0,-1)).getContent() == CONTENT_GRASS);
 471
 472                 infostream<<"*** Reading from inexistent (0,0,-1) ***"<<std::endl;
 473
 474                 EXCEPTION_CHECK(InvalidPositionException, v.getNode(v3s16(0,0,-1)));
 475
 476                 v.print(infostream, nodedef);
 477
 478                 infostream<<"*** Adding area ***"<<std::endl;
 479
 480                 v.addArea(a);
 481
 482                 v.print(infostream, nodedef);
 483
 484                 assert(v.getNode(v3s16(-1,0,-1)).getContent() == CONTENT_GRASS);
 485                 EXCEPTION_CHECK(InvalidPositionException, v.getNode(v3s16(0,1,1)));
 486         }
 487 };
 488
 489 /*
 490         NOTE: These tests became non-working then NodeContainer was removed.
 491               These should be redone, utilizing some kind of a virtual
 492                   interface for Map (IMap would be fine).
 493 */
 494 #if 0
 495 struct TestMapBlock
 496 {
 497         class TC : public NodeContainer
 498         {
 499         public:
 500
 501                 MapNode node;
 502                 bool position_valid;
 503                 core::list<v3s16> validity_exceptions;
 504
 505                 TC()
 506                 {
 507                         position_valid = true;
 508                 }
 509
 510                 virtual bool isValidPosition(v3s16 p)
 511                 {
 512                         //return position_valid ^ (p==position_valid_exception);
 513                         bool exception = false;
 514                         for(core::list<v3s16>::Iterator i=validity_exceptions.begin();
 515                                         i != validity_exceptions.end(); i++)
 516                         {
 517                                 if(p == *i)
 518                                 {
 519                                         exception = true;
 520                                         break;
 521                                 }
 522                         }
 523                         return exception ? !position_valid : position_valid;
 524                 }
 525
 526                 virtual MapNode getNode(v3s16 p)
 527                 {
 528                         if(isValidPosition(p) == false)
 529                                 throw InvalidPositionException();
 530                         return node;
 531                 }
 532
 533                 virtual void setNode(v3s16 p, MapNode & n)
 534                 {
 535                         if(isValidPosition(p) == false)
 536                                 throw InvalidPositionException();
 537                 };
 538
 539                 virtual u16 nodeContainerId() const
 540                 {
 541                         return 666;
 542                 }
 543         };
 544
 545         void Run()
 546         {
 547                 TC parent;
 548
 549                 MapBlock b(&parent, v3s16(1,1,1));
 550                 v3s16 relpos(MAP_BLOCKSIZE, MAP_BLOCKSIZE, MAP_BLOCKSIZE);
 551
 552                 assert(b.getPosRelative() == relpos);
 553
 554                 assert(b.getBox().MinEdge.X == MAP_BLOCKSIZE);
 555                 assert(b.getBox().MaxEdge.X == MAP_BLOCKSIZE*2-1);
 556                 assert(b.getBox().MinEdge.Y == MAP_BLOCKSIZE);
 557                 assert(b.getBox().MaxEdge.Y == MAP_BLOCKSIZE*2-1);
 558                 assert(b.getBox().MinEdge.Z == MAP_BLOCKSIZE);
 559                 assert(b.getBox().MaxEdge.Z == MAP_BLOCKSIZE*2-1);
 560
 561                 assert(b.isValidPosition(v3s16(0,0,0)) == true);
 562                 assert(b.isValidPosition(v3s16(-1,0,0)) == false);
 563                 assert(b.isValidPosition(v3s16(-1,-142,-2341)) == false);
 564                 assert(b.isValidPosition(v3s16(-124,142,2341)) == false);
 565                 assert(b.isValidPosition(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1)) == true);
 566                 assert(b.isValidPosition(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE,MAP_BLOCKSIZE-1)) == false);
 567
 568                 /*
 569                         TODO: this method should probably be removed
 570                         if the block size isn't going to be set variable
 571                 */
 572                 /*assert(b.getSizeNodes() == v3s16(MAP_BLOCKSIZE,
 573                                 MAP_BLOCKSIZE, MAP_BLOCKSIZE));*/
 574
 575                 // Changed flag should be initially set
 576                 assert(b.getModified() == MOD_STATE_WRITE_NEEDED);
 577                 b.resetModified();
 578                 assert(b.getModified() == MOD_STATE_CLEAN);
 579
 580                 // All nodes should have been set to
 581                 // .d=CONTENT_IGNORE and .getLight() = 0
 582                 for(u16 z=0; z<MAP_BLOCKSIZE; z++)
 583                 for(u16 y=0; y<MAP_BLOCKSIZE; y++)
 584                 for(u16 x=0; x<MAP_BLOCKSIZE; x++)
 585                 {
 586                         //assert(b.getNode(v3s16(x,y,z)).getContent() == CONTENT_AIR);
 587                         assert(b.getNode(v3s16(x,y,z)).getContent() == CONTENT_IGNORE);
 588                         assert(b.getNode(v3s16(x,y,z)).getLight(LIGHTBANK_DAY) == 0);
 589                         assert(b.getNode(v3s16(x,y,z)).getLight(LIGHTBANK_NIGHT) == 0);
 590                 }
 591
 592                 {
 593                         MapNode n(CONTENT_AIR);
 594                         for(u16 z=0; z<MAP_BLOCKSIZE; z++)
 595                         for(u16 y=0; y<MAP_BLOCKSIZE; y++)
 596                         for(u16 x=0; x<MAP_BLOCKSIZE; x++)
 597                         {
 598                                 b.setNode(v3s16(x,y,z), n);
 599                         }
 600                 }
 601
 602                 /*
 603                         Parent fetch functions
 604                 */
 605                 parent.position_valid = false;
 606                 parent.node.setContent(5);
 607
 608                 MapNode n;
 609
 610                 // Positions in the block should still be valid
 611                 assert(b.isValidPositionParent(v3s16(0,0,0)) == true);
 612                 assert(b.isValidPositionParent(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1)) == true);
 613                 n = b.getNodeParent(v3s16(0,MAP_BLOCKSIZE-1,0));
 614                 assert(n.getContent() == CONTENT_AIR);
 615
 616                 // ...but outside the block they should be invalid
 617                 assert(b.isValidPositionParent(v3s16(-121,2341,0)) == false);
 618                 assert(b.isValidPositionParent(v3s16(-1,0,0)) == false);
 619                 assert(b.isValidPositionParent(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE)) == false);
 620
 621                 {
 622                         bool exception_thrown = false;
 623                         try{
 624                                 // This should throw an exception
 625                                 MapNode n = b.getNodeParent(v3s16(0,0,-1));
 626                         }
 627                         catch(InvalidPositionException &e)
 628                         {
 629                                 exception_thrown = true;
 630                         }
 631                         assert(exception_thrown);
 632                 }
 633
 634                 parent.position_valid = true;
 635                 // Now the positions outside should be valid
 636                 assert(b.isValidPositionParent(v3s16(-121,2341,0)) == true);
 637                 assert(b.isValidPositionParent(v3s16(-1,0,0)) == true);
 638                 assert(b.isValidPositionParent(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE)) == true);
 639                 n = b.getNodeParent(v3s16(0,0,MAP_BLOCKSIZE));
 640                 assert(n.getContent() == 5);
 641
 642                 /*
 643                         Set a node
 644                 */
 645                 v3s16 p(1,2,0);
 646                 n.setContent(4);
 647                 b.setNode(p, n);
 648                 assert(b.getNode(p).getContent() == 4);
 649                 //TODO: Update to new system
 650                 /*assert(b.getNodeTile(p) == 4);
 651                 assert(b.getNodeTile(v3s16(-1,-1,0)) == 5);*/
 652
 653                 /*
 654                         propagateSunlight()
 655                 */
 656                 // Set lighting of all nodes to 0
 657                 for(u16 z=0; z<MAP_BLOCKSIZE; z++){
 658                         for(u16 y=0; y<MAP_BLOCKSIZE; y++){
 659                                 for(u16 x=0; x<MAP_BLOCKSIZE; x++){
 660                                         MapNode n = b.getNode(v3s16(x,y,z));
 661                                         n.setLight(LIGHTBANK_DAY, 0);
 662                                         n.setLight(LIGHTBANK_NIGHT, 0);
 663                                         b.setNode(v3s16(x,y,z), n);
 664                                 }
 665                         }
 666                 }
 667                 {
 668                         /*
 669                                 Check how the block handles being a lonely sky block
 670                         */
 671                         parent.position_valid = true;
 672                         b.setIsUnderground(false);
 673                         parent.node.setContent(CONTENT_AIR);
 674                         parent.node.setLight(LIGHTBANK_DAY, LIGHT_SUN);
 675                         parent.node.setLight(LIGHTBANK_NIGHT, 0);
 676                         core::map<v3s16, bool> light_sources;
 677                         // The bottom block is invalid, because we have a shadowing node
 678                         assert(b.propagateSunlight(light_sources) == false);
 679                         assert(b.getNode(v3s16(1,4,0)).getLight(LIGHTBANK_DAY) == LIGHT_SUN);
 680                         assert(b.getNode(v3s16(1,3,0)).getLight(LIGHTBANK_DAY) == LIGHT_SUN);
 681                         assert(b.getNode(v3s16(1,2,0)).getLight(LIGHTBANK_DAY) == 0);
 682                         assert(b.getNode(v3s16(1,1,0)).getLight(LIGHTBANK_DAY) == 0);
 683                         assert(b.getNode(v3s16(1,0,0)).getLight(LIGHTBANK_DAY) == 0);
 684                         assert(b.getNode(v3s16(1,2,3)).getLight(LIGHTBANK_DAY) == LIGHT_SUN);
 685                         assert(b.getFaceLight2(1000, p, v3s16(0,1,0)) == LIGHT_SUN);
 686                         assert(b.getFaceLight2(1000, p, v3s16(0,-1,0)) == 0);
 687                         assert(b.getFaceLight2(0, p, v3s16(0,-1,0)) == 0);
 688                         // According to MapBlock::getFaceLight,
 689                         // The face on the z+ side should have double-diminished light
 690                         //assert(b.getFaceLight(p, v3s16(0,0,1)) == diminish_light(diminish_light(LIGHT_MAX)));
 691                         // The face on the z+ side should have diminished light
 692                         assert(b.getFaceLight2(1000, p, v3s16(0,0,1)) == diminish_light(LIGHT_MAX));
 693                 }
 694                 /*
 695                         Check how the block handles being in between blocks with some non-sunlight
 696                         while being underground
 697                 */
 698                 {
 699                         // Make neighbours to exist and set some non-sunlight to them
 700                         parent.position_valid = true;
 701                         b.setIsUnderground(true);
 702                         parent.node.setLight(LIGHTBANK_DAY, LIGHT_MAX/2);
 703                         core::map<v3s16, bool> light_sources;
 704                         // The block below should be valid because there shouldn't be
 705                         // sunlight in there either
 706                         assert(b.propagateSunlight(light_sources, true) == true);
 707                         // Should not touch nodes that are not affected (that is, all of them)
 708                         //assert(b.getNode(v3s16(1,2,3)).getLight() == LIGHT_SUN);
 709                         // Should set light of non-sunlighted blocks to 0.
 710                         assert(b.getNode(v3s16(1,2,3)).getLight(LIGHTBANK_DAY) == 0);
 711                 }
 712                 /*
 713                         Set up a situation where:
 714                         - There is only air in this block
 715                         - There is a valid non-sunlighted block at the bottom, and
 716                         - Invalid blocks elsewhere.
 717                         - the block is not underground.
 718
 719                         This should result in bottom block invalidity
 720                 */
 721                 {
 722                         b.setIsUnderground(false);
 723                         // Clear block
 724                         for(u16 z=0; z<MAP_BLOCKSIZE; z++){
 725                                 for(u16 y=0; y<MAP_BLOCKSIZE; y++){
 726                                         for(u16 x=0; x<MAP_BLOCKSIZE; x++){
 727                                                 MapNode n;
 728                                                 n.setContent(CONTENT_AIR);
 729                                                 n.setLight(LIGHTBANK_DAY, 0);
 730                                                 b.setNode(v3s16(x,y,z), n);
 731                                         }
 732                                 }
 733                         }
 734                         // Make neighbours invalid
 735                         parent.position_valid = false;
 736                         // Add exceptions to the top of the bottom block
 737                         for(u16 x=0; x<MAP_BLOCKSIZE; x++)
 738                         for(u16 z=0; z<MAP_BLOCKSIZE; z++)
 739                         {
 740                                 parent.validity_exceptions.push_back(v3s16(MAP_BLOCKSIZE+x, MAP_BLOCKSIZE-1, MAP_BLOCKSIZE+z));
 741                         }
 742                         // Lighting value for the valid nodes
 743                         parent.node.setLight(LIGHTBANK_DAY, LIGHT_MAX/2);
 744                         core::map<v3s16, bool> light_sources;
 745                         // Bottom block is not valid
 746                         assert(b.propagateSunlight(light_sources) == false);
 747                 }
 748         }
 749 };
 750
 751 struct TestMapSector
 752 {
 753         class TC : public NodeContainer
 754         {
 755         public:
 756
 757                 MapNode node;
 758                 bool position_valid;
 759
 760                 TC()
 761                 {
 762                         position_valid = true;
 763                 }
 764
 765                 virtual bool isValidPosition(v3s16 p)
 766                 {
 767                         return position_valid;
 768                 }
 769
 770                 virtual MapNode getNode(v3s16 p)
 771                 {
 772                         if(position_valid == false)
 773                                 throw InvalidPositionException();
 774                         return node;
 775                 }
 776
 777                 virtual void setNode(v3s16 p, MapNode & n)
 778                 {
 779                         if(position_valid == false)
 780                                 throw InvalidPositionException();
 781                 };
 782
 783                 virtual u16 nodeContainerId() const
 784                 {
 785                         return 666;
 786                 }
 787         };
 788
 789         void Run()
 790         {
 791                 TC parent;
 792                 parent.position_valid = false;
 793
 794                 // Create one with no heightmaps
 795                 ServerMapSector sector(&parent, v2s16(1,1));
 796
 797                 assert(sector.getBlockNoCreateNoEx(0) == 0);
 798                 assert(sector.getBlockNoCreateNoEx(1) == 0);
 799
 800                 MapBlock * bref = sector.createBlankBlock(-2);
 801
 802                 assert(sector.getBlockNoCreateNoEx(0) == 0);
 803                 assert(sector.getBlockNoCreateNoEx(-2) == bref);
 804
 805                 //TODO: Check for AlreadyExistsException
 806
 807                 /*bool exception_thrown = false;
 808                 try{
 809                         sector.getBlock(0);
 810                 }
 811                 catch(InvalidPositionException &e){
 812                         exception_thrown = true;
 813                 }
 814                 assert(exception_thrown);*/
 815
 816         }
 817 };
 818 #endif
 819
 820 struct TestSocket
 821 {
 822         void Run()
 823         {
 824                 const int port = 30003;
 825                 UDPSocket socket;
 826                 socket.Bind(port);
 827
 828                 const char sendbuffer[] = "hello world!";
 829                 socket.Send(Address(127,0,0,1,port), sendbuffer, sizeof(sendbuffer));
 830
 831                 sleep_ms(50);
 832
 833                 char rcvbuffer[256];
 834                 memset(rcvbuffer, 0, sizeof(rcvbuffer));
 835                 Address sender;
 836                 for(;;)
 837                 {
 838                         int bytes_read = socket.Receive(sender, rcvbuffer, sizeof(rcvbuffer));
 839                         if(bytes_read < 0)
 840                                 break;
 841                 }
 842                 //FIXME: This fails on some systems
 843                 assert(strncmp(sendbuffer, rcvbuffer, sizeof(sendbuffer))==0);
 844                 assert(sender.getAddress() == Address(127,0,0,1, 0).getAddress());
 845         }
 846 };
 847
 848 struct TestConnection
 849 {
 850         void TestHelpers()
 851         {
 852                 /*
 853                         Test helper functions
 854                 */
 855
 856                 // Some constants for testing
 857                 u32 proto_id = 0x12345678;
 858                 u16 peer_id = 123;
 859                 u8 channel = 2;
 860                 SharedBuffer<u8> data1(1);
 861                 data1[0] = 100;
 862                 Address a(127,0,0,1, 10);
 863                 u16 seqnum = 34352;
 864
 865                 con::BufferedPacket p1 = con::makePacket(a, data1,
 866                                 proto_id, peer_id, channel);
 867                 /*
 868                         We should now have a packet with this data:
 869                         Header:
 870                                 [0] u32 protocol_id
 871                                 [4] u16 sender_peer_id
 872                                 [6] u8 channel
 873                         Data:
 874                                 [7] u8 data1[0]
 875                 */
 876                 assert(readU32(&p1.data[0]) == proto_id);
 877                 assert(readU16(&p1.data[4]) == peer_id);
 878                 assert(readU8(&p1.data[6]) == channel);
 879                 assert(readU8(&p1.data[7]) == data1[0]);
 880
 881                 //infostream<<"initial data1[0]="<<((u32)data1[0]&0xff)<<std::endl;
 882
 883                 SharedBuffer<u8> p2 = con::makeReliablePacket(data1, seqnum);
 884
 885                 /*infostream<<"p2.getSize()="<<p2.getSize()<<", data1.getSize()="
 886                                 <<data1.getSize()<<std::endl;
 887                 infostream<<"readU8(&p2[3])="<<readU8(&p2[3])
 888                                 <<" p2[3]="<<((u32)p2[3]&0xff)<<std::endl;
 889                 infostream<<"data1[0]="<<((u32)data1[0]&0xff)<<std::endl;*/
 890
 891                 assert(p2.getSize() == 3 + data1.getSize());
 892                 assert(readU8(&p2[0]) == TYPE_RELIABLE);
 893                 assert(readU16(&p2[1]) == seqnum);
 894                 assert(readU8(&p2[3]) == data1[0]);
 895         }
 896
 897         struct Handler : public con::PeerHandler
 898         {
 899                 Handler(const char *a_name)
 900                 {
 901                         count = 0;
 902                         last_id = 0;
 903                         name = a_name;
 904                 }
 905                 void peerAdded(con::Peer *peer)
 906                 {
 907                         infostream<<"Handler("<<name<<")::peerAdded(): "
 908                                         "id="<<peer->id<<std::endl;
 909                         last_id = peer->id;
 910                         count++;
 911                 }
 912                 void deletingPeer(con::Peer *peer, bool timeout)
 913                 {
 914                         infostream<<"Handler("<<name<<")::deletingPeer(): "
 915                                         "id="<<peer->id
 916                                         <<", timeout="<<timeout<<std::endl;
 917                         last_id = peer->id;
 918                         count--;
 919                 }
 920
 921                 s32 count;
 922                 u16 last_id;
 923                 const char *name;
 924         };
 925
 926         void Run()
 927         {
 928                 DSTACK("TestConnection::Run");
 929
 930                 TestHelpers();
 931
 932                 /*
 933                         Test some real connections
 934
 935                         NOTE: This mostly tests the legacy interface.
 936                 */
 937
 938                 u32 proto_id = 0xad26846a;
 939
 940                 Handler hand_server("server");
 941                 Handler hand_client("client");
 942
 943                 infostream<<"** Creating server Connection"<<std::endl;
 944                 con::Connection server(proto_id, 512, 5.0, &hand_server);
 945                 server.Serve(30001);
 946
 947                 infostream<<"** Creating client Connection"<<std::endl;
 948                 con::Connection client(proto_id, 512, 5.0, &hand_client);
 949
 950                 assert(hand_server.count == 0);
 951                 assert(hand_client.count == 0);
 952
 953                 sleep_ms(50);
 954
 955                 Address server_address(127,0,0,1, 30001);
 956                 infostream<<"** running client.Connect()"<<std::endl;
 957                 client.Connect(server_address);
 958
 959                 sleep_ms(50);
 960
 961                 // Client should not have added client yet
 962                 assert(hand_client.count == 0);
 963
 964                 try
 965                 {
 966                         u16 peer_id;
 967                         SharedBuffer<u8> data;
 968                         infostream<<"** running client.Receive()"<<std::endl;
 969                         u32 size = client.Receive(peer_id, data);
 970                         infostream<<"** Client received: peer_id="<<peer_id
 971                                         <<", size="<<size
 972                                         <<std::endl;
 973                 }
 974                 catch(con::NoIncomingDataException &e)
 975                 {
 976                 }
 977
 978                 // Client should have added server now
 979                 assert(hand_client.count == 1);
 980                 assert(hand_client.last_id == 1);
 981                 // Server should not have added client yet
 982                 assert(hand_server.count == 0);
 983
 984                 sleep_ms(50);
 985
 986                 try
 987                 {
 988                         u16 peer_id;
 989                         SharedBuffer<u8> data;
 990                         infostream<<"** running server.Receive()"<<std::endl;
 991                         u32 size = server.Receive(peer_id, data);
 992                         infostream<<"** Server received: peer_id="<<peer_id
 993                                         <<", size="<<size
 994                                         <<std::endl;
 995                 }
 996                 catch(con::NoIncomingDataException &e)
 997                 {
 998                         // No actual data received, but the client has
 999                         // probably been connected
1000                 }
1001
1002                 // Client should be the same
1003                 assert(hand_client.count == 1);
1004                 assert(hand_client.last_id == 1);
1005                 // Server should have the client
1006                 assert(hand_server.count == 1);
1007                 assert(hand_server.last_id == 2);
1008
1009                 //sleep_ms(50);
1010
1011                 while(client.Connected() == false)
1012                 {
1013                         try
1014                         {
1015                                 u16 peer_id;
1016                                 SharedBuffer<u8> data;
1017                                 infostream<<"** running client.Receive()"<<std::endl;
1018                                 u32 size = client.Receive(peer_id, data);
1019                                 infostream<<"** Client received: peer_id="<<peer_id
1020                                                 <<", size="<<size
1021                                                 <<std::endl;
1022                         }
1023                         catch(con::NoIncomingDataException &e)
1024                         {
1025                         }
1026                         sleep_ms(50);
1027                 }
1028
1029                 sleep_ms(50);
1030
1031                 try
1032                 {
1033                         u16 peer_id;
1034                         SharedBuffer<u8> data;
1035                         infostream<<"** running server.Receive()"<<std::endl;
1036                         u32 size = server.Receive(peer_id, data);
1037                         infostream<<"** Server received: peer_id="<<peer_id
1038                                         <<", size="<<size
1039                                         <<std::endl;
1040                 }
1041                 catch(con::NoIncomingDataException &e)
1042                 {
1043                 }
1044 #if 1
1045                 /*
1046                         Simple send-receive test
1047                 */
1048                 {
1049                         /*u8 data[] = "Hello World!";
1050                         u32 datasize = sizeof(data);*/
1051                         SharedBuffer<u8> data = SharedBufferFromString("Hello World!");
1052
1053                         infostream<<"** running client.Send()"<<std::endl;
1054                         client.Send(PEER_ID_SERVER, 0, data, true);
1055
1056                         sleep_ms(50);
1057
1058                         u16 peer_id;
1059                         SharedBuffer<u8> recvdata;
1060                         infostream<<"** running server.Receive()"<<std::endl;
1061                         u32 size = server.Receive(peer_id, recvdata);
1062                         infostream<<"** Server received: peer_id="<<peer_id
1063                                         <<", size="<<size
1064                                         <<", data="<<*data
1065                                         <<std::endl;
1066                         assert(memcmp(*data, *recvdata, data.getSize()) == 0);
1067                 }
1068 #endif
1069                 u16 peer_id_client = 2;
1070 #if 0
1071                 /*
1072                         Send consequent packets in different order
1073                         Not compatible with new Connection, thus commented out.
1074                 */
1075                 {
1076                         //u8 data1[] = "hello1";
1077                         //u8 data2[] = "hello2";
1078                         SharedBuffer<u8> data1 = SharedBufferFromString("hello1");
1079                         SharedBuffer<u8> data2 = SharedBufferFromString("Hello2");
1080
1081                         Address client_address =
1082                                         server.GetPeerAddress(peer_id_client);
1083
1084                         infostream<<"*** Sending packets in wrong order (2,1,2)"
1085                                         <<std::endl;
1086
1087                         u8 chn = 0;
1088                         con::Channel *ch = &server.getPeer(peer_id_client)->channels[chn];
1089                         u16 sn = ch->next_outgoing_seqnum;
1090                         ch->next_outgoing_seqnum = sn+1;
1091                         server.Send(peer_id_client, chn, data2, true);
1092                         ch->next_outgoing_seqnum = sn;
1093                         server.Send(peer_id_client, chn, data1, true);
1094                         ch->next_outgoing_seqnum = sn+1;
1095                         server.Send(peer_id_client, chn, data2, true);
1096
1097                         sleep_ms(50);
1098
1099                         infostream<<"*** Receiving the packets"<<std::endl;
1100
1101                         u16 peer_id;
1102                         SharedBuffer<u8> recvdata;
1103                         u32 size;
1104
1105                         infostream<<"** running client.Receive()"<<std::endl;
1106                         peer_id = 132;
1107                         size = client.Receive(peer_id, recvdata);
1108                         infostream<<"** Client received: peer_id="<<peer_id
1109                                         <<", size="<<size
1110                                         <<", data="<<*recvdata
1111                                         <<std::endl;
1112                         assert(size == data1.getSize());
1113                         assert(memcmp(*data1, *recvdata, data1.getSize()) == 0);
1114                         assert(peer_id == PEER_ID_SERVER);
1115
1116                         infostream<<"** running client.Receive()"<<std::endl;
1117                         peer_id = 132;
1118                         size = client.Receive(peer_id, recvdata);
1119                         infostream<<"** Client received: peer_id="<<peer_id
1120                                         <<", size="<<size
1121                                         <<", data="<<*recvdata
1122                                         <<std::endl;
1123                         assert(size == data2.getSize());
1124                         assert(memcmp(*data2, *recvdata, data2.getSize()) == 0);
1125                         assert(peer_id == PEER_ID_SERVER);
1126
1127                         bool got_exception = false;
1128                         try
1129                         {
1130                                 infostream<<"** running client.Receive()"<<std::endl;
1131                                 peer_id = 132;
1132                                 size = client.Receive(peer_id, recvdata);
1133                                 infostream<<"** Client received: peer_id="<<peer_id
1134                                                 <<", size="<<size
1135                                                 <<", data="<<*recvdata
1136                                                 <<std::endl;
1137                         }
1138                         catch(con::NoIncomingDataException &e)
1139                         {
1140                                 infostream<<"** No incoming data for client"<<std::endl;
1141                                 got_exception = true;
1142                         }
1143                         assert(got_exception);
1144                 }
1145 #endif
1146 #if 0
1147                 /*
1148                         Send large amounts of packets (infinite test)
1149                         Commented out because of infinity.
1150                 */
1151                 {
1152                         infostream<<"Sending large amounts of packets (infinite test)"<<std::endl;
1153                         int sendcount = 0;
1154                         for(;;){
1155                                 int datasize = myrand_range(0,5)==0?myrand_range(100,10000):myrand_range(0,100);
1156                                 infostream<<"datasize="<<datasize<<std::endl;
1157                                 SharedBuffer<u8> data1(datasize);
1158                                 for(u16 i=0; i<datasize; i++)
1159                                         data1[i] = i/4;
1160
1161                                 int sendtimes = myrand_range(1,10);
1162                                 for(int i=0; i<sendtimes; i++){
1163                                         server.Send(peer_id_client, 0, data1, true);
1164                                         sendcount++;
1165                                 }
1166                                 infostream<<"sendcount="<<sendcount<<std::endl;
1167
1168                                 //int receivetimes = myrand_range(1,20);
1169                                 int receivetimes = 20;
1170                                 for(int i=0; i<receivetimes; i++){
1171                                         SharedBuffer<u8> recvdata;
1172                                         u16 peer_id = 132;
1173                                         u16 size = 0;
1174                                         bool received = false;
1175                                         try{
1176                                                 size = client.Receive(peer_id, recvdata);
1177                                                 received = true;
1178                                         }catch(con::NoIncomingDataException &e){
1179                                         }
1180                                 }
1181                         }
1182                 }
1183 #endif
1184                 /*
1185                         Send a large packet
1186                 */
1187                 {
1188                         const int datasize = 30000;
1189                         SharedBuffer<u8> data1(datasize);
1190                         for(u16 i=0; i<datasize; i++){
1191                                 data1[i] = i/4;
1192                         }
1193
1194                         infostream<<"Sending data (size="<<datasize<<"):";
1195                         for(int i=0; i<datasize && i<20; i++){
1196                                 if(i%2==0) DEBUGPRINT(" ");
1197                                 DEBUGPRINT("%.2X", ((int)((const char*)*data1)[i])&0xff);
1198                         }
1199                         if(datasize>20)
1200                                 infostream<<"...";
1201                         infostream<<std::endl;
1202
1203                         server.Send(peer_id_client, 0, data1, true);
1204
1205                         sleep_ms(3000);
1206
1207                         SharedBuffer<u8> recvdata;
1208                         infostream<<"** running client.Receive()"<<std::endl;
1209                         u16 peer_id = 132;
1210                         u16 size = 0;
1211                         bool received = false;
1212                         u32 timems0 = porting::getTimeMs();
1213                         for(;;){
1214                                 if(porting::getTimeMs() - timems0 > 5000)
1215                                         break;
1216                                 try{
1217                                         size = client.Receive(peer_id, recvdata);
1218                                         received = true;
1219                                 }catch(con::NoIncomingDataException &e){
1220                                 }
1221                                 sleep_ms(10);
1222                         }
1223                         assert(received);
1224                         infostream<<"** Client received: peer_id="<<peer_id
1225                                         <<", size="<<size
1226                                         <<std::endl;
1227
1228                         infostream<<"Received data (size="<<size<<"):";
1229                         for(int i=0; i<size && i<20; i++){
1230                                 if(i%2==0) DEBUGPRINT(" ");
1231                                 DEBUGPRINT("%.2X", ((int)(recvdata[i]))&0xff);
1232                         }
1233                         if(size>20)
1234                                 infostream<<"...";
1235                         infostream<<std::endl;
1236
1237                         assert(memcmp(*data1, *recvdata, data1.getSize()) == 0);
1238                         assert(peer_id == PEER_ID_SERVER);
1239                 }
1240
1241                 // Check peer handlers
1242                 assert(hand_client.count == 1);
1243                 assert(hand_client.last_id == 1);
1244                 assert(hand_server.count == 1);
1245                 assert(hand_server.last_id == 2);
1246
1247                 //assert(0);
1248         }
1249 };
1250
1251 #define TEST(X)\
1252 {\
1253         X x;\
1254         infostream<<"Running " #X <<std::endl;\
1255         x.Run();\
1256 }
1257
1258 #define TESTPARAMS(X, ...)\
1259 {\
1260         X x;\
1261         infostream<<"Running " #X <<std::endl;\
1262         x.Run(__VA_ARGS__);\
1263 }
1264
1265 void run_tests()
1266 {
1267         DSTACK(__FUNCTION_NAME);
1268
1269         // Create item and node definitions
1270         IWritableItemDefManager *idef = createItemDefManager();
1271         IWritableNodeDefManager *ndef = createNodeDefManager();
1272         define_some_nodes(idef, ndef);
1273
1274         infostream<<"run_tests() started"<<std::endl;
1275         TEST(TestUtilities);
1276         TEST(TestSettings);
1277         TEST(TestCompress);
1278         TEST(TestSerialization);
1279         TESTPARAMS(TestMapNode, ndef);
1280         TESTPARAMS(TestVoxelManipulator, ndef);
1281         //TEST(TestMapBlock);
1282         //TEST(TestMapSector);
1283         if(INTERNET_SIMULATOR == false){
1284                 TEST(TestSocket);
1285                 dout_con<<"=== BEGIN RUNNING UNIT TESTS FOR CONNECTION ==="<<std::endl;
1286                 TEST(TestConnection);
1287                 dout_con<<"=== END RUNNING UNIT TESTS FOR CONNECTION ==="<<std::endl;
1288         }
1289         infostream<<"run_tests() passed"<<std::endl;
1290 }
1291