src/test.cpp

   1 /*
   2 Minetest-m13
   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.is_ground_content = true;
  80         f.material.diggability = DIGGABLE_NORMAL;
  81         f.material.weight = 5.0;
  82         f.material.crackiness = 1.0;
  83         f.material.crumbliness = -0.1;
  84         f.material.cuttability = -0.2;
  85         idef->registerItem(itemdef);
  86         ndef->set(i, f);
  87
  88         /*
  89                 Grass
  90         */
  91         i = CONTENT_GRASS;
  92         itemdef = ItemDefinition();
  93         itemdef.type = ITEM_NODE;
  94         itemdef.name = "default:dirt_with_grass";
  95         itemdef.description = "Dirt with grass";
  96         itemdef.inventory_image = "[inventorycube"
  97                 "{default_grass.png"
  98                 "{default_dirt.png&default_grass_side.png"
  99                 "{default_dirt.png&default_grass_side.png";
 100         f = ContentFeatures();
 101         f.name = itemdef.name;
 102         f.tname_tiles[0] = "default_grass.png";
 103         f.tname_tiles[1] = "default_dirt.png";
 104         for(int i = 2; i < 6; i++)
 105                 f.tname_tiles[i] = "default_dirt.png^default_grass_side.png";
 106         f.is_ground_content = true;
 107         f.material.diggability = DIGGABLE_NORMAL;
 108         f.material.weight = 1.2;
 109         f.material.crackiness = 0.0;
 110         f.material.crumbliness = 1.2;
 111         f.material.cuttability = -0.4;
 112         idef->registerItem(itemdef);
 113         ndef->set(i, f);
 114 }
 115
 116 struct TestUtilities
 117 {
 118         void Run()
 119         {
 120                 /*infostream<<"wrapDegrees(100.0) = "<<wrapDegrees(100.0)<<std::endl;
 121                 infostream<<"wrapDegrees(720.5) = "<<wrapDegrees(720.5)<<std::endl;
 122                 infostream<<"wrapDegrees(-0.5) = "<<wrapDegrees(-0.5)<<std::endl;*/
 123                 assert(fabs(wrapDegrees(100.0) - 100.0) < 0.001);
 124                 assert(fabs(wrapDegrees(720.5) - 0.5) < 0.001);
 125                 assert(fabs(wrapDegrees(-0.5) - (-0.5)) < 0.001);
 126                 assert(fabs(wrapDegrees(-365.5) - (-5.5)) < 0.001);
 127                 assert(lowercase("Foo bAR") == "foo bar");
 128                 assert(is_yes("YeS") == true);
 129                 assert(is_yes("") == false);
 130                 assert(is_yes("FAlse") == false);
 131         }
 132 };
 133
 134 struct TestSettings
 135 {
 136         void Run()
 137         {
 138                 Settings s;
 139                 // Test reading of settings
 140                 s.parseConfigLine("leet = 1337");
 141                 s.parseConfigLine("leetleet = 13371337");
 142                 s.parseConfigLine("leetleet_neg = -13371337");
 143                 s.parseConfigLine("floaty_thing = 1.1");
 144                 s.parseConfigLine("stringy_thing = asd /( ¤%&(/\" BLÖÄRP");
 145                 s.parseConfigLine("coord = (1, 2, 4.5)");
 146                 assert(s.getS32("leet") == 1337);
 147                 assert(s.getS16("leetleet") == 32767);
 148                 assert(s.getS16("leetleet_neg") == -32768);
 149                 // Not sure if 1.1 is an exact value as a float, but doesn't matter
 150                 assert(fabs(s.getFloat("floaty_thing") - 1.1) < 0.001);
 151                 assert(s.get("stringy_thing") == "asd /( ¤%&(/\" BLÖÄRP");
 152                 assert(fabs(s.getV3F("coord").X - 1.0) < 0.001);
 153                 assert(fabs(s.getV3F("coord").Y - 2.0) < 0.001);
 154                 assert(fabs(s.getV3F("coord").Z - 4.5) < 0.001);
 155                 // Test the setting of settings too
 156                 s.setFloat("floaty_thing_2", 1.2);
 157                 s.setV3F("coord2", v3f(1, 2, 3.3));
 158                 assert(s.get("floaty_thing_2").substr(0,3) == "1.2");
 159                 assert(fabs(s.getFloat("floaty_thing_2") - 1.2) < 0.001);
 160                 assert(fabs(s.getV3F("coord2").X - 1.0) < 0.001);
 161                 assert(fabs(s.getV3F("coord2").Y - 2.0) < 0.001);
 162                 assert(fabs(s.getV3F("coord2").Z - 3.3) < 0.001);
 163         }
 164 };
 165
 166 struct TestSerialization
 167 {
 168         // To be used like this:
 169         //   mkstr("Some\0string\0with\0embedded\0nuls")
 170         // since std::string("...") doesn't work as expected in that case.
 171         template<size_t N> std::string mkstr(const char (&s)[N])
 172         {
 173                 return std::string(s, N - 1);
 174         }
 175
 176         void Run()
 177         {
 178                 // Tests some serialization primitives
 179
 180                 assert(serializeString("") == mkstr("\0\0"));
 181                 assert(serializeWideString(L"") == mkstr("\0\0"));
 182                 assert(serializeLongString("") == mkstr("\0\0\0\0"));
 183                 assert(serializeJsonString("") == "\"\"");
 184
 185                 std::string teststring = "Hello world!";
 186                 assert(serializeString(teststring) ==
 187                         mkstr("\0\14Hello world!"));
 188                 assert(serializeWideString(narrow_to_wide(teststring)) ==
 189                         mkstr("\0\14\0H\0e\0l\0l\0o\0 \0w\0o\0r\0l\0d\0!"));
 190                 assert(serializeLongString(teststring) ==
 191                         mkstr("\0\0\0\14Hello world!"));
 192                 assert(serializeJsonString(teststring) ==
 193                         "\"Hello world!\"");
 194
 195                 std::string teststring2;
 196                 std::wstring teststring2_w;
 197                 std::string teststring2_w_encoded;
 198                 {
 199                         std::ostringstream tmp_os;
 200                         std::wostringstream tmp_os_w;
 201                         std::ostringstream tmp_os_w_encoded;
 202                         for(int i = 0; i < 256; i++)
 203                         {
 204                                 tmp_os<<(char)i;
 205                                 tmp_os_w<<(wchar_t)i;
 206                                 tmp_os_w_encoded<<(char)0<<(char)i;
 207                         }
 208                         teststring2 = tmp_os.str();
 209                         teststring2_w = tmp_os_w.str();
 210                         teststring2_w_encoded = tmp_os_w_encoded.str();
 211                 }
 212                 assert(serializeString(teststring2) ==
 213                         mkstr("\1\0") + teststring2);
 214                 assert(serializeWideString(teststring2_w) ==
 215                         mkstr("\1\0") + teststring2_w_encoded);
 216                 assert(serializeLongString(teststring2) ==
 217                         mkstr("\0\0\1\0") + teststring2);
 218                 // MSVC fails when directly using "\\\\"
 219                 std::string backslash = "\\";
 220                 assert(serializeJsonString(teststring2) ==
 221                         mkstr("\"") +
 222                         "\\u0000\\u0001\\u0002\\u0003\\u0004\\u0005\\u0006\\u0007" +
 223                         "\\b\\t\\n\\u000b\\f\\r\\u000e\\u000f" +
 224                         "\\u0010\\u0011\\u0012\\u0013\\u0014\\u0015\\u0016\\u0017" +
 225                         "\\u0018\\u0019\\u001a\\u001b\\u001c\\u001d\\u001e\\u001f" +
 226                         " !\\\"" + teststring2.substr(0x23, 0x2f-0x23) +
 227                         "\\/" + teststring2.substr(0x30, 0x5c-0x30) +
 228                         backslash + backslash + teststring2.substr(0x5d, 0x7f-0x5d) + "\\u007f" +
 229                         "\\u0080\\u0081\\u0082\\u0083\\u0084\\u0085\\u0086\\u0087" +
 230                         "\\u0088\\u0089\\u008a\\u008b\\u008c\\u008d\\u008e\\u008f" +
 231                         "\\u0090\\u0091\\u0092\\u0093\\u0094\\u0095\\u0096\\u0097" +
 232                         "\\u0098\\u0099\\u009a\\u009b\\u009c\\u009d\\u009e\\u009f" +
 233                         "\\u00a0\\u00a1\\u00a2\\u00a3\\u00a4\\u00a5\\u00a6\\u00a7" +
 234                         "\\u00a8\\u00a9\\u00aa\\u00ab\\u00ac\\u00ad\\u00ae\\u00af" +
 235                         "\\u00b0\\u00b1\\u00b2\\u00b3\\u00b4\\u00b5\\u00b6\\u00b7" +
 236                         "\\u00b8\\u00b9\\u00ba\\u00bb\\u00bc\\u00bd\\u00be\\u00bf" +
 237                         "\\u00c0\\u00c1\\u00c2\\u00c3\\u00c4\\u00c5\\u00c6\\u00c7" +
 238                         "\\u00c8\\u00c9\\u00ca\\u00cb\\u00cc\\u00cd\\u00ce\\u00cf" +
 239                         "\\u00d0\\u00d1\\u00d2\\u00d3\\u00d4\\u00d5\\u00d6\\u00d7" +
 240                         "\\u00d8\\u00d9\\u00da\\u00db\\u00dc\\u00dd\\u00de\\u00df" +
 241                         "\\u00e0\\u00e1\\u00e2\\u00e3\\u00e4\\u00e5\\u00e6\\u00e7" +
 242                         "\\u00e8\\u00e9\\u00ea\\u00eb\\u00ec\\u00ed\\u00ee\\u00ef" +
 243                         "\\u00f0\\u00f1\\u00f2\\u00f3\\u00f4\\u00f5\\u00f6\\u00f7" +
 244                         "\\u00f8\\u00f9\\u00fa\\u00fb\\u00fc\\u00fd\\u00fe\\u00ff" +
 245                         "\"");
 246
 247                 {
 248                         std::istringstream is(serializeString(teststring2), std::ios::binary);
 249                         assert(deSerializeString(is) == teststring2);
 250                         assert(!is.eof());
 251                         is.get();
 252                         assert(is.eof());
 253                 }
 254                 {
 255                         std::istringstream is(serializeWideString(teststring2_w), std::ios::binary);
 256                         assert(deSerializeWideString(is) == teststring2_w);
 257                         assert(!is.eof());
 258                         is.get();
 259                         assert(is.eof());
 260                 }
 261                 {
 262                         std::istringstream is(serializeLongString(teststring2), std::ios::binary);
 263                         assert(deSerializeLongString(is) == teststring2);
 264                         assert(!is.eof());
 265                         is.get();
 266                         assert(is.eof());
 267                 }
 268                 {
 269                         std::istringstream is(serializeJsonString(teststring2), std::ios::binary);
 270                         //dstream<<serializeJsonString(deSerializeJsonString(is));
 271                         assert(deSerializeJsonString(is) == teststring2);
 272                         assert(!is.eof());
 273                         is.get();
 274                         assert(is.eof());
 275                 }
 276         }
 277 };
 278
 279 struct TestCompress
 280 {
 281         void Run()
 282         {
 283                 { // ver 0
 284
 285                 SharedBuffer<u8> fromdata(4);
 286                 fromdata[0]=1;
 287                 fromdata[1]=5;
 288                 fromdata[2]=5;
 289                 fromdata[3]=1;
 290
 291                 std::ostringstream os(std::ios_base::binary);
 292                 compress(fromdata, os, 0);
 293
 294                 std::string str_out = os.str();
 295
 296                 infostream<<"str_out.size()="<<str_out.size()<<std::endl;
 297                 infostream<<"TestCompress: 1,5,5,1 -> ";
 298                 for(u32 i=0; i<str_out.size(); i++)
 299                 {
 300                         infostream<<(u32)str_out[i]<<",";
 301                 }
 302                 infostream<<std::endl;
 303
 304                 assert(str_out.size() == 10);
 305
 306                 assert(str_out[0] == 0);
 307                 assert(str_out[1] == 0);
 308                 assert(str_out[2] == 0);
 309                 assert(str_out[3] == 4);
 310                 assert(str_out[4] == 0);
 311                 assert(str_out[5] == 1);
 312                 assert(str_out[6] == 1);
 313                 assert(str_out[7] == 5);
 314                 assert(str_out[8] == 0);
 315                 assert(str_out[9] == 1);
 316
 317                 std::istringstream is(str_out, std::ios_base::binary);
 318                 std::ostringstream os2(std::ios_base::binary);
 319
 320                 decompress(is, os2, 0);
 321                 std::string str_out2 = os2.str();
 322
 323                 infostream<<"decompress: ";
 324                 for(u32 i=0; i<str_out2.size(); i++)
 325                 {
 326                         infostream<<(u32)str_out2[i]<<",";
 327                 }
 328                 infostream<<std::endl;
 329
 330                 assert(str_out2.size() == fromdata.getSize());
 331
 332                 for(u32 i=0; i<str_out2.size(); i++)
 333                 {
 334                         assert(str_out2[i] == fromdata[i]);
 335                 }
 336
 337                 }
 338
 339                 { // ver HIGHEST
 340
 341                 SharedBuffer<u8> fromdata(4);
 342                 fromdata[0]=1;
 343                 fromdata[1]=5;
 344                 fromdata[2]=5;
 345                 fromdata[3]=1;
 346
 347                 std::ostringstream os(std::ios_base::binary);
 348                 compress(fromdata, os, SER_FMT_VER_HIGHEST);
 349
 350                 std::string str_out = os.str();
 351
 352                 infostream<<"str_out.size()="<<str_out.size()<<std::endl;
 353                 infostream<<"TestCompress: 1,5,5,1 -> ";
 354                 for(u32 i=0; i<str_out.size(); i++)
 355                 {
 356                         infostream<<(u32)str_out[i]<<",";
 357                 }
 358                 infostream<<std::endl;
 359
 360                 /*assert(str_out.size() == 10);
 361
 362                 assert(str_out[0] == 0);
 363                 assert(str_out[1] == 0);
 364                 assert(str_out[2] == 0);
 365                 assert(str_out[3] == 4);
 366                 assert(str_out[4] == 0);
 367                 assert(str_out[5] == 1);
 368                 assert(str_out[6] == 1);
 369                 assert(str_out[7] == 5);
 370                 assert(str_out[8] == 0);
 371                 assert(str_out[9] == 1);*/
 372
 373                 std::istringstream is(str_out, std::ios_base::binary);
 374                 std::ostringstream os2(std::ios_base::binary);
 375
 376                 decompress(is, os2, SER_FMT_VER_HIGHEST);
 377                 std::string str_out2 = os2.str();
 378
 379                 infostream<<"decompress: ";
 380                 for(u32 i=0; i<str_out2.size(); i++)
 381                 {
 382                         infostream<<(u32)str_out2[i]<<",";
 383                 }
 384                 infostream<<std::endl;
 385
 386                 assert(str_out2.size() == fromdata.getSize());
 387
 388                 for(u32 i=0; i<str_out2.size(); i++)
 389                 {
 390                         assert(str_out2[i] == fromdata[i]);
 391                 }
 392
 393                 }
 394         }
 395 };
 396
 397 struct TestMapNode
 398 {
 399         void Run(INodeDefManager *nodedef)
 400         {
 401                 MapNode n;
 402
 403                 // Default values
 404                 assert(n.getContent() == CONTENT_AIR);
 405                 assert(n.getLight(LIGHTBANK_DAY, nodedef) == 0);
 406                 assert(n.getLight(LIGHTBANK_NIGHT, nodedef) == 0);
 407
 408                 // Transparency
 409                 n.setContent(CONTENT_AIR);
 410                 assert(nodedef->get(n).light_propagates == true);
 411                 n.setContent(LEGN(nodedef, "CONTENT_STONE"));
 412                 assert(nodedef->get(n).light_propagates == false);
 413         }
 414 };
 415
 416 struct TestVoxelManipulator
 417 {
 418         void Run(INodeDefManager *nodedef)
 419         {
 420                 /*
 421                         VoxelArea
 422                 */
 423
 424                 VoxelArea a(v3s16(-1,-1,-1), v3s16(1,1,1));
 425                 assert(a.index(0,0,0) == 1*3*3 + 1*3 + 1);
 426                 assert(a.index(-1,-1,-1) == 0);
 427
 428                 VoxelArea c(v3s16(-2,-2,-2), v3s16(2,2,2));
 429                 // An area that is 1 bigger in x+ and z-
 430                 VoxelArea d(v3s16(-2,-2,-3), v3s16(3,2,2));
 431
 432                 core::list<VoxelArea> aa;
 433                 d.diff(c, aa);
 434
 435                 // Correct results
 436                 core::array<VoxelArea> results;
 437                 results.push_back(VoxelArea(v3s16(-2,-2,-3),v3s16(3,2,-3)));
 438                 results.push_back(VoxelArea(v3s16(3,-2,-2),v3s16(3,2,2)));
 439
 440                 assert(aa.size() == results.size());
 441
 442                 infostream<<"Result of diff:"<<std::endl;
 443                 for(core::list<VoxelArea>::Iterator
 444                                 i = aa.begin(); i != aa.end(); i++)
 445                 {
 446                         i->print(infostream);
 447                         infostream<<std::endl;
 448
 449                         s32 j = results.linear_search(*i);
 450                         assert(j != -1);
 451                         results.erase(j, 1);
 452                 }
 453
 454
 455                 /*
 456                         VoxelManipulator
 457                 */
 458
 459                 VoxelManipulator v;
 460
 461                 v.print(infostream, nodedef);
 462
 463                 infostream<<"*** Setting (-1,0,-1)=2 ***"<<std::endl;
 464
 465                 v.setNodeNoRef(v3s16(-1,0,-1), MapNode(CONTENT_GRASS));
 466
 467                 v.print(infostream, nodedef);
 468
 469                 assert(v.getNode(v3s16(-1,0,-1)).getContent() == CONTENT_GRASS);
 470
 471                 infostream<<"*** Reading from inexistent (0,0,-1) ***"<<std::endl;
 472
 473                 EXCEPTION_CHECK(InvalidPositionException, v.getNode(v3s16(0,0,-1)));
 474
 475                 v.print(infostream, nodedef);
 476
 477                 infostream<<"*** Adding area ***"<<std::endl;
 478
 479                 v.addArea(a);
 480
 481                 v.print(infostream, nodedef);
 482
 483                 assert(v.getNode(v3s16(-1,0,-1)).getContent() == CONTENT_GRASS);
 484                 EXCEPTION_CHECK(InvalidPositionException, v.getNode(v3s16(0,1,1)));
 485         }
 486 };
 487
 488 /*
 489         NOTE: These tests became non-working then NodeContainer was removed.
 490               These should be redone, utilizing some kind of a virtual
 491                   interface for Map (IMap would be fine).
 492 */
 493 #if 0
 494 struct TestMapBlock
 495 {
 496         class TC : public NodeContainer
 497         {
 498         public:
 499
 500                 MapNode node;
 501                 bool position_valid;
 502                 core::list<v3s16> validity_exceptions;
 503
 504                 TC()
 505                 {
 506                         position_valid = true;
 507                 }
 508
 509                 virtual bool isValidPosition(v3s16 p)
 510                 {
 511                         //return position_valid ^ (p==position_valid_exception);
 512                         bool exception = false;
 513                         for(core::list<v3s16>::Iterator i=validity_exceptions.begin();
 514                                         i != validity_exceptions.end(); i++)
 515                         {
 516                                 if(p == *i)
 517                                 {
 518                                         exception = true;
 519                                         break;
 520                                 }
 521                         }
 522                         return exception ? !position_valid : position_valid;
 523                 }
 524
 525                 virtual MapNode getNode(v3s16 p)
 526                 {
 527                         if(isValidPosition(p) == false)
 528                                 throw InvalidPositionException();
 529                         return node;
 530                 }
 531
 532                 virtual void setNode(v3s16 p, MapNode & n)
 533                 {
 534                         if(isValidPosition(p) == false)
 535                                 throw InvalidPositionException();
 536                 };
 537
 538                 virtual u16 nodeContainerId() const
 539                 {
 540                         return 666;
 541                 }
 542         };
 543
 544         void Run()
 545         {
 546                 TC parent;
 547
 548                 MapBlock b(&parent, v3s16(1,1,1));
 549                 v3s16 relpos(MAP_BLOCKSIZE, MAP_BLOCKSIZE, MAP_BLOCKSIZE);
 550
 551                 assert(b.getPosRelative() == relpos);
 552
 553                 assert(b.getBox().MinEdge.X == MAP_BLOCKSIZE);
 554                 assert(b.getBox().MaxEdge.X == MAP_BLOCKSIZE*2-1);
 555                 assert(b.getBox().MinEdge.Y == MAP_BLOCKSIZE);
 556                 assert(b.getBox().MaxEdge.Y == MAP_BLOCKSIZE*2-1);
 557                 assert(b.getBox().MinEdge.Z == MAP_BLOCKSIZE);
 558                 assert(b.getBox().MaxEdge.Z == MAP_BLOCKSIZE*2-1);
 559
 560                 assert(b.isValidPosition(v3s16(0,0,0)) == true);
 561                 assert(b.isValidPosition(v3s16(-1,0,0)) == false);
 562                 assert(b.isValidPosition(v3s16(-1,-142,-2341)) == false);
 563                 assert(b.isValidPosition(v3s16(-124,142,2341)) == false);
 564                 assert(b.isValidPosition(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1)) == true);
 565                 assert(b.isValidPosition(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE,MAP_BLOCKSIZE-1)) == false);
 566
 567                 /*
 568                         TODO: this method should probably be removed
 569                         if the block size isn't going to be set variable
 570                 */
 571                 /*assert(b.getSizeNodes() == v3s16(MAP_BLOCKSIZE,
 572                                 MAP_BLOCKSIZE, MAP_BLOCKSIZE));*/
 573
 574                 // Changed flag should be initially set
 575                 assert(b.getModified() == MOD_STATE_WRITE_NEEDED);
 576                 b.resetModified();
 577                 assert(b.getModified() == MOD_STATE_CLEAN);
 578
 579                 // All nodes should have been set to
 580                 // .d=CONTENT_IGNORE and .getLight() = 0
 581                 for(u16 z=0; z<MAP_BLOCKSIZE; z++)
 582                 for(u16 y=0; y<MAP_BLOCKSIZE; y++)
 583                 for(u16 x=0; x<MAP_BLOCKSIZE; x++)
 584                 {
 585                         //assert(b.getNode(v3s16(x,y,z)).getContent() == CONTENT_AIR);
 586                         assert(b.getNode(v3s16(x,y,z)).getContent() == CONTENT_IGNORE);
 587                         assert(b.getNode(v3s16(x,y,z)).getLight(LIGHTBANK_DAY) == 0);
 588                         assert(b.getNode(v3s16(x,y,z)).getLight(LIGHTBANK_NIGHT) == 0);
 589                 }
 590
 591                 {
 592                         MapNode n(CONTENT_AIR);
 593                         for(u16 z=0; z<MAP_BLOCKSIZE; z++)
 594                         for(u16 y=0; y<MAP_BLOCKSIZE; y++)
 595                         for(u16 x=0; x<MAP_BLOCKSIZE; x++)
 596                         {
 597                                 b.setNode(v3s16(x,y,z), n);
 598                         }
 599                 }
 600
 601                 /*
 602                         Parent fetch functions
 603                 */
 604                 parent.position_valid = false;
 605                 parent.node.setContent(5);
 606
 607                 MapNode n;
 608
 609                 // Positions in the block should still be valid
 610                 assert(b.isValidPositionParent(v3s16(0,0,0)) == true);
 611                 assert(b.isValidPositionParent(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1)) == true);
 612                 n = b.getNodeParent(v3s16(0,MAP_BLOCKSIZE-1,0));
 613                 assert(n.getContent() == CONTENT_AIR);
 614
 615                 // ...but outside the block they should be invalid
 616                 assert(b.isValidPositionParent(v3s16(-121,2341,0)) == false);
 617                 assert(b.isValidPositionParent(v3s16(-1,0,0)) == false);
 618                 assert(b.isValidPositionParent(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE)) == false);
 619
 620                 {
 621                         bool exception_thrown = false;
 622                         try{
 623                                 // This should throw an exception
 624                                 MapNode n = b.getNodeParent(v3s16(0,0,-1));
 625                         }
 626                         catch(InvalidPositionException &e)
 627                         {
 628                                 exception_thrown = true;
 629                         }
 630                         assert(exception_thrown);
 631                 }
 632
 633                 parent.position_valid = true;
 634                 // Now the positions outside should be valid
 635                 assert(b.isValidPositionParent(v3s16(-121,2341,0)) == true);
 636                 assert(b.isValidPositionParent(v3s16(-1,0,0)) == true);
 637                 assert(b.isValidPositionParent(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE)) == true);
 638                 n = b.getNodeParent(v3s16(0,0,MAP_BLOCKSIZE));
 639                 assert(n.getContent() == 5);
 640
 641                 /*
 642                         Set a node
 643                 */
 644                 v3s16 p(1,2,0);
 645                 n.setContent(4);
 646                 b.setNode(p, n);
 647                 assert(b.getNode(p).getContent() == 4);
 648                 //TODO: Update to new system
 649                 /*assert(b.getNodeTile(p) == 4);
 650                 assert(b.getNodeTile(v3s16(-1,-1,0)) == 5);*/
 651
 652                 /*
 653                         propagateSunlight()
 654                 */
 655                 // Set lighting of all nodes to 0
 656                 for(u16 z=0; z<MAP_BLOCKSIZE; z++){
 657                         for(u16 y=0; y<MAP_BLOCKSIZE; y++){
 658                                 for(u16 x=0; x<MAP_BLOCKSIZE; x++){
 659                                         MapNode n = b.getNode(v3s16(x,y,z));
 660                                         n.setLight(LIGHTBANK_DAY, 0);
 661                                         n.setLight(LIGHTBANK_NIGHT, 0);
 662                                         b.setNode(v3s16(x,y,z), n);
 663                                 }
 664                         }
 665                 }
 666                 {
 667                         /*
 668                                 Check how the block handles being a lonely sky block
 669                         */
 670                         parent.position_valid = true;
 671                         b.setIsUnderground(false);
 672                         parent.node.setContent(CONTENT_AIR);
 673                         parent.node.setLight(LIGHTBANK_DAY, LIGHT_SUN);
 674                         parent.node.setLight(LIGHTBANK_NIGHT, 0);
 675                         core::map<v3s16, bool> light_sources;
 676                         // The bottom block is invalid, because we have a shadowing node
 677                         assert(b.propagateSunlight(light_sources) == false);
 678                         assert(b.getNode(v3s16(1,4,0)).getLight(LIGHTBANK_DAY) == LIGHT_SUN);
 679                         assert(b.getNode(v3s16(1,3,0)).getLight(LIGHTBANK_DAY) == LIGHT_SUN);
 680                         assert(b.getNode(v3s16(1,2,0)).getLight(LIGHTBANK_DAY) == 0);
 681                         assert(b.getNode(v3s16(1,1,0)).getLight(LIGHTBANK_DAY) == 0);
 682                         assert(b.getNode(v3s16(1,0,0)).getLight(LIGHTBANK_DAY) == 0);
 683                         assert(b.getNode(v3s16(1,2,3)).getLight(LIGHTBANK_DAY) == LIGHT_SUN);
 684                         assert(b.getFaceLight2(1000, p, v3s16(0,1,0)) == LIGHT_SUN);
 685                         assert(b.getFaceLight2(1000, p, v3s16(0,-1,0)) == 0);
 686                         assert(b.getFaceLight2(0, p, v3s16(0,-1,0)) == 0);
 687                         // According to MapBlock::getFaceLight,
 688                         // The face on the z+ side should have double-diminished light
 689                         //assert(b.getFaceLight(p, v3s16(0,0,1)) == diminish_light(diminish_light(LIGHT_MAX)));
 690                         // The face on the z+ side should have diminished light
 691                         assert(b.getFaceLight2(1000, p, v3s16(0,0,1)) == diminish_light(LIGHT_MAX));
 692                 }
 693                 /*
 694                         Check how the block handles being in between blocks with some non-sunlight
 695                         while being underground
 696                 */
 697                 {
 698                         // Make neighbours to exist and set some non-sunlight to them
 699                         parent.position_valid = true;
 700                         b.setIsUnderground(true);
 701                         parent.node.setLight(LIGHTBANK_DAY, LIGHT_MAX/2);
 702                         core::map<v3s16, bool> light_sources;
 703                         // The block below should be valid because there shouldn't be
 704                         // sunlight in there either
 705                         assert(b.propagateSunlight(light_sources, true) == true);
 706                         // Should not touch nodes that are not affected (that is, all of them)
 707                         //assert(b.getNode(v3s16(1,2,3)).getLight() == LIGHT_SUN);
 708                         // Should set light of non-sunlighted blocks to 0.
 709                         assert(b.getNode(v3s16(1,2,3)).getLight(LIGHTBANK_DAY) == 0);
 710                 }
 711                 /*
 712                         Set up a situation where:
 713                         - There is only air in this block
 714                         - There is a valid non-sunlighted block at the bottom, and
 715                         - Invalid blocks elsewhere.
 716                         - the block is not underground.
 717
 718                         This should result in bottom block invalidity
 719                 */
 720                 {
 721                         b.setIsUnderground(false);
 722                         // Clear block
 723                         for(u16 z=0; z<MAP_BLOCKSIZE; z++){
 724                                 for(u16 y=0; y<MAP_BLOCKSIZE; y++){
 725                                         for(u16 x=0; x<MAP_BLOCKSIZE; x++){
 726                                                 MapNode n;
 727                                                 n.setContent(CONTENT_AIR);
 728                                                 n.setLight(LIGHTBANK_DAY, 0);
 729                                                 b.setNode(v3s16(x,y,z), n);
 730                                         }
 731                                 }
 732                         }
 733                         // Make neighbours invalid
 734                         parent.position_valid = false;
 735                         // Add exceptions to the top of the bottom block
 736                         for(u16 x=0; x<MAP_BLOCKSIZE; x++)
 737                         for(u16 z=0; z<MAP_BLOCKSIZE; z++)
 738                         {
 739                                 parent.validity_exceptions.push_back(v3s16(MAP_BLOCKSIZE+x, MAP_BLOCKSIZE-1, MAP_BLOCKSIZE+z));
 740                         }
 741                         // Lighting value for the valid nodes
 742                         parent.node.setLight(LIGHTBANK_DAY, LIGHT_MAX/2);
 743                         core::map<v3s16, bool> light_sources;
 744                         // Bottom block is not valid
 745                         assert(b.propagateSunlight(light_sources) == false);
 746                 }
 747         }
 748 };
 749
 750 struct TestMapSector
 751 {
 752         class TC : public NodeContainer
 753         {
 754         public:
 755
 756                 MapNode node;
 757                 bool position_valid;
 758
 759                 TC()
 760                 {
 761                         position_valid = true;
 762                 }
 763
 764                 virtual bool isValidPosition(v3s16 p)
 765                 {
 766                         return position_valid;
 767                 }
 768
 769                 virtual MapNode getNode(v3s16 p)
 770                 {
 771                         if(position_valid == false)
 772                                 throw InvalidPositionException();
 773                         return node;
 774                 }
 775
 776                 virtual void setNode(v3s16 p, MapNode & n)
 777                 {
 778                         if(position_valid == false)
 779                                 throw InvalidPositionException();
 780                 };
 781
 782                 virtual u16 nodeContainerId() const
 783                 {
 784                         return 666;
 785                 }
 786         };
 787
 788         void Run()
 789         {
 790                 TC parent;
 791                 parent.position_valid = false;
 792
 793                 // Create one with no heightmaps
 794                 ServerMapSector sector(&parent, v2s16(1,1));
 795
 796                 assert(sector.getBlockNoCreateNoEx(0) == 0);
 797                 assert(sector.getBlockNoCreateNoEx(1) == 0);
 798
 799                 MapBlock * bref = sector.createBlankBlock(-2);
 800
 801                 assert(sector.getBlockNoCreateNoEx(0) == 0);
 802                 assert(sector.getBlockNoCreateNoEx(-2) == bref);
 803
 804                 //TODO: Check for AlreadyExistsException
 805
 806                 /*bool exception_thrown = false;
 807                 try{
 808                         sector.getBlock(0);
 809                 }
 810                 catch(InvalidPositionException &e){
 811                         exception_thrown = true;
 812                 }
 813                 assert(exception_thrown);*/
 814
 815         }
 816 };
 817 #endif
 818
 819 struct TestSocket
 820 {
 821         void Run()
 822         {
 823                 const int port = 30003;
 824                 UDPSocket socket;
 825                 socket.Bind(port);
 826
 827                 const char sendbuffer[] = "hello world!";
 828                 socket.Send(Address(127,0,0,1,port), sendbuffer, sizeof(sendbuffer));
 829
 830                 sleep_ms(50);
 831
 832                 char rcvbuffer[256];
 833                 memset(rcvbuffer, 0, sizeof(rcvbuffer));
 834                 Address sender;
 835                 for(;;)
 836                 {
 837                         int bytes_read = socket.Receive(sender, rcvbuffer, sizeof(rcvbuffer));
 838                         if(bytes_read < 0)
 839                                 break;
 840                 }
 841                 //FIXME: This fails on some systems
 842                 assert(strncmp(sendbuffer, rcvbuffer, sizeof(sendbuffer))==0);
 843                 assert(sender.getAddress() == Address(127,0,0,1, 0).getAddress());
 844         }
 845 };
 846
 847 struct TestConnection
 848 {
 849         void TestHelpers()
 850         {
 851                 /*
 852                         Test helper functions
 853                 */
 854
 855                 // Some constants for testing
 856                 u32 proto_id = 0x12345678;
 857                 u16 peer_id = 123;
 858                 u8 channel = 2;
 859                 SharedBuffer<u8> data1(1);
 860                 data1[0] = 100;
 861                 Address a(127,0,0,1, 10);
 862                 u16 seqnum = 34352;
 863
 864                 con::BufferedPacket p1 = con::makePacket(a, data1,
 865                                 proto_id, peer_id, channel);
 866                 /*
 867                         We should now have a packet with this data:
 868                         Header:
 869                                 [0] u32 protocol_id
 870                                 [4] u16 sender_peer_id
 871                                 [6] u8 channel
 872                         Data:
 873                                 [7] u8 data1[0]
 874                 */
 875                 assert(readU32(&p1.data[0]) == proto_id);
 876                 assert(readU16(&p1.data[4]) == peer_id);
 877                 assert(readU8(&p1.data[6]) == channel);
 878                 assert(readU8(&p1.data[7]) == data1[0]);
 879
 880                 //infostream<<"initial data1[0]="<<((u32)data1[0]&0xff)<<std::endl;
 881
 882                 SharedBuffer<u8> p2 = con::makeReliablePacket(data1, seqnum);
 883
 884                 /*infostream<<"p2.getSize()="<<p2.getSize()<<", data1.getSize()="
 885                                 <<data1.getSize()<<std::endl;
 886                 infostream<<"readU8(&p2[3])="<<readU8(&p2[3])
 887                                 <<" p2[3]="<<((u32)p2[3]&0xff)<<std::endl;
 888                 infostream<<"data1[0]="<<((u32)data1[0]&0xff)<<std::endl;*/
 889
 890                 assert(p2.getSize() == 3 + data1.getSize());
 891                 assert(readU8(&p2[0]) == TYPE_RELIABLE);
 892                 assert(readU16(&p2[1]) == seqnum);
 893                 assert(readU8(&p2[3]) == data1[0]);
 894         }
 895
 896         struct Handler : public con::PeerHandler
 897         {
 898                 Handler(const char *a_name)
 899                 {
 900                         count = 0;
 901                         last_id = 0;
 902                         name = a_name;
 903                 }
 904                 void peerAdded(con::Peer *peer)
 905                 {
 906                         infostream<<"Handler("<<name<<")::peerAdded(): "
 907                                         "id="<<peer->id<<std::endl;
 908                         last_id = peer->id;
 909                         count++;
 910                 }
 911                 void deletingPeer(con::Peer *peer, bool timeout)
 912                 {
 913                         infostream<<"Handler("<<name<<")::deletingPeer(): "
 914                                         "id="<<peer->id
 915                                         <<", timeout="<<timeout<<std::endl;
 916                         last_id = peer->id;
 917                         count--;
 918                 }
 919
 920                 s32 count;
 921                 u16 last_id;
 922                 const char *name;
 923         };
 924
 925         void Run()
 926         {
 927                 DSTACK("TestConnection::Run");
 928
 929                 TestHelpers();
 930
 931                 /*
 932                         Test some real connections
 933
 934                         NOTE: This mostly tests the legacy interface.
 935                 */
 936
 937                 u32 proto_id = 0xad26846a;
 938
 939                 Handler hand_server("server");
 940                 Handler hand_client("client");
 941
 942                 infostream<<"** Creating server Connection"<<std::endl;
 943                 con::Connection server(proto_id, 512, 5.0, &hand_server);
 944                 server.Serve(30001);
 945
 946                 infostream<<"** Creating client Connection"<<std::endl;
 947                 con::Connection client(proto_id, 512, 5.0, &hand_client);
 948
 949                 assert(hand_server.count == 0);
 950                 assert(hand_client.count == 0);
 951
 952                 sleep_ms(50);
 953
 954                 Address server_address(127,0,0,1, 30001);
 955                 infostream<<"** running client.Connect()"<<std::endl;
 956                 client.Connect(server_address);
 957
 958                 sleep_ms(50);
 959
 960                 // Client should not have added client yet
 961                 assert(hand_client.count == 0);
 962
 963                 try
 964                 {
 965                         u16 peer_id;
 966                         SharedBuffer<u8> data;
 967                         infostream<<"** running client.Receive()"<<std::endl;
 968                         u32 size = client.Receive(peer_id, data);
 969                         infostream<<"** Client received: peer_id="<<peer_id
 970                                         <<", size="<<size
 971                                         <<std::endl;
 972                 }
 973                 catch(con::NoIncomingDataException &e)
 974                 {
 975                 }
 976
 977                 // Client should have added server now
 978                 assert(hand_client.count == 1);
 979                 assert(hand_client.last_id == 1);
 980                 // Server should not have added client yet
 981                 assert(hand_server.count == 0);
 982
 983                 sleep_ms(50);
 984
 985                 try
 986                 {
 987                         u16 peer_id;
 988                         SharedBuffer<u8> data;
 989                         infostream<<"** running server.Receive()"<<std::endl;
 990                         u32 size = server.Receive(peer_id, data);
 991                         infostream<<"** Server received: peer_id="<<peer_id
 992                                         <<", size="<<size
 993                                         <<std::endl;
 994                 }
 995                 catch(con::NoIncomingDataException &e)
 996                 {
 997                         // No actual data received, but the client has
 998                         // probably been connected
 999                 }
1000
1001                 // Client should be the same
1002                 assert(hand_client.count == 1);
1003                 assert(hand_client.last_id == 1);
1004                 // Server should have the client
1005                 assert(hand_server.count == 1);
1006                 assert(hand_server.last_id == 2);
1007
1008                 //sleep_ms(50);
1009
1010                 while(client.Connected() == false)
1011                 {
1012                         try
1013                         {
1014                                 u16 peer_id;
1015                                 SharedBuffer<u8> data;
1016                                 infostream<<"** running client.Receive()"<<std::endl;
1017                                 u32 size = client.Receive(peer_id, data);
1018                                 infostream<<"** Client received: peer_id="<<peer_id
1019                                                 <<", size="<<size
1020                                                 <<std::endl;
1021                         }
1022                         catch(con::NoIncomingDataException &e)
1023                         {
1024                         }
1025                         sleep_ms(50);
1026                 }
1027
1028                 sleep_ms(50);
1029
1030                 try
1031                 {
1032                         u16 peer_id;
1033                         SharedBuffer<u8> data;
1034                         infostream<<"** running server.Receive()"<<std::endl;
1035                         u32 size = server.Receive(peer_id, data);
1036                         infostream<<"** Server received: peer_id="<<peer_id
1037                                         <<", size="<<size
1038                                         <<std::endl;
1039                 }
1040                 catch(con::NoIncomingDataException &e)
1041                 {
1042                 }
1043 #if 1
1044                 /*
1045                         Simple send-receive test
1046                 */
1047                 {
1048                         /*u8 data[] = "Hello World!";
1049                         u32 datasize = sizeof(data);*/
1050                         SharedBuffer<u8> data = SharedBufferFromString("Hello World!");
1051
1052                         infostream<<"** running client.Send()"<<std::endl;
1053                         client.Send(PEER_ID_SERVER, 0, data, true);
1054
1055                         sleep_ms(50);
1056
1057                         u16 peer_id;
1058                         SharedBuffer<u8> recvdata;
1059                         infostream<<"** running server.Receive()"<<std::endl;
1060                         u32 size = server.Receive(peer_id, recvdata);
1061                         infostream<<"** Server received: peer_id="<<peer_id
1062                                         <<", size="<<size
1063                                         <<", data="<<*data
1064                                         <<std::endl;
1065                         assert(memcmp(*data, *recvdata, data.getSize()) == 0);
1066                 }
1067 #endif
1068                 u16 peer_id_client = 2;
1069 #if 0
1070                 /*
1071                         Send consequent packets in different order
1072                         Not compatible with new Connection, thus commented out.
1073                 */
1074                 {
1075                         //u8 data1[] = "hello1";
1076                         //u8 data2[] = "hello2";
1077                         SharedBuffer<u8> data1 = SharedBufferFromString("hello1");
1078                         SharedBuffer<u8> data2 = SharedBufferFromString("Hello2");
1079
1080                         Address client_address =
1081                                         server.GetPeerAddress(peer_id_client);
1082
1083                         infostream<<"*** Sending packets in wrong order (2,1,2)"
1084                                         <<std::endl;
1085
1086                         u8 chn = 0;
1087                         con::Channel *ch = &server.getPeer(peer_id_client)->channels[chn];
1088                         u16 sn = ch->next_outgoing_seqnum;
1089                         ch->next_outgoing_seqnum = sn+1;
1090                         server.Send(peer_id_client, chn, data2, true);
1091                         ch->next_outgoing_seqnum = sn;
1092                         server.Send(peer_id_client, chn, data1, true);
1093                         ch->next_outgoing_seqnum = sn+1;
1094                         server.Send(peer_id_client, chn, data2, true);
1095
1096                         sleep_ms(50);
1097
1098                         infostream<<"*** Receiving the packets"<<std::endl;
1099
1100                         u16 peer_id;
1101                         SharedBuffer<u8> recvdata;
1102                         u32 size;
1103
1104                         infostream<<"** running client.Receive()"<<std::endl;
1105                         peer_id = 132;
1106                         size = client.Receive(peer_id, recvdata);
1107                         infostream<<"** Client received: peer_id="<<peer_id
1108                                         <<", size="<<size
1109                                         <<", data="<<*recvdata
1110                                         <<std::endl;
1111                         assert(size == data1.getSize());
1112                         assert(memcmp(*data1, *recvdata, data1.getSize()) == 0);
1113                         assert(peer_id == PEER_ID_SERVER);
1114
1115                         infostream<<"** running client.Receive()"<<std::endl;
1116                         peer_id = 132;
1117                         size = client.Receive(peer_id, recvdata);
1118                         infostream<<"** Client received: peer_id="<<peer_id
1119                                         <<", size="<<size
1120                                         <<", data="<<*recvdata
1121                                         <<std::endl;
1122                         assert(size == data2.getSize());
1123                         assert(memcmp(*data2, *recvdata, data2.getSize()) == 0);
1124                         assert(peer_id == PEER_ID_SERVER);
1125
1126                         bool got_exception = false;
1127                         try
1128                         {
1129                                 infostream<<"** running client.Receive()"<<std::endl;
1130                                 peer_id = 132;
1131                                 size = client.Receive(peer_id, recvdata);
1132                                 infostream<<"** Client received: peer_id="<<peer_id
1133                                                 <<", size="<<size
1134                                                 <<", data="<<*recvdata
1135                                                 <<std::endl;
1136                         }
1137                         catch(con::NoIncomingDataException &e)
1138                         {
1139                                 infostream<<"** No incoming data for client"<<std::endl;
1140                                 got_exception = true;
1141                         }
1142                         assert(got_exception);
1143                 }
1144 #endif
1145 #if 0
1146                 /*
1147                         Send large amounts of packets (infinite test)
1148                         Commented out because of infinity.
1149                 */
1150                 {
1151                         infostream<<"Sending large amounts of packets (infinite test)"<<std::endl;
1152                         int sendcount = 0;
1153                         for(;;){
1154                                 int datasize = myrand_range(0,5)==0?myrand_range(100,10000):myrand_range(0,100);
1155                                 infostream<<"datasize="<<datasize<<std::endl;
1156                                 SharedBuffer<u8> data1(datasize);
1157                                 for(u16 i=0; i<datasize; i++)
1158                                         data1[i] = i/4;
1159
1160                                 int sendtimes = myrand_range(1,10);
1161                                 for(int i=0; i<sendtimes; i++){
1162                                         server.Send(peer_id_client, 0, data1, true);
1163                                         sendcount++;
1164                                 }
1165                                 infostream<<"sendcount="<<sendcount<<std::endl;
1166
1167                                 //int receivetimes = myrand_range(1,20);
1168                                 int receivetimes = 20;
1169                                 for(int i=0; i<receivetimes; i++){
1170                                         SharedBuffer<u8> recvdata;
1171                                         u16 peer_id = 132;
1172                                         u16 size = 0;
1173                                         bool received = false;
1174                                         try{
1175                                                 size = client.Receive(peer_id, recvdata);
1176                                                 received = true;
1177                                         }catch(con::NoIncomingDataException &e){
1178                                         }
1179                                 }
1180                         }
1181                 }
1182 #endif
1183                 /*
1184                         Send a large packet
1185                 */
1186                 {
1187                         const int datasize = 30000;
1188                         SharedBuffer<u8> data1(datasize);
1189                         for(u16 i=0; i<datasize; i++){
1190                                 data1[i] = i/4;
1191                         }
1192
1193                         infostream<<"Sending data (size="<<datasize<<"):";
1194                         for(int i=0; i<datasize && i<20; i++){
1195                                 if(i%2==0) DEBUGPRINT(" ");
1196                                 DEBUGPRINT("%.2X", ((int)((const char*)*data1)[i])&0xff);
1197                         }
1198                         if(datasize>20)
1199                                 infostream<<"...";
1200                         infostream<<std::endl;
1201
1202                         server.Send(peer_id_client, 0, data1, true);
1203
1204                         sleep_ms(3000);
1205
1206                         SharedBuffer<u8> recvdata;
1207                         infostream<<"** running client.Receive()"<<std::endl;
1208                         u16 peer_id = 132;
1209                         u16 size = 0;
1210                         bool received = false;
1211                         u32 timems0 = porting::getTimeMs();
1212                         for(;;){
1213                                 if(porting::getTimeMs() - timems0 > 5000)
1214                                         break;
1215                                 try{
1216                                         size = client.Receive(peer_id, recvdata);
1217                                         received = true;
1218                                 }catch(con::NoIncomingDataException &e){
1219                                 }
1220                                 sleep_ms(10);
1221                         }
1222                         assert(received);
1223                         infostream<<"** Client received: peer_id="<<peer_id
1224                                         <<", size="<<size
1225                                         <<std::endl;
1226
1227                         infostream<<"Received data (size="<<size<<"):";
1228                         for(int i=0; i<size && i<20; i++){
1229                                 if(i%2==0) DEBUGPRINT(" ");
1230                                 DEBUGPRINT("%.2X", ((int)(recvdata[i]))&0xff);
1231                         }
1232                         if(size>20)
1233                                 infostream<<"...";
1234                         infostream<<std::endl;
1235
1236                         assert(memcmp(*data1, *recvdata, data1.getSize()) == 0);
1237                         assert(peer_id == PEER_ID_SERVER);
1238                 }
1239
1240                 // Check peer handlers
1241                 assert(hand_client.count == 1);
1242                 assert(hand_client.last_id == 1);
1243                 assert(hand_server.count == 1);
1244                 assert(hand_server.last_id == 2);
1245
1246                 //assert(0);
1247         }
1248 };
1249
1250 #define TEST(X)\
1251 {\
1252         X x;\
1253         infostream<<"Running " #X <<std::endl;\
1254         x.Run();\
1255 }
1256
1257 #define TESTPARAMS(X, ...)\
1258 {\
1259         X x;\
1260         infostream<<"Running " #X <<std::endl;\
1261         x.Run(__VA_ARGS__);\
1262 }
1263
1264 void run_tests()
1265 {
1266         DSTACK(__FUNCTION_NAME);
1267
1268         // Create item and node definitions
1269         IWritableItemDefManager *idef = createItemDefManager();
1270         IWritableNodeDefManager *ndef = createNodeDefManager();
1271         define_some_nodes(idef, ndef);
1272
1273         infostream<<"run_tests() started"<<std::endl;
1274         TEST(TestUtilities);
1275         TEST(TestSettings);
1276         TEST(TestCompress);
1277         TEST(TestSerialization);
1278         TESTPARAMS(TestMapNode, ndef);
1279         TESTPARAMS(TestVoxelManipulator, ndef);
1280         //TEST(TestMapBlock);
1281         //TEST(TestMapSector);
1282         if(INTERNET_SIMULATOR == false){
1283                 TEST(TestSocket);
1284                 dout_con<<"=== BEGIN RUNNING UNIT TESTS FOR CONNECTION ==="<<std::endl;
1285                 TEST(TestConnection);
1286                 dout_con<<"=== END RUNNING UNIT TESTS FOR CONNECTION ==="<<std::endl;
1287         }
1288         infostream<<"run_tests() passed"<<std::endl;
1289 }
1290