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