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