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