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 #include "log.h"
  37
  38 /*
  39         Asserts that the exception occurs
  40 */
  41 #define EXCEPTION_CHECK(EType, code)\
  42 {\
  43         bool exception_thrown = false;\
  44         try{ code; }\
  45         catch(EType &e) { exception_thrown = true; }\
  46         assert(exception_thrown);\
  47 }
  48
  49 struct TestUtilities
  50 {
  51         void Run()
  52         {
  53                 /*infostream<<"wrapDegrees(100.0) = "<<wrapDegrees(100.0)<<std::endl;
  54                 infostream<<"wrapDegrees(720.5) = "<<wrapDegrees(720.5)<<std::endl;
  55                 infostream<<"wrapDegrees(-0.5) = "<<wrapDegrees(-0.5)<<std::endl;*/
  56                 assert(fabs(wrapDegrees(100.0) - 100.0) < 0.001);
  57                 assert(fabs(wrapDegrees(720.5) - 0.5) < 0.001);
  58                 assert(fabs(wrapDegrees(-0.5) - (-0.5)) < 0.001);
  59                 assert(fabs(wrapDegrees(-365.5) - (-5.5)) < 0.001);
  60                 assert(lowercase("Foo bAR") == "foo bar");
  61                 assert(is_yes("YeS") == true);
  62                 assert(is_yes("") == false);
  63                 assert(is_yes("FAlse") == false);
  64         }
  65 };
  66
  67 struct TestSettings
  68 {
  69         void Run()
  70         {
  71                 Settings s;
  72                 // Test reading of settings
  73                 s.parseConfigLine("leet = 1337");
  74                 s.parseConfigLine("leetleet = 13371337");
  75                 s.parseConfigLine("leetleet_neg = -13371337");
  76                 s.parseConfigLine("floaty_thing = 1.1");
  77                 s.parseConfigLine("stringy_thing = asd /( ¤%&(/\" BLÖÄRP");
  78                 s.parseConfigLine("coord = (1, 2, 4.5)");
  79                 assert(s.getS32("leet") == 1337);
  80                 assert(s.getS16("leetleet") == 32767);
  81                 assert(s.getS16("leetleet_neg") == -32768);
  82                 // Not sure if 1.1 is an exact value as a float, but doesn't matter
  83                 assert(fabs(s.getFloat("floaty_thing") - 1.1) < 0.001);
  84                 assert(s.get("stringy_thing") == "asd /( ¤%&(/\" BLÖÄRP");
  85                 assert(fabs(s.getV3F("coord").X - 1.0) < 0.001);
  86                 assert(fabs(s.getV3F("coord").Y - 2.0) < 0.001);
  87                 assert(fabs(s.getV3F("coord").Z - 4.5) < 0.001);
  88                 // Test the setting of settings too
  89                 s.setFloat("floaty_thing_2", 1.2);
  90                 s.setV3F("coord2", v3f(1, 2, 3.3));
  91                 assert(s.get("floaty_thing_2").substr(0,3) == "1.2");
  92                 assert(fabs(s.getFloat("floaty_thing_2") - 1.2) < 0.001);
  93                 assert(fabs(s.getV3F("coord2").X - 1.0) < 0.001);
  94                 assert(fabs(s.getV3F("coord2").Y - 2.0) < 0.001);
  95                 assert(fabs(s.getV3F("coord2").Z - 3.3) < 0.001);
  96         }
  97 };
  98
  99 struct TestCompress
 100 {
 101         void Run()
 102         {
 103                 { // ver 0
 104
 105                 SharedBuffer<u8> fromdata(4);
 106                 fromdata[0]=1;
 107                 fromdata[1]=5;
 108                 fromdata[2]=5;
 109                 fromdata[3]=1;
 110
 111                 std::ostringstream os(std::ios_base::binary);
 112                 compress(fromdata, os, 0);
 113
 114                 std::string str_out = os.str();
 115
 116                 infostream<<"str_out.size()="<<str_out.size()<<std::endl;
 117                 infostream<<"TestCompress: 1,5,5,1 -> ";
 118                 for(u32 i=0; i<str_out.size(); i++)
 119                 {
 120                         infostream<<(u32)str_out[i]<<",";
 121                 }
 122                 infostream<<std::endl;
 123
 124                 assert(str_out.size() == 10);
 125
 126                 assert(str_out[0] == 0);
 127                 assert(str_out[1] == 0);
 128                 assert(str_out[2] == 0);
 129                 assert(str_out[3] == 4);
 130                 assert(str_out[4] == 0);
 131                 assert(str_out[5] == 1);
 132                 assert(str_out[6] == 1);
 133                 assert(str_out[7] == 5);
 134                 assert(str_out[8] == 0);
 135                 assert(str_out[9] == 1);
 136
 137                 std::istringstream is(str_out, std::ios_base::binary);
 138                 std::ostringstream os2(std::ios_base::binary);
 139
 140                 decompress(is, os2, 0);
 141                 std::string str_out2 = os2.str();
 142
 143                 infostream<<"decompress: ";
 144                 for(u32 i=0; i<str_out2.size(); i++)
 145                 {
 146                         infostream<<(u32)str_out2[i]<<",";
 147                 }
 148                 infostream<<std::endl;
 149
 150                 assert(str_out2.size() == fromdata.getSize());
 151
 152                 for(u32 i=0; i<str_out2.size(); i++)
 153                 {
 154                         assert(str_out2[i] == fromdata[i]);
 155                 }
 156
 157                 }
 158
 159                 { // ver HIGHEST
 160
 161                 SharedBuffer<u8> fromdata(4);
 162                 fromdata[0]=1;
 163                 fromdata[1]=5;
 164                 fromdata[2]=5;
 165                 fromdata[3]=1;
 166
 167                 std::ostringstream os(std::ios_base::binary);
 168                 compress(fromdata, os, SER_FMT_VER_HIGHEST);
 169
 170                 std::string str_out = os.str();
 171
 172                 infostream<<"str_out.size()="<<str_out.size()<<std::endl;
 173                 infostream<<"TestCompress: 1,5,5,1 -> ";
 174                 for(u32 i=0; i<str_out.size(); i++)
 175                 {
 176                         infostream<<(u32)str_out[i]<<",";
 177                 }
 178                 infostream<<std::endl;
 179
 180                 /*assert(str_out.size() == 10);
 181
 182                 assert(str_out[0] == 0);
 183                 assert(str_out[1] == 0);
 184                 assert(str_out[2] == 0);
 185                 assert(str_out[3] == 4);
 186                 assert(str_out[4] == 0);
 187                 assert(str_out[5] == 1);
 188                 assert(str_out[6] == 1);
 189                 assert(str_out[7] == 5);
 190                 assert(str_out[8] == 0);
 191                 assert(str_out[9] == 1);*/
 192
 193                 std::istringstream is(str_out, std::ios_base::binary);
 194                 std::ostringstream os2(std::ios_base::binary);
 195
 196                 decompress(is, os2, SER_FMT_VER_HIGHEST);
 197                 std::string str_out2 = os2.str();
 198
 199                 infostream<<"decompress: ";
 200                 for(u32 i=0; i<str_out2.size(); i++)
 201                 {
 202                         infostream<<(u32)str_out2[i]<<",";
 203                 }
 204                 infostream<<std::endl;
 205
 206                 assert(str_out2.size() == fromdata.getSize());
 207
 208                 for(u32 i=0; i<str_out2.size(); i++)
 209                 {
 210                         assert(str_out2[i] == fromdata[i]);
 211                 }
 212
 213                 }
 214         }
 215 };
 216
 217 struct TestMapNode
 218 {
 219         void Run()
 220         {
 221                 MapNode n;
 222
 223                 // Default values
 224                 assert(n.getContent() == CONTENT_AIR);
 225                 assert(n.getLight(LIGHTBANK_DAY) == 0);
 226                 assert(n.getLight(LIGHTBANK_NIGHT) == 0);
 227
 228                 // Transparency
 229                 n.setContent(CONTENT_AIR);
 230                 assert(n.light_propagates() == true);
 231                 n.setContent(CONTENT_STONE);
 232                 assert(n.light_propagates() == false);
 233         }
 234 };
 235
 236 struct TestVoxelManipulator
 237 {
 238         void Run()
 239         {
 240                 /*
 241                         VoxelArea
 242                 */
 243
 244                 VoxelArea a(v3s16(-1,-1,-1), v3s16(1,1,1));
 245                 assert(a.index(0,0,0) == 1*3*3 + 1*3 + 1);
 246                 assert(a.index(-1,-1,-1) == 0);
 247
 248                 VoxelArea c(v3s16(-2,-2,-2), v3s16(2,2,2));
 249                 // An area that is 1 bigger in x+ and z-
 250                 VoxelArea d(v3s16(-2,-2,-3), v3s16(3,2,2));
 251
 252                 core::list<VoxelArea> aa;
 253                 d.diff(c, aa);
 254
 255                 // Correct results
 256                 core::array<VoxelArea> results;
 257                 results.push_back(VoxelArea(v3s16(-2,-2,-3),v3s16(3,2,-3)));
 258                 results.push_back(VoxelArea(v3s16(3,-2,-2),v3s16(3,2,2)));
 259
 260                 assert(aa.size() == results.size());
 261
 262                 infostream<<"Result of diff:"<<std::endl;
 263                 for(core::list<VoxelArea>::Iterator
 264                                 i = aa.begin(); i != aa.end(); i++)
 265                 {
 266                         i->print(infostream);
 267                         infostream<<std::endl;
 268
 269                         s32 j = results.linear_search(*i);
 270                         assert(j != -1);
 271                         results.erase(j, 1);
 272                 }
 273
 274
 275                 /*
 276                         VoxelManipulator
 277                 */
 278
 279                 VoxelManipulator v;
 280
 281                 v.print(infostream);
 282
 283                 infostream<<"*** Setting (-1,0,-1)=2 ***"<<std::endl;
 284
 285                 v.setNodeNoRef(v3s16(-1,0,-1), MapNode(2));
 286
 287                 v.print(infostream);
 288
 289                 assert(v.getNode(v3s16(-1,0,-1)).getContent() == 2);
 290
 291                 infostream<<"*** Reading from inexistent (0,0,-1) ***"<<std::endl;
 292
 293                 EXCEPTION_CHECK(InvalidPositionException, v.getNode(v3s16(0,0,-1)));
 294
 295                 v.print(infostream);
 296
 297                 infostream<<"*** Adding area ***"<<std::endl;
 298
 299                 v.addArea(a);
 300
 301                 v.print(infostream);
 302
 303                 assert(v.getNode(v3s16(-1,0,-1)).getContent() == 2);
 304                 EXCEPTION_CHECK(InvalidPositionException, v.getNode(v3s16(0,1,1)));
 305
 306 #if 0
 307                 /*
 308                         Water stuff
 309                 */
 310
 311                 v.clear();
 312
 313                 const char *content =
 314                         "#...######  "
 315                         "#...##..##  "
 316                         "#........ .."
 317                         "############"
 318
 319                         "#...######  "
 320                         "#...##..##  "
 321                         "#........#  "
 322                         "############"
 323                 ;
 324
 325                 v3s16 size(12, 4, 2);
 326                 VoxelArea area(v3s16(0,0,0), size-v3s16(1,1,1));
 327
 328                 const char *p = content;
 329                 for(s16 z=0; z<size.Z; z++)
 330                 for(s16 y=size.Y-1; y>=0; y--)
 331                 for(s16 x=0; x<size.X; x++)
 332                 {
 333                         MapNode n;
 334                         //n.pressure = size.Y - y;
 335                         if(*p == '#')
 336                                 n.setContent(CONTENT_STONE);
 337                         else if(*p == '.')
 338                                 n.setContent(CONTENT_WATER);
 339                         else if(*p == ' ')
 340                                 n.setContent(CONTENT_AIR);
 341                         else
 342                                 assert(0);
 343                         v.setNode(v3s16(x,y,z), n);
 344                         p++;
 345                 }
 346
 347                 v.print(infostream, VOXELPRINT_WATERPRESSURE);
 348
 349                 core::map<v3s16, u8> active_nodes;
 350                 v.updateAreaWaterPressure(area, active_nodes);
 351
 352                 v.print(infostream, VOXELPRINT_WATERPRESSURE);
 353
 354                 //s16 highest_y = -32768;
 355                 /*
 356                         NOTE: These are commented out because this behaviour is changed
 357                               all the time
 358                 */
 359                 //assert(v.getWaterPressure(v3s16(7, 1, 1), highest_y, 0) == -1);
 360                 //assert(highest_y == 3);
 361                 /*assert(v.getWaterPressure(v3s16(7, 1, 1), highest_y, 0) == 3);
 362                 //assert(highest_y == 3);*/
 363
 364                 active_nodes.clear();
 365                 active_nodes[v3s16(9,1,0)] = 1;
 366                 //v.flowWater(active_nodes, 0, true, 1000);
 367                 v.flowWater(active_nodes, 0, false, 1000);
 368
 369                 infostream<<"Final result of flowWater:"<<std::endl;
 370                 v.print(infostream, VOXELPRINT_WATERPRESSURE);
 371 #endif
 372
 373                 //assert(0);
 374         }
 375 };
 376
 377 /*
 378         NOTE: These tests became non-working then NodeContainer was removed.
 379               These should be redone, utilizing some kind of a virtual
 380                   interface for Map (IMap would be fine).
 381 */
 382 #if 0
 383 struct TestMapBlock
 384 {
 385         class TC : public NodeContainer
 386         {
 387         public:
 388
 389                 MapNode node;
 390                 bool position_valid;
 391                 core::list<v3s16> validity_exceptions;
 392
 393                 TC()
 394                 {
 395                         position_valid = true;
 396                 }
 397
 398                 virtual bool isValidPosition(v3s16 p)
 399                 {
 400                         //return position_valid ^ (p==position_valid_exception);
 401                         bool exception = false;
 402                         for(core::list<v3s16>::Iterator i=validity_exceptions.begin();
 403                                         i != validity_exceptions.end(); i++)
 404                         {
 405                                 if(p == *i)
 406                                 {
 407                                         exception = true;
 408                                         break;
 409                                 }
 410                         }
 411                         return exception ? !position_valid : position_valid;
 412                 }
 413
 414                 virtual MapNode getNode(v3s16 p)
 415                 {
 416                         if(isValidPosition(p) == false)
 417                                 throw InvalidPositionException();
 418                         return node;
 419                 }
 420
 421                 virtual void setNode(v3s16 p, MapNode & n)
 422                 {
 423                         if(isValidPosition(p) == false)
 424                                 throw InvalidPositionException();
 425                 };
 426
 427                 virtual u16 nodeContainerId() const
 428                 {
 429                         return 666;
 430                 }
 431         };
 432
 433         void Run()
 434         {
 435                 TC parent;
 436
 437                 MapBlock b(&parent, v3s16(1,1,1));
 438                 v3s16 relpos(MAP_BLOCKSIZE, MAP_BLOCKSIZE, MAP_BLOCKSIZE);
 439
 440                 assert(b.getPosRelative() == relpos);
 441
 442                 assert(b.getBox().MinEdge.X == MAP_BLOCKSIZE);
 443                 assert(b.getBox().MaxEdge.X == MAP_BLOCKSIZE*2-1);
 444                 assert(b.getBox().MinEdge.Y == MAP_BLOCKSIZE);
 445                 assert(b.getBox().MaxEdge.Y == MAP_BLOCKSIZE*2-1);
 446                 assert(b.getBox().MinEdge.Z == MAP_BLOCKSIZE);
 447                 assert(b.getBox().MaxEdge.Z == MAP_BLOCKSIZE*2-1);
 448
 449                 assert(b.isValidPosition(v3s16(0,0,0)) == true);
 450                 assert(b.isValidPosition(v3s16(-1,0,0)) == false);
 451                 assert(b.isValidPosition(v3s16(-1,-142,-2341)) == false);
 452                 assert(b.isValidPosition(v3s16(-124,142,2341)) == false);
 453                 assert(b.isValidPosition(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1)) == true);
 454                 assert(b.isValidPosition(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE,MAP_BLOCKSIZE-1)) == false);
 455
 456                 /*
 457                         TODO: this method should probably be removed
 458                         if the block size isn't going to be set variable
 459                 */
 460                 /*assert(b.getSizeNodes() == v3s16(MAP_BLOCKSIZE,
 461                                 MAP_BLOCKSIZE, MAP_BLOCKSIZE));*/
 462
 463                 // Changed flag should be initially set
 464                 assert(b.getChangedFlag() == true);
 465                 b.resetChangedFlag();
 466                 assert(b.getChangedFlag() == false);
 467
 468                 // All nodes should have been set to
 469                 // .d=CONTENT_IGNORE and .getLight() = 0
 470                 for(u16 z=0; z<MAP_BLOCKSIZE; z++)
 471                 for(u16 y=0; y<MAP_BLOCKSIZE; y++)
 472                 for(u16 x=0; x<MAP_BLOCKSIZE; x++)
 473                 {
 474                         //assert(b.getNode(v3s16(x,y,z)).getContent() == CONTENT_AIR);
 475                         assert(b.getNode(v3s16(x,y,z)).getContent() == CONTENT_IGNORE);
 476                         assert(b.getNode(v3s16(x,y,z)).getLight(LIGHTBANK_DAY) == 0);
 477                         assert(b.getNode(v3s16(x,y,z)).getLight(LIGHTBANK_NIGHT) == 0);
 478                 }
 479
 480                 {
 481                         MapNode n(CONTENT_AIR);
 482                         for(u16 z=0; z<MAP_BLOCKSIZE; z++)
 483                         for(u16 y=0; y<MAP_BLOCKSIZE; y++)
 484                         for(u16 x=0; x<MAP_BLOCKSIZE; x++)
 485                         {
 486                                 b.setNode(v3s16(x,y,z), n);
 487                         }
 488                 }
 489
 490                 /*
 491                         Parent fetch functions
 492                 */
 493                 parent.position_valid = false;
 494                 parent.node.setContent(5);
 495
 496                 MapNode n;
 497
 498                 // Positions in the block should still be valid
 499                 assert(b.isValidPositionParent(v3s16(0,0,0)) == true);
 500                 assert(b.isValidPositionParent(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1)) == true);
 501                 n = b.getNodeParent(v3s16(0,MAP_BLOCKSIZE-1,0));
 502                 assert(n.getContent() == CONTENT_AIR);
 503
 504                 // ...but outside the block they should be invalid
 505                 assert(b.isValidPositionParent(v3s16(-121,2341,0)) == false);
 506                 assert(b.isValidPositionParent(v3s16(-1,0,0)) == false);
 507                 assert(b.isValidPositionParent(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE)) == false);
 508
 509                 {
 510                         bool exception_thrown = false;
 511                         try{
 512                                 // This should throw an exception
 513                                 MapNode n = b.getNodeParent(v3s16(0,0,-1));
 514                         }
 515                         catch(InvalidPositionException &e)
 516                         {
 517                                 exception_thrown = true;
 518                         }
 519                         assert(exception_thrown);
 520                 }
 521
 522                 parent.position_valid = true;
 523                 // Now the positions outside should be valid
 524                 assert(b.isValidPositionParent(v3s16(-121,2341,0)) == true);
 525                 assert(b.isValidPositionParent(v3s16(-1,0,0)) == true);
 526                 assert(b.isValidPositionParent(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE)) == true);
 527                 n = b.getNodeParent(v3s16(0,0,MAP_BLOCKSIZE));
 528                 assert(n.getContent() == 5);
 529
 530                 /*
 531                         Set a node
 532                 */
 533                 v3s16 p(1,2,0);
 534                 n.setContent(4);
 535                 b.setNode(p, n);
 536                 assert(b.getNode(p).getContent() == 4);
 537                 //TODO: Update to new system
 538                 /*assert(b.getNodeTile(p) == 4);
 539                 assert(b.getNodeTile(v3s16(-1,-1,0)) == 5);*/
 540
 541                 /*
 542                         propagateSunlight()
 543                 */
 544                 // Set lighting of all nodes to 0
 545                 for(u16 z=0; z<MAP_BLOCKSIZE; z++){
 546                         for(u16 y=0; y<MAP_BLOCKSIZE; y++){
 547                                 for(u16 x=0; x<MAP_BLOCKSIZE; x++){
 548                                         MapNode n = b.getNode(v3s16(x,y,z));
 549                                         n.setLight(LIGHTBANK_DAY, 0);
 550                                         n.setLight(LIGHTBANK_NIGHT, 0);
 551                                         b.setNode(v3s16(x,y,z), n);
 552                                 }
 553                         }
 554                 }
 555                 {
 556                         /*
 557                                 Check how the block handles being a lonely sky block
 558                         */
 559                         parent.position_valid = true;
 560                         b.setIsUnderground(false);
 561                         parent.node.setContent(CONTENT_AIR);
 562                         parent.node.setLight(LIGHTBANK_DAY, LIGHT_SUN);
 563                         parent.node.setLight(LIGHTBANK_NIGHT, 0);
 564                         core::map<v3s16, bool> light_sources;
 565                         // The bottom block is invalid, because we have a shadowing node
 566                         assert(b.propagateSunlight(light_sources) == false);
 567                         assert(b.getNode(v3s16(1,4,0)).getLight(LIGHTBANK_DAY) == LIGHT_SUN);
 568                         assert(b.getNode(v3s16(1,3,0)).getLight(LIGHTBANK_DAY) == LIGHT_SUN);
 569                         assert(b.getNode(v3s16(1,2,0)).getLight(LIGHTBANK_DAY) == 0);
 570                         assert(b.getNode(v3s16(1,1,0)).getLight(LIGHTBANK_DAY) == 0);
 571                         assert(b.getNode(v3s16(1,0,0)).getLight(LIGHTBANK_DAY) == 0);
 572                         assert(b.getNode(v3s16(1,2,3)).getLight(LIGHTBANK_DAY) == LIGHT_SUN);
 573                         assert(b.getFaceLight2(1000, p, v3s16(0,1,0)) == LIGHT_SUN);
 574                         assert(b.getFaceLight2(1000, p, v3s16(0,-1,0)) == 0);
 575                         assert(b.getFaceLight2(0, p, v3s16(0,-1,0)) == 0);
 576                         // According to MapBlock::getFaceLight,
 577                         // The face on the z+ side should have double-diminished light
 578                         //assert(b.getFaceLight(p, v3s16(0,0,1)) == diminish_light(diminish_light(LIGHT_MAX)));
 579                         // The face on the z+ side should have diminished light
 580                         assert(b.getFaceLight2(1000, p, v3s16(0,0,1)) == diminish_light(LIGHT_MAX));
 581                 }
 582                 /*
 583                         Check how the block handles being in between blocks with some non-sunlight
 584                         while being underground
 585                 */
 586                 {
 587                         // Make neighbours to exist and set some non-sunlight to them
 588                         parent.position_valid = true;
 589                         b.setIsUnderground(true);
 590                         parent.node.setLight(LIGHTBANK_DAY, LIGHT_MAX/2);
 591                         core::map<v3s16, bool> light_sources;
 592                         // The block below should be valid because there shouldn't be
 593                         // sunlight in there either
 594                         assert(b.propagateSunlight(light_sources, true) == true);
 595                         // Should not touch nodes that are not affected (that is, all of them)
 596                         //assert(b.getNode(v3s16(1,2,3)).getLight() == LIGHT_SUN);
 597                         // Should set light of non-sunlighted blocks to 0.
 598                         assert(b.getNode(v3s16(1,2,3)).getLight(LIGHTBANK_DAY) == 0);
 599                 }
 600                 /*
 601                         Set up a situation where:
 602                         - There is only air in this block
 603                         - There is a valid non-sunlighted block at the bottom, and
 604                         - Invalid blocks elsewhere.
 605                         - the block is not underground.
 606
 607                         This should result in bottom block invalidity
 608                 */
 609                 {
 610                         b.setIsUnderground(false);
 611                         // Clear block
 612                         for(u16 z=0; z<MAP_BLOCKSIZE; z++){
 613                                 for(u16 y=0; y<MAP_BLOCKSIZE; y++){
 614                                         for(u16 x=0; x<MAP_BLOCKSIZE; x++){
 615                                                 MapNode n;
 616                                                 n.setContent(CONTENT_AIR);
 617                                                 n.setLight(LIGHTBANK_DAY, 0);
 618                                                 b.setNode(v3s16(x,y,z), n);
 619                                         }
 620                                 }
 621                         }
 622                         // Make neighbours invalid
 623                         parent.position_valid = false;
 624                         // Add exceptions to the top of the bottom block
 625                         for(u16 x=0; x<MAP_BLOCKSIZE; x++)
 626                         for(u16 z=0; z<MAP_BLOCKSIZE; z++)
 627                         {
 628                                 parent.validity_exceptions.push_back(v3s16(MAP_BLOCKSIZE+x, MAP_BLOCKSIZE-1, MAP_BLOCKSIZE+z));
 629                         }
 630                         // Lighting value for the valid nodes
 631                         parent.node.setLight(LIGHTBANK_DAY, LIGHT_MAX/2);
 632                         core::map<v3s16, bool> light_sources;
 633                         // Bottom block is not valid
 634                         assert(b.propagateSunlight(light_sources) == false);
 635                 }
 636         }
 637 };
 638
 639 struct TestMapSector
 640 {
 641         class TC : public NodeContainer
 642         {
 643         public:
 644
 645                 MapNode node;
 646                 bool position_valid;
 647
 648                 TC()
 649                 {
 650                         position_valid = true;
 651                 }
 652
 653                 virtual bool isValidPosition(v3s16 p)
 654                 {
 655                         return position_valid;
 656                 }
 657
 658                 virtual MapNode getNode(v3s16 p)
 659                 {
 660                         if(position_valid == false)
 661                                 throw InvalidPositionException();
 662                         return node;
 663                 }
 664
 665                 virtual void setNode(v3s16 p, MapNode & n)
 666                 {
 667                         if(position_valid == false)
 668                                 throw InvalidPositionException();
 669                 };
 670
 671                 virtual u16 nodeContainerId() const
 672                 {
 673                         return 666;
 674                 }
 675         };
 676
 677         void Run()
 678         {
 679                 TC parent;
 680                 parent.position_valid = false;
 681
 682                 // Create one with no heightmaps
 683                 ServerMapSector sector(&parent, v2s16(1,1));
 684
 685                 assert(sector.getBlockNoCreateNoEx(0) == 0);
 686                 assert(sector.getBlockNoCreateNoEx(1) == 0);
 687
 688                 MapBlock * bref = sector.createBlankBlock(-2);
 689
 690                 assert(sector.getBlockNoCreateNoEx(0) == 0);
 691                 assert(sector.getBlockNoCreateNoEx(-2) == bref);
 692
 693                 //TODO: Check for AlreadyExistsException
 694
 695                 /*bool exception_thrown = false;
 696                 try{
 697                         sector.getBlock(0);
 698                 }
 699                 catch(InvalidPositionException &e){
 700                         exception_thrown = true;
 701                 }
 702                 assert(exception_thrown);*/
 703
 704         }
 705 };
 706 #endif
 707
 708 struct TestSocket
 709 {
 710         void Run()
 711         {
 712                 const int port = 30003;
 713                 UDPSocket socket;
 714                 socket.Bind(port);
 715
 716                 const char sendbuffer[] = "hello world!";
 717                 socket.Send(Address(127,0,0,1,port), sendbuffer, sizeof(sendbuffer));
 718
 719                 sleep_ms(50);
 720
 721                 char rcvbuffer[256];
 722                 memset(rcvbuffer, 0, sizeof(rcvbuffer));
 723                 Address sender;
 724                 for(;;)
 725                 {
 726                         int bytes_read = socket.Receive(sender, rcvbuffer, sizeof(rcvbuffer));
 727                         if(bytes_read < 0)
 728                                 break;
 729                 }
 730                 //FIXME: This fails on some systems
 731                 assert(strncmp(sendbuffer, rcvbuffer, sizeof(sendbuffer))==0);
 732                 assert(sender.getAddress() == Address(127,0,0,1, 0).getAddress());
 733         }
 734 };
 735
 736 struct TestConnection
 737 {
 738         void TestHelpers()
 739         {
 740                 /*
 741                         Test helper functions
 742                 */
 743
 744                 // Some constants for testing
 745                 u32 proto_id = 0x12345678;
 746                 u16 peer_id = 123;
 747                 u8 channel = 2;
 748                 SharedBuffer<u8> data1(1);
 749                 data1[0] = 100;
 750                 Address a(127,0,0,1, 10);
 751                 u16 seqnum = 34352;
 752
 753                 con::BufferedPacket p1 = con::makePacket(a, data1,
 754                                 proto_id, peer_id, channel);
 755                 /*
 756                         We should now have a packet with this data:
 757                         Header:
 758                                 [0] u32 protocol_id
 759                                 [4] u16 sender_peer_id
 760                                 [6] u8 channel
 761                         Data:
 762                                 [7] u8 data1[0]
 763                 */
 764                 assert(readU32(&p1.data[0]) == proto_id);
 765                 assert(readU16(&p1.data[4]) == peer_id);
 766                 assert(readU8(&p1.data[6]) == channel);
 767                 assert(readU8(&p1.data[7]) == data1[0]);
 768
 769                 //infostream<<"initial data1[0]="<<((u32)data1[0]&0xff)<<std::endl;
 770
 771                 SharedBuffer<u8> p2 = con::makeReliablePacket(data1, seqnum);
 772
 773                 /*infostream<<"p2.getSize()="<<p2.getSize()<<", data1.getSize()="
 774                                 <<data1.getSize()<<std::endl;
 775                 infostream<<"readU8(&p2[3])="<<readU8(&p2[3])
 776                                 <<" p2[3]="<<((u32)p2[3]&0xff)<<std::endl;
 777                 infostream<<"data1[0]="<<((u32)data1[0]&0xff)<<std::endl;*/
 778
 779                 assert(p2.getSize() == 3 + data1.getSize());
 780                 assert(readU8(&p2[0]) == TYPE_RELIABLE);
 781                 assert(readU16(&p2[1]) == seqnum);
 782                 assert(readU8(&p2[3]) == data1[0]);
 783         }
 784
 785         struct Handler : public con::PeerHandler
 786         {
 787                 Handler(const char *a_name)
 788                 {
 789                         count = 0;
 790                         last_id = 0;
 791                         name = a_name;
 792                 }
 793                 void peerAdded(con::Peer *peer)
 794                 {
 795                         infostream<<"Handler("<<name<<")::peerAdded(): "
 796                                         "id="<<peer->id<<std::endl;
 797                         last_id = peer->id;
 798                         count++;
 799                 }
 800                 void deletingPeer(con::Peer *peer, bool timeout)
 801                 {
 802                         infostream<<"Handler("<<name<<")::deletingPeer(): "
 803                                         "id="<<peer->id
 804                                         <<", timeout="<<timeout<<std::endl;
 805                         last_id = peer->id;
 806                         count--;
 807                 }
 808
 809                 s32 count;
 810                 u16 last_id;
 811                 const char *name;
 812         };
 813
 814         void Run()
 815         {
 816                 DSTACK("TestConnection::Run");
 817
 818                 TestHelpers();
 819
 820                 /*
 821                         Test some real connections
 822
 823                         NOTE: This mostly tests the legacy interface.
 824                 */
 825
 826                 u32 proto_id = 0xad26846a;
 827
 828                 Handler hand_server("server");
 829                 Handler hand_client("client");
 830
 831                 infostream<<"** Creating server Connection"<<std::endl;
 832                 con::Connection server(proto_id, 512, 5.0, &hand_server);
 833                 server.Serve(30001);
 834
 835                 infostream<<"** Creating client Connection"<<std::endl;
 836                 con::Connection client(proto_id, 512, 5.0, &hand_client);
 837
 838                 assert(hand_server.count == 0);
 839                 assert(hand_client.count == 0);
 840
 841                 sleep_ms(50);
 842
 843                 Address server_address(127,0,0,1, 30001);
 844                 infostream<<"** running client.Connect()"<<std::endl;
 845                 client.Connect(server_address);
 846
 847                 sleep_ms(50);
 848
 849                 // Client should not have added client yet
 850                 assert(hand_client.count == 0);
 851
 852                 try
 853                 {
 854                         u16 peer_id;
 855                         u8 data[100];
 856                         infostream<<"** running client.Receive()"<<std::endl;
 857                         u32 size = client.Receive(peer_id, data, 100);
 858                         infostream<<"** Client received: peer_id="<<peer_id
 859                                         <<", size="<<size
 860                                         <<std::endl;
 861                 }
 862                 catch(con::NoIncomingDataException &e)
 863                 {
 864                 }
 865
 866                 // Client should have added server now
 867                 assert(hand_client.count == 1);
 868                 assert(hand_client.last_id == 1);
 869                 // Server should not have added client yet
 870                 assert(hand_server.count == 0);
 871
 872                 sleep_ms(50);
 873
 874                 try
 875                 {
 876                         u16 peer_id;
 877                         u8 data[100];
 878                         infostream<<"** running server.Receive()"<<std::endl;
 879                         u32 size = server.Receive(peer_id, data, 100);
 880                         infostream<<"** Server received: peer_id="<<peer_id
 881                                         <<", size="<<size
 882                                         <<std::endl;
 883                 }
 884                 catch(con::NoIncomingDataException &e)
 885                 {
 886                         // No actual data received, but the client has
 887                         // probably been connected
 888                 }
 889
 890                 // Client should be the same
 891                 assert(hand_client.count == 1);
 892                 assert(hand_client.last_id == 1);
 893                 // Server should have the client
 894                 assert(hand_server.count == 1);
 895                 assert(hand_server.last_id == 2);
 896
 897                 //sleep_ms(50);
 898
 899                 while(client.Connected() == false)
 900                 {
 901                         try
 902                         {
 903                                 u16 peer_id;
 904                                 u8 data[100];
 905                                 infostream<<"** running client.Receive()"<<std::endl;
 906                                 u32 size = client.Receive(peer_id, data, 100);
 907                                 infostream<<"** Client received: peer_id="<<peer_id
 908                                                 <<", size="<<size
 909                                                 <<std::endl;
 910                         }
 911                         catch(con::NoIncomingDataException &e)
 912                         {
 913                         }
 914                         sleep_ms(50);
 915                 }
 916
 917                 sleep_ms(50);
 918
 919                 try
 920                 {
 921                         u16 peer_id;
 922                         u8 data[100];
 923                         infostream<<"** running server.Receive()"<<std::endl;
 924                         u32 size = server.Receive(peer_id, data, 100);
 925                         infostream<<"** Server received: peer_id="<<peer_id
 926                                         <<", size="<<size
 927                                         <<std::endl;
 928                 }
 929                 catch(con::NoIncomingDataException &e)
 930                 {
 931                 }
 932 #if 1
 933                 /*
 934                         Simple send-receive test
 935                 */
 936                 {
 937                         /*u8 data[] = "Hello World!";
 938                         u32 datasize = sizeof(data);*/
 939                         SharedBuffer<u8> data = SharedBufferFromString("Hello World!");
 940
 941                         infostream<<"** running client.Send()"<<std::endl;
 942                         client.Send(PEER_ID_SERVER, 0, data, true);
 943
 944                         sleep_ms(50);
 945
 946                         u16 peer_id;
 947                         u8 recvdata[100];
 948                         infostream<<"** running server.Receive()"<<std::endl;
 949                         u32 size = server.Receive(peer_id, recvdata, 100);
 950                         infostream<<"** Server received: peer_id="<<peer_id
 951                                         <<", size="<<size
 952                                         <<", data="<<*data
 953                                         <<std::endl;
 954                         assert(memcmp(*data, recvdata, data.getSize()) == 0);
 955                 }
 956 #endif
 957                 u16 peer_id_client = 2;
 958 #if 0
 959                 /*
 960                         Send consequent packets in different order
 961                         Not compatible with new Connection, thus commented out.
 962                 */
 963                 {
 964                         //u8 data1[] = "hello1";
 965                         //u8 data2[] = "hello2";
 966                         SharedBuffer<u8> data1 = SharedBufferFromString("hello1");
 967                         SharedBuffer<u8> data2 = SharedBufferFromString("Hello2");
 968
 969                         Address client_address =
 970                                         server.GetPeerAddress(peer_id_client);
 971
 972                         infostream<<"*** Sending packets in wrong order (2,1,2)"
 973                                         <<std::endl;
 974
 975                         u8 chn = 0;
 976                         con::Channel *ch = &server.getPeer(peer_id_client)->channels[chn];
 977                         u16 sn = ch->next_outgoing_seqnum;
 978                         ch->next_outgoing_seqnum = sn+1;
 979                         server.Send(peer_id_client, chn, data2, true);
 980                         ch->next_outgoing_seqnum = sn;
 981                         server.Send(peer_id_client, chn, data1, true);
 982                         ch->next_outgoing_seqnum = sn+1;
 983                         server.Send(peer_id_client, chn, data2, true);
 984
 985                         sleep_ms(50);
 986
 987                         infostream<<"*** Receiving the packets"<<std::endl;
 988
 989                         u16 peer_id;
 990                         u8 recvdata[20];
 991                         u32 size;
 992
 993                         infostream<<"** running client.Receive()"<<std::endl;
 994                         peer_id = 132;
 995                         size = client.Receive(peer_id, recvdata, 20);
 996                         infostream<<"** Client received: peer_id="<<peer_id
 997                                         <<", size="<<size
 998                                         <<", data="<<recvdata
 999                                         <<std::endl;
1000                         assert(size == data1.getSize());
1001                         assert(memcmp(*data1, recvdata, data1.getSize()) == 0);
1002                         assert(peer_id == PEER_ID_SERVER);
1003
1004                         infostream<<"** running client.Receive()"<<std::endl;
1005                         peer_id = 132;
1006                         size = client.Receive(peer_id, recvdata, 20);
1007                         infostream<<"** Client received: peer_id="<<peer_id
1008                                         <<", size="<<size
1009                                         <<", data="<<recvdata
1010                                         <<std::endl;
1011                         assert(size == data2.getSize());
1012                         assert(memcmp(*data2, recvdata, data2.getSize()) == 0);
1013                         assert(peer_id == PEER_ID_SERVER);
1014
1015                         bool got_exception = false;
1016                         try
1017                         {
1018                                 infostream<<"** running client.Receive()"<<std::endl;
1019                                 peer_id = 132;
1020                                 size = client.Receive(peer_id, recvdata, 20);
1021                                 infostream<<"** Client received: peer_id="<<peer_id
1022                                                 <<", size="<<size
1023                                                 <<", data="<<recvdata
1024                                                 <<std::endl;
1025                         }
1026                         catch(con::NoIncomingDataException &e)
1027                         {
1028                                 infostream<<"** No incoming data for client"<<std::endl;
1029                                 got_exception = true;
1030                         }
1031                         assert(got_exception);
1032                 }
1033 #endif
1034 #if 0
1035                 /*
1036                         Send large amounts of packets (infinite test)
1037                         Commented out because of infinity.
1038                 */
1039                 {
1040                         infostream<<"Sending large amounts of packets (infinite test)"<<std::endl;
1041                         int sendcount = 0;
1042                         for(;;){
1043                                 int datasize = myrand_range(0,5)==0?myrand_range(100,10000):myrand_range(0,100);
1044                                 infostream<<"datasize="<<datasize<<std::endl;
1045                                 SharedBuffer<u8> data1(datasize);
1046                                 for(u16 i=0; i<datasize; i++)
1047                                         data1[i] = i/4;
1048
1049                                 int sendtimes = myrand_range(1,10);
1050                                 for(int i=0; i<sendtimes; i++){
1051                                         server.Send(peer_id_client, 0, data1, true);
1052                                         sendcount++;
1053                                 }
1054                                 infostream<<"sendcount="<<sendcount<<std::endl;
1055
1056                                 //int receivetimes = myrand_range(1,20);
1057                                 int receivetimes = 20;
1058                                 for(int i=0; i<receivetimes; i++){
1059                                         u8 recvdata[100000];
1060                                         u16 peer_id = 132;
1061                                         u16 size = 0;
1062                                         bool received = false;
1063                                         try{
1064                                                 size = client.Receive(peer_id, recvdata, 100000);
1065                                                 received = true;
1066                                         }catch(con::NoIncomingDataException &e){
1067                                         }
1068                                 }
1069                         }
1070                 }
1071 #endif
1072                 /*
1073                         Send a large packet
1074                 */
1075                 {
1076                         const int datasize = 30000;
1077                         SharedBuffer<u8> data1(datasize);
1078                         for(u16 i=0; i<datasize; i++){
1079                                 data1[i] = i/4;
1080                         }
1081
1082                         infostream<<"Sending data (size="<<datasize<<"):";
1083                         for(int i=0; i<datasize && i<20; i++){
1084                                 if(i%2==0) DEBUGPRINT(" ");
1085                                 DEBUGPRINT("%.2X", ((int)((const char*)*data1)[i])&0xff);
1086                         }
1087                         if(datasize>20)
1088                                 infostream<<"...";
1089                         infostream<<std::endl;
1090
1091                         server.Send(peer_id_client, 0, data1, true);
1092
1093                         sleep_ms(3000);
1094
1095                         u8 recvdata[datasize + 1000];
1096                         infostream<<"** running client.Receive()"<<std::endl;
1097                         u16 peer_id = 132;
1098                         u16 size = 0;
1099                         bool received = false;
1100                         u32 timems0 = porting::getTimeMs();
1101                         for(;;){
1102                                 if(porting::getTimeMs() - timems0 > 5000)
1103                                         break;
1104                                 try{
1105                                         size = client.Receive(peer_id, recvdata, datasize + 1000);
1106                                         received = true;
1107                                 }catch(con::NoIncomingDataException &e){
1108                                 }
1109                                 sleep_ms(10);
1110                         }
1111                         assert(received);
1112                         infostream<<"** Client received: peer_id="<<peer_id
1113                                         <<", size="<<size
1114                                         <<std::endl;
1115
1116                         infostream<<"Received data (size="<<size<<"):";
1117                         for(int i=0; i<size && i<20; i++){
1118                                 if(i%2==0) DEBUGPRINT(" ");
1119                                 DEBUGPRINT("%.2X", ((int)((const char*)recvdata)[i])&0xff);
1120                         }
1121                         if(size>20)
1122                                 infostream<<"...";
1123                         infostream<<std::endl;
1124
1125                         assert(memcmp(*data1, recvdata, data1.getSize()) == 0);
1126                         assert(peer_id == PEER_ID_SERVER);
1127                 }
1128
1129                 // Check peer handlers
1130                 assert(hand_client.count == 1);
1131                 assert(hand_client.last_id == 1);
1132                 assert(hand_server.count == 1);
1133                 assert(hand_server.last_id == 2);
1134
1135                 //assert(0);
1136         }
1137 };
1138
1139 #define TEST(X)\
1140 {\
1141         X x;\
1142         infostream<<"Running " #X <<std::endl;\
1143         x.Run();\
1144 }
1145
1146 void run_tests()
1147 {
1148         DSTACK(__FUNCTION_NAME);
1149         infostream<<"run_tests() started"<<std::endl;
1150         TEST(TestUtilities);
1151         TEST(TestSettings);
1152         TEST(TestCompress);
1153         TEST(TestMapNode);
1154         TEST(TestVoxelManipulator);
1155         //TEST(TestMapBlock);
1156         //TEST(TestMapSector);
1157         if(INTERNET_SIMULATOR == false){
1158                 TEST(TestSocket);
1159                 dout_con<<"=== BEGIN RUNNING UNIT TESTS FOR CONNECTION ==="<<std::endl;
1160                 TEST(TestConnection);
1161                 dout_con<<"=== END RUNNING UNIT TESTS FOR CONNECTION ==="<<std::endl;
1162         }
1163         infostream<<"run_tests() passed"<<std::endl;
1164 }
1165