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 "mapsector.h"
  35 #include "settings.h"
  36
  37 /*
  38         Asserts that the exception occurs
  39 */
  40 #define EXCEPTION_CHECK(EType, code)\
  41 {\
  42         bool exception_thrown = false;\
  43         try{ code; }\
  44         catch(EType &e) { exception_thrown = true; }\
  45         assert(exception_thrown);\
  46 }
  47
  48 struct TestUtilities
  49 {
  50         void Run()
  51         {
  52                 /*dstream<<"wrapDegrees(100.0) = "<<wrapDegrees(100.0)<<std::endl;
  53                 dstream<<"wrapDegrees(720.5) = "<<wrapDegrees(720.5)<<std::endl;
  54                 dstream<<"wrapDegrees(-0.5) = "<<wrapDegrees(-0.5)<<std::endl;*/
  55                 assert(fabs(wrapDegrees(100.0) - 100.0) < 0.001);
  56                 assert(fabs(wrapDegrees(720.5) - 0.5) < 0.001);
  57                 assert(fabs(wrapDegrees(-0.5) - (-0.5)) < 0.001);
  58                 assert(fabs(wrapDegrees(-365.5) - (-5.5)) < 0.001);
  59                 assert(lowercase("Foo bAR") == "foo bar");
  60                 assert(is_yes("YeS") == true);
  61                 assert(is_yes("") == false);
  62                 assert(is_yes("FAlse") == false);
  63         }
  64 };
  65
  66 struct TestSettings
  67 {
  68         void Run()
  69         {
  70                 Settings s;
  71                 // Test reading of settings
  72                 s.parseConfigLine("leet = 1337");
  73                 s.parseConfigLine("leetleet = 13371337");
  74                 s.parseConfigLine("leetleet_neg = -13371337");
  75                 s.parseConfigLine("floaty_thing = 1.1");
  76                 s.parseConfigLine("stringy_thing = asd /( ¤%&(/\" BLÖÄRP");
  77                 s.parseConfigLine("coord = (1, 2, 4.5)");
  78                 assert(s.getS32("leet") == 1337);
  79                 assert(s.getS16("leetleet") == 32767);
  80                 assert(s.getS16("leetleet_neg") == -32768);
  81                 // Not sure if 1.1 is an exact value as a float, but doesn't matter
  82                 assert(fabs(s.getFloat("floaty_thing") - 1.1) < 0.001);
  83                 assert(s.get("stringy_thing") == "asd /( ¤%&(/\" BLÖÄRP");
  84                 assert(fabs(s.getV3F("coord").X - 1.0) < 0.001);
  85                 assert(fabs(s.getV3F("coord").Y - 2.0) < 0.001);
  86                 assert(fabs(s.getV3F("coord").Z - 4.5) < 0.001);
  87                 // Test the setting of settings too
  88                 s.setFloat("floaty_thing_2", 1.2);
  89                 s.setV3F("coord2", v3f(1, 2, 3.3));
  90                 assert(s.get("floaty_thing_2").substr(0,3) == "1.2");
  91                 assert(fabs(s.getFloat("floaty_thing_2") - 1.2) < 0.001);
  92                 assert(fabs(s.getV3F("coord2").X - 1.0) < 0.001);
  93                 assert(fabs(s.getV3F("coord2").Y - 2.0) < 0.001);
  94                 assert(fabs(s.getV3F("coord2").Z - 3.3) < 0.001);
  95         }
  96 };
  97
  98 struct TestCompress
  99 {
 100         void Run()
 101         {
 102                 { // ver 0
 103
 104                 SharedBuffer<u8> fromdata(4);
 105                 fromdata[0]=1;
 106                 fromdata[1]=5;
 107                 fromdata[2]=5;
 108                 fromdata[3]=1;
 109
 110                 std::ostringstream os(std::ios_base::binary);
 111                 compress(fromdata, os, 0);
 112
 113                 std::string str_out = os.str();
 114
 115                 dstream<<"str_out.size()="<<str_out.size()<<std::endl;
 116                 dstream<<"TestCompress: 1,5,5,1 -> ";
 117                 for(u32 i=0; i<str_out.size(); i++)
 118                 {
 119                         dstream<<(u32)str_out[i]<<",";
 120                 }
 121                 dstream<<std::endl;
 122
 123                 assert(str_out.size() == 10);
 124
 125                 assert(str_out[0] == 0);
 126                 assert(str_out[1] == 0);
 127                 assert(str_out[2] == 0);
 128                 assert(str_out[3] == 4);
 129                 assert(str_out[4] == 0);
 130                 assert(str_out[5] == 1);
 131                 assert(str_out[6] == 1);
 132                 assert(str_out[7] == 5);
 133                 assert(str_out[8] == 0);
 134                 assert(str_out[9] == 1);
 135
 136                 std::istringstream is(str_out, std::ios_base::binary);
 137                 std::ostringstream os2(std::ios_base::binary);
 138
 139                 decompress(is, os2, 0);
 140                 std::string str_out2 = os2.str();
 141
 142                 dstream<<"decompress: ";
 143                 for(u32 i=0; i<str_out2.size(); i++)
 144                 {
 145                         dstream<<(u32)str_out2[i]<<",";
 146                 }
 147                 dstream<<std::endl;
 148
 149                 assert(str_out2.size() == fromdata.getSize());
 150
 151                 for(u32 i=0; i<str_out2.size(); i++)
 152                 {
 153                         assert(str_out2[i] == fromdata[i]);
 154                 }
 155
 156                 }
 157
 158                 { // ver HIGHEST
 159
 160                 SharedBuffer<u8> fromdata(4);
 161                 fromdata[0]=1;
 162                 fromdata[1]=5;
 163                 fromdata[2]=5;
 164                 fromdata[3]=1;
 165
 166                 std::ostringstream os(std::ios_base::binary);
 167                 compress(fromdata, os, SER_FMT_VER_HIGHEST);
 168
 169                 std::string str_out = os.str();
 170
 171                 dstream<<"str_out.size()="<<str_out.size()<<std::endl;
 172                 dstream<<"TestCompress: 1,5,5,1 -> ";
 173                 for(u32 i=0; i<str_out.size(); i++)
 174                 {
 175                         dstream<<(u32)str_out[i]<<",";
 176                 }
 177                 dstream<<std::endl;
 178
 179                 /*assert(str_out.size() == 10);
 180
 181                 assert(str_out[0] == 0);
 182                 assert(str_out[1] == 0);
 183                 assert(str_out[2] == 0);
 184                 assert(str_out[3] == 4);
 185                 assert(str_out[4] == 0);
 186                 assert(str_out[5] == 1);
 187                 assert(str_out[6] == 1);
 188                 assert(str_out[7] == 5);
 189                 assert(str_out[8] == 0);
 190                 assert(str_out[9] == 1);*/
 191
 192                 std::istringstream is(str_out, std::ios_base::binary);
 193                 std::ostringstream os2(std::ios_base::binary);
 194
 195                 decompress(is, os2, SER_FMT_VER_HIGHEST);
 196                 std::string str_out2 = os2.str();
 197
 198                 dstream<<"decompress: ";
 199                 for(u32 i=0; i<str_out2.size(); i++)
 200                 {
 201                         dstream<<(u32)str_out2[i]<<",";
 202                 }
 203                 dstream<<std::endl;
 204
 205                 assert(str_out2.size() == fromdata.getSize());
 206
 207                 for(u32 i=0; i<str_out2.size(); i++)
 208                 {
 209                         assert(str_out2[i] == fromdata[i]);
 210                 }
 211
 212                 }
 213         }
 214 };
 215
 216 struct TestMapNode
 217 {
 218         void Run()
 219         {
 220                 MapNode n;
 221
 222                 // Default values
 223                 assert(n.getContent() == CONTENT_AIR);
 224                 assert(n.getLight(LIGHTBANK_DAY) == 0);
 225                 assert(n.getLight(LIGHTBANK_NIGHT) == 0);
 226
 227                 // Transparency
 228                 n.setContent(CONTENT_AIR);
 229                 assert(n.light_propagates() == true);
 230                 n.setContent(CONTENT_STONE);
 231                 assert(n.light_propagates() == false);
 232         }
 233 };
 234
 235 struct TestVoxelManipulator
 236 {
 237         void Run()
 238         {
 239                 /*
 240                         VoxelArea
 241                 */
 242
 243                 VoxelArea a(v3s16(-1,-1,-1), v3s16(1,1,1));
 244                 assert(a.index(0,0,0) == 1*3*3 + 1*3 + 1);
 245                 assert(a.index(-1,-1,-1) == 0);
 246
 247                 VoxelArea c(v3s16(-2,-2,-2), v3s16(2,2,2));
 248                 // An area that is 1 bigger in x+ and z-
 249                 VoxelArea d(v3s16(-2,-2,-3), v3s16(3,2,2));
 250
 251                 core::list<VoxelArea> aa;
 252                 d.diff(c, aa);
 253
 254                 // Correct results
 255                 core::array<VoxelArea> results;
 256                 results.push_back(VoxelArea(v3s16(-2,-2,-3),v3s16(3,2,-3)));
 257                 results.push_back(VoxelArea(v3s16(3,-2,-2),v3s16(3,2,2)));
 258
 259                 assert(aa.size() == results.size());
 260
 261                 dstream<<"Result of diff:"<<std::endl;
 262                 for(core::list<VoxelArea>::Iterator
 263                                 i = aa.begin(); i != aa.end(); i++)
 264                 {
 265                         i->print(dstream);
 266                         dstream<<std::endl;
 267
 268                         s32 j = results.linear_search(*i);
 269                         assert(j != -1);
 270                         results.erase(j, 1);
 271                 }
 272
 273
 274                 /*
 275                         VoxelManipulator
 276                 */
 277
 278                 VoxelManipulator v;
 279
 280                 v.print(dstream);
 281
 282                 dstream<<"*** Setting (-1,0,-1)=2 ***"<<std::endl;
 283
 284                 v.setNodeNoRef(v3s16(-1,0,-1), MapNode(2));
 285
 286                 v.print(dstream);
 287
 288                 assert(v.getNode(v3s16(-1,0,-1)).getContent() == 2);
 289
 290                 dstream<<"*** Reading from inexistent (0,0,-1) ***"<<std::endl;
 291
 292                 EXCEPTION_CHECK(InvalidPositionException, v.getNode(v3s16(0,0,-1)));
 293
 294                 v.print(dstream);
 295
 296                 dstream<<"*** Adding area ***"<<std::endl;
 297
 298                 v.addArea(a);
 299
 300                 v.print(dstream);
 301
 302                 assert(v.getNode(v3s16(-1,0,-1)).getContent() == 2);
 303                 EXCEPTION_CHECK(InvalidPositionException, v.getNode(v3s16(0,1,1)));
 304
 305 #if 0
 306                 /*
 307                         Water stuff
 308                 */
 309
 310                 v.clear();
 311
 312                 const char *content =
 313                         "#...######  "
 314                         "#...##..##  "
 315                         "#........ .."
 316                         "############"
 317
 318                         "#...######  "
 319                         "#...##..##  "
 320                         "#........#  "
 321                         "############"
 322                 ;
 323
 324                 v3s16 size(12, 4, 2);
 325                 VoxelArea area(v3s16(0,0,0), size-v3s16(1,1,1));
 326
 327                 const char *p = content;
 328                 for(s16 z=0; z<size.Z; z++)
 329                 for(s16 y=size.Y-1; y>=0; y--)
 330                 for(s16 x=0; x<size.X; x++)
 331                 {
 332                         MapNode n;
 333                         //n.pressure = size.Y - y;
 334                         if(*p == '#')
 335                                 n.setContent(CONTENT_STONE);
 336                         else if(*p == '.')
 337                                 n.setContent(CONTENT_WATER);
 338                         else if(*p == ' ')
 339                                 n.setContent(CONTENT_AIR);
 340                         else
 341                                 assert(0);
 342                         v.setNode(v3s16(x,y,z), n);
 343                         p++;
 344                 }
 345
 346                 v.print(dstream, VOXELPRINT_WATERPRESSURE);
 347
 348                 core::map<v3s16, u8> active_nodes;
 349                 v.updateAreaWaterPressure(area, active_nodes);
 350
 351                 v.print(dstream, VOXELPRINT_WATERPRESSURE);
 352
 353                 //s16 highest_y = -32768;
 354                 /*
 355                         NOTE: These are commented out because this behaviour is changed
 356                               all the time
 357                 */
 358                 //assert(v.getWaterPressure(v3s16(7, 1, 1), highest_y, 0) == -1);
 359                 //assert(highest_y == 3);
 360                 /*assert(v.getWaterPressure(v3s16(7, 1, 1), highest_y, 0) == 3);
 361                 //assert(highest_y == 3);*/
 362
 363                 active_nodes.clear();
 364                 active_nodes[v3s16(9,1,0)] = 1;
 365                 //v.flowWater(active_nodes, 0, true, 1000);
 366                 v.flowWater(active_nodes, 0, false, 1000);
 367
 368                 dstream<<"Final result of flowWater:"<<std::endl;
 369                 v.print(dstream, VOXELPRINT_WATERPRESSURE);
 370 #endif
 371
 372                 //assert(0);
 373         }
 374 };
 375
 376 /*
 377         NOTE: These tests became non-working then NodeContainer was removed.
 378               These should be redone, utilizing some kind of a virtual
 379                   interface for Map (IMap would be fine).
 380 */
 381 #if 0
 382 struct TestMapBlock
 383 {
 384         class TC : public NodeContainer
 385         {
 386         public:
 387
 388                 MapNode node;
 389                 bool position_valid;
 390                 core::list<v3s16> validity_exceptions;
 391
 392                 TC()
 393                 {
 394                         position_valid = true;
 395                 }
 396
 397                 virtual bool isValidPosition(v3s16 p)
 398                 {
 399                         //return position_valid ^ (p==position_valid_exception);
 400                         bool exception = false;
 401                         for(core::list<v3s16>::Iterator i=validity_exceptions.begin();
 402                                         i != validity_exceptions.end(); i++)
 403                         {
 404                                 if(p == *i)
 405                                 {
 406                                         exception = true;
 407                                         break;
 408                                 }
 409                         }
 410                         return exception ? !position_valid : position_valid;
 411                 }
 412
 413                 virtual MapNode getNode(v3s16 p)
 414                 {
 415                         if(isValidPosition(p) == false)
 416                                 throw InvalidPositionException();
 417                         return node;
 418                 }
 419
 420                 virtual void setNode(v3s16 p, MapNode & n)
 421                 {
 422                         if(isValidPosition(p) == false)
 423                                 throw InvalidPositionException();
 424                 };
 425
 426                 virtual u16 nodeContainerId() const
 427                 {
 428                         return 666;
 429                 }
 430         };
 431
 432         void Run()
 433         {
 434                 TC parent;
 435
 436                 MapBlock b(&parent, v3s16(1,1,1));
 437                 v3s16 relpos(MAP_BLOCKSIZE, MAP_BLOCKSIZE, MAP_BLOCKSIZE);
 438
 439                 assert(b.getPosRelative() == relpos);
 440
 441                 assert(b.getBox().MinEdge.X == MAP_BLOCKSIZE);
 442                 assert(b.getBox().MaxEdge.X == MAP_BLOCKSIZE*2-1);
 443                 assert(b.getBox().MinEdge.Y == MAP_BLOCKSIZE);
 444                 assert(b.getBox().MaxEdge.Y == MAP_BLOCKSIZE*2-1);
 445                 assert(b.getBox().MinEdge.Z == MAP_BLOCKSIZE);
 446                 assert(b.getBox().MaxEdge.Z == MAP_BLOCKSIZE*2-1);
 447
 448                 assert(b.isValidPosition(v3s16(0,0,0)) == true);
 449                 assert(b.isValidPosition(v3s16(-1,0,0)) == false);
 450                 assert(b.isValidPosition(v3s16(-1,-142,-2341)) == false);
 451                 assert(b.isValidPosition(v3s16(-124,142,2341)) == false);
 452                 assert(b.isValidPosition(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1)) == true);
 453                 assert(b.isValidPosition(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE,MAP_BLOCKSIZE-1)) == false);
 454
 455                 /*
 456                         TODO: this method should probably be removed
 457                         if the block size isn't going to be set variable
 458                 */
 459                 /*assert(b.getSizeNodes() == v3s16(MAP_BLOCKSIZE,
 460                                 MAP_BLOCKSIZE, MAP_BLOCKSIZE));*/
 461
 462                 // Changed flag should be initially set
 463                 assert(b.getChangedFlag() == true);
 464                 b.resetChangedFlag();
 465                 assert(b.getChangedFlag() == false);
 466
 467                 // All nodes should have been set to
 468                 // .d=CONTENT_IGNORE and .getLight() = 0
 469                 for(u16 z=0; z<MAP_BLOCKSIZE; z++)
 470                 for(u16 y=0; y<MAP_BLOCKSIZE; y++)
 471                 for(u16 x=0; x<MAP_BLOCKSIZE; x++)
 472                 {
 473                         //assert(b.getNode(v3s16(x,y,z)).getContent() == CONTENT_AIR);
 474                         assert(b.getNode(v3s16(x,y,z)).getContent() == CONTENT_IGNORE);
 475                         assert(b.getNode(v3s16(x,y,z)).getLight(LIGHTBANK_DAY) == 0);
 476                         assert(b.getNode(v3s16(x,y,z)).getLight(LIGHTBANK_NIGHT) == 0);
 477                 }
 478
 479                 {
 480                         MapNode n(CONTENT_AIR);
 481                         for(u16 z=0; z<MAP_BLOCKSIZE; z++)
 482                         for(u16 y=0; y<MAP_BLOCKSIZE; y++)
 483                         for(u16 x=0; x<MAP_BLOCKSIZE; x++)
 484                         {
 485                                 b.setNode(v3s16(x,y,z), n);
 486                         }
 487                 }
 488
 489                 /*
 490                         Parent fetch functions
 491                 */
 492                 parent.position_valid = false;
 493                 parent.node.setContent(5);
 494
 495                 MapNode n;
 496
 497                 // Positions in the block should still be valid
 498                 assert(b.isValidPositionParent(v3s16(0,0,0)) == true);
 499                 assert(b.isValidPositionParent(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1)) == true);
 500                 n = b.getNodeParent(v3s16(0,MAP_BLOCKSIZE-1,0));
 501                 assert(n.getContent() == CONTENT_AIR);
 502
 503                 // ...but outside the block they should be invalid
 504                 assert(b.isValidPositionParent(v3s16(-121,2341,0)) == false);
 505                 assert(b.isValidPositionParent(v3s16(-1,0,0)) == false);
 506                 assert(b.isValidPositionParent(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE)) == false);
 507
 508                 {
 509                         bool exception_thrown = false;
 510                         try{
 511                                 // This should throw an exception
 512                                 MapNode n = b.getNodeParent(v3s16(0,0,-1));
 513                         }
 514                         catch(InvalidPositionException &e)
 515                         {
 516                                 exception_thrown = true;
 517                         }
 518                         assert(exception_thrown);
 519                 }
 520
 521                 parent.position_valid = true;
 522                 // Now the positions outside should be valid
 523                 assert(b.isValidPositionParent(v3s16(-121,2341,0)) == true);
 524                 assert(b.isValidPositionParent(v3s16(-1,0,0)) == true);
 525                 assert(b.isValidPositionParent(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE)) == true);
 526                 n = b.getNodeParent(v3s16(0,0,MAP_BLOCKSIZE));
 527                 assert(n.getContent() == 5);
 528
 529                 /*
 530                         Set a node
 531                 */
 532                 v3s16 p(1,2,0);
 533                 n.setContent(4);
 534                 b.setNode(p, n);
 535                 assert(b.getNode(p).getContent() == 4);
 536                 //TODO: Update to new system
 537                 /*assert(b.getNodeTile(p) == 4);
 538                 assert(b.getNodeTile(v3s16(-1,-1,0)) == 5);*/
 539
 540                 /*
 541                         propagateSunlight()
 542                 */
 543                 // Set lighting of all nodes to 0
 544                 for(u16 z=0; z<MAP_BLOCKSIZE; z++){
 545                         for(u16 y=0; y<MAP_BLOCKSIZE; y++){
 546                                 for(u16 x=0; x<MAP_BLOCKSIZE; x++){
 547                                         MapNode n = b.getNode(v3s16(x,y,z));
 548                                         n.setLight(LIGHTBANK_DAY, 0);
 549                                         n.setLight(LIGHTBANK_NIGHT, 0);
 550                                         b.setNode(v3s16(x,y,z), n);
 551                                 }
 552                         }
 553                 }
 554                 {
 555                         /*
 556                                 Check how the block handles being a lonely sky block
 557                         */
 558                         parent.position_valid = true;
 559                         b.setIsUnderground(false);
 560                         parent.node.setContent(CONTENT_AIR);
 561                         parent.node.setLight(LIGHTBANK_DAY, LIGHT_SUN);
 562                         parent.node.setLight(LIGHTBANK_NIGHT, 0);
 563                         core::map<v3s16, bool> light_sources;
 564                         // The bottom block is invalid, because we have a shadowing node
 565                         assert(b.propagateSunlight(light_sources) == false);
 566                         assert(b.getNode(v3s16(1,4,0)).getLight(LIGHTBANK_DAY) == LIGHT_SUN);
 567                         assert(b.getNode(v3s16(1,3,0)).getLight(LIGHTBANK_DAY) == LIGHT_SUN);
 568                         assert(b.getNode(v3s16(1,2,0)).getLight(LIGHTBANK_DAY) == 0);
 569                         assert(b.getNode(v3s16(1,1,0)).getLight(LIGHTBANK_DAY) == 0);
 570                         assert(b.getNode(v3s16(1,0,0)).getLight(LIGHTBANK_DAY) == 0);
 571                         assert(b.getNode(v3s16(1,2,3)).getLight(LIGHTBANK_DAY) == LIGHT_SUN);
 572                         assert(b.getFaceLight2(1000, p, v3s16(0,1,0)) == LIGHT_SUN);
 573                         assert(b.getFaceLight2(1000, p, v3s16(0,-1,0)) == 0);
 574                         assert(b.getFaceLight2(0, p, v3s16(0,-1,0)) == 0);
 575                         // According to MapBlock::getFaceLight,
 576                         // The face on the z+ side should have double-diminished light
 577                         //assert(b.getFaceLight(p, v3s16(0,0,1)) == diminish_light(diminish_light(LIGHT_MAX)));
 578                         // The face on the z+ side should have diminished light
 579                         assert(b.getFaceLight2(1000, p, v3s16(0,0,1)) == diminish_light(LIGHT_MAX));
 580                 }
 581                 /*
 582                         Check how the block handles being in between blocks with some non-sunlight
 583                         while being underground
 584                 */
 585                 {
 586                         // Make neighbours to exist and set some non-sunlight to them
 587                         parent.position_valid = true;
 588                         b.setIsUnderground(true);
 589                         parent.node.setLight(LIGHTBANK_DAY, LIGHT_MAX/2);
 590                         core::map<v3s16, bool> light_sources;
 591                         // The block below should be valid because there shouldn't be
 592                         // sunlight in there either
 593                         assert(b.propagateSunlight(light_sources, true) == true);
 594                         // Should not touch nodes that are not affected (that is, all of them)
 595                         //assert(b.getNode(v3s16(1,2,3)).getLight() == LIGHT_SUN);
 596                         // Should set light of non-sunlighted blocks to 0.
 597                         assert(b.getNode(v3s16(1,2,3)).getLight(LIGHTBANK_DAY) == 0);
 598                 }
 599                 /*
 600                         Set up a situation where:
 601                         - There is only air in this block
 602                         - There is a valid non-sunlighted block at the bottom, and
 603                         - Invalid blocks elsewhere.
 604                         - the block is not underground.
 605
 606                         This should result in bottom block invalidity
 607                 */
 608                 {
 609                         b.setIsUnderground(false);
 610                         // Clear block
 611                         for(u16 z=0; z<MAP_BLOCKSIZE; z++){
 612                                 for(u16 y=0; y<MAP_BLOCKSIZE; y++){
 613                                         for(u16 x=0; x<MAP_BLOCKSIZE; x++){
 614                                                 MapNode n;
 615                                                 n.setContent(CONTENT_AIR);
 616                                                 n.setLight(LIGHTBANK_DAY, 0);
 617                                                 b.setNode(v3s16(x,y,z), n);
 618                                         }
 619                                 }
 620                         }
 621                         // Make neighbours invalid
 622                         parent.position_valid = false;
 623                         // Add exceptions to the top of the bottom block
 624                         for(u16 x=0; x<MAP_BLOCKSIZE; x++)
 625                         for(u16 z=0; z<MAP_BLOCKSIZE; z++)
 626                         {
 627                                 parent.validity_exceptions.push_back(v3s16(MAP_BLOCKSIZE+x, MAP_BLOCKSIZE-1, MAP_BLOCKSIZE+z));
 628                         }
 629                         // Lighting value for the valid nodes
 630                         parent.node.setLight(LIGHTBANK_DAY, LIGHT_MAX/2);
 631                         core::map<v3s16, bool> light_sources;
 632                         // Bottom block is not valid
 633                         assert(b.propagateSunlight(light_sources) == false);
 634                 }
 635         }
 636 };
 637
 638 struct TestMapSector
 639 {
 640         class TC : public NodeContainer
 641         {
 642         public:
 643
 644                 MapNode node;
 645                 bool position_valid;
 646
 647                 TC()
 648                 {
 649                         position_valid = true;
 650                 }
 651
 652                 virtual bool isValidPosition(v3s16 p)
 653                 {
 654                         return position_valid;
 655                 }
 656
 657                 virtual MapNode getNode(v3s16 p)
 658                 {
 659                         if(position_valid == false)
 660                                 throw InvalidPositionException();
 661                         return node;
 662                 }
 663
 664                 virtual void setNode(v3s16 p, MapNode & n)
 665                 {
 666                         if(position_valid == false)
 667                                 throw InvalidPositionException();
 668                 };
 669
 670                 virtual u16 nodeContainerId() const
 671                 {
 672                         return 666;
 673                 }
 674         };
 675
 676         void Run()
 677         {
 678                 TC parent;
 679                 parent.position_valid = false;
 680
 681                 // Create one with no heightmaps
 682                 ServerMapSector sector(&parent, v2s16(1,1));
 683
 684                 assert(sector.getBlockNoCreateNoEx(0) == 0);
 685                 assert(sector.getBlockNoCreateNoEx(1) == 0);
 686
 687                 MapBlock * bref = sector.createBlankBlock(-2);
 688
 689                 assert(sector.getBlockNoCreateNoEx(0) == 0);
 690                 assert(sector.getBlockNoCreateNoEx(-2) == bref);
 691
 692                 //TODO: Check for AlreadyExistsException
 693
 694                 /*bool exception_thrown = false;
 695                 try{
 696                         sector.getBlock(0);
 697                 }
 698                 catch(InvalidPositionException &e){
 699                         exception_thrown = true;
 700                 }
 701                 assert(exception_thrown);*/
 702
 703         }
 704 };
 705 #endif
 706
 707 struct TestSocket
 708 {
 709         void Run()
 710         {
 711                 const int port = 30003;
 712                 UDPSocket socket;
 713                 socket.Bind(port);
 714
 715                 const char sendbuffer[] = "hello world!";
 716                 socket.Send(Address(127,0,0,1,port), sendbuffer, sizeof(sendbuffer));
 717
 718                 sleep_ms(50);
 719
 720                 char rcvbuffer[256];
 721                 memset(rcvbuffer, 0, sizeof(rcvbuffer));
 722                 Address sender;
 723                 for(;;)
 724                 {
 725                         int bytes_read = socket.Receive(sender, rcvbuffer, sizeof(rcvbuffer));
 726                         if(bytes_read < 0)
 727                                 break;
 728                 }
 729                 //FIXME: This fails on some systems
 730                 assert(strncmp(sendbuffer, rcvbuffer, sizeof(sendbuffer))==0);
 731                 assert(sender.getAddress() == Address(127,0,0,1, 0).getAddress());
 732         }
 733 };
 734
 735 struct TestConnection
 736 {
 737         void TestHelpers()
 738         {
 739                 /*
 740                         Test helper functions
 741                 */
 742
 743                 // Some constants for testing
 744                 u32 proto_id = 0x12345678;
 745                 u16 peer_id = 123;
 746                 u8 channel = 2;
 747                 SharedBuffer<u8> data1(1);
 748                 data1[0] = 100;
 749                 Address a(127,0,0,1, 10);
 750                 u16 seqnum = 34352;
 751
 752                 con::BufferedPacket p1 = con::makePacket(a, data1,
 753                                 proto_id, peer_id, channel);
 754                 /*
 755                         We should now have a packet with this data:
 756                         Header:
 757                                 [0] u32 protocol_id
 758                                 [4] u16 sender_peer_id
 759                                 [6] u8 channel
 760                         Data:
 761                                 [7] u8 data1[0]
 762                 */
 763                 assert(readU32(&p1.data[0]) == proto_id);
 764                 assert(readU16(&p1.data[4]) == peer_id);
 765                 assert(readU8(&p1.data[6]) == channel);
 766                 assert(readU8(&p1.data[7]) == data1[0]);
 767
 768                 //dstream<<"initial data1[0]="<<((u32)data1[0]&0xff)<<std::endl;
 769
 770                 SharedBuffer<u8> p2 = con::makeReliablePacket(data1, seqnum);
 771
 772                 /*dstream<<"p2.getSize()="<<p2.getSize()<<", data1.getSize()="
 773                                 <<data1.getSize()<<std::endl;
 774                 dstream<<"readU8(&p2[3])="<<readU8(&p2[3])
 775                                 <<" p2[3]="<<((u32)p2[3]&0xff)<<std::endl;
 776                 dstream<<"data1[0]="<<((u32)data1[0]&0xff)<<std::endl;*/
 777
 778                 assert(p2.getSize() == 3 + data1.getSize());
 779                 assert(readU8(&p2[0]) == TYPE_RELIABLE);
 780                 assert(readU16(&p2[1]) == seqnum);
 781                 assert(readU8(&p2[3]) == data1[0]);
 782         }
 783
 784         struct Handler : public con::PeerHandler
 785         {
 786                 Handler(const char *a_name)
 787                 {
 788                         count = 0;
 789                         last_id = 0;
 790                         name = a_name;
 791                 }
 792                 void peerAdded(con::Peer *peer)
 793                 {
 794                         dstream<<"Handler("<<name<<")::peerAdded(): "
 795                                         "id="<<peer->id<<std::endl;
 796                         last_id = peer->id;
 797                         count++;
 798                 }
 799                 void deletingPeer(con::Peer *peer, bool timeout)
 800                 {
 801                         dstream<<"Handler("<<name<<")::deletingPeer(): "
 802                                         "id="<<peer->id
 803                                         <<", timeout="<<timeout<<std::endl;
 804                         last_id = peer->id;
 805                         count--;
 806                 }
 807
 808                 s32 count;
 809                 u16 last_id;
 810                 const char *name;
 811         };
 812
 813         void Run()
 814         {
 815                 DSTACK("TestConnection::Run");
 816
 817                 TestHelpers();
 818
 819                 /*
 820                         Test some real connections
 821                 */
 822                 u32 proto_id = 0xad26846a;
 823
 824                 Handler hand_server("server");
 825                 Handler hand_client("client");
 826
 827                 dstream<<"** Creating server Connection"<<std::endl;
 828                 con::Connection server(proto_id, 512, 5.0, &hand_server);
 829                 server.Serve(30001);
 830
 831                 dstream<<"** Creating client Connection"<<std::endl;
 832                 con::Connection client(proto_id, 512, 5.0, &hand_client);
 833
 834                 assert(hand_server.count == 0);
 835                 assert(hand_client.count == 0);
 836
 837                 sleep_ms(50);
 838
 839                 Address server_address(127,0,0,1, 30001);
 840                 dstream<<"** running client.Connect()"<<std::endl;
 841                 client.Connect(server_address);
 842
 843                 sleep_ms(50);
 844
 845                 // Client should have added server now
 846                 assert(hand_client.count == 1);
 847                 assert(hand_client.last_id == 1);
 848                 // But server should not have added client
 849                 assert(hand_server.count == 0);
 850
 851                 try
 852                 {
 853                         u16 peer_id;
 854                         u8 data[100];
 855                         dstream<<"** running server.Receive()"<<std::endl;
 856                         u32 size = server.Receive(peer_id, data, 100);
 857                         dstream<<"** Server received: peer_id="<<peer_id
 858                                         <<", size="<<size
 859                                         <<std::endl;
 860                 }
 861                 catch(con::NoIncomingDataException &e)
 862                 {
 863                         // No actual data received, but the client has
 864                         // probably been connected
 865                 }
 866
 867                 // Client should be the same
 868                 assert(hand_client.count == 1);
 869                 assert(hand_client.last_id == 1);
 870                 // Server should have the client
 871                 assert(hand_server.count == 1);
 872                 assert(hand_server.last_id == 2);
 873
 874                 //sleep_ms(50);
 875
 876                 while(client.Connected() == false)
 877                 {
 878                         try
 879                         {
 880                                 u16 peer_id;
 881                                 u8 data[100];
 882                                 dstream<<"** running client.Receive()"<<std::endl;
 883                                 u32 size = client.Receive(peer_id, data, 100);
 884                                 dstream<<"** Client received: peer_id="<<peer_id
 885                                                 <<", size="<<size
 886                                                 <<std::endl;
 887                         }
 888                         catch(con::NoIncomingDataException &e)
 889                         {
 890                         }
 891                         sleep_ms(50);
 892                 }
 893
 894                 sleep_ms(50);
 895
 896                 try
 897                 {
 898                         u16 peer_id;
 899                         u8 data[100];
 900                         dstream<<"** running server.Receive()"<<std::endl;
 901                         u32 size = server.Receive(peer_id, data, 100);
 902                         dstream<<"** Server received: peer_id="<<peer_id
 903                                         <<", size="<<size
 904                                         <<std::endl;
 905                 }
 906                 catch(con::NoIncomingDataException &e)
 907                 {
 908                 }
 909
 910                 {
 911                         /*u8 data[] = "Hello World!";
 912                         u32 datasize = sizeof(data);*/
 913                         SharedBuffer<u8> data = SharedBufferFromString("Hello World!");
 914
 915                         dstream<<"** running client.Send()"<<std::endl;
 916                         client.Send(PEER_ID_SERVER, 0, data, true);
 917
 918                         sleep_ms(50);
 919
 920                         u16 peer_id;
 921                         u8 recvdata[100];
 922                         dstream<<"** running server.Receive()"<<std::endl;
 923                         u32 size = server.Receive(peer_id, recvdata, 100);
 924                         dstream<<"** Server received: peer_id="<<peer_id
 925                                         <<", size="<<size
 926                                         <<", data="<<*data
 927                                         <<std::endl;
 928                         assert(memcmp(*data, recvdata, data.getSize()) == 0);
 929                 }
 930
 931                 u16 peer_id_client = 2;
 932
 933                 {
 934                         /*
 935                                 Send consequent packets in different order
 936                         */
 937                         //u8 data1[] = "hello1";
 938                         //u8 data2[] = "hello2";
 939                         SharedBuffer<u8> data1 = SharedBufferFromString("hello1");
 940                         SharedBuffer<u8> data2 = SharedBufferFromString("Hello2");
 941
 942                         Address client_address =
 943                                         server.GetPeer(peer_id_client)->address;
 944
 945                         dstream<<"*** Sending packets in wrong order (2,1,2)"
 946                                         <<std::endl;
 947
 948                         u8 chn = 0;
 949                         con::Channel *ch = &server.GetPeer(peer_id_client)->channels[chn];
 950                         u16 sn = ch->next_outgoing_seqnum;
 951                         ch->next_outgoing_seqnum = sn+1;
 952                         server.Send(peer_id_client, chn, data2, true);
 953                         ch->next_outgoing_seqnum = sn;
 954                         server.Send(peer_id_client, chn, data1, true);
 955                         ch->next_outgoing_seqnum = sn+1;
 956                         server.Send(peer_id_client, chn, data2, true);
 957
 958                         sleep_ms(50);
 959
 960                         dstream<<"*** Receiving the packets"<<std::endl;
 961
 962                         u16 peer_id;
 963                         u8 recvdata[20];
 964                         u32 size;
 965
 966                         dstream<<"** running client.Receive()"<<std::endl;
 967                         peer_id = 132;
 968                         size = client.Receive(peer_id, recvdata, 20);
 969                         dstream<<"** Client received: peer_id="<<peer_id
 970                                         <<", size="<<size
 971                                         <<", data="<<recvdata
 972                                         <<std::endl;
 973                         assert(size == data1.getSize());
 974                         assert(memcmp(*data1, recvdata, data1.getSize()) == 0);
 975                         assert(peer_id == PEER_ID_SERVER);
 976
 977                         dstream<<"** running client.Receive()"<<std::endl;
 978                         peer_id = 132;
 979                         size = client.Receive(peer_id, recvdata, 20);
 980                         dstream<<"** Client received: peer_id="<<peer_id
 981                                         <<", size="<<size
 982                                         <<", data="<<recvdata
 983                                         <<std::endl;
 984                         assert(size == data2.getSize());
 985                         assert(memcmp(*data2, recvdata, data2.getSize()) == 0);
 986                         assert(peer_id == PEER_ID_SERVER);
 987
 988                         bool got_exception = false;
 989                         try
 990                         {
 991                                 dstream<<"** running client.Receive()"<<std::endl;
 992                                 peer_id = 132;
 993                                 size = client.Receive(peer_id, recvdata, 20);
 994                                 dstream<<"** Client received: peer_id="<<peer_id
 995                                                 <<", size="<<size
 996                                                 <<", data="<<recvdata
 997                                                 <<std::endl;
 998                         }
 999                         catch(con::NoIncomingDataException &e)
1000                         {
1001                                 dstream<<"** No incoming data for client"<<std::endl;
1002                                 got_exception = true;
1003                         }
1004                         assert(got_exception);
1005                 }
1006                 {
1007                         const int datasize = 30000;
1008                         SharedBuffer<u8> data1(datasize);
1009                         for(u16 i=0; i<datasize; i++){
1010                                 data1[i] = i/4;
1011                         }
1012
1013                         dstream<<"Sending data (size="<<datasize<<"):";
1014                         for(int i=0; i<datasize && i<20; i++){
1015                                 if(i%2==0) DEBUGPRINT(" ");
1016                                 DEBUGPRINT("%.2X", ((int)((const char*)*data1)[i])&0xff);
1017                         }
1018                         if(datasize>20)
1019                                 dstream<<"...";
1020                         dstream<<std::endl;
1021
1022                         server.Send(peer_id_client, 0, data1, true);
1023
1024                         sleep_ms(50);
1025
1026                         u8 recvdata[datasize + 1000];
1027                         dstream<<"** running client.Receive()"<<std::endl;
1028                         u16 peer_id = 132;
1029                         u16 size = client.Receive(peer_id, recvdata, datasize + 1000);
1030                         dstream<<"** Client received: peer_id="<<peer_id
1031                                         <<", size="<<size
1032                                         <<std::endl;
1033
1034                         dstream<<"Received data (size="<<size<<"):";
1035                         for(int i=0; i<size && i<20; i++){
1036                                 if(i%2==0) DEBUGPRINT(" ");
1037                                 DEBUGPRINT("%.2X", ((int)((const char*)recvdata)[i])&0xff);
1038                         }
1039                         if(size>20)
1040                                 dstream<<"...";
1041                         dstream<<std::endl;
1042
1043                         assert(memcmp(*data1, recvdata, data1.getSize()) == 0);
1044                         assert(peer_id == PEER_ID_SERVER);
1045                 }
1046
1047                 // Check peer handlers
1048                 assert(hand_client.count == 1);
1049                 assert(hand_client.last_id == 1);
1050                 assert(hand_server.count == 1);
1051                 assert(hand_server.last_id == 2);
1052
1053                 //assert(0);
1054         }
1055 };
1056
1057 #define TEST(X)\
1058 {\
1059         X x;\
1060         dstream<<"Running " #X <<std::endl;\
1061         x.Run();\
1062 }
1063
1064 void run_tests()
1065 {
1066         DSTACK(__FUNCTION_NAME);
1067         dstream<<"run_tests() started"<<std::endl;
1068         TEST(TestUtilities);
1069         TEST(TestSettings);
1070         TEST(TestCompress);
1071         TEST(TestMapNode);
1072         TEST(TestVoxelManipulator);
1073         //TEST(TestMapBlock);
1074         //TEST(TestMapSector);
1075         if(INTERNET_SIMULATOR == false){
1076                 TEST(TestSocket);
1077                 dout_con<<"=== BEGIN RUNNING UNIT TESTS FOR CONNECTION ==="<<std::endl;
1078                 TEST(TestConnection);
1079                 dout_con<<"=== END RUNNING UNIT TESTS FOR CONNECTION ==="<<std::endl;
1080         }
1081         dstream<<"run_tests() passed"<<std::endl;
1082 }
1083