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), 12345, 5, 0.7\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 = sdfghj\n"                         \
 456         "asdf = {\n"                              \
 457         "       a   = 5\n"                            \
 458         "       bb  = 2.5\n"                          \
 459         "       ccc = \"\"\"\n"                       \
 460         "testy\n"                                 \
 461         "   testa   \n"                           \
 462         "\"\"\"\n"                                \
 463         "\n"                                      \
 464         "}\n"                                     \
 465         "blarg = \"\"\" \n"                       \
 466         "some multiline text\n"                   \
 467         "     with leading whitespace!\n"         \
 468         "\"\"\"\n"                                \
 469         "np_terrain = {\n"                        \
 470         "       octaves = 6\n"                        \
 471         "       offset = 3.5\n"                       \
 472         "       persistence = 0.7\n"                  \
 473         "       scale = 40\n"                         \
 474         "       seed = 12345\n"                       \
 475         "       spread = (250,250,250)\n"             \
 476         "}\n"                                     \
 477         "zoop = true\n"                           \
 478         "coord2 = (1,2,3.3)\n"                    \
 479         "floaty_thing_2 = 1.2\n"                  \
 480         "groupy_thing = {\n"                      \
 481         "       animals = cute\n"                     \
 482         "       animals = {\n"                        \
 483         "               cat = meow\n"                     \
 484         "               dog = woof\n"                     \
 485         "       }\n"                                  \
 486         "       num_apples = 4\n"                     \
 487         "       num_oranges = 53\n"                   \
 488         "}\n"
 489
 490 struct TestSettings: public TestBase
 491 {
 492         void Run()
 493         {
 494                 Settings s;
 495
 496                 // Test reading of settings
 497                 std::istringstream is(TEST_CONFIG_TEXT_BEFORE);
 498                 s.parseConfigLines(is);
 499
 500                 UASSERT(s.getS32("leet") == 1337);
 501                 UASSERT(s.getS16("leetleet") == 32767);
 502                 UASSERT(s.getS16("leetleet_neg") == -32768);
 503
 504                 // Not sure if 1.1 is an exact value as a float, but doesn't matter
 505                 UASSERT(fabs(s.getFloat("floaty_thing") - 1.1) < 0.001);
 506                 UASSERT(s.get("stringy_thing") == "asd /( ¤%&(/\" BLÖÄRP");
 507                 UASSERT(fabs(s.getV3F("coord").X - 1.0) < 0.001);
 508                 UASSERT(fabs(s.getV3F("coord").Y - 2.0) < 0.001);
 509                 UASSERT(fabs(s.getV3F("coord").Z - 4.5) < 0.001);
 510
 511                 // Test the setting of settings too
 512                 s.setFloat("floaty_thing_2", 1.2);
 513                 s.setV3F("coord2", v3f(1, 2, 3.3));
 514                 UASSERT(s.get("floaty_thing_2").substr(0,3) == "1.2");
 515                 UASSERT(fabs(s.getFloat("floaty_thing_2") - 1.2) < 0.001);
 516                 UASSERT(fabs(s.getV3F("coord2").X - 1.0) < 0.001);
 517                 UASSERT(fabs(s.getV3F("coord2").Y - 2.0) < 0.001);
 518                 UASSERT(fabs(s.getV3F("coord2").Z - 3.3) < 0.001);
 519
 520                 // Test settings groups
 521                 Settings *group = s.getGroup("asdf");
 522                 UASSERT(group != NULL);
 523                 UASSERT(s.getGroupNoEx("zoop", group) == false);
 524                 UASSERT(group->getS16("a") == 5);
 525                 UASSERT(fabs(group->getFloat("bb") - 2.5) < 0.001);
 526
 527                 s.set("asdf", "sdfghj");
 528
 529                 Settings *group3 = new Settings;
 530                 group3->set("cat", "meow");
 531                 group3->set("dog", "woof");
 532
 533                 Settings *group2 = new Settings;
 534                 group2->setS16("num_apples", 4);
 535                 group2->setS16("num_oranges", 53);
 536                 group2->setGroup("animals", group3);
 537                 group2->set("animals", "cute");
 538                 s.setGroup("groupy_thing", group2);
 539
 540                 // Test multiline settings
 541                 UASSERT(group->get("ccc") == "testy\n   testa   ");
 542                 s.setGroup("asdf", NULL);
 543
 544                 UASSERT(s.get("blarg") ==
 545                         "some multiline text\n"
 546                         "     with leading whitespace!");
 547
 548                 // Test NoiseParams
 549                 NoiseParams np;
 550                 UASSERT(s.getNoiseParams("np_terrain", np) == true);
 551                 UASSERT(fabs(np.offset - 5) < 0.001);
 552                 UASSERT(fabs(np.scale - 40) < 0.001);
 553                 UASSERT(fabs(np.spread.X - 250) < 0.001);
 554                 UASSERT(fabs(np.spread.Y - 250) < 0.001);
 555                 UASSERT(fabs(np.spread.Z - 250) < 0.001);
 556                 UASSERT(np.seed == 12345);
 557                 UASSERT(np.octaves == 5);
 558                 UASSERT(fabs(np.persist == 0.7) < 0.001);
 559
 560                 np.offset  = 3.5;
 561                 np.octaves = 6;
 562                 s.setNoiseParams("np_terrain", np);
 563
 564                 // Test writing
 565                 std::ostringstream os(std::ios_base::binary);
 566                 is.clear();
 567                 is.seekg(0);
 568
 569                 UASSERT(s.updateConfigObject(is, os, "", 0) == true);
 570                 //printf(">>>> expected config:\n%s\n", TEST_CONFIG_TEXT_AFTER);
 571                 //printf(">>>> actual config:\n%s\n", os.str().c_str());
 572                 UASSERT(os.str() == TEST_CONFIG_TEXT_AFTER);
 573         }
 574 };
 575
 576 struct TestSerialization: public TestBase
 577 {
 578         // To be used like this:
 579         //   mkstr("Some\0string\0with\0embedded\0nuls")
 580         // since std::string("...") doesn't work as expected in that case.
 581         template<size_t N> std::string mkstr(const char (&s)[N])
 582         {
 583                 return std::string(s, N - 1);
 584         }
 585
 586         void Run()
 587         {
 588                 // Tests some serialization primitives
 589
 590                 UASSERT(serializeString("") == mkstr("\0\0"));
 591                 UASSERT(serializeWideString(L"") == mkstr("\0\0"));
 592                 UASSERT(serializeLongString("") == mkstr("\0\0\0\0"));
 593                 UASSERT(serializeJsonString("") == "\"\"");
 594
 595                 std::string teststring = "Hello world!";
 596                 UASSERT(serializeString(teststring) ==
 597                         mkstr("\0\14Hello world!"));
 598                 UASSERT(serializeWideString(narrow_to_wide(teststring)) ==
 599                         mkstr("\0\14\0H\0e\0l\0l\0o\0 \0w\0o\0r\0l\0d\0!"));
 600                 UASSERT(serializeLongString(teststring) ==
 601                         mkstr("\0\0\0\14Hello world!"));
 602                 UASSERT(serializeJsonString(teststring) ==
 603                         "\"Hello world!\"");
 604
 605                 std::string teststring2;
 606                 std::wstring teststring2_w;
 607                 std::string teststring2_w_encoded;
 608                 {
 609                         std::ostringstream tmp_os;
 610                         std::wostringstream tmp_os_w;
 611                         std::ostringstream tmp_os_w_encoded;
 612                         for(int i = 0; i < 256; i++)
 613                         {
 614                                 tmp_os<<(char)i;
 615                                 tmp_os_w<<(wchar_t)i;
 616                                 tmp_os_w_encoded<<(char)0<<(char)i;
 617                         }
 618                         teststring2 = tmp_os.str();
 619                         teststring2_w = tmp_os_w.str();
 620                         teststring2_w_encoded = tmp_os_w_encoded.str();
 621                 }
 622                 UASSERT(serializeString(teststring2) ==
 623                         mkstr("\1\0") + teststring2);
 624                 UASSERT(serializeWideString(teststring2_w) ==
 625                         mkstr("\1\0") + teststring2_w_encoded);
 626                 UASSERT(serializeLongString(teststring2) ==
 627                         mkstr("\0\0\1\0") + teststring2);
 628                 // MSVC fails when directly using "\\\\"
 629                 std::string backslash = "\\";
 630                 UASSERT(serializeJsonString(teststring2) ==
 631                         mkstr("\"") +
 632                         "\\u0000\\u0001\\u0002\\u0003\\u0004\\u0005\\u0006\\u0007" +
 633                         "\\b\\t\\n\\u000b\\f\\r\\u000e\\u000f" +
 634                         "\\u0010\\u0011\\u0012\\u0013\\u0014\\u0015\\u0016\\u0017" +
 635                         "\\u0018\\u0019\\u001a\\u001b\\u001c\\u001d\\u001e\\u001f" +
 636                         " !\\\"" + teststring2.substr(0x23, 0x2f-0x23) +
 637                         "\\/" + teststring2.substr(0x30, 0x5c-0x30) +
 638                         backslash + backslash + teststring2.substr(0x5d, 0x7f-0x5d) + "\\u007f" +
 639                         "\\u0080\\u0081\\u0082\\u0083\\u0084\\u0085\\u0086\\u0087" +
 640                         "\\u0088\\u0089\\u008a\\u008b\\u008c\\u008d\\u008e\\u008f" +
 641                         "\\u0090\\u0091\\u0092\\u0093\\u0094\\u0095\\u0096\\u0097" +
 642                         "\\u0098\\u0099\\u009a\\u009b\\u009c\\u009d\\u009e\\u009f" +
 643                         "\\u00a0\\u00a1\\u00a2\\u00a3\\u00a4\\u00a5\\u00a6\\u00a7" +
 644                         "\\u00a8\\u00a9\\u00aa\\u00ab\\u00ac\\u00ad\\u00ae\\u00af" +
 645                         "\\u00b0\\u00b1\\u00b2\\u00b3\\u00b4\\u00b5\\u00b6\\u00b7" +
 646                         "\\u00b8\\u00b9\\u00ba\\u00bb\\u00bc\\u00bd\\u00be\\u00bf" +
 647                         "\\u00c0\\u00c1\\u00c2\\u00c3\\u00c4\\u00c5\\u00c6\\u00c7" +
 648                         "\\u00c8\\u00c9\\u00ca\\u00cb\\u00cc\\u00cd\\u00ce\\u00cf" +
 649                         "\\u00d0\\u00d1\\u00d2\\u00d3\\u00d4\\u00d5\\u00d6\\u00d7" +
 650                         "\\u00d8\\u00d9\\u00da\\u00db\\u00dc\\u00dd\\u00de\\u00df" +
 651                         "\\u00e0\\u00e1\\u00e2\\u00e3\\u00e4\\u00e5\\u00e6\\u00e7" +
 652                         "\\u00e8\\u00e9\\u00ea\\u00eb\\u00ec\\u00ed\\u00ee\\u00ef" +
 653                         "\\u00f0\\u00f1\\u00f2\\u00f3\\u00f4\\u00f5\\u00f6\\u00f7" +
 654                         "\\u00f8\\u00f9\\u00fa\\u00fb\\u00fc\\u00fd\\u00fe\\u00ff" +
 655                         "\"");
 656
 657                 {
 658                         std::istringstream is(serializeString(teststring2), std::ios::binary);
 659                         UASSERT(deSerializeString(is) == teststring2);
 660                         UASSERT(!is.eof());
 661                         is.get();
 662                         UASSERT(is.eof());
 663                 }
 664                 {
 665                         std::istringstream is(serializeWideString(teststring2_w), std::ios::binary);
 666                         UASSERT(deSerializeWideString(is) == teststring2_w);
 667                         UASSERT(!is.eof());
 668                         is.get();
 669                         UASSERT(is.eof());
 670                 }
 671                 {
 672                         std::istringstream is(serializeLongString(teststring2), std::ios::binary);
 673                         UASSERT(deSerializeLongString(is) == teststring2);
 674                         UASSERT(!is.eof());
 675                         is.get();
 676                         UASSERT(is.eof());
 677                 }
 678                 {
 679                         std::istringstream is(serializeJsonString(teststring2), std::ios::binary);
 680                         //dstream<<serializeJsonString(deSerializeJsonString(is));
 681                         UASSERT(deSerializeJsonString(is) == teststring2);
 682                         UASSERT(!is.eof());
 683                         is.get();
 684                         UASSERT(is.eof());
 685                 }
 686         }
 687 };
 688
 689 struct TestNodedefSerialization: public TestBase
 690 {
 691         void Run()
 692         {
 693                 ContentFeatures f;
 694                 f.name = "default:stone";
 695                 for(int i = 0; i < 6; i++)
 696                         f.tiledef[i].name = "default_stone.png";
 697                 f.is_ground_content = true;
 698                 std::ostringstream os(std::ios::binary);
 699                 f.serialize(os, LATEST_PROTOCOL_VERSION);
 700                 verbosestream<<"Test ContentFeatures size: "<<os.str().size()<<std::endl;
 701                 std::istringstream is(os.str(), std::ios::binary);
 702                 ContentFeatures f2;
 703                 f2.deSerialize(is);
 704                 UASSERT(f.walkable == f2.walkable);
 705                 UASSERT(f.node_box.type == f2.node_box.type);
 706         }
 707 };
 708
 709 struct TestCompress: public TestBase
 710 {
 711         void Run()
 712         {
 713                 { // ver 0
 714
 715                 SharedBuffer<u8> fromdata(4);
 716                 fromdata[0]=1;
 717                 fromdata[1]=5;
 718                 fromdata[2]=5;
 719                 fromdata[3]=1;
 720
 721                 std::ostringstream os(std::ios_base::binary);
 722                 compress(fromdata, os, 0);
 723
 724                 std::string str_out = os.str();
 725
 726                 infostream<<"str_out.size()="<<str_out.size()<<std::endl;
 727                 infostream<<"TestCompress: 1,5,5,1 -> ";
 728                 for(u32 i=0; i<str_out.size(); i++)
 729                 {
 730                         infostream<<(u32)str_out[i]<<",";
 731                 }
 732                 infostream<<std::endl;
 733
 734                 UASSERT(str_out.size() == 10);
 735
 736                 UASSERT(str_out[0] == 0);
 737                 UASSERT(str_out[1] == 0);
 738                 UASSERT(str_out[2] == 0);
 739                 UASSERT(str_out[3] == 4);
 740                 UASSERT(str_out[4] == 0);
 741                 UASSERT(str_out[5] == 1);
 742                 UASSERT(str_out[6] == 1);
 743                 UASSERT(str_out[7] == 5);
 744                 UASSERT(str_out[8] == 0);
 745                 UASSERT(str_out[9] == 1);
 746
 747                 std::istringstream is(str_out, std::ios_base::binary);
 748                 std::ostringstream os2(std::ios_base::binary);
 749
 750                 decompress(is, os2, 0);
 751                 std::string str_out2 = os2.str();
 752
 753                 infostream<<"decompress: ";
 754                 for(u32 i=0; i<str_out2.size(); i++)
 755                 {
 756                         infostream<<(u32)str_out2[i]<<",";
 757                 }
 758                 infostream<<std::endl;
 759
 760                 UASSERT(str_out2.size() == fromdata.getSize());
 761
 762                 for(u32 i=0; i<str_out2.size(); i++)
 763                 {
 764                         UASSERT(str_out2[i] == fromdata[i]);
 765                 }
 766
 767                 }
 768
 769                 { // ver HIGHEST
 770
 771                 SharedBuffer<u8> fromdata(4);
 772                 fromdata[0]=1;
 773                 fromdata[1]=5;
 774                 fromdata[2]=5;
 775                 fromdata[3]=1;
 776
 777                 std::ostringstream os(std::ios_base::binary);
 778                 compress(fromdata, os, SER_FMT_VER_HIGHEST_READ);
 779
 780                 std::string str_out = os.str();
 781
 782                 infostream<<"str_out.size()="<<str_out.size()<<std::endl;
 783                 infostream<<"TestCompress: 1,5,5,1 -> ";
 784                 for(u32 i=0; i<str_out.size(); i++)
 785                 {
 786                         infostream<<(u32)str_out[i]<<",";
 787                 }
 788                 infostream<<std::endl;
 789
 790                 std::istringstream is(str_out, std::ios_base::binary);
 791                 std::ostringstream os2(std::ios_base::binary);
 792
 793                 decompress(is, os2, SER_FMT_VER_HIGHEST_READ);
 794                 std::string str_out2 = os2.str();
 795
 796                 infostream<<"decompress: ";
 797                 for(u32 i=0; i<str_out2.size(); i++)
 798                 {
 799                         infostream<<(u32)str_out2[i]<<",";
 800                 }
 801                 infostream<<std::endl;
 802
 803                 UASSERT(str_out2.size() == fromdata.getSize());
 804
 805                 for(u32 i=0; i<str_out2.size(); i++)
 806                 {
 807                         UASSERT(str_out2[i] == fromdata[i]);
 808                 }
 809
 810                 }
 811
 812                 // Test zlib wrapper with large amounts of data (larger than its
 813                 // internal buffers)
 814                 {
 815                         infostream<<"Test: Testing zlib wrappers with a large amount "
 816                                         <<"of pseudorandom data"<<std::endl;
 817                         u32 size = 50000;
 818                         infostream<<"Test: Input size of large compressZlib is "
 819                                         <<size<<std::endl;
 820                         std::string data_in;
 821                         data_in.resize(size);
 822                         PseudoRandom pseudorandom(9420);
 823                         for(u32 i=0; i<size; i++)
 824                                 data_in[i] = pseudorandom.range(0,255);
 825                         std::ostringstream os_compressed(std::ios::binary);
 826                         compressZlib(data_in, os_compressed);
 827                         infostream<<"Test: Output size of large compressZlib is "
 828                                         <<os_compressed.str().size()<<std::endl;
 829                         std::istringstream is_compressed(os_compressed.str(), std::ios::binary);
 830                         std::ostringstream os_decompressed(std::ios::binary);
 831                         decompressZlib(is_compressed, os_decompressed);
 832                         infostream<<"Test: Output size of large decompressZlib is "
 833                                         <<os_decompressed.str().size()<<std::endl;
 834                         std::string str_decompressed = os_decompressed.str();
 835                         UTEST(str_decompressed.size() == data_in.size(), "Output size not"
 836                                         " equal (output: %u, input: %u)",
 837                                         (unsigned int)str_decompressed.size(), (unsigned int)data_in.size());
 838                         for(u32 i=0; i<size && i<str_decompressed.size(); i++){
 839                                 UTEST(str_decompressed[i] == data_in[i],
 840                                                 "index out[%i]=%i differs from in[%i]=%i",
 841                                                 i, str_decompressed[i], i, data_in[i]);
 842                         }
 843                 }
 844         }
 845 };
 846
 847 struct TestMapNode: public TestBase
 848 {
 849         void Run(INodeDefManager *nodedef)
 850         {
 851                 MapNode n;
 852
 853                 // Default values
 854                 UASSERT(n.getContent() == CONTENT_AIR);
 855                 UASSERT(n.getLight(LIGHTBANK_DAY, nodedef) == 0);
 856                 UASSERT(n.getLight(LIGHTBANK_NIGHT, nodedef) == 0);
 857
 858                 // Transparency
 859                 n.setContent(CONTENT_AIR);
 860                 UASSERT(nodedef->get(n).light_propagates == true);
 861                 n.setContent(LEGN(nodedef, "CONTENT_STONE"));
 862                 UASSERT(nodedef->get(n).light_propagates == false);
 863         }
 864 };
 865
 866 struct TestVoxelManipulator: public TestBase
 867 {
 868         void Run(INodeDefManager *nodedef)
 869         {
 870                 /*
 871                         VoxelArea
 872                 */
 873
 874                 VoxelArea a(v3s16(-1,-1,-1), v3s16(1,1,1));
 875                 UASSERT(a.index(0,0,0) == 1*3*3 + 1*3 + 1);
 876                 UASSERT(a.index(-1,-1,-1) == 0);
 877
 878                 VoxelArea c(v3s16(-2,-2,-2), v3s16(2,2,2));
 879                 // An area that is 1 bigger in x+ and z-
 880                 VoxelArea d(v3s16(-2,-2,-3), v3s16(3,2,2));
 881
 882                 std::list<VoxelArea> aa;
 883                 d.diff(c, aa);
 884
 885                 // Correct results
 886                 std::vector<VoxelArea> results;
 887                 results.push_back(VoxelArea(v3s16(-2,-2,-3),v3s16(3,2,-3)));
 888                 results.push_back(VoxelArea(v3s16(3,-2,-2),v3s16(3,2,2)));
 889
 890                 UASSERT(aa.size() == results.size());
 891
 892                 infostream<<"Result of diff:"<<std::endl;
 893                 for(std::list<VoxelArea>::const_iterator
 894                                 i = aa.begin(); i != aa.end(); ++i)
 895                 {
 896                         i->print(infostream);
 897                         infostream<<std::endl;
 898
 899                         std::vector<VoxelArea>::iterator j = std::find(results.begin(), results.end(), *i);
 900                         UASSERT(j != results.end());
 901                         results.erase(j);
 902                 }
 903
 904
 905                 /*
 906                         VoxelManipulator
 907                 */
 908
 909                 VoxelManipulator v;
 910
 911                 v.print(infostream, nodedef);
 912
 913                 infostream<<"*** Setting (-1,0,-1)=2 ***"<<std::endl;
 914
 915                 v.setNodeNoRef(v3s16(-1,0,-1), MapNode(CONTENT_GRASS));
 916
 917                 v.print(infostream, nodedef);
 918
 919                 UASSERT(v.getNode(v3s16(-1,0,-1)).getContent() == CONTENT_GRASS);
 920
 921                 infostream<<"*** Reading from inexistent (0,0,-1) ***"<<std::endl;
 922
 923                 EXCEPTION_CHECK(InvalidPositionException, v.getNode(v3s16(0,0,-1)));
 924
 925                 v.print(infostream, nodedef);
 926
 927                 infostream<<"*** Adding area ***"<<std::endl;
 928
 929                 v.addArea(a);
 930
 931                 v.print(infostream, nodedef);
 932
 933                 UASSERT(v.getNode(v3s16(-1,0,-1)).getContent() == CONTENT_GRASS);
 934                 EXCEPTION_CHECK(InvalidPositionException, v.getNode(v3s16(0,1,1)));
 935         }
 936 };
 937
 938 struct TestVoxelAlgorithms: public TestBase
 939 {
 940         void Run(INodeDefManager *ndef)
 941         {
 942                 /*
 943                         voxalgo::propagateSunlight
 944                 */
 945                 {
 946                         VoxelManipulator v;
 947                         for(u16 z=0; z<3; z++)
 948                         for(u16 y=0; y<3; y++)
 949                         for(u16 x=0; x<3; x++)
 950                         {
 951                                 v3s16 p(x,y,z);
 952                                 v.setNodeNoRef(p, MapNode(CONTENT_AIR));
 953                         }
 954                         VoxelArea a(v3s16(0,0,0), v3s16(2,2,2));
 955                         {
 956                                 std::set<v3s16> light_sources;
 957                                 voxalgo::setLight(v, a, 0, ndef);
 958                                 voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
 959                                                 v, a, true, light_sources, ndef);
 960                                 //v.print(dstream, ndef, VOXELPRINT_LIGHT_DAY);
 961                                 UASSERT(res.bottom_sunlight_valid == true);
 962                                 UASSERT(v.getNode(v3s16(1,1,1)).getLight(LIGHTBANK_DAY, ndef)
 963                                                 == LIGHT_SUN);
 964                         }
 965                         v.setNodeNoRef(v3s16(0,0,0), MapNode(CONTENT_STONE));
 966                         {
 967                                 std::set<v3s16> light_sources;
 968                                 voxalgo::setLight(v, a, 0, ndef);
 969                                 voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
 970                                                 v, a, true, light_sources, ndef);
 971                                 UASSERT(res.bottom_sunlight_valid == true);
 972                                 UASSERT(v.getNode(v3s16(1,1,1)).getLight(LIGHTBANK_DAY, ndef)
 973                                                 == LIGHT_SUN);
 974                         }
 975                         {
 976                                 std::set<v3s16> light_sources;
 977                                 voxalgo::setLight(v, a, 0, ndef);
 978                                 voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
 979                                                 v, a, false, light_sources, ndef);
 980                                 UASSERT(res.bottom_sunlight_valid == true);
 981                                 UASSERT(v.getNode(v3s16(2,0,2)).getLight(LIGHTBANK_DAY, ndef)
 982                                                 == 0);
 983                         }
 984                         v.setNodeNoRef(v3s16(1,3,2), MapNode(CONTENT_STONE));
 985                         {
 986                                 std::set<v3s16> light_sources;
 987                                 voxalgo::setLight(v, a, 0, ndef);
 988                                 voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
 989                                                 v, a, true, light_sources, ndef);
 990                                 UASSERT(res.bottom_sunlight_valid == true);
 991                                 UASSERT(v.getNode(v3s16(1,1,2)).getLight(LIGHTBANK_DAY, ndef)
 992                                                 == 0);
 993                         }
 994                         {
 995                                 std::set<v3s16> light_sources;
 996                                 voxalgo::setLight(v, a, 0, ndef);
 997                                 voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
 998                                                 v, a, false, light_sources, ndef);
 999                                 UASSERT(res.bottom_sunlight_valid == true);
1000                                 UASSERT(v.getNode(v3s16(1,0,2)).getLight(LIGHTBANK_DAY, ndef)
1001                                                 == 0);
1002                         }
1003                         {
1004                                 MapNode n(CONTENT_AIR);
1005                                 n.setLight(LIGHTBANK_DAY, 10, ndef);
1006                                 v.setNodeNoRef(v3s16(1,-1,2), n);
1007                         }
1008                         {
1009                                 std::set<v3s16> light_sources;
1010                                 voxalgo::setLight(v, a, 0, ndef);
1011                                 voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
1012                                                 v, a, true, light_sources, ndef);
1013                                 UASSERT(res.bottom_sunlight_valid == true);
1014                         }
1015                         {
1016                                 std::set<v3s16> light_sources;
1017                                 voxalgo::setLight(v, a, 0, ndef);
1018                                 voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
1019                                                 v, a, false, light_sources, ndef);
1020                                 UASSERT(res.bottom_sunlight_valid == true);
1021                         }
1022                         {
1023                                 MapNode n(CONTENT_AIR);
1024                                 n.setLight(LIGHTBANK_DAY, LIGHT_SUN, ndef);
1025                                 v.setNodeNoRef(v3s16(1,-1,2), n);
1026                         }
1027                         {
1028                                 std::set<v3s16> light_sources;
1029                                 voxalgo::setLight(v, a, 0, ndef);
1030                                 voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
1031                                                 v, a, true, light_sources, ndef);
1032                                 UASSERT(res.bottom_sunlight_valid == false);
1033                         }
1034                         {
1035                                 std::set<v3s16> light_sources;
1036                                 voxalgo::setLight(v, a, 0, ndef);
1037                                 voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
1038                                                 v, a, false, light_sources, ndef);
1039                                 UASSERT(res.bottom_sunlight_valid == false);
1040                         }
1041                         v.setNodeNoRef(v3s16(1,3,2), MapNode(CONTENT_IGNORE));
1042                         {
1043                                 std::set<v3s16> light_sources;
1044                                 voxalgo::setLight(v, a, 0, ndef);
1045                                 voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
1046                                                 v, a, true, light_sources, ndef);
1047                                 UASSERT(res.bottom_sunlight_valid == true);
1048                         }
1049                 }
1050                 /*
1051                         voxalgo::clearLightAndCollectSources
1052                 */
1053                 {
1054                         VoxelManipulator v;
1055                         for(u16 z=0; z<3; z++)
1056                         for(u16 y=0; y<3; y++)
1057                         for(u16 x=0; x<3; x++)
1058                         {
1059                                 v3s16 p(x,y,z);
1060                                 v.setNode(p, MapNode(CONTENT_AIR));
1061                         }
1062                         VoxelArea a(v3s16(0,0,0), v3s16(2,2,2));
1063                         v.setNodeNoRef(v3s16(0,0,0), MapNode(CONTENT_STONE));
1064                         v.setNodeNoRef(v3s16(1,1,1), MapNode(CONTENT_TORCH));
1065                         {
1066                                 MapNode n(CONTENT_AIR);
1067                                 n.setLight(LIGHTBANK_DAY, 1, ndef);
1068                                 v.setNode(v3s16(1,1,2), n);
1069                         }
1070                         {
1071                                 std::set<v3s16> light_sources;
1072                                 std::map<v3s16, u8> unlight_from;
1073                                 voxalgo::clearLightAndCollectSources(v, a, LIGHTBANK_DAY,
1074                                                 ndef, light_sources, unlight_from);
1075                                 //v.print(dstream, ndef, VOXELPRINT_LIGHT_DAY);
1076                                 UASSERT(v.getNode(v3s16(0,1,1)).getLight(LIGHTBANK_DAY, ndef)
1077                                                 == 0);
1078                                 UASSERT(light_sources.find(v3s16(1,1,1)) != light_sources.end());
1079                                 UASSERT(light_sources.size() == 1);
1080                                 UASSERT(unlight_from.find(v3s16(1,1,2)) != unlight_from.end());
1081                                 UASSERT(unlight_from.size() == 1);
1082                         }
1083                 }
1084         }
1085 };
1086
1087 struct TestInventory: public TestBase
1088 {
1089         void Run(IItemDefManager *idef)
1090         {
1091                 std::string serialized_inventory =
1092                 "List 0 32\n"
1093                 "Width 3\n"
1094                 "Empty\n"
1095                 "Empty\n"
1096                 "Empty\n"
1097                 "Empty\n"
1098                 "Empty\n"
1099                 "Empty\n"
1100                 "Empty\n"
1101                 "Empty\n"
1102                 "Empty\n"
1103                 "Item default:cobble 61\n"
1104                 "Empty\n"
1105                 "Empty\n"
1106                 "Empty\n"
1107                 "Empty\n"
1108                 "Empty\n"
1109                 "Empty\n"
1110                 "Item default:dirt 71\n"
1111                 "Empty\n"
1112                 "Empty\n"
1113                 "Empty\n"
1114                 "Empty\n"
1115                 "Empty\n"
1116                 "Empty\n"
1117                 "Empty\n"
1118                 "Item default:dirt 99\n"
1119                 "Item default:cobble 38\n"
1120                 "Empty\n"
1121                 "Empty\n"
1122                 "Empty\n"
1123                 "Empty\n"
1124                 "Empty\n"
1125                 "Empty\n"
1126                 "EndInventoryList\n"
1127                 "EndInventory\n";
1128
1129                 std::string serialized_inventory_2 =
1130                 "List main 32\n"
1131                 "Width 5\n"
1132                 "Empty\n"
1133                 "Empty\n"
1134                 "Empty\n"
1135                 "Empty\n"
1136                 "Empty\n"
1137                 "Empty\n"
1138                 "Empty\n"
1139                 "Empty\n"
1140                 "Empty\n"
1141                 "Item default:cobble 61\n"
1142                 "Empty\n"
1143                 "Empty\n"
1144                 "Empty\n"
1145                 "Empty\n"
1146                 "Empty\n"
1147                 "Empty\n"
1148                 "Item default:dirt 71\n"
1149                 "Empty\n"
1150                 "Empty\n"
1151                 "Empty\n"
1152                 "Empty\n"
1153                 "Empty\n"
1154                 "Empty\n"
1155                 "Empty\n"
1156                 "Item default:dirt 99\n"
1157                 "Item default:cobble 38\n"
1158                 "Empty\n"
1159                 "Empty\n"
1160                 "Empty\n"
1161                 "Empty\n"
1162                 "Empty\n"
1163                 "Empty\n"
1164                 "EndInventoryList\n"
1165                 "EndInventory\n";
1166
1167                 Inventory inv(idef);
1168                 std::istringstream is(serialized_inventory, std::ios::binary);
1169                 inv.deSerialize(is);
1170                 UASSERT(inv.getList("0"));
1171                 UASSERT(!inv.getList("main"));
1172                 inv.getList("0")->setName("main");
1173                 UASSERT(!inv.getList("0"));
1174                 UASSERT(inv.getList("main"));
1175                 UASSERT(inv.getList("main")->getWidth() == 3);
1176                 inv.getList("main")->setWidth(5);
1177                 std::ostringstream inv_os(std::ios::binary);
1178                 inv.serialize(inv_os);
1179                 UASSERT(inv_os.str() == serialized_inventory_2);
1180         }
1181 };
1182
1183 /*
1184         NOTE: These tests became non-working then NodeContainer was removed.
1185               These should be redone, utilizing some kind of a virtual
1186                   interface for Map (IMap would be fine).
1187 */
1188 #if 0
1189 struct TestMapBlock: public TestBase
1190 {
1191         class TC : public NodeContainer
1192         {
1193         public:
1194
1195                 MapNode node;
1196                 bool position_valid;
1197                 core::list<v3s16> validity_exceptions;
1198
1199                 TC()
1200                 {
1201                         position_valid = true;
1202                 }
1203
1204                 virtual bool isValidPosition(v3s16 p)
1205                 {
1206                         //return position_valid ^ (p==position_valid_exception);
1207                         bool exception = false;
1208                         for(core::list<v3s16>::Iterator i=validity_exceptions.begin();
1209                                         i != validity_exceptions.end(); i++)
1210                         {
1211                                 if(p == *i)
1212                                 {
1213                                         exception = true;
1214                                         break;
1215                                 }
1216                         }
1217                         return exception ? !position_valid : position_valid;
1218                 }
1219
1220                 virtual MapNode getNode(v3s16 p)
1221                 {
1222                         if(isValidPosition(p) == false)
1223                                 throw InvalidPositionException();
1224                         return node;
1225                 }
1226
1227                 virtual void setNode(v3s16 p, MapNode & n)
1228                 {
1229                         if(isValidPosition(p) == false)
1230                                 throw InvalidPositionException();
1231                 };
1232
1233                 virtual u16 nodeContainerId() const
1234                 {
1235                         return 666;
1236                 }
1237         };
1238
1239         void Run()
1240         {
1241                 TC parent;
1242
1243                 MapBlock b(&parent, v3s16(1,1,1));
1244                 v3s16 relpos(MAP_BLOCKSIZE, MAP_BLOCKSIZE, MAP_BLOCKSIZE);
1245
1246                 UASSERT(b.getPosRelative() == relpos);
1247
1248                 UASSERT(b.getBox().MinEdge.X == MAP_BLOCKSIZE);
1249                 UASSERT(b.getBox().MaxEdge.X == MAP_BLOCKSIZE*2-1);
1250                 UASSERT(b.getBox().MinEdge.Y == MAP_BLOCKSIZE);
1251                 UASSERT(b.getBox().MaxEdge.Y == MAP_BLOCKSIZE*2-1);
1252                 UASSERT(b.getBox().MinEdge.Z == MAP_BLOCKSIZE);
1253                 UASSERT(b.getBox().MaxEdge.Z == MAP_BLOCKSIZE*2-1);
1254
1255                 UASSERT(b.isValidPosition(v3s16(0,0,0)) == true);
1256                 UASSERT(b.isValidPosition(v3s16(-1,0,0)) == false);
1257                 UASSERT(b.isValidPosition(v3s16(-1,-142,-2341)) == false);
1258                 UASSERT(b.isValidPosition(v3s16(-124,142,2341)) == false);
1259                 UASSERT(b.isValidPosition(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1)) == true);
1260                 UASSERT(b.isValidPosition(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE,MAP_BLOCKSIZE-1)) == false);
1261
1262                 /*
1263                         TODO: this method should probably be removed
1264                         if the block size isn't going to be set variable
1265                 */
1266                 /*UASSERT(b.getSizeNodes() == v3s16(MAP_BLOCKSIZE,
1267                                 MAP_BLOCKSIZE, MAP_BLOCKSIZE));*/
1268
1269                 // Changed flag should be initially set
1270                 UASSERT(b.getModified() == MOD_STATE_WRITE_NEEDED);
1271                 b.resetModified();
1272                 UASSERT(b.getModified() == MOD_STATE_CLEAN);
1273
1274                 // All nodes should have been set to
1275                 // .d=CONTENT_IGNORE and .getLight() = 0
1276                 for(u16 z=0; z<MAP_BLOCKSIZE; z++)
1277                 for(u16 y=0; y<MAP_BLOCKSIZE; y++)
1278                 for(u16 x=0; x<MAP_BLOCKSIZE; x++)
1279                 {
1280                         //UASSERT(b.getNode(v3s16(x,y,z)).getContent() == CONTENT_AIR);
1281                         UASSERT(b.getNode(v3s16(x,y,z)).getContent() == CONTENT_IGNORE);
1282                         UASSERT(b.getNode(v3s16(x,y,z)).getLight(LIGHTBANK_DAY) == 0);
1283                         UASSERT(b.getNode(v3s16(x,y,z)).getLight(LIGHTBANK_NIGHT) == 0);
1284                 }
1285
1286                 {
1287                         MapNode n(CONTENT_AIR);
1288                         for(u16 z=0; z<MAP_BLOCKSIZE; z++)
1289                         for(u16 y=0; y<MAP_BLOCKSIZE; y++)
1290                         for(u16 x=0; x<MAP_BLOCKSIZE; x++)
1291                         {
1292                                 b.setNode(v3s16(x,y,z), n);
1293                         }
1294                 }
1295
1296                 /*
1297                         Parent fetch functions
1298                 */
1299                 parent.position_valid = false;
1300                 parent.node.setContent(5);
1301
1302                 MapNode n;
1303
1304                 // Positions in the block should still be valid
1305                 UASSERT(b.isValidPositionParent(v3s16(0,0,0)) == true);
1306                 UASSERT(b.isValidPositionParent(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1)) == true);
1307                 n = b.getNodeParent(v3s16(0,MAP_BLOCKSIZE-1,0));
1308                 UASSERT(n.getContent() == CONTENT_AIR);
1309
1310                 // ...but outside the block they should be invalid
1311                 UASSERT(b.isValidPositionParent(v3s16(-121,2341,0)) == false);
1312                 UASSERT(b.isValidPositionParent(v3s16(-1,0,0)) == false);
1313                 UASSERT(b.isValidPositionParent(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE)) == false);
1314
1315                 {
1316                         bool exception_thrown = false;
1317                         try{
1318                                 // This should throw an exception
1319                                 MapNode n = b.getNodeParent(v3s16(0,0,-1));
1320                         }
1321                         catch(InvalidPositionException &e)
1322                         {
1323                                 exception_thrown = true;
1324                         }
1325                         UASSERT(exception_thrown);
1326                 }
1327
1328                 parent.position_valid = true;
1329                 // Now the positions outside should be valid
1330                 UASSERT(b.isValidPositionParent(v3s16(-121,2341,0)) == true);
1331                 UASSERT(b.isValidPositionParent(v3s16(-1,0,0)) == true);
1332                 UASSERT(b.isValidPositionParent(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE)) == true);
1333                 n = b.getNodeParent(v3s16(0,0,MAP_BLOCKSIZE));
1334                 UASSERT(n.getContent() == 5);
1335
1336                 /*
1337                         Set a node
1338                 */
1339                 v3s16 p(1,2,0);
1340                 n.setContent(4);
1341                 b.setNode(p, n);
1342                 UASSERT(b.getNode(p).getContent() == 4);
1343                 //TODO: Update to new system
1344                 /*UASSERT(b.getNodeTile(p) == 4);
1345                 UASSERT(b.getNodeTile(v3s16(-1,-1,0)) == 5);*/
1346
1347                 /*
1348                         propagateSunlight()
1349                 */
1350                 // Set lighting of all nodes to 0
1351                 for(u16 z=0; z<MAP_BLOCKSIZE; z++){
1352                         for(u16 y=0; y<MAP_BLOCKSIZE; y++){
1353                                 for(u16 x=0; x<MAP_BLOCKSIZE; x++){
1354                                         MapNode n = b.getNode(v3s16(x,y,z));
1355                                         n.setLight(LIGHTBANK_DAY, 0);
1356                                         n.setLight(LIGHTBANK_NIGHT, 0);
1357                                         b.setNode(v3s16(x,y,z), n);
1358                                 }
1359                         }
1360                 }
1361                 {
1362                         /*
1363                                 Check how the block handles being a lonely sky block
1364                         */
1365                         parent.position_valid = true;
1366                         b.setIsUnderground(false);
1367                         parent.node.setContent(CONTENT_AIR);
1368                         parent.node.setLight(LIGHTBANK_DAY, LIGHT_SUN);
1369                         parent.node.setLight(LIGHTBANK_NIGHT, 0);
1370                         core::map<v3s16, bool> light_sources;
1371                         // The bottom block is invalid, because we have a shadowing node
1372                         UASSERT(b.propagateSunlight(light_sources) == false);
1373                         UASSERT(b.getNode(v3s16(1,4,0)).getLight(LIGHTBANK_DAY) == LIGHT_SUN);
1374                         UASSERT(b.getNode(v3s16(1,3,0)).getLight(LIGHTBANK_DAY) == LIGHT_SUN);
1375                         UASSERT(b.getNode(v3s16(1,2,0)).getLight(LIGHTBANK_DAY) == 0);
1376                         UASSERT(b.getNode(v3s16(1,1,0)).getLight(LIGHTBANK_DAY) == 0);
1377                         UASSERT(b.getNode(v3s16(1,0,0)).getLight(LIGHTBANK_DAY) == 0);
1378                         UASSERT(b.getNode(v3s16(1,2,3)).getLight(LIGHTBANK_DAY) == LIGHT_SUN);
1379                         UASSERT(b.getFaceLight2(1000, p, v3s16(0,1,0)) == LIGHT_SUN);
1380                         UASSERT(b.getFaceLight2(1000, p, v3s16(0,-1,0)) == 0);
1381                         UASSERT(b.getFaceLight2(0, p, v3s16(0,-1,0)) == 0);
1382                         // According to MapBlock::getFaceLight,
1383                         // The face on the z+ side should have double-diminished light
1384                         //UASSERT(b.getFaceLight(p, v3s16(0,0,1)) == diminish_light(diminish_light(LIGHT_MAX)));
1385                         // The face on the z+ side should have diminished light
1386                         UASSERT(b.getFaceLight2(1000, p, v3s16(0,0,1)) == diminish_light(LIGHT_MAX));
1387                 }
1388                 /*
1389                         Check how the block handles being in between blocks with some non-sunlight
1390                         while being underground
1391                 */
1392                 {
1393                         // Make neighbours to exist and set some non-sunlight to them
1394                         parent.position_valid = true;
1395                         b.setIsUnderground(true);
1396                         parent.node.setLight(LIGHTBANK_DAY, LIGHT_MAX/2);
1397                         core::map<v3s16, bool> light_sources;
1398                         // The block below should be valid because there shouldn't be
1399                         // sunlight in there either
1400                         UASSERT(b.propagateSunlight(light_sources, true) == true);
1401                         // Should not touch nodes that are not affected (that is, all of them)
1402                         //UASSERT(b.getNode(v3s16(1,2,3)).getLight() == LIGHT_SUN);
1403                         // Should set light of non-sunlighted blocks to 0.
1404                         UASSERT(b.getNode(v3s16(1,2,3)).getLight(LIGHTBANK_DAY) == 0);
1405                 }
1406                 /*
1407                         Set up a situation where:
1408                         - There is only air in this block
1409                         - There is a valid non-sunlighted block at the bottom, and
1410                         - Invalid blocks elsewhere.
1411                         - the block is not underground.
1412
1413                         This should result in bottom block invalidity
1414                 */
1415                 {
1416                         b.setIsUnderground(false);
1417                         // Clear block
1418                         for(u16 z=0; z<MAP_BLOCKSIZE; z++){
1419                                 for(u16 y=0; y<MAP_BLOCKSIZE; y++){
1420                                         for(u16 x=0; x<MAP_BLOCKSIZE; x++){
1421                                                 MapNode n;
1422                                                 n.setContent(CONTENT_AIR);
1423                                                 n.setLight(LIGHTBANK_DAY, 0);
1424                                                 b.setNode(v3s16(x,y,z), n);
1425                                         }
1426                                 }
1427                         }
1428                         // Make neighbours invalid
1429                         parent.position_valid = false;
1430                         // Add exceptions to the top of the bottom block
1431                         for(u16 x=0; x<MAP_BLOCKSIZE; x++)
1432                         for(u16 z=0; z<MAP_BLOCKSIZE; z++)
1433                         {
1434                                 parent.validity_exceptions.push_back(v3s16(MAP_BLOCKSIZE+x, MAP_BLOCKSIZE-1, MAP_BLOCKSIZE+z));
1435                         }
1436                         // Lighting value for the valid nodes
1437                         parent.node.setLight(LIGHTBANK_DAY, LIGHT_MAX/2);
1438                         core::map<v3s16, bool> light_sources;
1439                         // Bottom block is not valid
1440                         UASSERT(b.propagateSunlight(light_sources) == false);
1441                 }
1442         }
1443 };
1444
1445 struct TestMapSector: public TestBase
1446 {
1447         class TC : public NodeContainer
1448         {
1449         public:
1450
1451                 MapNode node;
1452                 bool position_valid;
1453
1454                 TC()
1455                 {
1456                         position_valid = true;
1457                 }
1458
1459                 virtual bool isValidPosition(v3s16 p)
1460                 {
1461                         return position_valid;
1462                 }
1463
1464                 virtual MapNode getNode(v3s16 p)
1465                 {
1466                         if(position_valid == false)
1467                                 throw InvalidPositionException();
1468                         return node;
1469                 }
1470
1471                 virtual void setNode(v3s16 p, MapNode & n)
1472                 {
1473                         if(position_valid == false)
1474                                 throw InvalidPositionException();
1475                 };
1476
1477                 virtual u16 nodeContainerId() const
1478                 {
1479                         return 666;
1480                 }
1481         };
1482
1483         void Run()
1484         {
1485                 TC parent;
1486                 parent.position_valid = false;
1487
1488                 // Create one with no heightmaps
1489                 ServerMapSector sector(&parent, v2s16(1,1));
1490
1491                 UASSERT(sector.getBlockNoCreateNoEx(0) == 0);
1492                 UASSERT(sector.getBlockNoCreateNoEx(1) == 0);
1493
1494                 MapBlock * bref = sector.createBlankBlock(-2);
1495
1496                 UASSERT(sector.getBlockNoCreateNoEx(0) == 0);
1497                 UASSERT(sector.getBlockNoCreateNoEx(-2) == bref);
1498
1499                 //TODO: Check for AlreadyExistsException
1500
1501                 /*bool exception_thrown = false;
1502                 try{
1503                         sector.getBlock(0);
1504                 }
1505                 catch(InvalidPositionException &e){
1506                         exception_thrown = true;
1507                 }
1508                 UASSERT(exception_thrown);*/
1509
1510         }
1511 };
1512 #endif
1513
1514 struct TestCollision: public TestBase
1515 {
1516         void Run()
1517         {
1518                 /*
1519                         axisAlignedCollision
1520                 */
1521
1522                 for(s16 bx = -3; bx <= 3; bx++)
1523                 for(s16 by = -3; by <= 3; by++)
1524                 for(s16 bz = -3; bz <= 3; bz++)
1525                 {
1526                         // X-
1527                         {
1528                                 aabb3f s(bx, by, bz, bx+1, by+1, bz+1);
1529                                 aabb3f m(bx-2, by, bz, bx-1, by+1, bz+1);
1530                                 v3f v(1, 0, 0);
1531                                 f32 dtime = 0;
1532                                 UASSERT(axisAlignedCollision(s, m, v, 0, dtime) == 0);
1533                                 UASSERT(fabs(dtime - 1.000) < 0.001);
1534                         }
1535                         {
1536                                 aabb3f s(bx, by, bz, bx+1, by+1, bz+1);
1537                                 aabb3f m(bx-2, by, bz, bx-1, by+1, bz+1);
1538                                 v3f v(-1, 0, 0);
1539                                 f32 dtime = 0;
1540                                 UASSERT(axisAlignedCollision(s, m, v, 0, dtime) == -1);
1541                         }
1542                         {
1543                                 aabb3f s(bx, by, bz, bx+1, by+1, bz+1);
1544                                 aabb3f m(bx-2, by+1.5, bz, bx-1, by+2.5, bz-1);
1545                                 v3f v(1, 0, 0);
1546                                 f32 dtime;
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-1.5, by+0.5, bz+1);
1552                                 v3f v(0.5, 0.1, 0);
1553                                 f32 dtime;
1554                                 UASSERT(axisAlignedCollision(s, m, v, 0, dtime) == 0);
1555                                 UASSERT(fabs(dtime - 3.000) < 0.001);
1556                         }
1557                         {
1558                                 aabb3f s(bx, by, bz, bx+1, by+1, bz+1);
1559                                 aabb3f m(bx-2, by-1.5, bz, bx-1.5, by+0.5, bz+1);
1560                                 v3f v(0.5, 0.1, 0);
1561                                 f32 dtime;
1562                                 UASSERT(axisAlignedCollision(s, m, v, 0, dtime) == 0);
1563                                 UASSERT(fabs(dtime - 3.000) < 0.001);
1564                         }
1565
1566                         // X+
1567                         {
1568                                 aabb3f s(bx, by, bz, bx+1, by+1, bz+1);
1569                                 aabb3f m(bx+2, by, bz, bx+3, by+1, bz+1);
1570                                 v3f v(-1, 0, 0);
1571                                 f32 dtime;
1572                                 UASSERT(axisAlignedCollision(s, m, v, 0, dtime) == 0);
1573                                 UASSERT(fabs(dtime - 1.000) < 0.001);
1574                         }
1575                         {
1576                                 aabb3f s(bx, by, bz, bx+1, by+1, bz+1);
1577                                 aabb3f m(bx+2, by, bz, bx+3, by+1, bz+1);
1578                                 v3f v(1, 0, 0);
1579                                 f32 dtime;
1580                                 UASSERT(axisAlignedCollision(s, m, v, 0, dtime) == -1);
1581                         }
1582                         {
1583                                 aabb3f s(bx, by, bz, bx+1, by+1, bz+1);
1584                                 aabb3f m(bx+2, by, bz+1.5, bx+3, by+1, bz+3.5);
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-1.5, bz, bx+2.5, by-0.5, bz+1);
1592                                 v3f v(-0.5, 0.2, 0);
1593                                 f32 dtime;
1594                                 UASSERT(axisAlignedCollision(s, m, v, 0, dtime) == 1);  // Y, not X!
1595                                 UASSERT(fabs(dtime - 2.500) < 0.001);
1596                         }
1597                         {
1598                                 aabb3f s(bx, by, bz, bx+1, by+1, bz+1);
1599                                 aabb3f m(bx+2, by-1.5, bz, bx+2.5, by-0.5, bz+1);
1600                                 v3f v(-0.5, 0.3, 0);
1601                                 f32 dtime;
1602                                 UASSERT(axisAlignedCollision(s, m, v, 0, dtime) == 0);
1603                                 UASSERT(fabs(dtime - 2.000) < 0.001);
1604                         }
1605
1606                         // TODO: Y-, Y+, Z-, Z+
1607
1608                         // misc
1609                         {
1610                                 aabb3f s(bx, by, bz, bx+2, by+2, bz+2);
1611                                 aabb3f m(bx+2.3, by+2.29, bz+2.29, bx+4.2, by+4.2, bz+4.2);
1612                                 v3f v(-1./3, -1./3, -1./3);
1613                                 f32 dtime;
1614                                 UASSERT(axisAlignedCollision(s, m, v, 0, dtime) == 0);
1615                                 UASSERT(fabs(dtime - 0.9) < 0.001);
1616                         }
1617                         {
1618                                 aabb3f s(bx, by, bz, bx+2, by+2, bz+2);
1619                                 aabb3f m(bx+2.29, by+2.3, bz+2.29, bx+4.2, by+4.2, bz+4.2);
1620                                 v3f v(-1./3, -1./3, -1./3);
1621                                 f32 dtime;
1622                                 UASSERT(axisAlignedCollision(s, m, v, 0, dtime) == 1);
1623                                 UASSERT(fabs(dtime - 0.9) < 0.001);
1624                         }
1625                         {
1626                                 aabb3f s(bx, by, bz, bx+2, by+2, bz+2);
1627                                 aabb3f m(bx+2.29, by+2.29, bz+2.3, bx+4.2, by+4.2, bz+4.2);
1628                                 v3f v(-1./3, -1./3, -1./3);
1629                                 f32 dtime;
1630                                 UASSERT(axisAlignedCollision(s, m, v, 0, dtime) == 2);
1631                                 UASSERT(fabs(dtime - 0.9) < 0.001);
1632                         }
1633                         {
1634                                 aabb3f s(bx, by, bz, bx+2, by+2, bz+2);
1635                                 aabb3f m(bx-4.2, by-4.2, bz-4.2, bx-2.3, by-2.29, bz-2.29);
1636                                 v3f v(1./7, 1./7, 1./7);
1637                                 f32 dtime;
1638                                 UASSERT(axisAlignedCollision(s, m, v, 0, dtime) == 0);
1639                                 UASSERT(fabs(dtime - 16.1) < 0.001);
1640                         }
1641                         {
1642                                 aabb3f s(bx, by, bz, bx+2, by+2, bz+2);
1643                                 aabb3f m(bx-4.2, by-4.2, bz-4.2, bx-2.29, by-2.3, bz-2.29);
1644                                 v3f v(1./7, 1./7, 1./7);
1645                                 f32 dtime;
1646                                 UASSERT(axisAlignedCollision(s, m, v, 0, dtime) == 1);
1647                                 UASSERT(fabs(dtime - 16.1) < 0.001);
1648                         }
1649                         {
1650                                 aabb3f s(bx, by, bz, bx+2, by+2, bz+2);
1651                                 aabb3f m(bx-4.2, by-4.2, bz-4.2, bx-2.29, by-2.29, bz-2.3);
1652                                 v3f v(1./7, 1./7, 1./7);
1653                                 f32 dtime;
1654                                 UASSERT(axisAlignedCollision(s, m, v, 0, dtime) == 2);
1655                                 UASSERT(fabs(dtime - 16.1) < 0.001);
1656                         }
1657                 }
1658         }
1659 };
1660
1661 struct TestSocket: public TestBase
1662 {
1663         void Run()
1664         {
1665                 const int port = 30003;
1666                 Address address(0,0,0,0, port);
1667                 Address address6((IPv6AddressBytes*) NULL, port);
1668
1669                 // IPv6 socket test
1670                 {
1671                         UDPSocket socket6;
1672
1673                         if (!socket6.init(true, true)) {
1674                                 /* Note: Failing to create an IPv6 socket is not technically an
1675                                    error because the OS may not support IPv6 or it may
1676                                    have been disabled. IPv6 is not /required/ by
1677                                    minetest and therefore this should not cause the unit
1678                                    test to fail
1679                                 */
1680                                 dstream << "WARNING: IPv6 socket creation failed (unit test)"
1681                                         << std::endl;
1682                         } else {
1683                                 const char sendbuffer[] = "hello world!";
1684                                 IPv6AddressBytes bytes;
1685                                 bytes.bytes[15] = 1;
1686
1687                                 socket6.Bind(address6);
1688
1689                                 try {
1690                                         socket6.Send(Address(&bytes, port), sendbuffer, sizeof(sendbuffer));
1691
1692                                         sleep_ms(50);
1693
1694                                         char rcvbuffer[256] = { 0 };
1695                                         Address sender;
1696
1697                                         for(;;) {
1698                                                 if (socket6.Receive(sender, rcvbuffer, sizeof(rcvbuffer )) < 0)
1699                                                         break;
1700                                         }
1701                                         //FIXME: This fails on some systems
1702                                         UASSERT(strncmp(sendbuffer, rcvbuffer, sizeof(sendbuffer)) == 0);
1703                                         UASSERT(memcmp(sender.getAddress6().sin6_addr.s6_addr,
1704                                                         Address(&bytes, 0).getAddress6().sin6_addr.s6_addr, 16) == 0);
1705                                 }
1706                                 catch (SendFailedException e) {
1707                                         errorstream << "IPv6 support enabled but not available!"
1708                                                     << std::endl;
1709                                 }
1710                         }
1711                 }
1712
1713                 // IPv4 socket test
1714                 {
1715                         UDPSocket socket(false);
1716                         socket.Bind(address);
1717
1718                         const char sendbuffer[] = "hello world!";
1719                         socket.Send(Address(127, 0, 0 ,1, port), sendbuffer, sizeof(sendbuffer));
1720
1721                         sleep_ms(50);
1722
1723                         char rcvbuffer[256] = { 0 };
1724                         Address sender;
1725                         for(;;) {
1726                                 if (socket.Receive(sender, rcvbuffer, sizeof(rcvbuffer)) < 0)
1727                                         break;
1728                         }
1729                         //FIXME: This fails on some systems
1730                         UASSERT(strncmp(sendbuffer, rcvbuffer, sizeof(sendbuffer)) == 0);
1731                         UASSERT(sender.getAddress().sin_addr.s_addr ==
1732                                         Address(127, 0, 0, 1, 0).getAddress().sin_addr.s_addr);
1733                 }
1734         }
1735 };
1736
1737 struct TestConnection: public TestBase
1738 {
1739         void TestHelpers()
1740         {
1741                 /*
1742                         Test helper functions
1743                 */
1744
1745                 // Some constants for testing
1746                 u32 proto_id = 0x12345678;
1747                 u16 peer_id = 123;
1748                 u8 channel = 2;
1749                 SharedBuffer<u8> data1(1);
1750                 data1[0] = 100;
1751                 Address a(127,0,0,1, 10);
1752                 const u16 seqnum = 34352;
1753
1754                 con::BufferedPacket p1 = con::makePacket(a, data1,
1755                                 proto_id, peer_id, channel);
1756                 /*
1757                         We should now have a packet with this data:
1758                         Header:
1759                                 [0] u32 protocol_id
1760                                 [4] u16 sender_peer_id
1761                                 [6] u8 channel
1762                         Data:
1763                                 [7] u8 data1[0]
1764                 */
1765                 UASSERT(readU32(&p1.data[0]) == proto_id);
1766                 UASSERT(readU16(&p1.data[4]) == peer_id);
1767                 UASSERT(readU8(&p1.data[6]) == channel);
1768                 UASSERT(readU8(&p1.data[7]) == data1[0]);
1769
1770                 //infostream<<"initial data1[0]="<<((u32)data1[0]&0xff)<<std::endl;
1771
1772                 SharedBuffer<u8> p2 = con::makeReliablePacket(data1, seqnum);
1773
1774                 /*infostream<<"p2.getSize()="<<p2.getSize()<<", data1.getSize()="
1775                                 <<data1.getSize()<<std::endl;
1776                 infostream<<"readU8(&p2[3])="<<readU8(&p2[3])
1777                                 <<" p2[3]="<<((u32)p2[3]&0xff)<<std::endl;
1778                 infostream<<"data1[0]="<<((u32)data1[0]&0xff)<<std::endl;*/
1779
1780                 UASSERT(p2.getSize() == 3 + data1.getSize());
1781                 UASSERT(readU8(&p2[0]) == TYPE_RELIABLE);
1782                 UASSERT(readU16(&p2[1]) == seqnum);
1783                 UASSERT(readU8(&p2[3]) == data1[0]);
1784         }
1785
1786         struct Handler : public con::PeerHandler
1787         {
1788                 Handler(const char *a_name)
1789                 {
1790                         count = 0;
1791                         last_id = 0;
1792                         name = a_name;
1793                 }
1794                 void peerAdded(con::Peer *peer)
1795                 {
1796                         infostream<<"Handler("<<name<<")::peerAdded(): "
1797                                         "id="<<peer->id<<std::endl;
1798                         last_id = peer->id;
1799                         count++;
1800                 }
1801                 void deletingPeer(con::Peer *peer, bool timeout)
1802                 {
1803                         infostream<<"Handler("<<name<<")::deletingPeer(): "
1804                                         "id="<<peer->id
1805                                         <<", timeout="<<timeout<<std::endl;
1806                         last_id = peer->id;
1807                         count--;
1808                 }
1809
1810                 s32 count;
1811                 u16 last_id;
1812                 const char *name;
1813         };
1814
1815         void Run()
1816         {
1817                 DSTACK("TestConnection::Run");
1818
1819                 TestHelpers();
1820
1821                 /*
1822                         Test some real connections
1823
1824                         NOTE: This mostly tests the legacy interface.
1825                 */
1826
1827                 u32 proto_id = 0xad26846a;
1828
1829                 Handler hand_server("server");
1830                 Handler hand_client("client");
1831
1832                 infostream<<"** Creating server Connection"<<std::endl;
1833                 con::Connection server(proto_id, 512, 5.0, false, &hand_server);
1834                 Address address(0,0,0,0, 30001);
1835                 server.Serve(address);
1836
1837                 infostream<<"** Creating client Connection"<<std::endl;
1838                 con::Connection client(proto_id, 512, 5.0, false, &hand_client);
1839
1840                 UASSERT(hand_server.count == 0);
1841                 UASSERT(hand_client.count == 0);
1842
1843                 sleep_ms(50);
1844
1845                 Address server_address(127,0,0,1, 30001);
1846                 infostream<<"** running client.Connect()"<<std::endl;
1847                 client.Connect(server_address);
1848
1849                 sleep_ms(50);
1850
1851                 // Client should not have added client yet
1852                 UASSERT(hand_client.count == 0);
1853
1854                 try
1855                 {
1856                         u16 peer_id;
1857                         SharedBuffer<u8> data;
1858                         infostream<<"** running client.Receive()"<<std::endl;
1859                         u32 size = client.Receive(peer_id, data);
1860                         infostream<<"** Client received: peer_id="<<peer_id
1861                                         <<", size="<<size
1862                                         <<std::endl;
1863                 }
1864                 catch(con::NoIncomingDataException &e)
1865                 {
1866                 }
1867
1868                 // Client should have added server now
1869                 UASSERT(hand_client.count == 1);
1870                 UASSERT(hand_client.last_id == 1);
1871                 // Server should not have added client yet
1872                 UASSERT(hand_server.count == 0);
1873
1874                 sleep_ms(100);
1875
1876                 try
1877                 {
1878                         u16 peer_id;
1879                         SharedBuffer<u8> data;
1880                         infostream<<"** running server.Receive()"<<std::endl;
1881                         u32 size = server.Receive(peer_id, data);
1882                         infostream<<"** Server received: peer_id="<<peer_id
1883                                         <<", size="<<size
1884                                         <<std::endl;
1885                 }
1886                 catch(con::NoIncomingDataException &e)
1887                 {
1888                         // No actual data received, but the client has
1889                         // probably been connected
1890                 }
1891
1892                 // Client should be the same
1893                 UASSERT(hand_client.count == 1);
1894                 UASSERT(hand_client.last_id == 1);
1895                 // Server should have the client
1896                 UASSERT(hand_server.count == 1);
1897                 UASSERT(hand_server.last_id == 2);
1898
1899                 //sleep_ms(50);
1900
1901                 while(client.Connected() == false)
1902                 {
1903                         try
1904                         {
1905                                 u16 peer_id;
1906                                 SharedBuffer<u8> data;
1907                                 infostream<<"** running client.Receive()"<<std::endl;
1908                                 u32 size = client.Receive(peer_id, data);
1909                                 infostream<<"** Client received: peer_id="<<peer_id
1910                                                 <<", size="<<size
1911                                                 <<std::endl;
1912                         }
1913                         catch(con::NoIncomingDataException &e)
1914                         {
1915                         }
1916                         sleep_ms(50);
1917                 }
1918
1919                 sleep_ms(50);
1920
1921                 try
1922                 {
1923                         u16 peer_id;
1924                         SharedBuffer<u8> data;
1925                         infostream<<"** running server.Receive()"<<std::endl;
1926                         u32 size = server.Receive(peer_id, data);
1927                         infostream<<"** Server received: peer_id="<<peer_id
1928                                         <<", size="<<size
1929                                         <<std::endl;
1930                 }
1931                 catch(con::NoIncomingDataException &e)
1932                 {
1933                 }
1934 #if 1
1935                 /*
1936                         Simple send-receive test
1937                 */
1938                 {
1939                         /*u8 data[] = "Hello World!";
1940                         u32 datasize = sizeof(data);*/
1941                         SharedBuffer<u8> data = SharedBufferFromString("Hello World!");
1942
1943                         infostream<<"** running client.Send()"<<std::endl;
1944                         client.Send(PEER_ID_SERVER, 0, data, true);
1945
1946                         sleep_ms(50);
1947
1948                         u16 peer_id;
1949                         SharedBuffer<u8> recvdata;
1950                         infostream<<"** running server.Receive()"<<std::endl;
1951                         u32 size = server.Receive(peer_id, recvdata);
1952                         infostream<<"** Server received: peer_id="<<peer_id
1953                                         <<", size="<<size
1954                                         <<", data="<<*data
1955                                         <<std::endl;
1956                         UASSERT(memcmp(*data, *recvdata, data.getSize()) == 0);
1957                 }
1958 #endif
1959                 u16 peer_id_client = 2;
1960 #if 0
1961                 /*
1962                         Send consequent packets in different order
1963                         Not compatible with new Connection, thus commented out.
1964                 */
1965                 {
1966                         //u8 data1[] = "hello1";
1967                         //u8 data2[] = "hello2";
1968                         SharedBuffer<u8> data1 = SharedBufferFromString("hello1");
1969                         SharedBuffer<u8> data2 = SharedBufferFromString("Hello2");
1970
1971                         Address client_address =
1972                                         server.GetPeerAddress(peer_id_client);
1973
1974                         infostream<<"*** Sending packets in wrong order (2,1,2)"
1975                                         <<std::endl;
1976
1977                         u8 chn = 0;
1978                         con::Channel *ch = &server.getPeer(peer_id_client)->channels[chn];
1979                         u16 sn = ch->next_outgoing_seqnum;
1980                         ch->next_outgoing_seqnum = sn+1;
1981                         server.Send(peer_id_client, chn, data2, true);
1982                         ch->next_outgoing_seqnum = sn;
1983                         server.Send(peer_id_client, chn, data1, true);
1984                         ch->next_outgoing_seqnum = sn+1;
1985                         server.Send(peer_id_client, chn, data2, true);
1986
1987                         sleep_ms(50);
1988
1989                         infostream<<"*** Receiving the packets"<<std::endl;
1990
1991                         u16 peer_id;
1992                         SharedBuffer<u8> recvdata;
1993                         u32 size;
1994
1995                         infostream<<"** running client.Receive()"<<std::endl;
1996                         peer_id = 132;
1997                         size = client.Receive(peer_id, recvdata);
1998                         infostream<<"** Client received: peer_id="<<peer_id
1999                                         <<", size="<<size
2000                                         <<", data="<<*recvdata
2001                                         <<std::endl;
2002                         UASSERT(size == data1.getSize());
2003                         UASSERT(memcmp(*data1, *recvdata, data1.getSize()) == 0);
2004                         UASSERT(peer_id == PEER_ID_SERVER);
2005
2006                         infostream<<"** running client.Receive()"<<std::endl;
2007                         peer_id = 132;
2008                         size = client.Receive(peer_id, recvdata);
2009                         infostream<<"** Client received: peer_id="<<peer_id
2010                                         <<", size="<<size
2011                                         <<", data="<<*recvdata
2012                                         <<std::endl;
2013                         UASSERT(size == data2.getSize());
2014                         UASSERT(memcmp(*data2, *recvdata, data2.getSize()) == 0);
2015                         UASSERT(peer_id == PEER_ID_SERVER);
2016
2017                         bool got_exception = false;
2018                         try
2019                         {
2020                                 infostream<<"** running client.Receive()"<<std::endl;
2021                                 peer_id = 132;
2022                                 size = client.Receive(peer_id, recvdata);
2023                                 infostream<<"** Client received: peer_id="<<peer_id
2024                                                 <<", size="<<size
2025                                                 <<", data="<<*recvdata
2026                                                 <<std::endl;
2027                         }
2028                         catch(con::NoIncomingDataException &e)
2029                         {
2030                                 infostream<<"** No incoming data for client"<<std::endl;
2031                                 got_exception = true;
2032                         }
2033                         UASSERT(got_exception);
2034                 }
2035 #endif
2036 #if 0
2037                 /*
2038                         Send large amounts of packets (infinite test)
2039                         Commented out because of infinity.
2040                 */
2041                 {
2042                         infostream<<"Sending large amounts of packets (infinite test)"<<std::endl;
2043                         int sendcount = 0;
2044                         for(;;){
2045                                 int datasize = myrand_range(0,5)==0?myrand_range(100,10000):myrand_range(0,100);
2046                                 infostream<<"datasize="<<datasize<<std::endl;
2047                                 SharedBuffer<u8> data1(datasize);
2048                                 for(u16 i=0; i<datasize; i++)
2049                                         data1[i] = i/4;
2050
2051                                 int sendtimes = myrand_range(1,10);
2052                                 for(int i=0; i<sendtimes; i++){
2053                                         server.Send(peer_id_client, 0, data1, true);
2054                                         sendcount++;
2055                                 }
2056                                 infostream<<"sendcount="<<sendcount<<std::endl;
2057
2058                                 //int receivetimes = myrand_range(1,20);
2059                                 int receivetimes = 20;
2060                                 for(int i=0; i<receivetimes; i++){
2061                                         SharedBuffer<u8> recvdata;
2062                                         u16 peer_id = 132;
2063                                         u16 size = 0;
2064                                         bool received = false;
2065                                         try{
2066                                                 size = client.Receive(peer_id, recvdata);
2067                                                 received = true;
2068                                         }catch(con::NoIncomingDataException &e){
2069                                         }
2070                                 }
2071                         }
2072                 }
2073 #endif
2074                 /*
2075                         Send a large packet
2076                 */
2077                 {
2078                         const int datasize = 30000;
2079                         SharedBuffer<u8> data1(datasize);
2080                         for(u16 i=0; i<datasize; i++){
2081                                 data1[i] = i/4;
2082                         }
2083
2084                         infostream<<"Sending data (size="<<datasize<<"):";
2085                         for(int i=0; i<datasize && i<20; i++){
2086                                 if(i%2==0) infostream<<" ";
2087                                 char buf[10];
2088                                 snprintf(buf, 10, "%.2X", ((int)((const char*)*data1)[i])&0xff);
2089                                 infostream<<buf;
2090                         }
2091                         if(datasize>20)
2092                                 infostream<<"...";
2093                         infostream<<std::endl;
2094
2095                         server.Send(peer_id_client, 0, data1, true);
2096
2097                         //sleep_ms(3000);
2098
2099                         SharedBuffer<u8> recvdata;
2100                         infostream<<"** running client.Receive()"<<std::endl;
2101                         u16 peer_id = 132;
2102                         u16 size = 0;
2103                         bool received = false;
2104                         u32 timems0 = porting::getTimeMs();
2105                         for(;;){
2106                                 if(porting::getTimeMs() - timems0 > 5000 || received)
2107                                         break;
2108                                 try{
2109                                         size = client.Receive(peer_id, recvdata);
2110                                         received = true;
2111                                 }catch(con::NoIncomingDataException &e){
2112                                 }
2113                                 sleep_ms(10);
2114                         }
2115                         UASSERT(received);
2116                         infostream<<"** Client received: peer_id="<<peer_id
2117                                         <<", size="<<size
2118                                         <<std::endl;
2119
2120                         infostream<<"Received data (size="<<size<<"): ";
2121                         for(int i=0; i<size && i<20; i++){
2122                                 if(i%2==0) infostream<<" ";
2123                                 char buf[10];
2124                                 snprintf(buf, 10, "%.2X", ((int)(recvdata[i]))&0xff);
2125                                 infostream<<buf;
2126                         }
2127                         if(size>20)
2128                                 infostream<<"...";
2129                         infostream<<std::endl;
2130
2131                         UASSERT(memcmp(*data1, *recvdata, data1.getSize()) == 0);
2132                         UASSERT(peer_id == PEER_ID_SERVER);
2133                 }
2134
2135                 // Check peer handlers
2136                 UASSERT(hand_client.count == 1);
2137                 UASSERT(hand_client.last_id == 1);
2138                 UASSERT(hand_server.count == 1);
2139                 UASSERT(hand_server.last_id == 2);
2140
2141                 //assert(0);
2142         }
2143 };
2144
2145 #define TEST(X) do {\
2146         X x;\
2147         infostream<<"Running " #X <<std::endl;\
2148         x.Run();\
2149         tests_run++;\
2150         tests_failed += x.test_failed ? 1 : 0;\
2151 } while (0)
2152
2153 #define TESTPARAMS(X, ...) do {\
2154         X x;\
2155         infostream<<"Running " #X <<std::endl;\
2156         x.Run(__VA_ARGS__);\
2157         tests_run++;\
2158         tests_failed += x.test_failed ? 1 : 0;\
2159 } while (0)
2160
2161 void run_tests()
2162 {
2163         DSTACK(__FUNCTION_NAME);
2164
2165         int tests_run = 0;
2166         int tests_failed = 0;
2167
2168         // Create item and node definitions
2169         IWritableItemDefManager *idef = createItemDefManager();
2170         IWritableNodeDefManager *ndef = createNodeDefManager();
2171         define_some_nodes(idef, ndef);
2172
2173         infostream<<"run_tests() started"<<std::endl;
2174         TEST(TestUtilities);
2175         TEST(TestPath);
2176         TEST(TestSettings);
2177         TEST(TestCompress);
2178         TEST(TestSerialization);
2179         TEST(TestNodedefSerialization);
2180         TESTPARAMS(TestMapNode, ndef);
2181         TESTPARAMS(TestVoxelManipulator, ndef);
2182         TESTPARAMS(TestVoxelAlgorithms, ndef);
2183         TESTPARAMS(TestInventory, idef);
2184         //TEST(TestMapBlock);
2185         //TEST(TestMapSector);
2186         TEST(TestCollision);
2187         if(INTERNET_SIMULATOR == false){
2188                 TEST(TestSocket);
2189                 dout_con<<"=== BEGIN RUNNING UNIT TESTS FOR CONNECTION ==="<<std::endl;
2190                 TEST(TestConnection);
2191                 dout_con<<"=== END RUNNING UNIT TESTS FOR CONNECTION ==="<<std::endl;
2192         }
2193
2194         delete idef;
2195         delete ndef;
2196
2197         if(tests_failed == 0){
2198                 infostream<<"run_tests(): "<<tests_failed<<" / "<<tests_run<<" tests failed."<<std::endl;
2199                 infostream<<"run_tests() passed."<<std::endl;
2200                 return;
2201         } else {
2202                 errorstream<<"run_tests(): "<<tests_failed<<" / "<<tests_run<<" tests failed."<<std::endl;
2203                 errorstream<<"run_tests() aborting."<<std::endl;
2204                 abort();
2205         }
2206 }
2207