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