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