src/test.cpp

   1 /*
   2 Minetest
   3 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include "test.h"
  21 #include "irrlichttypes_extrabloated.h"
  22 #include "debug.h"
  23 #include "map.h"
  24 #include "player.h"
  25 #include "main.h"
  26 #include "socket.h"
  27 #include "connection.h"
  28 #include "serialization.h"
  29 #include "voxel.h"
  30 #include "collision.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 "util/string.h"
  39 #include "filesys.h"
  40 #include "voxelalgorithms.h"
  41 #include "inventory.h"
  42 #include "util/numeric.h"
  43 #include "util/serialize.h"
  44 #include "noise.h" // PseudoRandom used for random data for compression
  45 #include "clientserver.h" // LATEST_PROTOCOL_VERSION
  46 #include <algorithm>
  47
  48 /*
  49         Asserts that the exception occurs
  50 */
  51 #define EXCEPTION_CHECK(EType, code)\
  52 {\
  53         bool exception_thrown = false;\
  54         try{ code; }\
  55         catch(EType &e) { exception_thrown = true; }\
  56         UASSERT(exception_thrown);\
  57 }
  58
  59 #define UTEST(x, fmt, ...)\
  60 {\
  61         if(!(x)){\
  62                 LOGLINEF(LMT_ERROR, "Test (%s) failed: " fmt, #x, ##__VA_ARGS__);\
  63                 test_failed = true;\
  64         }\
  65 }
  66
  67 #define UASSERT(x) UTEST(x, "UASSERT")
  68
  69 /*
  70         A few item and node definitions for those tests that need them
  71 */
  72
  73 static content_t CONTENT_STONE;
  74 static content_t CONTENT_GRASS;
  75 static content_t CONTENT_TORCH;
  76
  77 void define_some_nodes(IWritableItemDefManager *idef, IWritableNodeDefManager *ndef)
  78 {
  79         ItemDefinition itemdef;
  80         ContentFeatures f;
  81
  82         /*
  83                 Stone
  84         */
  85         itemdef = ItemDefinition();
  86         itemdef.type = ITEM_NODE;
  87         itemdef.name = "default:stone";
  88         itemdef.description = "Stone";
  89         itemdef.groups["cracky"] = 3;
  90         itemdef.inventory_image = "[inventorycube"
  91                 "{default_stone.png"
  92                 "{default_stone.png"
  93                 "{default_stone.png";
  94         f = ContentFeatures();
  95         f.name = itemdef.name;
  96         for(int i = 0; i < 6; i++)
  97                 f.tiledef[i].name = "default_stone.png";
  98         f.is_ground_content = true;
  99         idef->registerItem(itemdef);
 100         CONTENT_STONE = ndef->set(f.name, f);
 101
 102         /*
 103                 Grass
 104         */
 105         itemdef = ItemDefinition();
 106         itemdef.type = ITEM_NODE;
 107         itemdef.name = "default:dirt_with_grass";
 108         itemdef.description = "Dirt with grass";
 109         itemdef.groups["crumbly"] = 3;
 110         itemdef.inventory_image = "[inventorycube"
 111                 "{default_grass.png"
 112                 "{default_dirt.png&default_grass_side.png"
 113                 "{default_dirt.png&default_grass_side.png";
 114         f = ContentFeatures();
 115         f.name = itemdef.name;
 116         f.tiledef[0].name = "default_grass.png";
 117         f.tiledef[1].name = "default_dirt.png";
 118         for(int i = 2; i < 6; i++)
 119                 f.tiledef[i].name = "default_dirt.png^default_grass_side.png";
 120         f.is_ground_content = true;
 121         idef->registerItem(itemdef);
 122         CONTENT_GRASS = ndef->set(f.name, f);
 123
 124         /*
 125                 Torch (minimal definition for lighting tests)
 126         */
 127         itemdef = ItemDefinition();
 128         itemdef.type = ITEM_NODE;
 129         itemdef.name = "default:torch";
 130         f = ContentFeatures();
 131         f.name = itemdef.name;
 132         f.param_type = CPT_LIGHT;
 133         f.light_propagates = true;
 134         f.sunlight_propagates = true;
 135         f.light_source = LIGHT_MAX-1;
 136         idef->registerItem(itemdef);
 137         CONTENT_TORCH = ndef->set(f.name, f);
 138 }
 139
 140 struct TestBase
 141 {
 142         bool test_failed;
 143         TestBase():
 144                 test_failed(false)
 145         {}
 146 };
 147
 148 struct TestUtilities: public TestBase
 149 {
 150         void Run()
 151         {
 152                 /*infostream<<"wrapDegrees(100.0) = "<<wrapDegrees(100.0)<<std::endl;
 153                 infostream<<"wrapDegrees(720.5) = "<<wrapDegrees(720.5)<<std::endl;
 154                 infostream<<"wrapDegrees(-0.5) = "<<wrapDegrees(-0.5)<<std::endl;*/
 155                 UASSERT(fabs(wrapDegrees(100.0) - 100.0) < 0.001);
 156                 UASSERT(fabs(wrapDegrees(720.5) - 0.5) < 0.001);
 157                 UASSERT(fabs(wrapDegrees(-0.5) - (-0.5)) < 0.001);
 158                 UASSERT(fabs(wrapDegrees(-365.5) - (-5.5)) < 0.001);
 159                 UASSERT(lowercase("Foo bAR") == "foo bar");
 160                 UASSERT(trim("\n \t\r  Foo bAR  \r\n\t\t  ") == "Foo bAR");
 161                 UASSERT(trim("\n \t\r    \r\n\t\t  ") == "");
 162                 UASSERT(is_yes("YeS") == true);
 163                 UASSERT(is_yes("") == false);
 164                 UASSERT(is_yes("FAlse") == false);
 165                 UASSERT(is_yes("-1") == true);
 166                 UASSERT(is_yes("0") == false);
 167                 UASSERT(is_yes("1") == true);
 168                 UASSERT(is_yes("2") == true);
 169                 const char *ends[] = {"abc", "c", "bc", "", NULL};
 170                 UASSERT(removeStringEnd("abc", ends) == "");
 171                 UASSERT(removeStringEnd("bc", ends) == "b");
 172                 UASSERT(removeStringEnd("12c", ends) == "12");
 173                 UASSERT(removeStringEnd("foo", ends) == "");
 174                 UASSERT(urlencode("\"Aardvarks lurk, OK?\"")
 175                                 == "%22Aardvarks%20lurk%2C%20OK%3F%22");
 176                 UASSERT(urldecode("%22Aardvarks%20lurk%2C%20OK%3F%22")
 177                                 == "\"Aardvarks lurk, OK?\"");
 178                 UASSERT(padStringRight("hello", 8) == "hello   ");
 179                 UASSERT(str_equal(narrow_to_wide("abc"), narrow_to_wide("abc")));
 180                 UASSERT(str_equal(narrow_to_wide("ABC"), narrow_to_wide("abc"), true));
 181                 UASSERT(trim("  a") == "a");
 182                 UASSERT(trim("   a  ") == "a");
 183                 UASSERT(trim("a   ") == "a");
 184                 UASSERT(trim("") == "");
 185                 UASSERT(mystoi("123", 0, 1000) == 123);
 186                 UASSERT(mystoi("123", 0, 10) == 10);
 187                 std::string test_str;
 188                 test_str = "Hello there";
 189                 str_replace(test_str, "there", "world");
 190                 UASSERT(test_str == "Hello world");
 191                 test_str = "ThisAisAaAtest";
 192                 str_replace_char(test_str, 'A', ' ');
 193                 UASSERT(test_str == "This is a test");
 194                 UASSERT(string_allowed("hello", "abcdefghijklmno") == true);
 195                 UASSERT(string_allowed("123", "abcdefghijklmno") == false);
 196                 UASSERT(string_allowed_blacklist("hello", "123") == true);
 197                 UASSERT(string_allowed_blacklist("hello123", "123") == false);
 198                 UASSERT(wrap_rows("12345678",4) == "1234\n5678");
 199                 UASSERT(is_number("123") == true);
 200                 UASSERT(is_number("") == false);
 201                 UASSERT(is_number("123a") == false);
 202                 UASSERT(is_power_of_two(0) == false);
 203                 UASSERT(is_power_of_two(1) == true);
 204                 UASSERT(is_power_of_two(2) == true);
 205                 UASSERT(is_power_of_two(3) == false);
 206                 for (int exponent = 2; exponent <= 31; ++exponent) {
 207                         UASSERT(is_power_of_two((1 << exponent) - 1) == false);
 208                         UASSERT(is_power_of_two((1 << exponent)) == true);
 209                         UASSERT(is_power_of_two((1 << exponent) + 1) == false);
 210                 }
 211                 UASSERT(is_power_of_two((u32)-1) == false);
 212         }
 213 };
 214
 215 struct TestPath: public TestBase
 216 {
 217         // adjusts a POSIX path to system-specific conventions
 218         // -> changes '/' to DIR_DELIM
 219         // -> absolute paths start with "C:\\" on windows
 220         std::string p(std::string path)
 221         {
 222                 for(size_t i = 0; i < path.size(); ++i){
 223                         if(path[i] == '/'){
 224                                 path.replace(i, 1, DIR_DELIM);
 225                                 i += std::string(DIR_DELIM).size() - 1; // generally a no-op
 226                         }
 227                 }
 228
 229                 #ifdef _WIN32
 230                 if(path[0] == '\\')
 231                         path = "C:" + path;
 232                 #endif
 233
 234                 return path;
 235         }
 236
 237         void Run()
 238         {
 239                 std::string path, result, removed;
 240
 241                 /*
 242                         Test fs::IsDirDelimiter
 243                 */
 244                 UASSERT(fs::IsDirDelimiter('/') == true);
 245                 UASSERT(fs::IsDirDelimiter('A') == false);
 246                 UASSERT(fs::IsDirDelimiter(0) == false);
 247                 #ifdef _WIN32
 248                 UASSERT(fs::IsDirDelimiter('\\') == true);
 249                 #else
 250                 UASSERT(fs::IsDirDelimiter('\\') == false);
 251                 #endif
 252
 253                 /*
 254                         Test fs::PathStartsWith
 255                 */
 256                 {
 257                         const int numpaths = 12;
 258                         std::string paths[numpaths] = {
 259                                 "",
 260                                 p("/"),
 261                                 p("/home/user/minetest"),
 262                                 p("/home/user/minetest/bin"),
 263                                 p("/home/user/.minetest"),
 264                                 p("/tmp/dir/file"),
 265                                 p("/tmp/file/"),
 266                                 p("/tmP/file"),
 267                                 p("/tmp"),
 268                                 p("/tmp/dir"),
 269                                 p("/home/user2/minetest/worlds"),
 270                                 p("/home/user2/minetest/world"),
 271                         };
 272                         /*
 273                                 expected fs::PathStartsWith results
 274                                 0 = returns false
 275                                 1 = returns true
 276                                 2 = returns false on windows, false elsewhere
 277                                 3 = returns true on windows, true elsewhere
 278                                 4 = returns true if and only if
 279                                     FILESYS_CASE_INSENSITIVE is true
 280                         */
 281                         int expected_results[numpaths][numpaths] = {
 282                                 {1,2,0,0,0,0,0,0,0,0,0,0},
 283                                 {1,1,0,0,0,0,0,0,0,0,0,0},
 284                                 {1,1,1,0,0,0,0,0,0,0,0,0},
 285                                 {1,1,1,1,0,0,0,0,0,0,0,0},
 286                                 {1,1,0,0,1,0,0,0,0,0,0,0},
 287                                 {1,1,0,0,0,1,0,0,1,1,0,0},
 288                                 {1,1,0,0,0,0,1,4,1,0,0,0},
 289                                 {1,1,0,0,0,0,4,1,4,0,0,0},
 290                                 {1,1,0,0,0,0,0,0,1,0,0,0},
 291                                 {1,1,0,0,0,0,0,0,1,1,0,0},
 292                                 {1,1,0,0,0,0,0,0,0,0,1,0},
 293                                 {1,1,0,0,0,0,0,0,0,0,0,1},
 294                         };
 295
 296                         for (int i = 0; i < numpaths; i++)
 297                         for (int j = 0; j < numpaths; j++){
 298                                 /*verbosestream<<"testing fs::PathStartsWith(\""
 299                                         <<paths[i]<<"\", \""
 300                                         <<paths[j]<<"\")"<<std::endl;*/
 301                                 bool starts = fs::PathStartsWith(paths[i], paths[j]);
 302                                 int expected = expected_results[i][j];
 303                                 if(expected == 0){
 304                                         UASSERT(starts == false);
 305                                 }
 306                                 else if(expected == 1){
 307                                         UASSERT(starts == true);
 308                                 }
 309                                 #ifdef _WIN32
 310                                 else if(expected == 2){
 311                                         UASSERT(starts == false);
 312                                 }
 313                                 else if(expected == 3){
 314                                         UASSERT(starts == true);
 315                                 }
 316                                 #else
 317                                 else if(expected == 2){
 318                                         UASSERT(starts == true);
 319                                 }
 320                                 else if(expected == 3){
 321                                         UASSERT(starts == false);
 322                                 }
 323                                 #endif
 324                                 else if(expected == 4){
 325                                         UASSERT(starts == (bool)FILESYS_CASE_INSENSITIVE);
 326                                 }
 327                         }
 328                 }
 329
 330                 /*
 331                         Test fs::RemoveLastPathComponent
 332                 */
 333                 UASSERT(fs::RemoveLastPathComponent("") == "");
 334                 path = p("/home/user/minetest/bin/..//worlds/world1");
 335                 result = fs::RemoveLastPathComponent(path, &removed, 0);
 336                 UASSERT(result == path);
 337                 UASSERT(removed == "");
 338                 result = fs::RemoveLastPathComponent(path, &removed, 1);
 339                 UASSERT(result == p("/home/user/minetest/bin/..//worlds"));
 340                 UASSERT(removed == p("world1"));
 341                 result = fs::RemoveLastPathComponent(path, &removed, 2);
 342                 UASSERT(result == p("/home/user/minetest/bin/.."));
 343                 UASSERT(removed == p("worlds/world1"));
 344                 result = fs::RemoveLastPathComponent(path, &removed, 3);
 345                 UASSERT(result == p("/home/user/minetest/bin"));
 346                 UASSERT(removed == p("../worlds/world1"));
 347                 result = fs::RemoveLastPathComponent(path, &removed, 4);
 348                 UASSERT(result == p("/home/user/minetest"));
 349                 UASSERT(removed == p("bin/../worlds/world1"));
 350                 result = fs::RemoveLastPathComponent(path, &removed, 5);
 351                 UASSERT(result == p("/home/user"));
 352                 UASSERT(removed == p("minetest/bin/../worlds/world1"));
 353                 result = fs::RemoveLastPathComponent(path, &removed, 6);
 354                 UASSERT(result == p("/home"));
 355                 UASSERT(removed == p("user/minetest/bin/../worlds/world1"));
 356                 result = fs::RemoveLastPathComponent(path, &removed, 7);
 357                 #ifdef _WIN32
 358                 UASSERT(result == "C:");
 359                 #else
 360                 UASSERT(result == "");
 361                 #endif
 362                 UASSERT(removed == p("home/user/minetest/bin/../worlds/world1"));
 363
 364                 /*
 365                         Now repeat the test with a trailing delimiter
 366                 */
 367                 path = p("/home/user/minetest/bin/..//worlds/world1/");
 368                 result = fs::RemoveLastPathComponent(path, &removed, 0);
 369                 UASSERT(result == path);
 370                 UASSERT(removed == "");
 371                 result = fs::RemoveLastPathComponent(path, &removed, 1);
 372                 UASSERT(result == p("/home/user/minetest/bin/..//worlds"));
 373                 UASSERT(removed == p("world1"));
 374                 result = fs::RemoveLastPathComponent(path, &removed, 2);
 375                 UASSERT(result == p("/home/user/minetest/bin/.."));
 376                 UASSERT(removed == p("worlds/world1"));
 377                 result = fs::RemoveLastPathComponent(path, &removed, 3);
 378                 UASSERT(result == p("/home/user/minetest/bin"));
 379                 UASSERT(removed == p("../worlds/world1"));
 380                 result = fs::RemoveLastPathComponent(path, &removed, 4);
 381                 UASSERT(result == p("/home/user/minetest"));
 382                 UASSERT(removed == p("bin/../worlds/world1"));
 383                 result = fs::RemoveLastPathComponent(path, &removed, 5);
 384                 UASSERT(result == p("/home/user"));
 385                 UASSERT(removed == p("minetest/bin/../worlds/world1"));
 386                 result = fs::RemoveLastPathComponent(path, &removed, 6);
 387                 UASSERT(result == p("/home"));
 388                 UASSERT(removed == p("user/minetest/bin/../worlds/world1"));
 389                 result = fs::RemoveLastPathComponent(path, &removed, 7);
 390                 #ifdef _WIN32
 391                 UASSERT(result == "C:");
 392                 #else
 393                 UASSERT(result == "");
 394                 #endif
 395                 UASSERT(removed == p("home/user/minetest/bin/../worlds/world1"));
 396
 397                 /*
 398                         Test fs::RemoveRelativePathComponent
 399                 */
 400                 path = p("/home/user/minetest/bin");
 401                 result = fs::RemoveRelativePathComponents(path);
 402                 UASSERT(result == path);
 403                 path = p("/home/user/minetest/bin/../worlds/world1");
 404                 result = fs::RemoveRelativePathComponents(path);
 405                 UASSERT(result == p("/home/user/minetest/worlds/world1"));
 406                 path = p("/home/user/minetest/bin/../worlds/world1/");
 407                 result = fs::RemoveRelativePathComponents(path);
 408                 UASSERT(result == p("/home/user/minetest/worlds/world1"));
 409                 path = p(".");
 410                 result = fs::RemoveRelativePathComponents(path);
 411                 UASSERT(result == "");
 412                 path = p("./subdir/../..");
 413                 result = fs::RemoveRelativePathComponents(path);
 414                 UASSERT(result == "");
 415                 path = p("/a/b/c/.././../d/../e/f/g/../h/i/j/../../../..");
 416                 result = fs::RemoveRelativePathComponents(path);
 417                 UASSERT(result == p("/a/e"));
 418         }
 419 };
 420
 421 #define TEST_CONFIG_TEXT_BEFORE               \
 422         "leet = 1337\n"                           \
 423         "leetleet = 13371337\n"                   \
 424         "leetleet_neg = -13371337\n"              \
 425         "floaty_thing = 1.1\n"                    \
 426         "stringy_thing = asd /( ¤%&(/\" BLÖÄRP\n" \
 427         "coord = (1, 2, 4.5)\n"                   \
 428         "      # this is just a comment\n"        \
 429         "this is an invalid line\n"               \
 430         "asdf = {\n"                              \
 431         "       a   = 5\n"                            \
 432         "       bb  = 2.5\n"                          \
 433         "       ccc = \"\"\"\n"                       \
 434         "testy\n"                                 \
 435         "   testa   \n"                           \
 436         "\"\"\"\n"                                \
 437         "\n"                                      \
 438         "}\n"                                     \
 439         "blarg = \"\"\" \n"                       \
 440         "some multiline text\n"                   \
 441         "     with leading whitespace!\n"         \
 442         "\"\"\"\n"                                \
 443         "np_terrain = 5, 40, (250, 250, 250), 12341, 5, 0.7, 2.4\n" \
 444         "zoop = true"
 445
 446 #define TEST_CONFIG_TEXT_AFTER                \
 447         "leet = 1337\n"                           \
 448         "leetleet = 13371337\n"                   \
 449         "leetleet_neg = -13371337\n"              \
 450         "floaty_thing = 1.1\n"                    \
 451         "stringy_thing = asd /( ¤%&(/\" BLÖÄRP\n" \
 452         "coord = (1, 2, 4.5)\n"                   \
 453         "      # this is just a comment\n"        \
 454         "this is an invalid line\n"               \
 455         "asdf = {\n"                              \
 456         "       a   = 5\n"                            \
 457         "       bb  = 2.5\n"                          \
 458         "       ccc = \"\"\"\n"                       \
 459         "testy\n"                                 \
 460         "   testa   \n"                           \
 461         "\"\"\"\n"                                \
 462         "\n"                                      \
 463         "}\n"                                     \
 464         "blarg = \"\"\" \n"                       \
 465         "some multiline text\n"                   \
 466         "     with leading whitespace!\n"         \
 467         "\"\"\"\n"                                \
 468         "np_terrain = {\n"                        \
 469         "       flags = defaults\n"                   \
 470         "       lacunarity = 2.4\n"                   \
 471         "       octaves = 6\n"                        \
 472         "       offset = 3.5\n"                       \
 473         "       persistence = 0.7\n"                  \
 474         "       scale = 40\n"                         \
 475         "       seed = 12341\n"                       \
 476         "       spread = (250,250,250)\n"             \
 477         "}\n"                                     \
 478         "zoop = true\n"                           \
 479         "coord2 = (1,2,3.3)\n"                    \
 480         "floaty_thing_2 = 1.2\n"                  \
 481         "groupy_thing = {\n"                      \
 482         "       animals = cute\n"                     \
 483         "       num_apples = 4\n"                     \
 484         "       num_oranges = 53\n"                   \
 485         "}\n"
 486
 487 struct TestSettings: public TestBase
 488 {
 489         void Run()
 490         {
 491                 try {
 492                 Settings s;
 493
 494                 // Test reading of settings
 495                 std::istringstream is(TEST_CONFIG_TEXT_BEFORE);
 496                 s.parseConfigLines(is);
 497
 498                 UASSERT(s.getS32("leet") == 1337);
 499                 UASSERT(s.getS16("leetleet") == 32767);
 500                 UASSERT(s.getS16("leetleet_neg") == -32768);
 501
 502                 // Not sure if 1.1 is an exact value as a float, but doesn't matter
 503                 UASSERT(fabs(s.getFloat("floaty_thing") - 1.1) < 0.001);
 504                 UASSERT(s.get("stringy_thing") == "asd /( ¤%&(/\" BLÖÄRP");
 505                 UASSERT(fabs(s.getV3F("coord").X - 1.0) < 0.001);
 506                 UASSERT(fabs(s.getV3F("coord").Y - 2.0) < 0.001);
 507                 UASSERT(fabs(s.getV3F("coord").Z - 4.5) < 0.001);
 508
 509                 // Test the setting of settings too
 510                 s.setFloat("floaty_thing_2", 1.2);
 511                 s.setV3F("coord2", v3f(1, 2, 3.3));
 512                 UASSERT(s.get("floaty_thing_2").substr(0,3) == "1.2");
 513                 UASSERT(fabs(s.getFloat("floaty_thing_2") - 1.2) < 0.001);
 514                 UASSERT(fabs(s.getV3F("coord2").X - 1.0) < 0.001);
 515                 UASSERT(fabs(s.getV3F("coord2").Y - 2.0) < 0.001);
 516                 UASSERT(fabs(s.getV3F("coord2").Z - 3.3) < 0.001);
 517
 518                 // Test settings groups
 519                 Settings *group = s.getGroup("asdf");
 520                 UASSERT(group != NULL);
 521                 UASSERT(s.getGroupNoEx("zoop", group) == false);
 522                 UASSERT(group->getS16("a") == 5);
 523                 UASSERT(fabs(group->getFloat("bb") - 2.5) < 0.001);
 524
 525                 Settings *group3 = new Settings;
 526                 group3->set("cat", "meow");
 527                 group3->set("dog", "woof");
 528
 529                 Settings *group2 = new Settings;
 530                 group2->setS16("num_apples", 4);
 531                 group2->setS16("num_oranges", 53);
 532                 group2->setGroup("animals", group3);
 533                 group2->set("animals", "cute"); //destroys group 3
 534                 s.setGroup("groupy_thing", group2);
 535
 536                 // Test set failure conditions
 537                 UASSERT(s.set("Zoop = Poop\nsome_other_setting", "false") == false);
 538                 UASSERT(s.set("sneaky", "\"\"\"\njabberwocky = false") == false);
 539                 UASSERT(s.set("hehe", "asdfasdf\n\"\"\"\nsomething = false") == false);
 540
 541                 // Test multiline settings
 542                 UASSERT(group->get("ccc") == "testy\n   testa   ");
 543
 544                 UASSERT(s.get("blarg") ==
 545                         "some multiline text\n"
 546                         "     with leading whitespace!");
 547
 548                 // Test NoiseParams
 549                 UASSERT(s.getEntry("np_terrain").is_group == false);
 550
 551                 NoiseParams np;
 552                 UASSERT(s.getNoiseParams("np_terrain", np) == true);
 553                 UASSERT(fabs(np.offset - 5) < 0.001);
 554                 UASSERT(fabs(np.scale - 40) < 0.001);
 555                 UASSERT(fabs(np.spread.X - 250) < 0.001);
 556                 UASSERT(fabs(np.spread.Y - 250) < 0.001);
 557                 UASSERT(fabs(np.spread.Z - 250) < 0.001);
 558                 UASSERT(np.seed == 12341);
 559                 UASSERT(np.octaves == 5);
 560                 UASSERT(fabs(np.persist - 0.7) < 0.001);
 561
 562                 np.offset  = 3.5;
 563                 np.octaves = 6;
 564                 s.setNoiseParams("np_terrain", np);
 565
 566                 UASSERT(s.getEntry("np_terrain").is_group == true);
 567
 568                 // Test writing
 569                 std::ostringstream os(std::ios_base::binary);
 570                 is.clear();
 571                 is.seekg(0);
 572
 573                 UASSERT(s.updateConfigObject(is, os, "", 0) == true);
 574                 //printf(">>>> expected config:\n%s\n", TEST_CONFIG_TEXT_AFTER);
 575                 //printf(">>>> actual config:\n%s\n", os.str().c_str());
 576                 UASSERT(os.str() == TEST_CONFIG_TEXT_AFTER);
 577                 } catch (SettingNotFoundException &e) {
 578                         UASSERT(!"Setting not found!");
 579                 }
 580         }
 581 };
 582
 583 struct TestSerialization: public TestBase
 584 {
 585         // To be used like this:
 586         //   mkstr("Some\0string\0with\0embedded\0nuls")
 587         // since std::string("...") doesn't work as expected in that case.
 588         template<size_t N> std::string mkstr(const char (&s)[N])
 589         {
 590                 return std::string(s, N - 1);
 591         }
 592
 593         void Run()
 594         {
 595                 // Tests some serialization primitives
 596
 597                 UASSERT(serializeString("") == mkstr("\0\0"));
 598                 UASSERT(serializeWideString(L"") == mkstr("\0\0"));
 599                 UASSERT(serializeLongString("") == mkstr("\0\0\0\0"));
 600                 UASSERT(serializeJsonString("") == "\"\"");
 601
 602                 std::string teststring = "Hello world!";
 603                 UASSERT(serializeString(teststring) ==
 604                         mkstr("\0\14Hello world!"));
 605                 UASSERT(serializeWideString(narrow_to_wide(teststring)) ==
 606                         mkstr("\0\14\0H\0e\0l\0l\0o\0 \0w\0o\0r\0l\0d\0!"));
 607                 UASSERT(serializeLongString(teststring) ==
 608                         mkstr("\0\0\0\14Hello world!"));
 609                 UASSERT(serializeJsonString(teststring) ==
 610                         "\"Hello world!\"");
 611
 612                 std::string teststring2;
 613                 std::wstring teststring2_w;
 614                 std::string teststring2_w_encoded;
 615                 {
 616                         std::ostringstream tmp_os;
 617                         std::wostringstream tmp_os_w;
 618                         std::ostringstream tmp_os_w_encoded;
 619                         for(int i = 0; i < 256; i++)
 620                         {
 621                                 tmp_os<<(char)i;
 622                                 tmp_os_w<<(wchar_t)i;
 623                                 tmp_os_w_encoded<<(char)0<<(char)i;
 624                         }
 625                         teststring2 = tmp_os.str();
 626                         teststring2_w = tmp_os_w.str();
 627                         teststring2_w_encoded = tmp_os_w_encoded.str();
 628                 }
 629                 UASSERT(serializeString(teststring2) ==
 630                         mkstr("\1\0") + teststring2);
 631                 UASSERT(serializeWideString(teststring2_w) ==
 632                         mkstr("\1\0") + teststring2_w_encoded);
 633                 UASSERT(serializeLongString(teststring2) ==
 634                         mkstr("\0\0\1\0") + teststring2);
 635                 // MSVC fails when directly using "\\\\"
 636                 std::string backslash = "\\";
 637                 UASSERT(serializeJsonString(teststring2) ==
 638                         mkstr("\"") +
 639                         "\\u0000\\u0001\\u0002\\u0003\\u0004\\u0005\\u0006\\u0007" +
 640                         "\\b\\t\\n\\u000b\\f\\r\\u000e\\u000f" +
 641                         "\\u0010\\u0011\\u0012\\u0013\\u0014\\u0015\\u0016\\u0017" +
 642                         "\\u0018\\u0019\\u001a\\u001b\\u001c\\u001d\\u001e\\u001f" +
 643                         " !\\\"" + teststring2.substr(0x23, 0x2f-0x23) +
 644                         "\\/" + teststring2.substr(0x30, 0x5c-0x30) +
 645                         backslash + backslash + teststring2.substr(0x5d, 0x7f-0x5d) + "\\u007f" +
 646                         "\\u0080\\u0081\\u0082\\u0083\\u0084\\u0085\\u0086\\u0087" +
 647                         "\\u0088\\u0089\\u008a\\u008b\\u008c\\u008d\\u008e\\u008f" +
 648                         "\\u0090\\u0091\\u0092\\u0093\\u0094\\u0095\\u0096\\u0097" +
 649                         "\\u0098\\u0099\\u009a\\u009b\\u009c\\u009d\\u009e\\u009f" +
 650                         "\\u00a0\\u00a1\\u00a2\\u00a3\\u00a4\\u00a5\\u00a6\\u00a7" +
 651                         "\\u00a8\\u00a9\\u00aa\\u00ab\\u00ac\\u00ad\\u00ae\\u00af" +
 652                         "\\u00b0\\u00b1\\u00b2\\u00b3\\u00b4\\u00b5\\u00b6\\u00b7" +
 653                         "\\u00b8\\u00b9\\u00ba\\u00bb\\u00bc\\u00bd\\u00be\\u00bf" +
 654                         "\\u00c0\\u00c1\\u00c2\\u00c3\\u00c4\\u00c5\\u00c6\\u00c7" +
 655                         "\\u00c8\\u00c9\\u00ca\\u00cb\\u00cc\\u00cd\\u00ce\\u00cf" +
 656                         "\\u00d0\\u00d1\\u00d2\\u00d3\\u00d4\\u00d5\\u00d6\\u00d7" +
 657                         "\\u00d8\\u00d9\\u00da\\u00db\\u00dc\\u00dd\\u00de\\u00df" +
 658                         "\\u00e0\\u00e1\\u00e2\\u00e3\\u00e4\\u00e5\\u00e6\\u00e7" +
 659                         "\\u00e8\\u00e9\\u00ea\\u00eb\\u00ec\\u00ed\\u00ee\\u00ef" +
 660                         "\\u00f0\\u00f1\\u00f2\\u00f3\\u00f4\\u00f5\\u00f6\\u00f7" +
 661                         "\\u00f8\\u00f9\\u00fa\\u00fb\\u00fc\\u00fd\\u00fe\\u00ff" +
 662                         "\"");
 663
 664                 {
 665                         std::istringstream is(serializeString(teststring2), std::ios::binary);
 666                         UASSERT(deSerializeString(is) == teststring2);
 667                         UASSERT(!is.eof());
 668                         is.get();
 669                         UASSERT(is.eof());
 670                 }
 671                 {
 672                         std::istringstream is(serializeWideString(teststring2_w), std::ios::binary);
 673                         UASSERT(deSerializeWideString(is) == teststring2_w);
 674                         UASSERT(!is.eof());
 675                         is.get();
 676                         UASSERT(is.eof());
 677                 }
 678                 {
 679                         std::istringstream is(serializeLongString(teststring2), std::ios::binary);
 680                         UASSERT(deSerializeLongString(is) == teststring2);
 681                         UASSERT(!is.eof());
 682                         is.get();
 683                         UASSERT(is.eof());
 684                 }
 685                 {
 686                         std::istringstream is(serializeJsonString(teststring2), std::ios::binary);
 687                         //dstream<<serializeJsonString(deSerializeJsonString(is));
 688                         UASSERT(deSerializeJsonString(is) == teststring2);
 689                         UASSERT(!is.eof());
 690                         is.get();
 691                         UASSERT(is.eof());
 692                 }
 693         }
 694 };
 695
 696 struct TestNodedefSerialization: public TestBase
 697 {
 698         void Run()
 699         {
 700                 ContentFeatures f;
 701                 f.name = "default:stone";
 702                 for(int i = 0; i < 6; i++)
 703                         f.tiledef[i].name = "default_stone.png";
 704                 f.is_ground_content = true;
 705                 std::ostringstream os(std::ios::binary);
 706                 f.serialize(os, LATEST_PROTOCOL_VERSION);
 707                 verbosestream<<"Test ContentFeatures size: "<<os.str().size()<<std::endl;
 708                 std::istringstream is(os.str(), std::ios::binary);
 709                 ContentFeatures f2;
 710                 f2.deSerialize(is);
 711                 UASSERT(f.walkable == f2.walkable);
 712                 UASSERT(f.node_box.type == f2.node_box.type);
 713         }
 714 };
 715
 716 struct TestCompress: public TestBase
 717 {
 718         void Run()
 719         {
 720                 { // ver 0
 721
 722                 SharedBuffer<u8> fromdata(4);
 723                 fromdata[0]=1;
 724                 fromdata[1]=5;
 725                 fromdata[2]=5;
 726                 fromdata[3]=1;
 727
 728                 std::ostringstream os(std::ios_base::binary);
 729                 compress(fromdata, os, 0);
 730
 731                 std::string str_out = os.str();
 732
 733                 infostream<<"str_out.size()="<<str_out.size()<<std::endl;
 734                 infostream<<"TestCompress: 1,5,5,1 -> ";
 735                 for(u32 i=0; i<str_out.size(); i++)
 736                 {
 737                         infostream<<(u32)str_out[i]<<",";
 738                 }
 739                 infostream<<std::endl;
 740
 741                 UASSERT(str_out.size() == 10);
 742
 743                 UASSERT(str_out[0] == 0);
 744                 UASSERT(str_out[1] == 0);
 745                 UASSERT(str_out[2] == 0);
 746                 UASSERT(str_out[3] == 4);
 747                 UASSERT(str_out[4] == 0);
 748                 UASSERT(str_out[5] == 1);
 749                 UASSERT(str_out[6] == 1);
 750                 UASSERT(str_out[7] == 5);
 751                 UASSERT(str_out[8] == 0);
 752                 UASSERT(str_out[9] == 1);
 753
 754                 std::istringstream is(str_out, std::ios_base::binary);
 755                 std::ostringstream os2(std::ios_base::binary);
 756
 757                 decompress(is, os2, 0);
 758                 std::string str_out2 = os2.str();
 759
 760                 infostream<<"decompress: ";
 761                 for(u32 i=0; i<str_out2.size(); i++)
 762                 {
 763                         infostream<<(u32)str_out2[i]<<",";
 764                 }
 765                 infostream<<std::endl;
 766
 767                 UASSERT(str_out2.size() == fromdata.getSize());
 768
 769                 for(u32 i=0; i<str_out2.size(); i++)
 770                 {
 771                         UASSERT(str_out2[i] == fromdata[i]);
 772                 }
 773
 774                 }
 775
 776                 { // ver HIGHEST
 777
 778                 SharedBuffer<u8> fromdata(4);
 779                 fromdata[0]=1;
 780                 fromdata[1]=5;
 781                 fromdata[2]=5;
 782                 fromdata[3]=1;
 783
 784                 std::ostringstream os(std::ios_base::binary);
 785                 compress(fromdata, os, SER_FMT_VER_HIGHEST_READ);
 786
 787                 std::string str_out = os.str();
 788
 789                 infostream<<"str_out.size()="<<str_out.size()<<std::endl;
 790                 infostream<<"TestCompress: 1,5,5,1 -> ";
 791                 for(u32 i=0; i<str_out.size(); i++)
 792                 {
 793                         infostream<<(u32)str_out[i]<<",";
 794                 }
 795                 infostream<<std::endl;
 796
 797                 std::istringstream is(str_out, std::ios_base::binary);
 798                 std::ostringstream os2(std::ios_base::binary);
 799
 800                 decompress(is, os2, SER_FMT_VER_HIGHEST_READ);
 801                 std::string str_out2 = os2.str();
 802
 803                 infostream<<"decompress: ";
 804                 for(u32 i=0; i<str_out2.size(); i++)
 805                 {
 806                         infostream<<(u32)str_out2[i]<<",";
 807                 }
 808                 infostream<<std::endl;
 809
 810                 UASSERT(str_out2.size() == fromdata.getSize());
 811
 812                 for(u32 i=0; i<str_out2.size(); i++)
 813                 {
 814                         UASSERT(str_out2[i] == fromdata[i]);
 815                 }
 816
 817                 }
 818
 819                 // Test zlib wrapper with large amounts of data (larger than its
 820                 // internal buffers)
 821                 {
 822                         infostream<<"Test: Testing zlib wrappers with a large amount "
 823                                         <<"of pseudorandom data"<<std::endl;
 824                         u32 size = 50000;
 825                         infostream<<"Test: Input size of large compressZlib is "
 826                                         <<size<<std::endl;
 827                         std::string data_in;
 828                         data_in.resize(size);
 829                         PseudoRandom pseudorandom(9420);
 830                         for(u32 i=0; i<size; i++)
 831                                 data_in[i] = pseudorandom.range(0,255);
 832                         std::ostringstream os_compressed(std::ios::binary);
 833                         compressZlib(data_in, os_compressed);
 834                         infostream<<"Test: Output size of large compressZlib is "
 835                                         <<os_compressed.str().size()<<std::endl;
 836                         std::istringstream is_compressed(os_compressed.str(), std::ios::binary);
 837                         std::ostringstream os_decompressed(std::ios::binary);
 838                         decompressZlib(is_compressed, os_decompressed);
 839                         infostream<<"Test: Output size of large decompressZlib is "
 840                                         <<os_decompressed.str().size()<<std::endl;
 841                         std::string str_decompressed = os_decompressed.str();
 842                         UTEST(str_decompressed.size() == data_in.size(), "Output size not"
 843                                         " equal (output: %u, input: %u)",
 844                                         (unsigned int)str_decompressed.size(), (unsigned int)data_in.size());
 845                         for(u32 i=0; i<size && i<str_decompressed.size(); i++){
 846                                 UTEST(str_decompressed[i] == data_in[i],
 847                                                 "index out[%i]=%i differs from in[%i]=%i",
 848                                                 i, str_decompressed[i], i, data_in[i]);
 849                         }
 850                 }
 851         }
 852 };
 853
 854 struct TestMapNode: public TestBase
 855 {
 856         void Run(INodeDefManager *nodedef)
 857         {
 858                 MapNode n;
 859
 860                 // Default values
 861                 UASSERT(n.getContent() == CONTENT_AIR);
 862                 UASSERT(n.getLight(LIGHTBANK_DAY, nodedef) == 0);
 863                 UASSERT(n.getLight(LIGHTBANK_NIGHT, nodedef) == 0);
 864
 865                 // Transparency
 866                 n.setContent(CONTENT_AIR);
 867                 UASSERT(nodedef->get(n).light_propagates == true);
 868                 n.setContent(LEGN(nodedef, "CONTENT_STONE"));
 869                 UASSERT(nodedef->get(n).light_propagates == false);
 870         }
 871 };
 872
 873 struct TestVoxelManipulator: public TestBase
 874 {
 875         void Run(INodeDefManager *nodedef)
 876         {
 877                 /*
 878                         VoxelArea
 879                 */
 880
 881                 VoxelArea a(v3s16(-1,-1,-1), v3s16(1,1,1));
 882                 UASSERT(a.index(0,0,0) == 1*3*3 + 1*3 + 1);
 883                 UASSERT(a.index(-1,-1,-1) == 0);
 884
 885                 VoxelArea c(v3s16(-2,-2,-2), v3s16(2,2,2));
 886                 // An area that is 1 bigger in x+ and z-
 887                 VoxelArea d(v3s16(-2,-2,-3), v3s16(3,2,2));
 888
 889                 std::list<VoxelArea> aa;
 890                 d.diff(c, aa);
 891
 892                 // Correct results
 893                 std::vector<VoxelArea> results;
 894                 results.push_back(VoxelArea(v3s16(-2,-2,-3),v3s16(3,2,-3)));
 895                 results.push_back(VoxelArea(v3s16(3,-2,-2),v3s16(3,2,2)));
 896
 897                 UASSERT(aa.size() == results.size());
 898
 899                 infostream<<"Result of diff:"<<std::endl;
 900                 for(std::list<VoxelArea>::const_iterator
 901                                 i = aa.begin(); i != aa.end(); ++i)
 902                 {
 903                         i->print(infostream);
 904                         infostream<<std::endl;
 905
 906                         std::vector<VoxelArea>::iterator j = std::find(results.begin(), results.end(), *i);
 907                         UASSERT(j != results.end());
 908                         results.erase(j);
 909                 }
 910
 911
 912                 /*
 913                         VoxelManipulator
 914                 */
 915
 916                 VoxelManipulator v;
 917
 918                 v.print(infostream, nodedef);
 919
 920                 infostream<<"*** Setting (-1,0,-1)=2 ***"<<std::endl;
 921
 922                 v.setNodeNoRef(v3s16(-1,0,-1), MapNode(CONTENT_GRASS));
 923
 924                 v.print(infostream, nodedef);
 925
 926                 UASSERT(v.getNode(v3s16(-1,0,-1)).getContent() == CONTENT_GRASS);
 927
 928                 infostream<<"*** Reading from inexistent (0,0,-1) ***"<<std::endl;
 929
 930                 EXCEPTION_CHECK(InvalidPositionException, v.getNode(v3s16(0,0,-1)));
 931
 932                 v.print(infostream, nodedef);
 933
 934                 infostream<<"*** Adding area ***"<<std::endl;
 935
 936                 v.addArea(a);
 937
 938                 v.print(infostream, nodedef);
 939
 940                 UASSERT(v.getNode(v3s16(-1,0,-1)).getContent() == CONTENT_GRASS);
 941                 EXCEPTION_CHECK(InvalidPositionException, v.getNode(v3s16(0,1,1)));
 942         }
 943 };
 944
 945 struct TestVoxelAlgorithms: public TestBase
 946 {
 947         void Run(INodeDefManager *ndef)
 948         {
 949                 /*
 950                         voxalgo::propagateSunlight
 951                 */
 952                 {
 953                         VoxelManipulator v;
 954                         for(u16 z=0; z<3; z++)
 955                         for(u16 y=0; y<3; y++)
 956                         for(u16 x=0; x<3; x++)
 957                         {
 958                                 v3s16 p(x,y,z);
 959                                 v.setNodeNoRef(p, MapNode(CONTENT_AIR));
 960                         }
 961                         VoxelArea a(v3s16(0,0,0), v3s16(2,2,2));
 962                         {
 963                                 std::set<v3s16> light_sources;
 964                                 voxalgo::setLight(v, a, 0, ndef);
 965                                 voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
 966                                                 v, a, true, light_sources, ndef);
 967                                 //v.print(dstream, ndef, VOXELPRINT_LIGHT_DAY);
 968                                 UASSERT(res.bottom_sunlight_valid == true);
 969                                 UASSERT(v.getNode(v3s16(1,1,1)).getLight(LIGHTBANK_DAY, ndef)
 970                                                 == LIGHT_SUN);
 971                         }
 972                         v.setNodeNoRef(v3s16(0,0,0), MapNode(CONTENT_STONE));
 973                         {
 974                                 std::set<v3s16> light_sources;
 975                                 voxalgo::setLight(v, a, 0, ndef);
 976                                 voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
 977                                                 v, a, true, light_sources, ndef);
 978                                 UASSERT(res.bottom_sunlight_valid == true);
 979                                 UASSERT(v.getNode(v3s16(1,1,1)).getLight(LIGHTBANK_DAY, ndef)
 980                                                 == LIGHT_SUN);
 981                         }
 982                         {
 983                                 std::set<v3s16> light_sources;
 984                                 voxalgo::setLight(v, a, 0, ndef);
 985                                 voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
 986                                                 v, a, false, light_sources, ndef);
 987                                 UASSERT(res.bottom_sunlight_valid == true);
 988                                 UASSERT(v.getNode(v3s16(2,0,2)).getLight(LIGHTBANK_DAY, ndef)
 989                                                 == 0);
 990                         }
 991                         v.setNodeNoRef(v3s16(1,3,2), MapNode(CONTENT_STONE));
 992                         {
 993                                 std::set<v3s16> light_sources;
 994                                 voxalgo::setLight(v, a, 0, ndef);
 995                                 voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
 996                                                 v, a, true, light_sources, ndef);
 997                                 UASSERT(res.bottom_sunlight_valid == true);
 998                                 UASSERT(v.getNode(v3s16(1,1,2)).getLight(LIGHTBANK_DAY, ndef)
 999                                                 == 0);
1000                         }
1001                         {
1002                                 std::set<v3s16> light_sources;
1003                                 voxalgo::setLight(v, a, 0, ndef);
1004                                 voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
1005                                                 v, a, false, light_sources, ndef);
1006                                 UASSERT(res.bottom_sunlight_valid == true);
1007                                 UASSERT(v.getNode(v3s16(1,0,2)).getLight(LIGHTBANK_DAY, ndef)
1008                                                 == 0);
1009                         }
1010                         {
1011                                 MapNode n(CONTENT_AIR);
1012                                 n.setLight(LIGHTBANK_DAY, 10, ndef);
1013                                 v.setNodeNoRef(v3s16(1,-1,2), n);
1014                         }
1015                         {
1016                                 std::set<v3s16> light_sources;
1017                                 voxalgo::setLight(v, a, 0, ndef);
1018                                 voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
1019                                                 v, a, true, light_sources, ndef);
1020                                 UASSERT(res.bottom_sunlight_valid == true);
1021                         }
1022                         {
1023                                 std::set<v3s16> light_sources;
1024                                 voxalgo::setLight(v, a, 0, ndef);
1025                                 voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
1026                                                 v, a, false, light_sources, ndef);
1027                                 UASSERT(res.bottom_sunlight_valid == true);
1028                         }
1029                         {
1030                                 MapNode n(CONTENT_AIR);
1031                                 n.setLight(LIGHTBANK_DAY, LIGHT_SUN, ndef);
1032                                 v.setNodeNoRef(v3s16(1,-1,2), n);
1033                         }
1034                         {
1035                                 std::set<v3s16> light_sources;
1036                                 voxalgo::setLight(v, a, 0, ndef);
1037                                 voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
1038                                                 v, a, true, light_sources, ndef);
1039                                 UASSERT(res.bottom_sunlight_valid == false);
1040                         }
1041                         {
1042                                 std::set<v3s16> light_sources;
1043                                 voxalgo::setLight(v, a, 0, ndef);
1044                                 voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
1045                                                 v, a, false, light_sources, ndef);
1046                                 UASSERT(res.bottom_sunlight_valid == false);
1047                         }
1048                         v.setNodeNoRef(v3s16(1,3,2), MapNode(CONTENT_IGNORE));
1049                         {
1050                                 std::set<v3s16> light_sources;
1051                                 voxalgo::setLight(v, a, 0, ndef);
1052                                 voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
1053                                                 v, a, true, light_sources, ndef);
1054                                 UASSERT(res.bottom_sunlight_valid == true);
1055                         }
1056                 }
1057                 /*
1058                         voxalgo::clearLightAndCollectSources
1059                 */
1060                 {
1061                         VoxelManipulator v;
1062                         for(u16 z=0; z<3; z++)
1063                         for(u16 y=0; y<3; y++)
1064                         for(u16 x=0; x<3; x++)
1065                         {
1066                                 v3s16 p(x,y,z);
1067                                 v.setNode(p, MapNode(CONTENT_AIR));
1068                         }
1069                         VoxelArea a(v3s16(0,0,0), v3s16(2,2,2));
1070                         v.setNodeNoRef(v3s16(0,0,0), MapNode(CONTENT_STONE));
1071                         v.setNodeNoRef(v3s16(1,1,1), MapNode(CONTENT_TORCH));
1072                         {
1073                                 MapNode n(CONTENT_AIR);
1074                                 n.setLight(LIGHTBANK_DAY, 1, ndef);
1075                                 v.setNode(v3s16(1,1,2), n);
1076                         }
1077                         {
1078                                 std::set<v3s16> light_sources;
1079                                 std::map<v3s16, u8> unlight_from;
1080                                 voxalgo::clearLightAndCollectSources(v, a, LIGHTBANK_DAY,
1081                                                 ndef, light_sources, unlight_from);
1082                                 //v.print(dstream, ndef, VOXELPRINT_LIGHT_DAY);
1083                                 UASSERT(v.getNode(v3s16(0,1,1)).getLight(LIGHTBANK_DAY, ndef)
1084                                                 == 0);
1085                                 UASSERT(light_sources.find(v3s16(1,1,1)) != light_sources.end());
1086                                 UASSERT(light_sources.size() == 1);
1087                                 UASSERT(unlight_from.find(v3s16(1,1,2)) != unlight_from.end());
1088                                 UASSERT(unlight_from.size() == 1);
1089                         }
1090                 }
1091         }
1092 };
1093
1094 struct TestInventory: public TestBase
1095 {
1096         void Run(IItemDefManager *idef)
1097         {
1098                 std::string serialized_inventory =
1099                 "List 0 32\n"
1100                 "Width 3\n"
1101                 "Empty\n"
1102                 "Empty\n"
1103                 "Empty\n"
1104                 "Empty\n"
1105                 "Empty\n"
1106                 "Empty\n"
1107                 "Empty\n"
1108                 "Empty\n"
1109                 "Empty\n"
1110                 "Item default:cobble 61\n"
1111                 "Empty\n"
1112                 "Empty\n"
1113                 "Empty\n"
1114                 "Empty\n"
1115                 "Empty\n"
1116                 "Empty\n"
1117                 "Item default:dirt 71\n"
1118                 "Empty\n"
1119                 "Empty\n"
1120                 "Empty\n"
1121                 "Empty\n"
1122                 "Empty\n"
1123                 "Empty\n"
1124                 "Empty\n"
1125                 "Item default:dirt 99\n"
1126                 "Item default:cobble 38\n"
1127                 "Empty\n"
1128                 "Empty\n"
1129                 "Empty\n"
1130                 "Empty\n"
1131                 "Empty\n"
1132                 "Empty\n"
1133                 "EndInventoryList\n"
1134                 "EndInventory\n";
1135
1136                 std::string serialized_inventory_2 =
1137                 "List main 32\n"
1138                 "Width 5\n"
1139                 "Empty\n"
1140                 "Empty\n"
1141                 "Empty\n"
1142                 "Empty\n"
1143                 "Empty\n"
1144                 "Empty\n"
1145                 "Empty\n"
1146                 "Empty\n"
1147                 "Empty\n"
1148                 "Item default:cobble 61\n"
1149                 "Empty\n"
1150                 "Empty\n"
1151                 "Empty\n"
1152                 "Empty\n"
1153                 "Empty\n"
1154                 "Empty\n"
1155                 "Item default:dirt 71\n"
1156                 "Empty\n"
1157                 "Empty\n"
1158                 "Empty\n"
1159                 "Empty\n"
1160                 "Empty\n"
1161                 "Empty\n"
1162                 "Empty\n"
1163                 "Item default:dirt 99\n"
1164                 "Item default:cobble 38\n"
1165                 "Empty\n"
1166                 "Empty\n"
1167                 "Empty\n"
1168                 "Empty\n"
1169                 "Empty\n"
1170                 "Empty\n"
1171                 "EndInventoryList\n"
1172                 "EndInventory\n";
1173
1174                 Inventory inv(idef);
1175                 std::istringstream is(serialized_inventory, std::ios::binary);
1176                 inv.deSerialize(is);
1177                 UASSERT(inv.getList("0"));
1178                 UASSERT(!inv.getList("main"));
1179                 inv.getList("0")->setName("main");
1180                 UASSERT(!inv.getList("0"));
1181                 UASSERT(inv.getList("main"));
1182                 UASSERT(inv.getList("main")->getWidth() == 3);
1183                 inv.getList("main")->setWidth(5);
1184                 std::ostringstream inv_os(std::ios::binary);
1185                 inv.serialize(inv_os);
1186                 UASSERT(inv_os.str() == serialized_inventory_2);
1187         }
1188 };
1189
1190 /*
1191         NOTE: These tests became non-working then NodeContainer was removed.
1192               These should be redone, utilizing some kind of a virtual
1193                   interface for Map (IMap would be fine).
1194 */
1195 #if 0
1196 struct TestMapBlock: public TestBase
1197 {
1198         class TC : public NodeContainer
1199         {
1200         public:
1201
1202                 MapNode node;
1203                 bool position_valid;
1204                 core::list<v3s16> validity_exceptions;
1205
1206                 TC()
1207                 {
1208                         position_valid = true;
1209                 }
1210
1211                 virtual bool isValidPosition(v3s16 p)
1212                 {
1213                         //return position_valid ^ (p==position_valid_exception);
1214                         bool exception = false;
1215                         for(core::list<v3s16>::Iterator i=validity_exceptions.begin();
1216                                         i != validity_exceptions.end(); i++)
1217                         {
1218                                 if(p == *i)
1219                                 {
1220                                         exception = true;
1221                                         break;
1222                                 }
1223                         }
1224                         return exception ? !position_valid : position_valid;
1225                 }
1226
1227                 virtual MapNode getNode(v3s16 p)
1228                 {
1229                         if(isValidPosition(p) == false)
1230                                 throw InvalidPositionException();
1231                         return node;
1232                 }
1233
1234                 virtual void setNode(v3s16 p, MapNode & n)
1235                 {
1236                         if(isValidPosition(p) == false)
1237                                 throw InvalidPositionException();
1238                 };
1239
1240                 virtual u16 nodeContainerId() const
1241                 {
1242                         return 666;
1243                 }
1244         };
1245
1246         void Run()
1247         {
1248                 TC parent;
1249
1250                 MapBlock b(&parent, v3s16(1,1,1));
1251                 v3s16 relpos(MAP_BLOCKSIZE, MAP_BLOCKSIZE, MAP_BLOCKSIZE);
1252
1253                 UASSERT(b.getPosRelative() == relpos);
1254
1255                 UASSERT(b.getBox().MinEdge.X == MAP_BLOCKSIZE);
1256                 UASSERT(b.getBox().MaxEdge.X == MAP_BLOCKSIZE*2-1);
1257                 UASSERT(b.getBox().MinEdge.Y == MAP_BLOCKSIZE);
1258                 UASSERT(b.getBox().MaxEdge.Y == MAP_BLOCKSIZE*2-1);
1259                 UASSERT(b.getBox().MinEdge.Z == MAP_BLOCKSIZE);
1260                 UASSERT(b.getBox().MaxEdge.Z == MAP_BLOCKSIZE*2-1);
1261
1262                 UASSERT(b.isValidPosition(v3s16(0,0,0)) == true);
1263                 UASSERT(b.isValidPosition(v3s16(-1,0,0)) == false);
1264                 UASSERT(b.isValidPosition(v3s16(-1,-142,-2341)) == false);
1265                 UASSERT(b.isValidPosition(v3s16(-124,142,2341)) == false);
1266                 UASSERT(b.isValidPosition(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1)) == true);
1267                 UASSERT(b.isValidPosition(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE,MAP_BLOCKSIZE-1)) == false);
1268
1269                 /*
1270                         TODO: this method should probably be removed
1271                         if the block size isn't going to be set variable
1272                 */
1273                 /*UASSERT(b.getSizeNodes() == v3s16(MAP_BLOCKSIZE,
1274                                 MAP_BLOCKSIZE, MAP_BLOCKSIZE));*/
1275
1276                 // Changed flag should be initially set
1277                 UASSERT(b.getModified() == MOD_STATE_WRITE_NEEDED);
1278                 b.resetModified();
1279                 UASSERT(b.getModified() == MOD_STATE_CLEAN);
1280
1281                 // All nodes should have been set to
1282                 // .d=CONTENT_IGNORE and .getLight() = 0
1283                 for(u16 z=0; z<MAP_BLOCKSIZE; z++)
1284                 for(u16 y=0; y<MAP_BLOCKSIZE; y++)
1285                 for(u16 x=0; x<MAP_BLOCKSIZE; x++)
1286                 {
1287                         //UASSERT(b.getNode(v3s16(x,y,z)).getContent() == CONTENT_AIR);
1288                         UASSERT(b.getNode(v3s16(x,y,z)).getContent() == CONTENT_IGNORE);
1289                         UASSERT(b.getNode(v3s16(x,y,z)).getLight(LIGHTBANK_DAY) == 0);
1290                         UASSERT(b.getNode(v3s16(x,y,z)).getLight(LIGHTBANK_NIGHT) == 0);
1291                 }
1292
1293                 {
1294                         MapNode n(CONTENT_AIR);
1295                         for(u16 z=0; z<MAP_BLOCKSIZE; z++)
1296                         for(u16 y=0; y<MAP_BLOCKSIZE; y++)
1297                         for(u16 x=0; x<MAP_BLOCKSIZE; x++)
1298                         {
1299                                 b.setNode(v3s16(x,y,z), n);
1300                         }
1301                 }
1302
1303                 /*
1304                         Parent fetch functions
1305                 */
1306                 parent.position_valid = false;
1307                 parent.node.setContent(5);
1308
1309                 MapNode n;
1310
1311                 // Positions in the block should still be valid
1312                 UASSERT(b.isValidPositionParent(v3s16(0,0,0)) == true);
1313                 UASSERT(b.isValidPositionParent(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1)) == true);
1314                 n = b.getNodeParent(v3s16(0,MAP_BLOCKSIZE-1,0));
1315                 UASSERT(n.getContent() == CONTENT_AIR);
1316
1317                 // ...but outside the block they should be invalid
1318                 UASSERT(b.isValidPositionParent(v3s16(-121,2341,0)) == false);
1319                 UASSERT(b.isValidPositionParent(v3s16(-1,0,0)) == false);
1320                 UASSERT(b.isValidPositionParent(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE)) == false);
1321
1322                 {
1323                         bool exception_thrown = false;
1324                         try{
1325                                 // This should throw an exception
1326                                 MapNode n = b.getNodeParent(v3s16(0,0,-1));
1327                         }
1328                         catch(InvalidPositionException &e)
1329                         {
1330                                 exception_thrown = true;
1331                         }
1332                         UASSERT(exception_thrown);
1333                 }
1334
1335                 parent.position_valid = true;
1336                 // Now the positions outside should be valid
1337                 UASSERT(b.isValidPositionParent(v3s16(-121,2341,0)) == true);
1338                 UASSERT(b.isValidPositionParent(v3s16(-1,0,0)) == true);
1339                 UASSERT(b.isValidPositionParent(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE)) == true);
1340                 n = b.getNodeParent(v3s16(0,0,MAP_BLOCKSIZE));
1341                 UASSERT(n.getContent() == 5);
1342
1343                 /*
1344                         Set a node
1345                 */
1346                 v3s16 p(1,2,0);
1347                 n.setContent(4);
1348                 b.setNode(p, n);
1349                 UASSERT(b.getNode(p).getContent() == 4);
1350                 //TODO: Update to new system
1351                 /*UASSERT(b.getNodeTile(p) == 4);
1352                 UASSERT(b.getNodeTile(v3s16(-1,-1,0)) == 5);*/
1353
1354                 /*
1355                         propagateSunlight()
1356                 */
1357                 // Set lighting of all nodes to 0
1358                 for(u16 z=0; z<MAP_BLOCKSIZE; z++){
1359                         for(u16 y=0; y<MAP_BLOCKSIZE; y++){
1360                                 for(u16 x=0; x<MAP_BLOCKSIZE; x++){
1361                                         MapNode n = b.getNode(v3s16(x,y,z));
1362                                         n.setLight(LIGHTBANK_DAY, 0);
1363                                         n.setLight(LIGHTBANK_NIGHT, 0);
1364                                         b.setNode(v3s16(x,y,z), n);
1365                                 }
1366                         }
1367                 }
1368                 {
1369                         /*
1370                                 Check how the block handles being a lonely sky block
1371                         */
1372                         parent.position_valid = true;
1373                         b.setIsUnderground(false);
1374                         parent.node.setContent(CONTENT_AIR);
1375                         parent.node.setLight(LIGHTBANK_DAY, LIGHT_SUN);
1376                         parent.node.setLight(LIGHTBANK_NIGHT, 0);
1377                         core::map<v3s16, bool> light_sources;
1378                         // The bottom block is invalid, because we have a shadowing node
1379                         UASSERT(b.propagateSunlight(light_sources) == false);
1380                         UASSERT(b.getNode(v3s16(1,4,0)).getLight(LIGHTBANK_DAY) == LIGHT_SUN);
1381                         UASSERT(b.getNode(v3s16(1,3,0)).getLight(LIGHTBANK_DAY) == LIGHT_SUN);
1382                         UASSERT(b.getNode(v3s16(1,2,0)).getLight(LIGHTBANK_DAY) == 0);
1383                         UASSERT(b.getNode(v3s16(1,1,0)).getLight(LIGHTBANK_DAY) == 0);
1384                         UASSERT(b.getNode(v3s16(1,0,0)).getLight(LIGHTBANK_DAY) == 0);
1385                         UASSERT(b.getNode(v3s16(1,2,3)).getLight(LIGHTBANK_DAY) == LIGHT_SUN);
1386                         UASSERT(b.getFaceLight2(1000, p, v3s16(0,1,0)) == LIGHT_SUN);
1387                         UASSERT(b.getFaceLight2(1000, p, v3s16(0,-1,0)) == 0);
1388                         UASSERT(b.getFaceLight2(0, p, v3s16(0,-1,0)) == 0);
1389                         // According to MapBlock::getFaceLight,
1390                         // The face on the z+ side should have double-diminished light
1391                         //UASSERT(b.getFaceLight(p, v3s16(0,0,1)) == diminish_light(diminish_light(LIGHT_MAX)));
1392                         // The face on the z+ side should have diminished light
1393                         UASSERT(b.getFaceLight2(1000, p, v3s16(0,0,1)) == diminish_light(LIGHT_MAX));
1394                 }
1395                 /*
1396                         Check how the block handles being in between blocks with some non-sunlight
1397                         while being underground
1398                 */
1399                 {
1400                         // Make neighbours to exist and set some non-sunlight to them
1401                         parent.position_valid = true;
1402                         b.setIsUnderground(true);
1403                         parent.node.setLight(LIGHTBANK_DAY, LIGHT_MAX/2);
1404                         core::map<v3s16, bool> light_sources;
1405                         // The block below should be valid because there shouldn't be
1406                         // sunlight in there either
1407                         UASSERT(b.propagateSunlight(light_sources, true) == true);
1408                         // Should not touch nodes that are not affected (that is, all of them)
1409                         //UASSERT(b.getNode(v3s16(1,2,3)).getLight() == LIGHT_SUN);
1410                         // Should set light of non-sunlighted blocks to 0.
1411                         UASSERT(b.getNode(v3s16(1,2,3)).getLight(LIGHTBANK_DAY) == 0);
1412                 }
1413                 /*
1414                         Set up a situation where:
1415                         - There is only air in this block
1416                         - There is a valid non-sunlighted block at the bottom, and
1417                         - Invalid blocks elsewhere.
1418                         - the block is not underground.
1419
1420                         This should result in bottom block invalidity
1421                 */
1422                 {
1423                         b.setIsUnderground(false);
1424                         // Clear block
1425                         for(u16 z=0; z<MAP_BLOCKSIZE; z++){
1426                                 for(u16 y=0; y<MAP_BLOCKSIZE; y++){
1427                                         for(u16 x=0; x<MAP_BLOCKSIZE; x++){
1428                                                 MapNode n;
1429                                                 n.setContent(CONTENT_AIR);
1430                                                 n.setLight(LIGHTBANK_DAY, 0);
1431                                                 b.setNode(v3s16(x,y,z), n);
1432                                         }
1433                                 }
1434                         }
1435                         // Make neighbours invalid
1436                         parent.position_valid = false;
1437                         // Add exceptions to the top of the bottom block
1438                         for(u16 x=0; x<MAP_BLOCKSIZE; x++)
1439                         for(u16 z=0; z<MAP_BLOCKSIZE; z++)
1440                         {
1441                                 parent.validity_exceptions.push_back(v3s16(MAP_BLOCKSIZE+x, MAP_BLOCKSIZE-1, MAP_BLOCKSIZE+z));
1442                         }
1443                         // Lighting value for the valid nodes
1444                         parent.node.setLight(LIGHTBANK_DAY, LIGHT_MAX/2);
1445                         core::map<v3s16, bool> light_sources;
1446                         // Bottom block is not valid
1447                         UASSERT(b.propagateSunlight(light_sources) == false);
1448                 }
1449         }
1450 };
1451
1452 struct TestMapSector: public TestBase
1453 {
1454         class TC : public NodeContainer
1455         {
1456         public:
1457
1458                 MapNode node;
1459                 bool position_valid;
1460
1461                 TC()
1462                 {
1463                         position_valid = true;
1464                 }
1465
1466                 virtual bool isValidPosition(v3s16 p)
1467                 {
1468                         return position_valid;
1469                 }
1470
1471                 virtual MapNode getNode(v3s16 p)
1472                 {
1473                         if(position_valid == false)
1474                                 throw InvalidPositionException();
1475                         return node;
1476                 }
1477
1478                 virtual void setNode(v3s16 p, MapNode & n)
1479                 {
1480                         if(position_valid == false)
1481                                 throw InvalidPositionException();
1482                 };
1483
1484                 virtual u16 nodeContainerId() const
1485                 {
1486                         return 666;
1487                 }
1488         };
1489
1490         void Run()
1491         {
1492                 TC parent;
1493                 parent.position_valid = false;
1494
1495                 // Create one with no heightmaps
1496                 ServerMapSector sector(&parent, v2s16(1,1));
1497
1498                 UASSERT(sector.getBlockNoCreateNoEx(0) == 0);
1499                 UASSERT(sector.getBlockNoCreateNoEx(1) == 0);
1500
1501                 MapBlock * bref = sector.createBlankBlock(-2);
1502
1503                 UASSERT(sector.getBlockNoCreateNoEx(0) == 0);
1504                 UASSERT(sector.getBlockNoCreateNoEx(-2) == bref);
1505
1506                 //TODO: Check for AlreadyExistsException
1507
1508                 /*bool exception_thrown = false;
1509                 try{
1510                         sector.getBlock(0);
1511                 }
1512                 catch(InvalidPositionException &e){
1513                         exception_thrown = true;
1514                 }
1515                 UASSERT(exception_thrown);*/
1516
1517         }
1518 };
1519 #endif
1520
1521 struct TestCollision: public TestBase
1522 {
1523         void Run()
1524         {
1525                 /*
1526                         axisAlignedCollision
1527                 */
1528
1529                 for(s16 bx = -3; bx <= 3; bx++)
1530                 for(s16 by = -3; by <= 3; by++)
1531                 for(s16 bz = -3; bz <= 3; bz++)
1532                 {
1533                         // X-
1534                         {
1535                                 aabb3f s(bx, by, bz, bx+1, by+1, bz+1);
1536                                 aabb3f m(bx-2, by, bz, bx-1, by+1, bz+1);
1537                                 v3f v(1, 0, 0);
1538                                 f32 dtime = 0;
1539                                 UASSERT(axisAlignedCollision(s, m, v, 0, dtime) == 0);
1540                                 UASSERT(fabs(dtime - 1.000) < 0.001);
1541                         }
1542                         {
1543                                 aabb3f s(bx, by, bz, bx+1, by+1, bz+1);
1544                                 aabb3f m(bx-2, by, bz, bx-1, by+1, bz+1);
1545                                 v3f v(-1, 0, 0);
1546                                 f32 dtime = 0;
1547                                 UASSERT(axisAlignedCollision(s, m, v, 0, dtime) == -1);
1548                         }
1549                         {
1550                                 aabb3f s(bx, by, bz, bx+1, by+1, bz+1);
1551                                 aabb3f m(bx-2, by+1.5, bz, bx-1, by+2.5, bz-1);
1552                                 v3f v(1, 0, 0);
1553                                 f32 dtime;
1554                                 UASSERT(axisAlignedCollision(s, m, v, 0, dtime) == -1);
1555                         }
1556                         {
1557                                 aabb3f s(bx, by, bz, bx+1, by+1, bz+1);
1558                                 aabb3f m(bx-2, by-1.5, bz, bx-1.5, by+0.5, bz+1);
1559                                 v3f v(0.5, 0.1, 0);
1560                                 f32 dtime;
1561                                 UASSERT(axisAlignedCollision(s, m, v, 0, dtime) == 0);
1562                                 UASSERT(fabs(dtime - 3.000) < 0.001);
1563                         }
1564                         {
1565                                 aabb3f s(bx, by, bz, bx+1, by+1, bz+1);
1566                                 aabb3f m(bx-2, by-1.5, bz, bx-1.5, by+0.5, bz+1);
1567                                 v3f v(0.5, 0.1, 0);
1568                                 f32 dtime;
1569                                 UASSERT(axisAlignedCollision(s, m, v, 0, dtime) == 0);
1570                                 UASSERT(fabs(dtime - 3.000) < 0.001);
1571                         }
1572
1573                         // X+
1574                         {
1575                                 aabb3f s(bx, by, bz, bx+1, by+1, bz+1);
1576                                 aabb3f m(bx+2, by, bz, bx+3, by+1, bz+1);
1577                                 v3f v(-1, 0, 0);
1578                                 f32 dtime;
1579                                 UASSERT(axisAlignedCollision(s, m, v, 0, dtime) == 0);
1580                                 UASSERT(fabs(dtime - 1.000) < 0.001);
1581                         }
1582                         {
1583                                 aabb3f s(bx, by, bz, bx+1, by+1, bz+1);
1584                                 aabb3f m(bx+2, by, bz, bx+3, by+1, bz+1);
1585                                 v3f v(1, 0, 0);
1586                                 f32 dtime;
1587                                 UASSERT(axisAlignedCollision(s, m, v, 0, dtime) == -1);
1588                         }
1589                         {
1590                                 aabb3f s(bx, by, bz, bx+1, by+1, bz+1);
1591                                 aabb3f m(bx+2, by, bz+1.5, bx+3, by+1, bz+3.5);
1592                                 v3f v(-1, 0, 0);
1593                                 f32 dtime;
1594                                 UASSERT(axisAlignedCollision(s, m, v, 0, dtime) == -1);
1595                         }
1596                         {
1597                                 aabb3f s(bx, by, bz, bx+1, by+1, bz+1);
1598                                 aabb3f m(bx+2, by-1.5, bz, bx+2.5, by-0.5, bz+1);
1599                                 v3f v(-0.5, 0.2, 0);
1600                                 f32 dtime;
1601                                 UASSERT(axisAlignedCollision(s, m, v, 0, dtime) == 1);  // Y, not X!
1602                                 UASSERT(fabs(dtime - 2.500) < 0.001);
1603                         }
1604                         {
1605                                 aabb3f s(bx, by, bz, bx+1, by+1, bz+1);
1606                                 aabb3f m(bx+2, by-1.5, bz, bx+2.5, by-0.5, bz+1);
1607                                 v3f v(-0.5, 0.3, 0);
1608                                 f32 dtime;
1609                                 UASSERT(axisAlignedCollision(s, m, v, 0, dtime) == 0);
1610                                 UASSERT(fabs(dtime - 2.000) < 0.001);
1611                         }
1612
1613                         // TODO: Y-, Y+, Z-, Z+
1614
1615                         // misc
1616                         {
1617                                 aabb3f s(bx, by, bz, bx+2, by+2, bz+2);
1618                                 aabb3f m(bx+2.3, by+2.29, bz+2.29, bx+4.2, by+4.2, bz+4.2);
1619                                 v3f v(-1./3, -1./3, -1./3);
1620                                 f32 dtime;
1621                                 UASSERT(axisAlignedCollision(s, m, v, 0, dtime) == 0);
1622                                 UASSERT(fabs(dtime - 0.9) < 0.001);
1623                         }
1624                         {
1625                                 aabb3f s(bx, by, bz, bx+2, by+2, bz+2);
1626                                 aabb3f m(bx+2.29, by+2.3, bz+2.29, bx+4.2, by+4.2, bz+4.2);
1627                                 v3f v(-1./3, -1./3, -1./3);
1628                                 f32 dtime;
1629                                 UASSERT(axisAlignedCollision(s, m, v, 0, dtime) == 1);
1630                                 UASSERT(fabs(dtime - 0.9) < 0.001);
1631                         }
1632                         {
1633                                 aabb3f s(bx, by, bz, bx+2, by+2, bz+2);
1634                                 aabb3f m(bx+2.29, by+2.29, bz+2.3, bx+4.2, by+4.2, bz+4.2);
1635                                 v3f v(-1./3, -1./3, -1./3);
1636                                 f32 dtime;
1637                                 UASSERT(axisAlignedCollision(s, m, v, 0, dtime) == 2);
1638                                 UASSERT(fabs(dtime - 0.9) < 0.001);
1639                         }
1640                         {
1641                                 aabb3f s(bx, by, bz, bx+2, by+2, bz+2);
1642                                 aabb3f m(bx-4.2, by-4.2, bz-4.2, bx-2.3, by-2.29, bz-2.29);
1643                                 v3f v(1./7, 1./7, 1./7);
1644                                 f32 dtime;
1645                                 UASSERT(axisAlignedCollision(s, m, v, 0, dtime) == 0);
1646                                 UASSERT(fabs(dtime - 16.1) < 0.001);
1647                         }
1648                         {
1649                                 aabb3f s(bx, by, bz, bx+2, by+2, bz+2);
1650                                 aabb3f m(bx-4.2, by-4.2, bz-4.2, bx-2.29, by-2.3, bz-2.29);
1651                                 v3f v(1./7, 1./7, 1./7);
1652                                 f32 dtime;
1653                                 UASSERT(axisAlignedCollision(s, m, v, 0, dtime) == 1);
1654                                 UASSERT(fabs(dtime - 16.1) < 0.001);
1655                         }
1656                         {
1657                                 aabb3f s(bx, by, bz, bx+2, by+2, bz+2);
1658                                 aabb3f m(bx-4.2, by-4.2, bz-4.2, bx-2.29, by-2.29, bz-2.3);
1659                                 v3f v(1./7, 1./7, 1./7);
1660                                 f32 dtime;
1661                                 UASSERT(axisAlignedCollision(s, m, v, 0, dtime) == 2);
1662                                 UASSERT(fabs(dtime - 16.1) < 0.001);
1663                         }
1664                 }
1665         }
1666 };
1667
1668 struct TestSocket: public TestBase
1669 {
1670         void Run()
1671         {
1672                 const int port = 30003;
1673                 Address address(0,0,0,0, port);
1674                 Address address6((IPv6AddressBytes*) NULL, port);
1675
1676                 // IPv6 socket test
1677                 {
1678                         UDPSocket socket6;
1679
1680                         if (!socket6.init(true, true)) {
1681                                 /* Note: Failing to create an IPv6 socket is not technically an
1682                                    error because the OS may not support IPv6 or it may
1683                                    have been disabled. IPv6 is not /required/ by
1684                                    minetest and therefore this should not cause the unit
1685                                    test to fail
1686                                 */
1687                                 dstream << "WARNING: IPv6 socket creation failed (unit test)"
1688                                         << std::endl;
1689                         } else {
1690                                 const char sendbuffer[] = "hello world!";
1691                                 IPv6AddressBytes bytes;
1692                                 bytes.bytes[15] = 1;
1693
1694                                 socket6.Bind(address6);
1695
1696                                 try {
1697                                         socket6.Send(Address(&bytes, port), sendbuffer, sizeof(sendbuffer));
1698
1699                                         sleep_ms(50);
1700
1701                                         char rcvbuffer[256] = { 0 };
1702                                         Address sender;
1703
1704                                         for(;;) {
1705                                                 if (socket6.Receive(sender, rcvbuffer, sizeof(rcvbuffer )) < 0)
1706                                                         break;
1707                                         }
1708                                         //FIXME: This fails on some systems
1709                                         UASSERT(strncmp(sendbuffer, rcvbuffer, sizeof(sendbuffer)) == 0);
1710                                         UASSERT(memcmp(sender.getAddress6().sin6_addr.s6_addr,
1711                                                         Address(&bytes, 0).getAddress6().sin6_addr.s6_addr, 16) == 0);
1712                                 }
1713                                 catch (SendFailedException e) {
1714                                         errorstream << "IPv6 support enabled but not available!"
1715                                                     << std::endl;
1716                                 }
1717                         }
1718                 }
1719
1720                 // IPv4 socket test
1721                 {
1722                         UDPSocket socket(false);
1723                         socket.Bind(address);
1724
1725                         const char sendbuffer[] = "hello world!";
1726                         socket.Send(Address(127, 0, 0 ,1, port), sendbuffer, sizeof(sendbuffer));
1727
1728                         sleep_ms(50);
1729
1730                         char rcvbuffer[256] = { 0 };
1731                         Address sender;
1732                         for(;;) {
1733                                 if (socket.Receive(sender, rcvbuffer, sizeof(rcvbuffer)) < 0)
1734                                         break;
1735                         }
1736                         //FIXME: This fails on some systems
1737                         UASSERT(strncmp(sendbuffer, rcvbuffer, sizeof(sendbuffer)) == 0);
1738                         UASSERT(sender.getAddress().sin_addr.s_addr ==
1739                                         Address(127, 0, 0, 1, 0).getAddress().sin_addr.s_addr);
1740                 }
1741         }
1742 };
1743
1744 struct TestConnection: public TestBase
1745 {
1746         void TestHelpers()
1747         {
1748                 /*
1749                         Test helper functions
1750                 */
1751
1752                 // Some constants for testing
1753                 u32 proto_id = 0x12345678;
1754                 u16 peer_id = 123;
1755                 u8 channel = 2;
1756                 SharedBuffer<u8> data1(1);
1757                 data1[0] = 100;
1758                 Address a(127,0,0,1, 10);
1759                 const u16 seqnum = 34352;
1760
1761                 con::BufferedPacket p1 = con::makePacket(a, data1,
1762                                 proto_id, peer_id, channel);
1763                 /*
1764                         We should now have a packet with this data:
1765                         Header:
1766                                 [0] u32 protocol_id
1767                                 [4] u16 sender_peer_id
1768                                 [6] u8 channel
1769                         Data:
1770                                 [7] u8 data1[0]
1771                 */
1772                 UASSERT(readU32(&p1.data[0]) == proto_id);
1773                 UASSERT(readU16(&p1.data[4]) == peer_id);
1774                 UASSERT(readU8(&p1.data[6]) == channel);
1775                 UASSERT(readU8(&p1.data[7]) == data1[0]);
1776
1777                 //infostream<<"initial data1[0]="<<((u32)data1[0]&0xff)<<std::endl;
1778
1779                 SharedBuffer<u8> p2 = con::makeReliablePacket(data1, seqnum);
1780
1781                 /*infostream<<"p2.getSize()="<<p2.getSize()<<", data1.getSize()="
1782                                 <<data1.getSize()<<std::endl;
1783                 infostream<<"readU8(&p2[3])="<<readU8(&p2[3])
1784                                 <<" p2[3]="<<((u32)p2[3]&0xff)<<std::endl;
1785                 infostream<<"data1[0]="<<((u32)data1[0]&0xff)<<std::endl;*/
1786
1787                 UASSERT(p2.getSize() == 3 + data1.getSize());
1788                 UASSERT(readU8(&p2[0]) == TYPE_RELIABLE);
1789                 UASSERT(readU16(&p2[1]) == seqnum);
1790                 UASSERT(readU8(&p2[3]) == data1[0]);
1791         }
1792
1793         struct Handler : public con::PeerHandler
1794         {
1795                 Handler(const char *a_name)
1796                 {
1797                         count = 0;
1798                         last_id = 0;
1799                         name = a_name;
1800                 }
1801                 void peerAdded(con::Peer *peer)
1802                 {
1803                         infostream<<"Handler("<<name<<")::peerAdded(): "
1804                                         "id="<<peer->id<<std::endl;
1805                         last_id = peer->id;
1806                         count++;
1807                 }
1808                 void deletingPeer(con::Peer *peer, bool timeout)
1809                 {
1810                         infostream<<"Handler("<<name<<")::deletingPeer(): "
1811                                         "id="<<peer->id
1812                                         <<", timeout="<<timeout<<std::endl;
1813                         last_id = peer->id;
1814                         count--;
1815                 }
1816
1817                 s32 count;
1818                 u16 last_id;
1819                 const char *name;
1820         };
1821
1822         void Run()
1823         {
1824                 DSTACK("TestConnection::Run");
1825
1826                 TestHelpers();
1827
1828                 /*
1829                         Test some real connections
1830
1831                         NOTE: This mostly tests the legacy interface.
1832                 */
1833
1834                 u32 proto_id = 0xad26846a;
1835
1836                 Handler hand_server("server");
1837                 Handler hand_client("client");
1838
1839                 infostream<<"** Creating server Connection"<<std::endl;
1840                 con::Connection server(proto_id, 512, 5.0, false, &hand_server);
1841                 Address address(0,0,0,0, 30001);
1842                 server.Serve(address);
1843
1844                 infostream<<"** Creating client Connection"<<std::endl;
1845                 con::Connection client(proto_id, 512, 5.0, false, &hand_client);
1846
1847                 UASSERT(hand_server.count == 0);
1848                 UASSERT(hand_client.count == 0);
1849
1850                 sleep_ms(50);
1851
1852                 Address server_address(127,0,0,1, 30001);
1853                 infostream<<"** running client.Connect()"<<std::endl;
1854                 client.Connect(server_address);
1855
1856                 sleep_ms(50);
1857
1858                 // Client should not have added client yet
1859                 UASSERT(hand_client.count == 0);
1860
1861                 try
1862                 {
1863                         u16 peer_id;
1864                         SharedBuffer<u8> data;
1865                         infostream<<"** running client.Receive()"<<std::endl;
1866                         u32 size = client.Receive(peer_id, data);
1867                         infostream<<"** Client received: peer_id="<<peer_id
1868                                         <<", size="<<size
1869                                         <<std::endl;
1870                 }
1871                 catch(con::NoIncomingDataException &e)
1872                 {
1873                 }
1874
1875                 // Client should have added server now
1876                 UASSERT(hand_client.count == 1);
1877                 UASSERT(hand_client.last_id == 1);
1878                 // Server should not have added client yet
1879                 UASSERT(hand_server.count == 0);
1880
1881                 sleep_ms(100);
1882
1883                 try
1884                 {
1885                         u16 peer_id;
1886                         SharedBuffer<u8> data;
1887                         infostream<<"** running server.Receive()"<<std::endl;
1888                         u32 size = server.Receive(peer_id, data);
1889                         infostream<<"** Server received: peer_id="<<peer_id
1890                                         <<", size="<<size
1891                                         <<std::endl;
1892                 }
1893                 catch(con::NoIncomingDataException &e)
1894                 {
1895                         // No actual data received, but the client has
1896                         // probably been connected
1897                 }
1898
1899                 // Client should be the same
1900                 UASSERT(hand_client.count == 1);
1901                 UASSERT(hand_client.last_id == 1);
1902                 // Server should have the client
1903                 UASSERT(hand_server.count == 1);
1904                 UASSERT(hand_server.last_id == 2);
1905
1906                 //sleep_ms(50);
1907
1908                 while(client.Connected() == false)
1909                 {
1910                         try
1911                         {
1912                                 u16 peer_id;
1913                                 SharedBuffer<u8> data;
1914                                 infostream<<"** running client.Receive()"<<std::endl;
1915                                 u32 size = client.Receive(peer_id, data);
1916                                 infostream<<"** Client received: peer_id="<<peer_id
1917                                                 <<", size="<<size
1918                                                 <<std::endl;
1919                         }
1920                         catch(con::NoIncomingDataException &e)
1921                         {
1922                         }
1923                         sleep_ms(50);
1924                 }
1925
1926                 sleep_ms(50);
1927
1928                 try
1929                 {
1930                         u16 peer_id;
1931                         SharedBuffer<u8> data;
1932                         infostream<<"** running server.Receive()"<<std::endl;
1933                         u32 size = server.Receive(peer_id, data);
1934                         infostream<<"** Server received: peer_id="<<peer_id
1935                                         <<", size="<<size
1936                                         <<std::endl;
1937                 }
1938                 catch(con::NoIncomingDataException &e)
1939                 {
1940                 }
1941 #if 1
1942                 /*
1943                         Simple send-receive test
1944                 */
1945                 {
1946                         /*u8 data[] = "Hello World!";
1947                         u32 datasize = sizeof(data);*/
1948                         SharedBuffer<u8> data = SharedBufferFromString("Hello World!");
1949
1950                         infostream<<"** running client.Send()"<<std::endl;
1951                         client.Send(PEER_ID_SERVER, 0, data, true);
1952
1953                         sleep_ms(50);
1954
1955                         u16 peer_id;
1956                         SharedBuffer<u8> recvdata;
1957                         infostream<<"** running server.Receive()"<<std::endl;
1958                         u32 size = server.Receive(peer_id, recvdata);
1959                         infostream<<"** Server received: peer_id="<<peer_id
1960                                         <<", size="<<size
1961                                         <<", data="<<*data
1962                                         <<std::endl;
1963                         UASSERT(memcmp(*data, *recvdata, data.getSize()) == 0);
1964                 }
1965 #endif
1966                 u16 peer_id_client = 2;
1967 #if 0
1968                 /*
1969                         Send consequent packets in different order
1970                         Not compatible with new Connection, thus commented out.
1971                 */
1972                 {
1973                         //u8 data1[] = "hello1";
1974                         //u8 data2[] = "hello2";
1975                         SharedBuffer<u8> data1 = SharedBufferFromString("hello1");
1976                         SharedBuffer<u8> data2 = SharedBufferFromString("Hello2");
1977
1978                         Address client_address =
1979                                         server.GetPeerAddress(peer_id_client);
1980
1981                         infostream<<"*** Sending packets in wrong order (2,1,2)"
1982                                         <<std::endl;
1983
1984                         u8 chn = 0;
1985                         con::Channel *ch = &server.getPeer(peer_id_client)->channels[chn];
1986                         u16 sn = ch->next_outgoing_seqnum;
1987                         ch->next_outgoing_seqnum = sn+1;
1988                         server.Send(peer_id_client, chn, data2, true);
1989                         ch->next_outgoing_seqnum = sn;
1990                         server.Send(peer_id_client, chn, data1, true);
1991                         ch->next_outgoing_seqnum = sn+1;
1992                         server.Send(peer_id_client, chn, data2, true);
1993
1994                         sleep_ms(50);
1995
1996                         infostream<<"*** Receiving the packets"<<std::endl;
1997
1998                         u16 peer_id;
1999                         SharedBuffer<u8> recvdata;
2000                         u32 size;
2001
2002                         infostream<<"** running client.Receive()"<<std::endl;
2003                         peer_id = 132;
2004                         size = client.Receive(peer_id, recvdata);
2005                         infostream<<"** Client received: peer_id="<<peer_id
2006                                         <<", size="<<size
2007                                         <<", data="<<*recvdata
2008                                         <<std::endl;
2009                         UASSERT(size == data1.getSize());
2010                         UASSERT(memcmp(*data1, *recvdata, data1.getSize()) == 0);
2011                         UASSERT(peer_id == PEER_ID_SERVER);
2012
2013                         infostream<<"** running client.Receive()"<<std::endl;
2014                         peer_id = 132;
2015                         size = client.Receive(peer_id, recvdata);
2016                         infostream<<"** Client received: peer_id="<<peer_id
2017                                         <<", size="<<size
2018                                         <<", data="<<*recvdata
2019                                         <<std::endl;
2020                         UASSERT(size == data2.getSize());
2021                         UASSERT(memcmp(*data2, *recvdata, data2.getSize()) == 0);
2022                         UASSERT(peer_id == PEER_ID_SERVER);
2023
2024                         bool got_exception = false;
2025                         try
2026                         {
2027                                 infostream<<"** running client.Receive()"<<std::endl;
2028                                 peer_id = 132;
2029                                 size = client.Receive(peer_id, recvdata);
2030                                 infostream<<"** Client received: peer_id="<<peer_id
2031                                                 <<", size="<<size
2032                                                 <<", data="<<*recvdata
2033                                                 <<std::endl;
2034                         }
2035                         catch(con::NoIncomingDataException &e)
2036                         {
2037                                 infostream<<"** No incoming data for client"<<std::endl;
2038                                 got_exception = true;
2039                         }
2040                         UASSERT(got_exception);
2041                 }
2042 #endif
2043 #if 0
2044                 /*
2045                         Send large amounts of packets (infinite test)
2046                         Commented out because of infinity.
2047                 */
2048                 {
2049                         infostream<<"Sending large amounts of packets (infinite test)"<<std::endl;
2050                         int sendcount = 0;
2051                         for(;;){
2052                                 int datasize = myrand_range(0,5)==0?myrand_range(100,10000):myrand_range(0,100);
2053                                 infostream<<"datasize="<<datasize<<std::endl;
2054                                 SharedBuffer<u8> data1(datasize);
2055                                 for(u16 i=0; i<datasize; i++)
2056                                         data1[i] = i/4;
2057
2058                                 int sendtimes = myrand_range(1,10);
2059                                 for(int i=0; i<sendtimes; i++){
2060                                         server.Send(peer_id_client, 0, data1, true);
2061                                         sendcount++;
2062                                 }
2063                                 infostream<<"sendcount="<<sendcount<<std::endl;
2064
2065                                 //int receivetimes = myrand_range(1,20);
2066                                 int receivetimes = 20;
2067                                 for(int i=0; i<receivetimes; i++){
2068                                         SharedBuffer<u8> recvdata;
2069                                         u16 peer_id = 132;
2070                                         u16 size = 0;
2071                                         bool received = false;
2072                                         try{
2073                                                 size = client.Receive(peer_id, recvdata);
2074                                                 received = true;
2075                                         }catch(con::NoIncomingDataException &e){
2076                                         }
2077                                 }
2078                         }
2079                 }
2080 #endif
2081                 /*
2082                         Send a large packet
2083                 */
2084                 {
2085                         const int datasize = 30000;
2086                         SharedBuffer<u8> data1(datasize);
2087                         for(u16 i=0; i<datasize; i++){
2088                                 data1[i] = i/4;
2089                         }
2090
2091                         infostream<<"Sending data (size="<<datasize<<"):";
2092                         for(int i=0; i<datasize && i<20; i++){
2093                                 if(i%2==0) infostream<<" ";
2094                                 char buf[10];
2095                                 snprintf(buf, 10, "%.2X", ((int)((const char*)*data1)[i])&0xff);
2096                                 infostream<<buf;
2097                         }
2098                         if(datasize>20)
2099                                 infostream<<"...";
2100                         infostream<<std::endl;
2101
2102                         server.Send(peer_id_client, 0, data1, true);
2103
2104                         //sleep_ms(3000);
2105
2106                         SharedBuffer<u8> recvdata;
2107                         infostream<<"** running client.Receive()"<<std::endl;
2108                         u16 peer_id = 132;
2109                         u16 size = 0;
2110                         bool received = false;
2111                         u32 timems0 = porting::getTimeMs();
2112                         for(;;){
2113                                 if(porting::getTimeMs() - timems0 > 5000 || received)
2114                                         break;
2115                                 try{
2116                                         size = client.Receive(peer_id, recvdata);
2117                                         received = true;
2118                                 }catch(con::NoIncomingDataException &e){
2119                                 }
2120                                 sleep_ms(10);
2121                         }
2122                         UASSERT(received);
2123                         infostream<<"** Client received: peer_id="<<peer_id
2124                                         <<", size="<<size
2125                                         <<std::endl;
2126
2127                         infostream<<"Received data (size="<<size<<"): ";
2128                         for(int i=0; i<size && i<20; i++){
2129                                 if(i%2==0) infostream<<" ";
2130                                 char buf[10];
2131                                 snprintf(buf, 10, "%.2X", ((int)(recvdata[i]))&0xff);
2132                                 infostream<<buf;
2133                         }
2134                         if(size>20)
2135                                 infostream<<"...";
2136                         infostream<<std::endl;
2137
2138                         UASSERT(memcmp(*data1, *recvdata, data1.getSize()) == 0);
2139                         UASSERT(peer_id == PEER_ID_SERVER);
2140                 }
2141
2142                 // Check peer handlers
2143                 UASSERT(hand_client.count == 1);
2144                 UASSERT(hand_client.last_id == 1);
2145                 UASSERT(hand_server.count == 1);
2146                 UASSERT(hand_server.last_id == 2);
2147
2148                 //assert(0);
2149         }
2150 };
2151
2152 #define TEST(X) do {\
2153         X x;\
2154         infostream<<"Running " #X <<std::endl;\
2155         x.Run();\
2156         tests_run++;\
2157         tests_failed += x.test_failed ? 1 : 0;\
2158 } while (0)
2159
2160 #define TESTPARAMS(X, ...) do {\
2161         X x;\
2162         infostream<<"Running " #X <<std::endl;\
2163         x.Run(__VA_ARGS__);\
2164         tests_run++;\
2165         tests_failed += x.test_failed ? 1 : 0;\
2166 } while (0)
2167
2168 void run_tests()
2169 {
2170         DSTACK(__FUNCTION_NAME);
2171
2172         int tests_run = 0;
2173         int tests_failed = 0;
2174
2175         // Create item and node definitions
2176         IWritableItemDefManager *idef = createItemDefManager();
2177         IWritableNodeDefManager *ndef = createNodeDefManager();
2178         define_some_nodes(idef, ndef);
2179
2180         infostream<<"run_tests() started"<<std::endl;
2181         TEST(TestUtilities);
2182         TEST(TestPath);
2183         TEST(TestSettings);
2184         TEST(TestCompress);
2185         TEST(TestSerialization);
2186         TEST(TestNodedefSerialization);
2187         TESTPARAMS(TestMapNode, ndef);
2188         TESTPARAMS(TestVoxelManipulator, ndef);
2189         TESTPARAMS(TestVoxelAlgorithms, ndef);
2190         TESTPARAMS(TestInventory, idef);
2191         //TEST(TestMapBlock);
2192         //TEST(TestMapSector);
2193         TEST(TestCollision);
2194         if(INTERNET_SIMULATOR == false){
2195                 TEST(TestSocket);
2196                 dout_con<<"=== BEGIN RUNNING UNIT TESTS FOR CONNECTION ==="<<std::endl;
2197                 TEST(TestConnection);
2198                 dout_con<<"=== END RUNNING UNIT TESTS FOR CONNECTION ==="<<std::endl;
2199         }
2200
2201         delete idef;
2202         delete ndef;
2203
2204         if(tests_failed == 0){
2205                 infostream<<"run_tests(): "<<tests_failed<<" / "<<tests_run<<" tests failed."<<std::endl;
2206                 infostream<<"run_tests() passed."<<std::endl;
2207                 return;
2208         } else {
2209                 errorstream<<"run_tests(): "<<tests_failed<<" / "<<tests_run<<" tests failed."<<std::endl;
2210                 errorstream<<"run_tests() aborting."<<std::endl;
2211                 abort();
2212         }
2213 }
2214