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