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 Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser 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 "serialization.h"
  29 #include "voxel.h"
  30 #include <sstream>
  31 #include "porting.h"
  32 #include "content_mapnode.h"
  33 #include "nodedef.h"
  34 #include "mapsector.h"
  35 #include "settings.h"
  36 #include "log.h"
  37 #include "util/string.h"
  38 #include "voxelalgorithms.h"
  39 #include "inventory.h"
  40 #include "util/numeric.h"
  41 #include "util/serialize.h"
  42
  43 /*
  44         Asserts that the exception occurs
  45 */
  46 #define EXCEPTION_CHECK(EType, code)\
  47 {\
  48         bool exception_thrown = false;\
  49         try{ code; }\
  50         catch(EType &e) { exception_thrown = true; }\
  51         assert(exception_thrown);\
  52 }
  53
  54 /*
  55         A few item and node definitions for those tests that need them
  56 */
  57
  58 #define CONTENT_STONE 0
  59 #define CONTENT_GRASS 0x800
  60 #define CONTENT_TORCH 100
  61
  62 void define_some_nodes(IWritableItemDefManager *idef, IWritableNodeDefManager *ndef)
  63 {
  64         content_t i;
  65         ItemDefinition itemdef;
  66         ContentFeatures f;
  67
  68         /*
  69                 Stone
  70         */
  71         i = CONTENT_STONE;
  72         itemdef = ItemDefinition();
  73         itemdef.type = ITEM_NODE;
  74         itemdef.name = "default:stone";
  75         itemdef.description = "Stone";
  76         itemdef.groups["cracky"] = 3;
  77         itemdef.inventory_image = "[inventorycube"
  78                 "{default_stone.png"
  79                 "{default_stone.png"
  80                 "{default_stone.png";
  81         f = ContentFeatures();
  82         f.name = itemdef.name;
  83         for(int i = 0; i < 6; i++)
  84                 f.tiledef[i].name = "default_stone.png";
  85         f.is_ground_content = true;
  86         idef->registerItem(itemdef);
  87         ndef->set(i, f);
  88
  89         /*
  90                 Grass
  91         */
  92         i = CONTENT_GRASS;
  93         itemdef = ItemDefinition();
  94         itemdef.type = ITEM_NODE;
  95         itemdef.name = "default:dirt_with_grass";
  96         itemdef.description = "Dirt with grass";
  97         itemdef.groups["crumbly"] = 3;
  98         itemdef.inventory_image = "[inventorycube"
  99                 "{default_grass.png"
 100                 "{default_dirt.png&default_grass_side.png"
 101                 "{default_dirt.png&default_grass_side.png";
 102         f = ContentFeatures();
 103         f.name = itemdef.name;
 104         f.tiledef[0].name = "default_grass.png";
 105         f.tiledef[1].name = "default_dirt.png";
 106         for(int i = 2; i < 6; i++)
 107                 f.tiledef[i].name = "default_dirt.png^default_grass_side.png";
 108         f.is_ground_content = true;
 109         idef->registerItem(itemdef);
 110         ndef->set(i, f);
 111
 112         /*
 113                 Torch (minimal definition for lighting tests)
 114         */
 115         i = CONTENT_TORCH;
 116         itemdef = ItemDefinition();
 117         itemdef.type = ITEM_NODE;
 118         itemdef.name = "default:torch";
 119         f = ContentFeatures();
 120         f.name = itemdef.name;
 121         f.param_type = CPT_LIGHT;
 122         f.light_propagates = true;
 123         f.sunlight_propagates = true;
 124         f.light_source = LIGHT_MAX-1;
 125         idef->registerItem(itemdef);
 126         ndef->set(i, f);
 127 }
 128
 129 struct TestUtilities
 130 {
 131         void Run()
 132         {
 133                 /*infostream<<"wrapDegrees(100.0) = "<<wrapDegrees(100.0)<<std::endl;
 134                 infostream<<"wrapDegrees(720.5) = "<<wrapDegrees(720.5)<<std::endl;
 135                 infostream<<"wrapDegrees(-0.5) = "<<wrapDegrees(-0.5)<<std::endl;*/
 136                 assert(fabs(wrapDegrees(100.0) - 100.0) < 0.001);
 137                 assert(fabs(wrapDegrees(720.5) - 0.5) < 0.001);
 138                 assert(fabs(wrapDegrees(-0.5) - (-0.5)) < 0.001);
 139                 assert(fabs(wrapDegrees(-365.5) - (-5.5)) < 0.001);
 140                 assert(lowercase("Foo bAR") == "foo bar");
 141                 assert(is_yes("YeS") == true);
 142                 assert(is_yes("") == false);
 143                 assert(is_yes("FAlse") == false);
 144                 const char *ends[] = {"abc", "c", "bc", NULL};
 145                 assert(removeStringEnd("abc", ends) == "");
 146                 assert(removeStringEnd("bc", ends) == "b");
 147                 assert(removeStringEnd("12c", ends) == "12");
 148                 assert(removeStringEnd("foo", ends) == "");
 149         }
 150 };
 151
 152 struct TestSettings
 153 {
 154         void Run()
 155         {
 156                 Settings s;
 157                 // Test reading of settings
 158                 s.parseConfigLine("leet = 1337");
 159                 s.parseConfigLine("leetleet = 13371337");
 160                 s.parseConfigLine("leetleet_neg = -13371337");
 161                 s.parseConfigLine("floaty_thing = 1.1");
 162                 s.parseConfigLine("stringy_thing = asd /( ¤%&(/\" BLÖÄRP");
 163                 s.parseConfigLine("coord = (1, 2, 4.5)");
 164                 assert(s.getS32("leet") == 1337);
 165                 assert(s.getS16("leetleet") == 32767);
 166                 assert(s.getS16("leetleet_neg") == -32768);
 167                 // Not sure if 1.1 is an exact value as a float, but doesn't matter
 168                 assert(fabs(s.getFloat("floaty_thing") - 1.1) < 0.001);
 169                 assert(s.get("stringy_thing") == "asd /( ¤%&(/\" BLÖÄRP");
 170                 assert(fabs(s.getV3F("coord").X - 1.0) < 0.001);
 171                 assert(fabs(s.getV3F("coord").Y - 2.0) < 0.001);
 172                 assert(fabs(s.getV3F("coord").Z - 4.5) < 0.001);
 173                 // Test the setting of settings too
 174                 s.setFloat("floaty_thing_2", 1.2);
 175                 s.setV3F("coord2", v3f(1, 2, 3.3));
 176                 assert(s.get("floaty_thing_2").substr(0,3) == "1.2");
 177                 assert(fabs(s.getFloat("floaty_thing_2") - 1.2) < 0.001);
 178                 assert(fabs(s.getV3F("coord2").X - 1.0) < 0.001);
 179                 assert(fabs(s.getV3F("coord2").Y - 2.0) < 0.001);
 180                 assert(fabs(s.getV3F("coord2").Z - 3.3) < 0.001);
 181         }
 182 };
 183
 184 struct TestSerialization
 185 {
 186         // To be used like this:
 187         //   mkstr("Some\0string\0with\0embedded\0nuls")
 188         // since std::string("...") doesn't work as expected in that case.
 189         template<size_t N> std::string mkstr(const char (&s)[N])
 190         {
 191                 return std::string(s, N - 1);
 192         }
 193
 194         void Run()
 195         {
 196                 // Tests some serialization primitives
 197
 198                 assert(serializeString("") == mkstr("\0\0"));
 199                 assert(serializeWideString(L"") == mkstr("\0\0"));
 200                 assert(serializeLongString("") == mkstr("\0\0\0\0"));
 201                 assert(serializeJsonString("") == "\"\"");
 202
 203                 std::string teststring = "Hello world!";
 204                 assert(serializeString(teststring) ==
 205                         mkstr("\0\14Hello world!"));
 206                 assert(serializeWideString(narrow_to_wide(teststring)) ==
 207                         mkstr("\0\14\0H\0e\0l\0l\0o\0 \0w\0o\0r\0l\0d\0!"));
 208                 assert(serializeLongString(teststring) ==
 209                         mkstr("\0\0\0\14Hello world!"));
 210                 assert(serializeJsonString(teststring) ==
 211                         "\"Hello world!\"");
 212
 213                 std::string teststring2;
 214                 std::wstring teststring2_w;
 215                 std::string teststring2_w_encoded;
 216                 {
 217                         std::ostringstream tmp_os;
 218                         std::wostringstream tmp_os_w;
 219                         std::ostringstream tmp_os_w_encoded;
 220                         for(int i = 0; i < 256; i++)
 221                         {
 222                                 tmp_os<<(char)i;
 223                                 tmp_os_w<<(wchar_t)i;
 224                                 tmp_os_w_encoded<<(char)0<<(char)i;
 225                         }
 226                         teststring2 = tmp_os.str();
 227                         teststring2_w = tmp_os_w.str();
 228                         teststring2_w_encoded = tmp_os_w_encoded.str();
 229                 }
 230                 assert(serializeString(teststring2) ==
 231                         mkstr("\1\0") + teststring2);
 232                 assert(serializeWideString(teststring2_w) ==
 233                         mkstr("\1\0") + teststring2_w_encoded);
 234                 assert(serializeLongString(teststring2) ==
 235                         mkstr("\0\0\1\0") + teststring2);
 236                 // MSVC fails when directly using "\\\\"
 237                 std::string backslash = "\\";
 238                 assert(serializeJsonString(teststring2) ==
 239                         mkstr("\"") +
 240                         "\\u0000\\u0001\\u0002\\u0003\\u0004\\u0005\\u0006\\u0007" +
 241                         "\\b\\t\\n\\u000b\\f\\r\\u000e\\u000f" +
 242                         "\\u0010\\u0011\\u0012\\u0013\\u0014\\u0015\\u0016\\u0017" +
 243                         "\\u0018\\u0019\\u001a\\u001b\\u001c\\u001d\\u001e\\u001f" +
 244                         " !\\\"" + teststring2.substr(0x23, 0x2f-0x23) +
 245                         "\\/" + teststring2.substr(0x30, 0x5c-0x30) +
 246                         backslash + backslash + teststring2.substr(0x5d, 0x7f-0x5d) + "\\u007f" +
 247                         "\\u0080\\u0081\\u0082\\u0083\\u0084\\u0085\\u0086\\u0087" +
 248                         "\\u0088\\u0089\\u008a\\u008b\\u008c\\u008d\\u008e\\u008f" +
 249                         "\\u0090\\u0091\\u0092\\u0093\\u0094\\u0095\\u0096\\u0097" +
 250                         "\\u0098\\u0099\\u009a\\u009b\\u009c\\u009d\\u009e\\u009f" +
 251                         "\\u00a0\\u00a1\\u00a2\\u00a3\\u00a4\\u00a5\\u00a6\\u00a7" +
 252                         "\\u00a8\\u00a9\\u00aa\\u00ab\\u00ac\\u00ad\\u00ae\\u00af" +
 253                         "\\u00b0\\u00b1\\u00b2\\u00b3\\u00b4\\u00b5\\u00b6\\u00b7" +
 254                         "\\u00b8\\u00b9\\u00ba\\u00bb\\u00bc\\u00bd\\u00be\\u00bf" +
 255                         "\\u00c0\\u00c1\\u00c2\\u00c3\\u00c4\\u00c5\\u00c6\\u00c7" +
 256                         "\\u00c8\\u00c9\\u00ca\\u00cb\\u00cc\\u00cd\\u00ce\\u00cf" +
 257                         "\\u00d0\\u00d1\\u00d2\\u00d3\\u00d4\\u00d5\\u00d6\\u00d7" +
 258                         "\\u00d8\\u00d9\\u00da\\u00db\\u00dc\\u00dd\\u00de\\u00df" +
 259                         "\\u00e0\\u00e1\\u00e2\\u00e3\\u00e4\\u00e5\\u00e6\\u00e7" +
 260                         "\\u00e8\\u00e9\\u00ea\\u00eb\\u00ec\\u00ed\\u00ee\\u00ef" +
 261                         "\\u00f0\\u00f1\\u00f2\\u00f3\\u00f4\\u00f5\\u00f6\\u00f7" +
 262                         "\\u00f8\\u00f9\\u00fa\\u00fb\\u00fc\\u00fd\\u00fe\\u00ff" +
 263                         "\"");
 264
 265                 {
 266                         std::istringstream is(serializeString(teststring2), std::ios::binary);
 267                         assert(deSerializeString(is) == teststring2);
 268                         assert(!is.eof());
 269                         is.get();
 270                         assert(is.eof());
 271                 }
 272                 {
 273                         std::istringstream is(serializeWideString(teststring2_w), std::ios::binary);
 274                         assert(deSerializeWideString(is) == teststring2_w);
 275                         assert(!is.eof());
 276                         is.get();
 277                         assert(is.eof());
 278                 }
 279                 {
 280                         std::istringstream is(serializeLongString(teststring2), std::ios::binary);
 281                         assert(deSerializeLongString(is) == teststring2);
 282                         assert(!is.eof());
 283                         is.get();
 284                         assert(is.eof());
 285                 }
 286                 {
 287                         std::istringstream is(serializeJsonString(teststring2), std::ios::binary);
 288                         //dstream<<serializeJsonString(deSerializeJsonString(is));
 289                         assert(deSerializeJsonString(is) == teststring2);
 290                         assert(!is.eof());
 291                         is.get();
 292                         assert(is.eof());
 293                 }
 294         }
 295 };
 296
 297 struct TestCompress
 298 {
 299         void Run()
 300         {
 301                 { // ver 0
 302
 303                 SharedBuffer<u8> fromdata(4);
 304                 fromdata[0]=1;
 305                 fromdata[1]=5;
 306                 fromdata[2]=5;
 307                 fromdata[3]=1;
 308
 309                 std::ostringstream os(std::ios_base::binary);
 310                 compress(fromdata, os, 0);
 311
 312                 std::string str_out = os.str();
 313
 314                 infostream<<"str_out.size()="<<str_out.size()<<std::endl;
 315                 infostream<<"TestCompress: 1,5,5,1 -> ";
 316                 for(u32 i=0; i<str_out.size(); i++)
 317                 {
 318                         infostream<<(u32)str_out[i]<<",";
 319                 }
 320                 infostream<<std::endl;
 321
 322                 assert(str_out.size() == 10);
 323
 324                 assert(str_out[0] == 0);
 325                 assert(str_out[1] == 0);
 326                 assert(str_out[2] == 0);
 327                 assert(str_out[3] == 4);
 328                 assert(str_out[4] == 0);
 329                 assert(str_out[5] == 1);
 330                 assert(str_out[6] == 1);
 331                 assert(str_out[7] == 5);
 332                 assert(str_out[8] == 0);
 333                 assert(str_out[9] == 1);
 334
 335                 std::istringstream is(str_out, std::ios_base::binary);
 336                 std::ostringstream os2(std::ios_base::binary);
 337
 338                 decompress(is, os2, 0);
 339                 std::string str_out2 = os2.str();
 340
 341                 infostream<<"decompress: ";
 342                 for(u32 i=0; i<str_out2.size(); i++)
 343                 {
 344                         infostream<<(u32)str_out2[i]<<",";
 345                 }
 346                 infostream<<std::endl;
 347
 348                 assert(str_out2.size() == fromdata.getSize());
 349
 350                 for(u32 i=0; i<str_out2.size(); i++)
 351                 {
 352                         assert(str_out2[i] == fromdata[i]);
 353                 }
 354
 355                 }
 356
 357                 { // ver HIGHEST
 358
 359                 SharedBuffer<u8> fromdata(4);
 360                 fromdata[0]=1;
 361                 fromdata[1]=5;
 362                 fromdata[2]=5;
 363                 fromdata[3]=1;
 364
 365                 std::ostringstream os(std::ios_base::binary);
 366                 compress(fromdata, os, SER_FMT_VER_HIGHEST);
 367
 368                 std::string str_out = os.str();
 369
 370                 infostream<<"str_out.size()="<<str_out.size()<<std::endl;
 371                 infostream<<"TestCompress: 1,5,5,1 -> ";
 372                 for(u32 i=0; i<str_out.size(); i++)
 373                 {
 374                         infostream<<(u32)str_out[i]<<",";
 375                 }
 376                 infostream<<std::endl;
 377
 378                 /*assert(str_out.size() == 10);
 379
 380                 assert(str_out[0] == 0);
 381                 assert(str_out[1] == 0);
 382                 assert(str_out[2] == 0);
 383                 assert(str_out[3] == 4);
 384                 assert(str_out[4] == 0);
 385                 assert(str_out[5] == 1);
 386                 assert(str_out[6] == 1);
 387                 assert(str_out[7] == 5);
 388                 assert(str_out[8] == 0);
 389                 assert(str_out[9] == 1);*/
 390
 391                 std::istringstream is(str_out, std::ios_base::binary);
 392                 std::ostringstream os2(std::ios_base::binary);
 393
 394                 decompress(is, os2, SER_FMT_VER_HIGHEST);
 395                 std::string str_out2 = os2.str();
 396
 397                 infostream<<"decompress: ";
 398                 for(u32 i=0; i<str_out2.size(); i++)
 399                 {
 400                         infostream<<(u32)str_out2[i]<<",";
 401                 }
 402                 infostream<<std::endl;
 403
 404                 assert(str_out2.size() == fromdata.getSize());
 405
 406                 for(u32 i=0; i<str_out2.size(); i++)
 407                 {
 408                         assert(str_out2[i] == fromdata[i]);
 409                 }
 410
 411                 }
 412         }
 413 };
 414
 415 struct TestMapNode
 416 {
 417         void Run(INodeDefManager *nodedef)
 418         {
 419                 MapNode n;
 420
 421                 // Default values
 422                 assert(n.getContent() == CONTENT_AIR);
 423                 assert(n.getLight(LIGHTBANK_DAY, nodedef) == 0);
 424                 assert(n.getLight(LIGHTBANK_NIGHT, nodedef) == 0);
 425
 426                 // Transparency
 427                 n.setContent(CONTENT_AIR);
 428                 assert(nodedef->get(n).light_propagates == true);
 429                 n.setContent(LEGN(nodedef, "CONTENT_STONE"));
 430                 assert(nodedef->get(n).light_propagates == false);
 431         }
 432 };
 433
 434 struct TestVoxelManipulator
 435 {
 436         void Run(INodeDefManager *nodedef)
 437         {
 438                 /*
 439                         VoxelArea
 440                 */
 441
 442                 VoxelArea a(v3s16(-1,-1,-1), v3s16(1,1,1));
 443                 assert(a.index(0,0,0) == 1*3*3 + 1*3 + 1);
 444                 assert(a.index(-1,-1,-1) == 0);
 445
 446                 VoxelArea c(v3s16(-2,-2,-2), v3s16(2,2,2));
 447                 // An area that is 1 bigger in x+ and z-
 448                 VoxelArea d(v3s16(-2,-2,-3), v3s16(3,2,2));
 449
 450                 core::list<VoxelArea> aa;
 451                 d.diff(c, aa);
 452
 453                 // Correct results
 454                 core::array<VoxelArea> results;
 455                 results.push_back(VoxelArea(v3s16(-2,-2,-3),v3s16(3,2,-3)));
 456                 results.push_back(VoxelArea(v3s16(3,-2,-2),v3s16(3,2,2)));
 457
 458                 assert(aa.size() == results.size());
 459
 460                 infostream<<"Result of diff:"<<std::endl;
 461                 for(core::list<VoxelArea>::Iterator
 462                                 i = aa.begin(); i != aa.end(); i++)
 463                 {
 464                         i->print(infostream);
 465                         infostream<<std::endl;
 466
 467                         s32 j = results.linear_search(*i);
 468                         assert(j != -1);
 469                         results.erase(j, 1);
 470                 }
 471
 472
 473                 /*
 474                         VoxelManipulator
 475                 */
 476
 477                 VoxelManipulator v;
 478
 479                 v.print(infostream, nodedef);
 480
 481                 infostream<<"*** Setting (-1,0,-1)=2 ***"<<std::endl;
 482
 483                 v.setNodeNoRef(v3s16(-1,0,-1), MapNode(CONTENT_GRASS));
 484
 485                 v.print(infostream, nodedef);
 486
 487                 assert(v.getNode(v3s16(-1,0,-1)).getContent() == CONTENT_GRASS);
 488
 489                 infostream<<"*** Reading from inexistent (0,0,-1) ***"<<std::endl;
 490
 491                 EXCEPTION_CHECK(InvalidPositionException, v.getNode(v3s16(0,0,-1)));
 492
 493                 v.print(infostream, nodedef);
 494
 495                 infostream<<"*** Adding area ***"<<std::endl;
 496
 497                 v.addArea(a);
 498
 499                 v.print(infostream, nodedef);
 500
 501                 assert(v.getNode(v3s16(-1,0,-1)).getContent() == CONTENT_GRASS);
 502                 EXCEPTION_CHECK(InvalidPositionException, v.getNode(v3s16(0,1,1)));
 503         }
 504 };
 505
 506 struct TestVoxelAlgorithms
 507 {
 508         void Run(INodeDefManager *ndef)
 509         {
 510                 /*
 511                         voxalgo::propagateSunlight
 512                 */
 513                 {
 514                         VoxelManipulator v;
 515                         for(u16 z=0; z<3; z++)
 516                         for(u16 y=0; y<3; y++)
 517                         for(u16 x=0; x<3; x++)
 518                         {
 519                                 v3s16 p(x,y,z);
 520                                 v.setNodeNoRef(p, MapNode(CONTENT_AIR));
 521                         }
 522                         VoxelArea a(v3s16(0,0,0), v3s16(2,2,2));
 523                         {
 524                                 core::map<v3s16, bool> light_sources;
 525                                 voxalgo::setLight(v, a, 0, ndef);
 526                                 voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
 527                                                 v, a, true, light_sources, ndef);
 528                                 //v.print(dstream, ndef, VOXELPRINT_LIGHT_DAY);
 529                                 assert(res.bottom_sunlight_valid == true);
 530                                 assert(v.getNode(v3s16(1,1,1)).getLight(LIGHTBANK_DAY, ndef)
 531                                                 == LIGHT_SUN);
 532                         }
 533                         v.setNodeNoRef(v3s16(0,0,0), MapNode(CONTENT_STONE));
 534                         {
 535                                 core::map<v3s16, bool> light_sources;
 536                                 voxalgo::setLight(v, a, 0, ndef);
 537                                 voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
 538                                                 v, a, true, light_sources, ndef);
 539                                 assert(res.bottom_sunlight_valid == true);
 540                                 assert(v.getNode(v3s16(1,1,1)).getLight(LIGHTBANK_DAY, ndef)
 541                                                 == LIGHT_SUN);
 542                         }
 543                         {
 544                                 core::map<v3s16, bool> light_sources;
 545                                 voxalgo::setLight(v, a, 0, ndef);
 546                                 voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
 547                                                 v, a, false, light_sources, ndef);
 548                                 assert(res.bottom_sunlight_valid == true);
 549                                 assert(v.getNode(v3s16(2,0,2)).getLight(LIGHTBANK_DAY, ndef)
 550                                                 == 0);
 551                         }
 552                         v.setNodeNoRef(v3s16(1,3,2), MapNode(CONTENT_STONE));
 553                         {
 554                                 core::map<v3s16, bool> light_sources;
 555                                 voxalgo::setLight(v, a, 0, ndef);
 556                                 voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
 557                                                 v, a, true, light_sources, ndef);
 558                                 assert(res.bottom_sunlight_valid == true);
 559                                 assert(v.getNode(v3s16(1,1,2)).getLight(LIGHTBANK_DAY, ndef)
 560                                                 == 0);
 561                         }
 562                         {
 563                                 core::map<v3s16, bool> light_sources;
 564                                 voxalgo::setLight(v, a, 0, ndef);
 565                                 voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
 566                                                 v, a, false, light_sources, ndef);
 567                                 assert(res.bottom_sunlight_valid == true);
 568                                 assert(v.getNode(v3s16(1,0,2)).getLight(LIGHTBANK_DAY, ndef)
 569                                                 == 0);
 570                         }
 571                         {
 572                                 MapNode n(CONTENT_AIR);
 573                                 n.setLight(LIGHTBANK_DAY, 10, ndef);
 574                                 v.setNodeNoRef(v3s16(1,-1,2), n);
 575                         }
 576                         {
 577                                 core::map<v3s16, bool> light_sources;
 578                                 voxalgo::setLight(v, a, 0, ndef);
 579                                 voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
 580                                                 v, a, true, light_sources, ndef);
 581                                 assert(res.bottom_sunlight_valid == true);
 582                         }
 583                         {
 584                                 core::map<v3s16, bool> light_sources;
 585                                 voxalgo::setLight(v, a, 0, ndef);
 586                                 voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
 587                                                 v, a, false, light_sources, ndef);
 588                                 assert(res.bottom_sunlight_valid == true);
 589                         }
 590                         {
 591                                 MapNode n(CONTENT_AIR);
 592                                 n.setLight(LIGHTBANK_DAY, LIGHT_SUN, ndef);
 593                                 v.setNodeNoRef(v3s16(1,-1,2), n);
 594                         }
 595                         {
 596                                 core::map<v3s16, bool> light_sources;
 597                                 voxalgo::setLight(v, a, 0, ndef);
 598                                 voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
 599                                                 v, a, true, light_sources, ndef);
 600                                 assert(res.bottom_sunlight_valid == false);
 601                         }
 602                         {
 603                                 core::map<v3s16, bool> light_sources;
 604                                 voxalgo::setLight(v, a, 0, ndef);
 605                                 voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
 606                                                 v, a, false, light_sources, ndef);
 607                                 assert(res.bottom_sunlight_valid == false);
 608                         }
 609                         v.setNodeNoRef(v3s16(1,3,2), MapNode(CONTENT_IGNORE));
 610                         {
 611                                 core::map<v3s16, bool> light_sources;
 612                                 voxalgo::setLight(v, a, 0, ndef);
 613                                 voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
 614                                                 v, a, true, light_sources, ndef);
 615                                 assert(res.bottom_sunlight_valid == true);
 616                         }
 617                 }
 618                 /*
 619                         voxalgo::clearLightAndCollectSources
 620                 */
 621                 {
 622                         VoxelManipulator v;
 623                         for(u16 z=0; z<3; z++)
 624                         for(u16 y=0; y<3; y++)
 625                         for(u16 x=0; x<3; x++)
 626                         {
 627                                 v3s16 p(x,y,z);
 628                                 v.setNode(p, MapNode(CONTENT_AIR));
 629                         }
 630                         VoxelArea a(v3s16(0,0,0), v3s16(2,2,2));
 631                         v.setNodeNoRef(v3s16(0,0,0), MapNode(CONTENT_STONE));
 632                         v.setNodeNoRef(v3s16(1,1,1), MapNode(CONTENT_TORCH));
 633                         {
 634                                 MapNode n(CONTENT_AIR);
 635                                 n.setLight(LIGHTBANK_DAY, 1, ndef);
 636                                 v.setNode(v3s16(1,1,2), n);
 637                         }
 638                         {
 639                                 core::map<v3s16, bool> light_sources;
 640                                 core::map<v3s16, u8> unlight_from;
 641                                 voxalgo::clearLightAndCollectSources(v, a, LIGHTBANK_DAY,
 642                                                 ndef, light_sources, unlight_from);
 643                                 //v.print(dstream, ndef, VOXELPRINT_LIGHT_DAY);
 644                                 assert(v.getNode(v3s16(0,1,1)).getLight(LIGHTBANK_DAY, ndef)
 645                                                 == 0);
 646                                 assert(light_sources.find(v3s16(1,1,1)) != NULL);
 647                                 assert(light_sources.size() == 1);
 648                                 assert(unlight_from.find(v3s16(1,1,2)) != NULL);
 649                                 assert(unlight_from.size() == 1);
 650                         }
 651                 }
 652         }
 653 };
 654
 655 struct TestInventory
 656 {
 657         void Run(IItemDefManager *idef)
 658         {
 659                 std::string serialized_inventory =
 660                 "List 0 32\n"
 661                 "Empty\n"
 662                 "Empty\n"
 663                 "Empty\n"
 664                 "Empty\n"
 665                 "Empty\n"
 666                 "Empty\n"
 667                 "Empty\n"
 668                 "Empty\n"
 669                 "Empty\n"
 670                 "Item default:cobble 61\n"
 671                 "Empty\n"
 672                 "Empty\n"
 673                 "Empty\n"
 674                 "Empty\n"
 675                 "Empty\n"
 676                 "Empty\n"
 677                 "Item default:dirt 71\n"
 678                 "Empty\n"
 679                 "Empty\n"
 680                 "Empty\n"
 681                 "Empty\n"
 682                 "Empty\n"
 683                 "Empty\n"
 684                 "Empty\n"
 685                 "Item default:dirt 99\n"
 686                 "Item default:cobble 38\n"
 687                 "Empty\n"
 688                 "Empty\n"
 689                 "Empty\n"
 690                 "Empty\n"
 691                 "Empty\n"
 692                 "Empty\n"
 693                 "EndInventoryList\n"
 694                 "EndInventory\n";
 695
 696                 std::string serialized_inventory_2 =
 697                 "List main 32\n"
 698                 "Empty\n"
 699                 "Empty\n"
 700                 "Empty\n"
 701                 "Empty\n"
 702                 "Empty\n"
 703                 "Empty\n"
 704                 "Empty\n"
 705                 "Empty\n"
 706                 "Empty\n"
 707                 "Item default:cobble 61\n"
 708                 "Empty\n"
 709                 "Empty\n"
 710                 "Empty\n"
 711                 "Empty\n"
 712                 "Empty\n"
 713                 "Empty\n"
 714                 "Item default:dirt 71\n"
 715                 "Empty\n"
 716                 "Empty\n"
 717                 "Empty\n"
 718                 "Empty\n"
 719                 "Empty\n"
 720                 "Empty\n"
 721                 "Empty\n"
 722                 "Item default:dirt 99\n"
 723                 "Item default:cobble 38\n"
 724                 "Empty\n"
 725                 "Empty\n"
 726                 "Empty\n"
 727                 "Empty\n"
 728                 "Empty\n"
 729                 "Empty\n"
 730                 "EndInventoryList\n"
 731                 "EndInventory\n";
 732
 733                 Inventory inv(idef);
 734                 std::istringstream is(serialized_inventory, std::ios::binary);
 735                 inv.deSerialize(is);
 736                 assert(inv.getList("0"));
 737                 assert(!inv.getList("main"));
 738                 inv.getList("0")->setName("main");
 739                 assert(!inv.getList("0"));
 740                 assert(inv.getList("main"));
 741                 std::ostringstream inv_os(std::ios::binary);
 742                 inv.serialize(inv_os);
 743                 assert(inv_os.str() == serialized_inventory_2);
 744         }
 745 };
 746
 747 /*
 748         NOTE: These tests became non-working then NodeContainer was removed.
 749               These should be redone, utilizing some kind of a virtual
 750                   interface for Map (IMap would be fine).
 751 */
 752 #if 0
 753 struct TestMapBlock
 754 {
 755         class TC : public NodeContainer
 756         {
 757         public:
 758
 759                 MapNode node;
 760                 bool position_valid;
 761                 core::list<v3s16> validity_exceptions;
 762
 763                 TC()
 764                 {
 765                         position_valid = true;
 766                 }
 767
 768                 virtual bool isValidPosition(v3s16 p)
 769                 {
 770                         //return position_valid ^ (p==position_valid_exception);
 771                         bool exception = false;
 772                         for(core::list<v3s16>::Iterator i=validity_exceptions.begin();
 773                                         i != validity_exceptions.end(); i++)
 774                         {
 775                                 if(p == *i)
 776                                 {
 777                                         exception = true;
 778                                         break;
 779                                 }
 780                         }
 781                         return exception ? !position_valid : position_valid;
 782                 }
 783
 784                 virtual MapNode getNode(v3s16 p)
 785                 {
 786                         if(isValidPosition(p) == false)
 787                                 throw InvalidPositionException();
 788                         return node;
 789                 }
 790
 791                 virtual void setNode(v3s16 p, MapNode & n)
 792                 {
 793                         if(isValidPosition(p) == false)
 794                                 throw InvalidPositionException();
 795                 };
 796
 797                 virtual u16 nodeContainerId() const
 798                 {
 799                         return 666;
 800                 }
 801         };
 802
 803         void Run()
 804         {
 805                 TC parent;
 806
 807                 MapBlock b(&parent, v3s16(1,1,1));
 808                 v3s16 relpos(MAP_BLOCKSIZE, MAP_BLOCKSIZE, MAP_BLOCKSIZE);
 809
 810                 assert(b.getPosRelative() == relpos);
 811
 812                 assert(b.getBox().MinEdge.X == MAP_BLOCKSIZE);
 813                 assert(b.getBox().MaxEdge.X == MAP_BLOCKSIZE*2-1);
 814                 assert(b.getBox().MinEdge.Y == MAP_BLOCKSIZE);
 815                 assert(b.getBox().MaxEdge.Y == MAP_BLOCKSIZE*2-1);
 816                 assert(b.getBox().MinEdge.Z == MAP_BLOCKSIZE);
 817                 assert(b.getBox().MaxEdge.Z == MAP_BLOCKSIZE*2-1);
 818
 819                 assert(b.isValidPosition(v3s16(0,0,0)) == true);
 820                 assert(b.isValidPosition(v3s16(-1,0,0)) == false);
 821                 assert(b.isValidPosition(v3s16(-1,-142,-2341)) == false);
 822                 assert(b.isValidPosition(v3s16(-124,142,2341)) == false);
 823                 assert(b.isValidPosition(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1)) == true);
 824                 assert(b.isValidPosition(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE,MAP_BLOCKSIZE-1)) == false);
 825
 826                 /*
 827                         TODO: this method should probably be removed
 828                         if the block size isn't going to be set variable
 829                 */
 830                 /*assert(b.getSizeNodes() == v3s16(MAP_BLOCKSIZE,
 831                                 MAP_BLOCKSIZE, MAP_BLOCKSIZE));*/
 832
 833                 // Changed flag should be initially set
 834                 assert(b.getModified() == MOD_STATE_WRITE_NEEDED);
 835                 b.resetModified();
 836                 assert(b.getModified() == MOD_STATE_CLEAN);
 837
 838                 // All nodes should have been set to
 839                 // .d=CONTENT_IGNORE and .getLight() = 0
 840                 for(u16 z=0; z<MAP_BLOCKSIZE; z++)
 841                 for(u16 y=0; y<MAP_BLOCKSIZE; y++)
 842                 for(u16 x=0; x<MAP_BLOCKSIZE; x++)
 843                 {
 844                         //assert(b.getNode(v3s16(x,y,z)).getContent() == CONTENT_AIR);
 845                         assert(b.getNode(v3s16(x,y,z)).getContent() == CONTENT_IGNORE);
 846                         assert(b.getNode(v3s16(x,y,z)).getLight(LIGHTBANK_DAY) == 0);
 847                         assert(b.getNode(v3s16(x,y,z)).getLight(LIGHTBANK_NIGHT) == 0);
 848                 }
 849
 850                 {
 851                         MapNode n(CONTENT_AIR);
 852                         for(u16 z=0; z<MAP_BLOCKSIZE; z++)
 853                         for(u16 y=0; y<MAP_BLOCKSIZE; y++)
 854                         for(u16 x=0; x<MAP_BLOCKSIZE; x++)
 855                         {
 856                                 b.setNode(v3s16(x,y,z), n);
 857                         }
 858                 }
 859
 860                 /*
 861                         Parent fetch functions
 862                 */
 863                 parent.position_valid = false;
 864                 parent.node.setContent(5);
 865
 866                 MapNode n;
 867
 868                 // Positions in the block should still be valid
 869                 assert(b.isValidPositionParent(v3s16(0,0,0)) == true);
 870                 assert(b.isValidPositionParent(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1)) == true);
 871                 n = b.getNodeParent(v3s16(0,MAP_BLOCKSIZE-1,0));
 872                 assert(n.getContent() == CONTENT_AIR);
 873
 874                 // ...but outside the block they should be invalid
 875                 assert(b.isValidPositionParent(v3s16(-121,2341,0)) == false);
 876                 assert(b.isValidPositionParent(v3s16(-1,0,0)) == false);
 877                 assert(b.isValidPositionParent(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE)) == false);
 878
 879                 {
 880                         bool exception_thrown = false;
 881                         try{
 882                                 // This should throw an exception
 883                                 MapNode n = b.getNodeParent(v3s16(0,0,-1));
 884                         }
 885                         catch(InvalidPositionException &e)
 886                         {
 887                                 exception_thrown = true;
 888                         }
 889                         assert(exception_thrown);
 890                 }
 891
 892                 parent.position_valid = true;
 893                 // Now the positions outside should be valid
 894                 assert(b.isValidPositionParent(v3s16(-121,2341,0)) == true);
 895                 assert(b.isValidPositionParent(v3s16(-1,0,0)) == true);
 896                 assert(b.isValidPositionParent(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE)) == true);
 897                 n = b.getNodeParent(v3s16(0,0,MAP_BLOCKSIZE));
 898                 assert(n.getContent() == 5);
 899
 900                 /*
 901                         Set a node
 902                 */
 903                 v3s16 p(1,2,0);
 904                 n.setContent(4);
 905                 b.setNode(p, n);
 906                 assert(b.getNode(p).getContent() == 4);
 907                 //TODO: Update to new system
 908                 /*assert(b.getNodeTile(p) == 4);
 909                 assert(b.getNodeTile(v3s16(-1,-1,0)) == 5);*/
 910
 911                 /*
 912                         propagateSunlight()
 913                 */
 914                 // Set lighting of all nodes to 0
 915                 for(u16 z=0; z<MAP_BLOCKSIZE; z++){
 916                         for(u16 y=0; y<MAP_BLOCKSIZE; y++){
 917                                 for(u16 x=0; x<MAP_BLOCKSIZE; x++){
 918                                         MapNode n = b.getNode(v3s16(x,y,z));
 919                                         n.setLight(LIGHTBANK_DAY, 0);
 920                                         n.setLight(LIGHTBANK_NIGHT, 0);
 921                                         b.setNode(v3s16(x,y,z), n);
 922                                 }
 923                         }
 924                 }
 925                 {
 926                         /*
 927                                 Check how the block handles being a lonely sky block
 928                         */
 929                         parent.position_valid = true;
 930                         b.setIsUnderground(false);
 931                         parent.node.setContent(CONTENT_AIR);
 932                         parent.node.setLight(LIGHTBANK_DAY, LIGHT_SUN);
 933                         parent.node.setLight(LIGHTBANK_NIGHT, 0);
 934                         core::map<v3s16, bool> light_sources;
 935                         // The bottom block is invalid, because we have a shadowing node
 936                         assert(b.propagateSunlight(light_sources) == false);
 937                         assert(b.getNode(v3s16(1,4,0)).getLight(LIGHTBANK_DAY) == LIGHT_SUN);
 938                         assert(b.getNode(v3s16(1,3,0)).getLight(LIGHTBANK_DAY) == LIGHT_SUN);
 939                         assert(b.getNode(v3s16(1,2,0)).getLight(LIGHTBANK_DAY) == 0);
 940                         assert(b.getNode(v3s16(1,1,0)).getLight(LIGHTBANK_DAY) == 0);
 941                         assert(b.getNode(v3s16(1,0,0)).getLight(LIGHTBANK_DAY) == 0);
 942                         assert(b.getNode(v3s16(1,2,3)).getLight(LIGHTBANK_DAY) == LIGHT_SUN);
 943                         assert(b.getFaceLight2(1000, p, v3s16(0,1,0)) == LIGHT_SUN);
 944                         assert(b.getFaceLight2(1000, p, v3s16(0,-1,0)) == 0);
 945                         assert(b.getFaceLight2(0, p, v3s16(0,-1,0)) == 0);
 946                         // According to MapBlock::getFaceLight,
 947                         // The face on the z+ side should have double-diminished light
 948                         //assert(b.getFaceLight(p, v3s16(0,0,1)) == diminish_light(diminish_light(LIGHT_MAX)));
 949                         // The face on the z+ side should have diminished light
 950                         assert(b.getFaceLight2(1000, p, v3s16(0,0,1)) == diminish_light(LIGHT_MAX));
 951                 }
 952                 /*
 953                         Check how the block handles being in between blocks with some non-sunlight
 954                         while being underground
 955                 */
 956                 {
 957                         // Make neighbours to exist and set some non-sunlight to them
 958                         parent.position_valid = true;
 959                         b.setIsUnderground(true);
 960                         parent.node.setLight(LIGHTBANK_DAY, LIGHT_MAX/2);
 961                         core::map<v3s16, bool> light_sources;
 962                         // The block below should be valid because there shouldn't be
 963                         // sunlight in there either
 964                         assert(b.propagateSunlight(light_sources, true) == true);
 965                         // Should not touch nodes that are not affected (that is, all of them)
 966                         //assert(b.getNode(v3s16(1,2,3)).getLight() == LIGHT_SUN);
 967                         // Should set light of non-sunlighted blocks to 0.
 968                         assert(b.getNode(v3s16(1,2,3)).getLight(LIGHTBANK_DAY) == 0);
 969                 }
 970                 /*
 971                         Set up a situation where:
 972                         - There is only air in this block
 973                         - There is a valid non-sunlighted block at the bottom, and
 974                         - Invalid blocks elsewhere.
 975                         - the block is not underground.
 976
 977                         This should result in bottom block invalidity
 978                 */
 979                 {
 980                         b.setIsUnderground(false);
 981                         // Clear block
 982                         for(u16 z=0; z<MAP_BLOCKSIZE; z++){
 983                                 for(u16 y=0; y<MAP_BLOCKSIZE; y++){
 984                                         for(u16 x=0; x<MAP_BLOCKSIZE; x++){
 985                                                 MapNode n;
 986                                                 n.setContent(CONTENT_AIR);
 987                                                 n.setLight(LIGHTBANK_DAY, 0);
 988                                                 b.setNode(v3s16(x,y,z), n);
 989                                         }
 990                                 }
 991                         }
 992                         // Make neighbours invalid
 993                         parent.position_valid = false;
 994                         // Add exceptions to the top of the bottom block
 995                         for(u16 x=0; x<MAP_BLOCKSIZE; x++)
 996                         for(u16 z=0; z<MAP_BLOCKSIZE; z++)
 997                         {
 998                                 parent.validity_exceptions.push_back(v3s16(MAP_BLOCKSIZE+x, MAP_BLOCKSIZE-1, MAP_BLOCKSIZE+z));
 999                         }
1000                         // Lighting value for the valid nodes
1001                         parent.node.setLight(LIGHTBANK_DAY, LIGHT_MAX/2);
1002                         core::map<v3s16, bool> light_sources;
1003                         // Bottom block is not valid
1004                         assert(b.propagateSunlight(light_sources) == false);
1005                 }
1006         }
1007 };
1008
1009 struct TestMapSector
1010 {
1011         class TC : public NodeContainer
1012         {
1013         public:
1014
1015                 MapNode node;
1016                 bool position_valid;
1017
1018                 TC()
1019                 {
1020                         position_valid = true;
1021                 }
1022
1023                 virtual bool isValidPosition(v3s16 p)
1024                 {
1025                         return position_valid;
1026                 }
1027
1028                 virtual MapNode getNode(v3s16 p)
1029                 {
1030                         if(position_valid == false)
1031                                 throw InvalidPositionException();
1032                         return node;
1033                 }
1034
1035                 virtual void setNode(v3s16 p, MapNode & n)
1036                 {
1037                         if(position_valid == false)
1038                                 throw InvalidPositionException();
1039                 };
1040
1041                 virtual u16 nodeContainerId() const
1042                 {
1043                         return 666;
1044                 }
1045         };
1046
1047         void Run()
1048         {
1049                 TC parent;
1050                 parent.position_valid = false;
1051
1052                 // Create one with no heightmaps
1053                 ServerMapSector sector(&parent, v2s16(1,1));
1054
1055                 assert(sector.getBlockNoCreateNoEx(0) == 0);
1056                 assert(sector.getBlockNoCreateNoEx(1) == 0);
1057
1058                 MapBlock * bref = sector.createBlankBlock(-2);
1059
1060                 assert(sector.getBlockNoCreateNoEx(0) == 0);
1061                 assert(sector.getBlockNoCreateNoEx(-2) == bref);
1062
1063                 //TODO: Check for AlreadyExistsException
1064
1065                 /*bool exception_thrown = false;
1066                 try{
1067                         sector.getBlock(0);
1068                 }
1069                 catch(InvalidPositionException &e){
1070                         exception_thrown = true;
1071                 }
1072                 assert(exception_thrown);*/
1073
1074         }
1075 };
1076 #endif
1077
1078 struct TestSocket
1079 {
1080         void Run()
1081         {
1082                 const int port = 30003;
1083                 UDPSocket socket;
1084                 socket.Bind(port);
1085
1086                 const char sendbuffer[] = "hello world!";
1087                 socket.Send(Address(127,0,0,1,port), sendbuffer, sizeof(sendbuffer));
1088
1089                 sleep_ms(50);
1090
1091                 char rcvbuffer[256];
1092                 memset(rcvbuffer, 0, sizeof(rcvbuffer));
1093                 Address sender;
1094                 for(;;)
1095                 {
1096                         int bytes_read = socket.Receive(sender, rcvbuffer, sizeof(rcvbuffer));
1097                         if(bytes_read < 0)
1098                                 break;
1099                 }
1100                 //FIXME: This fails on some systems
1101                 assert(strncmp(sendbuffer, rcvbuffer, sizeof(sendbuffer))==0);
1102                 assert(sender.getAddress() == Address(127,0,0,1, 0).getAddress());
1103         }
1104 };
1105
1106 struct TestConnection
1107 {
1108         void TestHelpers()
1109         {
1110                 /*
1111                         Test helper functions
1112                 */
1113
1114                 // Some constants for testing
1115                 u32 proto_id = 0x12345678;
1116                 u16 peer_id = 123;
1117                 u8 channel = 2;
1118                 SharedBuffer<u8> data1(1);
1119                 data1[0] = 100;
1120                 Address a(127,0,0,1, 10);
1121                 u16 seqnum = 34352;
1122
1123                 con::BufferedPacket p1 = con::makePacket(a, data1,
1124                                 proto_id, peer_id, channel);
1125                 /*
1126                         We should now have a packet with this data:
1127                         Header:
1128                                 [0] u32 protocol_id
1129                                 [4] u16 sender_peer_id
1130                                 [6] u8 channel
1131                         Data:
1132                                 [7] u8 data1[0]
1133                 */
1134                 assert(readU32(&p1.data[0]) == proto_id);
1135                 assert(readU16(&p1.data[4]) == peer_id);
1136                 assert(readU8(&p1.data[6]) == channel);
1137                 assert(readU8(&p1.data[7]) == data1[0]);
1138
1139                 //infostream<<"initial data1[0]="<<((u32)data1[0]&0xff)<<std::endl;
1140
1141                 SharedBuffer<u8> p2 = con::makeReliablePacket(data1, seqnum);
1142
1143                 /*infostream<<"p2.getSize()="<<p2.getSize()<<", data1.getSize()="
1144                                 <<data1.getSize()<<std::endl;
1145                 infostream<<"readU8(&p2[3])="<<readU8(&p2[3])
1146                                 <<" p2[3]="<<((u32)p2[3]&0xff)<<std::endl;
1147                 infostream<<"data1[0]="<<((u32)data1[0]&0xff)<<std::endl;*/
1148
1149                 assert(p2.getSize() == 3 + data1.getSize());
1150                 assert(readU8(&p2[0]) == TYPE_RELIABLE);
1151                 assert(readU16(&p2[1]) == seqnum);
1152                 assert(readU8(&p2[3]) == data1[0]);
1153         }
1154
1155         struct Handler : public con::PeerHandler
1156         {
1157                 Handler(const char *a_name)
1158                 {
1159                         count = 0;
1160                         last_id = 0;
1161                         name = a_name;
1162                 }
1163                 void peerAdded(con::Peer *peer)
1164                 {
1165                         infostream<<"Handler("<<name<<")::peerAdded(): "
1166                                         "id="<<peer->id<<std::endl;
1167                         last_id = peer->id;
1168                         count++;
1169                 }
1170                 void deletingPeer(con::Peer *peer, bool timeout)
1171                 {
1172                         infostream<<"Handler("<<name<<")::deletingPeer(): "
1173                                         "id="<<peer->id
1174                                         <<", timeout="<<timeout<<std::endl;
1175                         last_id = peer->id;
1176                         count--;
1177                 }
1178
1179                 s32 count;
1180                 u16 last_id;
1181                 const char *name;
1182         };
1183
1184         void Run()
1185         {
1186                 DSTACK("TestConnection::Run");
1187
1188                 TestHelpers();
1189
1190                 /*
1191                         Test some real connections
1192
1193                         NOTE: This mostly tests the legacy interface.
1194                 */
1195
1196                 u32 proto_id = 0xad26846a;
1197
1198                 Handler hand_server("server");
1199                 Handler hand_client("client");
1200
1201                 infostream<<"** Creating server Connection"<<std::endl;
1202                 con::Connection server(proto_id, 512, 5.0, &hand_server);
1203                 server.Serve(30001);
1204
1205                 infostream<<"** Creating client Connection"<<std::endl;
1206                 con::Connection client(proto_id, 512, 5.0, &hand_client);
1207
1208                 assert(hand_server.count == 0);
1209                 assert(hand_client.count == 0);
1210
1211                 sleep_ms(50);
1212
1213                 Address server_address(127,0,0,1, 30001);
1214                 infostream<<"** running client.Connect()"<<std::endl;
1215                 client.Connect(server_address);
1216
1217                 sleep_ms(50);
1218
1219                 // Client should not have added client yet
1220                 assert(hand_client.count == 0);
1221
1222                 try
1223                 {
1224                         u16 peer_id;
1225                         SharedBuffer<u8> data;
1226                         infostream<<"** running client.Receive()"<<std::endl;
1227                         u32 size = client.Receive(peer_id, data);
1228                         infostream<<"** Client received: peer_id="<<peer_id
1229                                         <<", size="<<size
1230                                         <<std::endl;
1231                 }
1232                 catch(con::NoIncomingDataException &e)
1233                 {
1234                 }
1235
1236                 // Client should have added server now
1237                 assert(hand_client.count == 1);
1238                 assert(hand_client.last_id == 1);
1239                 // Server should not have added client yet
1240                 assert(hand_server.count == 0);
1241
1242                 sleep_ms(50);
1243
1244                 try
1245                 {
1246                         u16 peer_id;
1247                         SharedBuffer<u8> data;
1248                         infostream<<"** running server.Receive()"<<std::endl;
1249                         u32 size = server.Receive(peer_id, data);
1250                         infostream<<"** Server received: peer_id="<<peer_id
1251                                         <<", size="<<size
1252                                         <<std::endl;
1253                 }
1254                 catch(con::NoIncomingDataException &e)
1255                 {
1256                         // No actual data received, but the client has
1257                         // probably been connected
1258                 }
1259
1260                 // Client should be the same
1261                 assert(hand_client.count == 1);
1262                 assert(hand_client.last_id == 1);
1263                 // Server should have the client
1264                 assert(hand_server.count == 1);
1265                 assert(hand_server.last_id == 2);
1266
1267                 //sleep_ms(50);
1268
1269                 while(client.Connected() == false)
1270                 {
1271                         try
1272                         {
1273                                 u16 peer_id;
1274                                 SharedBuffer<u8> data;
1275                                 infostream<<"** running client.Receive()"<<std::endl;
1276                                 u32 size = client.Receive(peer_id, data);
1277                                 infostream<<"** Client received: peer_id="<<peer_id
1278                                                 <<", size="<<size
1279                                                 <<std::endl;
1280                         }
1281                         catch(con::NoIncomingDataException &e)
1282                         {
1283                         }
1284                         sleep_ms(50);
1285                 }
1286
1287                 sleep_ms(50);
1288
1289                 try
1290                 {
1291                         u16 peer_id;
1292                         SharedBuffer<u8> data;
1293                         infostream<<"** running server.Receive()"<<std::endl;
1294                         u32 size = server.Receive(peer_id, data);
1295                         infostream<<"** Server received: peer_id="<<peer_id
1296                                         <<", size="<<size
1297                                         <<std::endl;
1298                 }
1299                 catch(con::NoIncomingDataException &e)
1300                 {
1301                 }
1302 #if 1
1303                 /*
1304                         Simple send-receive test
1305                 */
1306                 {
1307                         /*u8 data[] = "Hello World!";
1308                         u32 datasize = sizeof(data);*/
1309                         SharedBuffer<u8> data = SharedBufferFromString("Hello World!");
1310
1311                         infostream<<"** running client.Send()"<<std::endl;
1312                         client.Send(PEER_ID_SERVER, 0, data, true);
1313
1314                         sleep_ms(50);
1315
1316                         u16 peer_id;
1317                         SharedBuffer<u8> recvdata;
1318                         infostream<<"** running server.Receive()"<<std::endl;
1319                         u32 size = server.Receive(peer_id, recvdata);
1320                         infostream<<"** Server received: peer_id="<<peer_id
1321                                         <<", size="<<size
1322                                         <<", data="<<*data
1323                                         <<std::endl;
1324                         assert(memcmp(*data, *recvdata, data.getSize()) == 0);
1325                 }
1326 #endif
1327                 u16 peer_id_client = 2;
1328 #if 0
1329                 /*
1330                         Send consequent packets in different order
1331                         Not compatible with new Connection, thus commented out.
1332                 */
1333                 {
1334                         //u8 data1[] = "hello1";
1335                         //u8 data2[] = "hello2";
1336                         SharedBuffer<u8> data1 = SharedBufferFromString("hello1");
1337                         SharedBuffer<u8> data2 = SharedBufferFromString("Hello2");
1338
1339                         Address client_address =
1340                                         server.GetPeerAddress(peer_id_client);
1341
1342                         infostream<<"*** Sending packets in wrong order (2,1,2)"
1343                                         <<std::endl;
1344
1345                         u8 chn = 0;
1346                         con::Channel *ch = &server.getPeer(peer_id_client)->channels[chn];
1347                         u16 sn = ch->next_outgoing_seqnum;
1348                         ch->next_outgoing_seqnum = sn+1;
1349                         server.Send(peer_id_client, chn, data2, true);
1350                         ch->next_outgoing_seqnum = sn;
1351                         server.Send(peer_id_client, chn, data1, true);
1352                         ch->next_outgoing_seqnum = sn+1;
1353                         server.Send(peer_id_client, chn, data2, true);
1354
1355                         sleep_ms(50);
1356
1357                         infostream<<"*** Receiving the packets"<<std::endl;
1358
1359                         u16 peer_id;
1360                         SharedBuffer<u8> recvdata;
1361                         u32 size;
1362
1363                         infostream<<"** running client.Receive()"<<std::endl;
1364                         peer_id = 132;
1365                         size = client.Receive(peer_id, recvdata);
1366                         infostream<<"** Client received: peer_id="<<peer_id
1367                                         <<", size="<<size
1368                                         <<", data="<<*recvdata
1369                                         <<std::endl;
1370                         assert(size == data1.getSize());
1371                         assert(memcmp(*data1, *recvdata, data1.getSize()) == 0);
1372                         assert(peer_id == PEER_ID_SERVER);
1373
1374                         infostream<<"** running client.Receive()"<<std::endl;
1375                         peer_id = 132;
1376                         size = client.Receive(peer_id, recvdata);
1377                         infostream<<"** Client received: peer_id="<<peer_id
1378                                         <<", size="<<size
1379                                         <<", data="<<*recvdata
1380                                         <<std::endl;
1381                         assert(size == data2.getSize());
1382                         assert(memcmp(*data2, *recvdata, data2.getSize()) == 0);
1383                         assert(peer_id == PEER_ID_SERVER);
1384
1385                         bool got_exception = false;
1386                         try
1387                         {
1388                                 infostream<<"** running client.Receive()"<<std::endl;
1389                                 peer_id = 132;
1390                                 size = client.Receive(peer_id, recvdata);
1391                                 infostream<<"** Client received: peer_id="<<peer_id
1392                                                 <<", size="<<size
1393                                                 <<", data="<<*recvdata
1394                                                 <<std::endl;
1395                         }
1396                         catch(con::NoIncomingDataException &e)
1397                         {
1398                                 infostream<<"** No incoming data for client"<<std::endl;
1399                                 got_exception = true;
1400                         }
1401                         assert(got_exception);
1402                 }
1403 #endif
1404 #if 0
1405                 /*
1406                         Send large amounts of packets (infinite test)
1407                         Commented out because of infinity.
1408                 */
1409                 {
1410                         infostream<<"Sending large amounts of packets (infinite test)"<<std::endl;
1411                         int sendcount = 0;
1412                         for(;;){
1413                                 int datasize = myrand_range(0,5)==0?myrand_range(100,10000):myrand_range(0,100);
1414                                 infostream<<"datasize="<<datasize<<std::endl;
1415                                 SharedBuffer<u8> data1(datasize);
1416                                 for(u16 i=0; i<datasize; i++)
1417                                         data1[i] = i/4;
1418
1419                                 int sendtimes = myrand_range(1,10);
1420                                 for(int i=0; i<sendtimes; i++){
1421                                         server.Send(peer_id_client, 0, data1, true);
1422                                         sendcount++;
1423                                 }
1424                                 infostream<<"sendcount="<<sendcount<<std::endl;
1425
1426                                 //int receivetimes = myrand_range(1,20);
1427                                 int receivetimes = 20;
1428                                 for(int i=0; i<receivetimes; i++){
1429                                         SharedBuffer<u8> recvdata;
1430                                         u16 peer_id = 132;
1431                                         u16 size = 0;
1432                                         bool received = false;
1433                                         try{
1434                                                 size = client.Receive(peer_id, recvdata);
1435                                                 received = true;
1436                                         }catch(con::NoIncomingDataException &e){
1437                                         }
1438                                 }
1439                         }
1440                 }
1441 #endif
1442                 /*
1443                         Send a large packet
1444                 */
1445                 {
1446                         const int datasize = 30000;
1447                         SharedBuffer<u8> data1(datasize);
1448                         for(u16 i=0; i<datasize; i++){
1449                                 data1[i] = i/4;
1450                         }
1451
1452                         infostream<<"Sending data (size="<<datasize<<"):";
1453                         for(int i=0; i<datasize && i<20; i++){
1454                                 if(i%2==0) infostream<<" ";
1455                                 char buf[10];
1456                                 snprintf(buf, 10, "%.2X", ((int)((const char*)*data1)[i])&0xff);
1457                                 infostream<<buf;
1458                         }
1459                         if(datasize>20)
1460                                 infostream<<"...";
1461                         infostream<<std::endl;
1462
1463                         server.Send(peer_id_client, 0, data1, true);
1464
1465                         //sleep_ms(3000);
1466
1467                         SharedBuffer<u8> recvdata;
1468                         infostream<<"** running client.Receive()"<<std::endl;
1469                         u16 peer_id = 132;
1470                         u16 size = 0;
1471                         bool received = false;
1472                         u32 timems0 = porting::getTimeMs();
1473                         for(;;){
1474                                 if(porting::getTimeMs() - timems0 > 5000 || received)
1475                                         break;
1476                                 try{
1477                                         size = client.Receive(peer_id, recvdata);
1478                                         received = true;
1479                                 }catch(con::NoIncomingDataException &e){
1480                                 }
1481                                 sleep_ms(10);
1482                         }
1483                         assert(received);
1484                         infostream<<"** Client received: peer_id="<<peer_id
1485                                         <<", size="<<size
1486                                         <<std::endl;
1487
1488                         infostream<<"Received data (size="<<size<<"): ";
1489                         for(int i=0; i<size && i<20; i++){
1490                                 if(i%2==0) infostream<<" ";
1491                                 char buf[10];
1492                                 snprintf(buf, 10, "%.2X", ((int)(recvdata[i]))&0xff);
1493                                 infostream<<buf;
1494                         }
1495                         if(size>20)
1496                                 infostream<<"...";
1497                         infostream<<std::endl;
1498
1499                         assert(memcmp(*data1, *recvdata, data1.getSize()) == 0);
1500                         assert(peer_id == PEER_ID_SERVER);
1501                 }
1502
1503                 // Check peer handlers
1504                 assert(hand_client.count == 1);
1505                 assert(hand_client.last_id == 1);
1506                 assert(hand_server.count == 1);
1507                 assert(hand_server.last_id == 2);
1508
1509                 //assert(0);
1510         }
1511 };
1512
1513 #define TEST(X)\
1514 {\
1515         X x;\
1516         infostream<<"Running " #X <<std::endl;\
1517         x.Run();\
1518 }
1519
1520 #define TESTPARAMS(X, ...)\
1521 {\
1522         X x;\
1523         infostream<<"Running " #X <<std::endl;\
1524         x.Run(__VA_ARGS__);\
1525 }
1526
1527 void run_tests()
1528 {
1529         DSTACK(__FUNCTION_NAME);
1530
1531         // Create item and node definitions
1532         IWritableItemDefManager *idef = createItemDefManager();
1533         IWritableNodeDefManager *ndef = createNodeDefManager();
1534         define_some_nodes(idef, ndef);
1535
1536         infostream<<"run_tests() started"<<std::endl;
1537         TEST(TestUtilities);
1538         TEST(TestSettings);
1539         TEST(TestCompress);
1540         TEST(TestSerialization);
1541         TESTPARAMS(TestMapNode, ndef);
1542         TESTPARAMS(TestVoxelManipulator, ndef);
1543         TESTPARAMS(TestVoxelAlgorithms, ndef);
1544         TESTPARAMS(TestInventory, idef);
1545         //TEST(TestMapBlock);
1546         //TEST(TestMapSector);
1547         if(INTERNET_SIMULATOR == false){
1548                 TEST(TestSocket);
1549                 dout_con<<"=== BEGIN RUNNING UNIT TESTS FOR CONNECTION ==="<<std::endl;
1550                 TEST(TestConnection);
1551                 dout_con<<"=== END RUNNING UNIT TESTS FOR CONNECTION ==="<<std::endl;
1552         }
1553         infostream<<"run_tests() passed"<<std::endl;
1554 }
1555