summaryrefslogtreecommitdiff
path: root/src/unittest/test.cpp
blob: a783ccd3293d7cbea5c6a06f8c8ae4a4f3465dda (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/

#include "test.h"

#include "client/sound.h"
#include "nodedef.h"
#include "itemdef.h"
#include "gamedef.h"
#include "modchannels.h"
#include "content/mods.h"
#include "util/numeric.h"
#include "porting.h"

content_t t_CONTENT_STONE;
content_t t_CONTENT_GRASS;
content_t t_CONTENT_TORCH;
content_t t_CONTENT_WATER;
content_t t_CONTENT_LAVA;
content_t t_CONTENT_BRICK;

////////////////////////////////////////////////////////////////////////////////

////
//// TestGameDef
////

class TestGameDef : public IGameDef {
public:
	TestGameDef();
	~TestGameDef();

	IItemDefManager *getItemDefManager() { return m_itemdef; }
	const NodeDefManager *getNodeDefManager() { return m_nodedef; }
	ICraftDefManager *getCraftDefManager() { return m_craftdef; }
	ITextureSource *getTextureSource() { return m_texturesrc; }
	IShaderSource *getShaderSource() { return m_shadersrc; }
	ISoundManager *getSoundManager() { return m_soundmgr; }
	scene::ISceneManager *getSceneManager() { return m_scenemgr; }
	IRollbackManager *getRollbackManager() { return m_rollbackmgr; }
	EmergeManager *getEmergeManager() { return m_emergemgr; }

	scene::IAnimatedMesh *getMesh(const std::string &filename) { return NULL; }
	bool checkLocalPrivilege(const std::string &priv) { return false; }
	u16 allocateUnknownNodeId(const std::string &name) { return 0; }

	void defineSomeNodes();

	virtual const std::vector<ModSpec> &getMods() const
	{
		static std::vector<ModSpec> testmodspec;
		return testmodspec;
	}
	virtual const ModSpec* getModSpec(const std::string &modname) const { return NULL; }
	virtual std::string getModStoragePath() const { return "."; }
	virtual bool registerModStorage(ModMetadata *meta) { return true; }
	virtual void unregisterModStorage(const std::string &name) {}
	bool joinModChannel(const std::string &channel);
	bool leaveModChannel(const std::string &channel);
	bool sendModChannelMessage(const std::string &channel, const std::string &message);
	ModChannel *getModChannel(const std::string &channel)
	{
		return m_modchannel_mgr->getModChannel(channel);
	}

private:
	IItemDefManager *m_itemdef = nullptr;
	const NodeDefManager *m_nodedef = nullptr;
	ICraftDefManager *m_craftdef = nullptr;
	ITextureSource *m_texturesrc = nullptr;
	IShaderSource *m_shadersrc = nullptr;
	ISoundManager *m_soundmgr = nullptr;
	scene::ISceneManager *m_scenemgr = nullptr;
	IRollbackManager *m_rollbackmgr = nullptr;
	EmergeManager *m_emergemgr = nullptr;
	std::unique_ptr<ModChannelMgr> m_modchannel_mgr;
};


TestGameDef::TestGameDef() :
	m_modchannel_mgr(new ModChannelMgr())
{
	m_itemdef = createItemDefManager();
	m_nodedef = createNodeDefManager();

	defineSomeNodes();
}


TestGameDef::~TestGameDef()
{
	delete m_itemdef;
	delete m_nodedef;
}


void TestGameDef::defineSomeNodes()
{
	IWritableItemDefManager *idef = (IWritableItemDefManager *)m_itemdef;
	NodeDefManager *ndef = (NodeDefManager *)m_nodedef;

	ItemDefinition itemdef;
	ContentFeatures f;

	//// Stone
	itemdef = ItemDefinition();
	itemdef.type = ITEM_NODE;
	itemdef.name = "default:stone";
	itemdef.description = "Stone";
	itemdef.groups["cracky"] = 3;
	itemdef.inventory_image = "[inventorycube"
		"{default_stone.png"
		"{default_stone.png"
		"{default_stone.png";
	f = ContentFeatures();
	f.name = itemdef.name;
	for (TileDef &tiledef : f.tiledef)
		tiledef.name = "default_stone.png";
	f.is_ground_content = true;
	idef->registerItem(itemdef);
	t_CONTENT_STONE = ndef->set(f.name, f);

	//// Grass
	itemdef = ItemDefinition();
	itemdef.type = ITEM_NODE;
	itemdef.name = "default:dirt_with_grass";
	itemdef.description = "Dirt with grass";
	itemdef.groups["crumbly"] = 3;
	itemdef.inventory_image = "[inventorycube"
		"{default_grass.png"
		"{default_dirt.png&default_grass_side.png"
		"{default_dirt.png&default_grass_side.png";
	f = ContentFeatures();
	f.name = itemdef.name;
	f.tiledef[0].name = "default_grass.png";
	f.tiledef[1].name = "default_dirt.png";
	for(int i = 2; i < 6; i++)
		f.tiledef[i].name = "default_dirt.png^default_grass_side.png";
	f.is_ground_content = true;
	idef->registerItem(itemdef);
	t_CONTENT_GRASS = ndef->set(f.name, f);

	//// Torch (minimal definition for lighting tests)
	itemdef = ItemDefinition();
	itemdef.type = ITEM_NODE;
	itemdef.name = "default:torch";
	f = ContentFeatures();
	f.name = itemdef.name;
	f.param_type = CPT_LIGHT;
	f.light_propagates = true;
	f.sunlight_propagates = true;
	f.light_source = LIGHT_MAX-1;
	idef->registerItem(itemdef);
	t_CONTENT_TORCH = ndef->set(f.name, f);

	//// Water
	itemdef = ItemDefinition();
	itemdef.type = ITEM_NODE;
	itemdef.name = "default:water";
	itemdef.description = "Water";
	itemdef.inventory_image = "[inventorycube"
		"{default_water.png"
		"{default_water.png"
		"{default_water.png";
	f = ContentFeatures();
	f.name = itemdef.name;
	f.alpha = 128;
	f.liquid_type = LIQUID_SOURCE;
	f.liquid_viscosity = 4;
	f.is_ground_content = true;
	f.groups["liquids"] = 3;
	for (TileDef &tiledef : f.tiledef)
		tiledef.name = "default_water.png";
	idef->registerItem(itemdef);
	t_CONTENT_WATER = ndef->set(f.name, f);

	//// Lava
	itemdef = ItemDefinition();
	itemdef.type = ITEM_NODE;
	itemdef.name = "default:lava";
	itemdef.description = "Lava";
	itemdef.inventory_image = "[inventorycube"
		"{default_lava.png"
		"{default_lava.png"
		"{default_lava.png";
	f = ContentFeatures();
	f.name = itemdef.name;
	f.alpha = 128;
	f.liquid_type = LIQUID_SOURCE;
	f.liquid_viscosity = 7;
	f.light_source = LIGHT_MAX-1;
	f.is_ground_content = true;
	f.groups["liquids"] = 3;
	for (TileDef &tiledef : f.tiledef)
		tiledef.name = "default_lava.png";
	idef->registerItem(itemdef);
	t_CONTENT_LAVA = ndef->set(f.name, f);


	//// Brick
	itemdef = ItemDefinition();
	itemdef.type = ITEM_NODE;
	itemdef.name = "default:brick";
	itemdef.description = "Brick";
	itemdef.groups["cracky"] = 3;
	itemdef.inventory_image = "[inventorycube"
		"{default_brick.png"
		"{default_brick.png"
		"{default_brick.png";
	f = ContentFeatures();
	f.name = itemdef.name;
	for (TileDef &tiledef : f.tiledef)
		tiledef.name = "default_brick.png";
	f.is_ground_content = true;
	idef->registerItem(itemdef);
	t_CONTENT_BRICK = ndef->set(f.name, f);
}

bool TestGameDef::joinModChannel(const std::string &channel)
{
	return m_modchannel_mgr->joinChannel(channel, PEER_ID_SERVER);
}

bool TestGameDef::leaveModChannel(const std::string &channel)
{
	return m_modchannel_mgr->leaveChannel(channel, PEER_ID_SERVER);
}

bool TestGameDef::sendModChannelMessage(const std::string &channel,
	const std::string &message)
{
	if (!m_modchannel_mgr->channelRegistered(channel))
		return false;

	return true;
}

////
//// run_tests
////

bool run_tests()
{
	u64 t1 = porting::getTimeMs();
	TestGameDef gamedef;

	g_logger.setLevelSilenced(LL_ERROR, true);

	u32 num_modules_failed     = 0;
	u32 num_total_tests_failed = 0;
	u32 num_total_tests_run    = 0;
	std::vector<TestBase *> &testmods = TestManager::getTestModules();
	for (size_t i = 0; i != testmods.size(); i++) {
		if (!testmods[i]->testModule(&gamedef))
			num_modules_failed++;

		num_total_tests_failed += testmods[i]->num_tests_failed;
		num_total_tests_run += testmods[i]->num_tests_run;
	}

	u64 tdiff = porting::getTimeMs() - t1;

	g_logger.setLevelSilenced(LL_ERROR, false);

	const char *overall_status = (num_modules_failed == 0) ? "PASSED" : "FAILED";

	rawstream
		<< "++++++++++++++++++++++++++++++++++++++++"
		<< "++++++++++++++++++++++++++++++++++++++++" << std::endl
		<< "Unit Test Results: " << overall_status << std::endl
		<< "    " << num_modules_failed << " / " << testmods.size()
		<< " failed modules (" << num_total_tests_failed << " / "
		<< num_total_tests_run << " failed individual tests)." << std::endl
		<< "    Testing took " << tdiff << "ms total." << std::endl
		<< "++++++++++++++++++++++++++++++++++++++++"
		<< "++++++++++++++++++++++++++++++++++++++++" << std::endl;

	return num_modules_failed;
}

////
//// TestBase
////

bool TestBase::testModule(IGameDef *gamedef)
{
	rawstream << "======== Testing module " << getName() << std::endl;
	u64 t1 = porting::getTimeMs();


	runTests(gamedef);

	u64 tdiff = porting::getTimeMs() - t1;
	rawstream << "======== Module " << getName() << " "
		<< (num_tests_failed ? "failed" : "passed") << " (" << num_tests_failed
		<< " failures / " << num_tests_run << " tests) - " << tdiff
		<< "ms" << std::endl;

	if (!m_test_dir.empty())
		fs::RecursiveDelete(m_test_dir);

	return num_tests_failed == 0;
}

std::string TestBase::getTestTempDirectory()
{
	if (!m_test_dir.empty())
		return m_test_dir;

	char buf[32];
	porting::mt_snprintf(buf, sizeof(buf), "%08X", myrand());

	m_test_dir = fs::TempPath() + DIR_DELIM "mttest_" + buf;
	if (!fs::CreateDir(m_test_dir))
		throw TestFailedException();

	return m_test_dir;
}

std::string TestBase::getTestTempFile()
{
	char buf[32];
	porting::mt_snprintf(buf, sizeof(buf), "%08X", myrand());

	return getTestTempDirectory() + DIR_DELIM + buf + ".tmp";
}


/*
	NOTE: These tests became non-working then NodeContainer was removed.
	      These should be redone, utilizing some kind of a virtual
		  interface for Map (IMap would be fine).
*/
#if 0
struct TestMapBlock: public TestBase
{
	class TC : public NodeContainer
	{
	public:

		MapNode node;
		bool position_valid;
		core::list<v3s16> validity_exceptions;

		TC()
		{
			position_valid = true;
		}

		virtual bool isValidPosition(v3s16 p)
		{
			//return position_valid ^ (p==position_valid_exception);
			bool exception = false;
			for(core::list<v3s16>::Iterator i=validity_exceptions.begin();
					i != validity_exceptions.end(); i++)
			{
				if(p == *i)
				{
					exception = true;
					break;
				}
			}
			return exception ? !position_valid : position_valid;
		}

		virtual MapNode getNode(v3s16 p)
		{
			if(isValidPosition(p) == false)
				throw InvalidPositionException();
			return node;
		}

		virtual void setNode(v3s16 p, MapNode & n)
		{
			if(isValidPosition(p) == false)
				throw InvalidPositionException();
		};

		virtual u16 nodeContainerId() const
		{
			return 666;
		}
	};

	void Run()
	{
		TC parent;

		MapBlock b(&parent, v3s16(1,1,1));
		v3s16 relpos(MAP_BLOCKSIZE, MAP_BLOCKSIZE, MAP_BLOCKSIZE);

		UASSERT(b.getPosRelative() == relpos);

		UASSERT(b.getBox().MinEdge.X == MAP_BLOCKSIZE);
		UASSERT(b.getBox().MaxEdge.X == MAP_BLOCKSIZE*2-1);
		UASSERT(b.getBox().MinEdge.Y == MAP_BLOCKSIZE);
		UASSERT(b.getBox().MaxEdge.Y == MAP_BLOCKSIZE*2-1);
		UASSERT(b.getBox().MinEdge.Z == MAP_BLOCKSIZE);
		UASSERT(b.getBox().MaxEdge.Z == MAP_BLOCKSIZE*2-1);

		UASSERT(b.isValidPosition(v3s16(0,0,0)) == true);
		UASSERT(b.isValidPosition(v3s16(-1,0,0)) == false);
		UASSERT(b.isValidPosition(v3s16(-1,-142,-2341)) == false);
		UASSERT(b.isValidPosition(v3s16(-124,142,2341)) == false);
		UASSERT(b.isValidPosition(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1)) == true);
		UASSERT(b.isValidPosition(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE,MAP_BLOCKSIZE-1)) == false);

		/*
			TODO: this method should probably be removed
			if the block size isn't going to be set variable
		*/
		/*UASSERT(b.getSizeNodes() == v3s16(MAP_BLOCKSIZE,
				MAP_BLOCKSIZE, MAP_BLOCKSIZE));*/

		// Changed flag should be initially set
		UASSERT(b.getModified() == MOD_STATE_WRITE_NEEDED);
		b.resetModified();
		UASSERT(b.getModified() == MOD_STATE_CLEAN);

		// All nodes should have been set to
		// .d=CONTENT_IGNORE and .getLight() = 0
		for(u16 z=0; z<MAP_BLOCKSIZE; z++)
		for(u16 y=0; y<MAP_BLOCKSIZE; y++)
		for(u16 x=0; x<MAP_BLOCKSIZE; x++)
		{
			//UASSERT(b.getNode(v3s16(x,y,z)).getContent() == CONTENT_AIR);
			UASSERT(b.getNode(v3s16(x,y,z)).getContent() == CONTENT_IGNORE);
			UASSERT(b.getNode(v3s16(x,y,z)).getLight(LIGHTBANK_DAY) == 0);
			UASSERT(b.getNode(v3s16(x,y,z)).getLight(LIGHTBANK_NIGHT) == 0);
		}

		{
			MapNode n(CONTENT_AIR);
			for(u16 z=0; z<MAP_BLOCKSIZE; z++)
			for(u16 y=0; y<MAP_BLOCKSIZE; y++)
			for(u16 x=0; x<MAP_BLOCKSIZE; x++)
			{
				b.setNode(v3s16(x,y,z), n);
			}
		}

		/*
			Parent fetch functions
		*/
		parent.position_valid = false;
		parent.node.setContent(5);

		MapNode n;

		// Positions in the block should still be valid
		UASSERT(b.isValidPositionParent(v3s16(0,0,0)) == true);
		UASSERT(b.isValidPositionParent(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1)) == true);
		n = b.getNodeParent(v3s16(0,MAP_BLOCKSIZE-1,0));
		UASSERT(n.getContent() == CONTENT_AIR);

		// ...but outside the block they should be invalid
		UASSERT(b.isValidPositionParent(v3s16(-121,2341,0)) == false);
		UASSERT(b.isValidPositionParent(v3s16(-1,0,0)) == false);
		UASSERT(b.isValidPositionParent(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE)) == false);

		{
			bool exception_thrown = false;
			try{
				// This should throw an exception
				MapNode n = b.getNodeParent(v3s16(0,0,-1));
			}
			catch(InvalidPositionException &e)
			{
				exception_thrown = true;
			}
			UASSERT(exception_thrown);
		}

		parent.position_valid = true;
		// Now the positions outside should be valid
		UASSERT(b.isValidPositionParent(v3s16(-121,2341,0)) == true);
		UASSERT(b.isValidPositionParent(v3s16(-1,0,0)) == true);
		UASSERT(b.isValidPositionParent(v3s16(MAP_BLOCKSIZE-1,MAP_BLOCKSIZE-1,MAP_BLOCKSIZE)) == true);
		n = b.getNodeParent(v3s16(0,0,MAP_BLOCKSIZE));
		UASSERT(n.getContent() == 5);

		/*
			Set a node
		*/
		v3s16 p(1,2,0);
		n.setContent(4);
		b.setNode(p, n);
		UASSERT(b.getNode(p).getContent() == 4);
		//TODO: Update to new system
		/*UASSERT(b.getNodeTile(p) == 4);
		UASSERT(b.getNodeTile(v3s16(-1,-1,0)) == 5);*/

		/*
			propagateSunlight()
		*/
		// Set lighting of all nodes to 0
		for(u16 z=0; z<MAP_BLOCKSIZE; z++){
			for(u16 y=0; y<MAP_BLOCKSIZE; y++){
				for(u16 x=0; x<MAP_BLOCKSIZE; x++){
					MapNode n = b.getNode(v3s16(x,y,z));
					n.setLight(LIGHTBANK_DAY, 0);
					n.setLight(LIGHTBANK_NIGHT, 0);
					b.setNode(v3s16(x,y,z), n);
				}
			}
		}
		{
			/*
				Check how the block handles being a lonely sky block
			*/
			parent.position_valid = true;
			b.setIsUnderground(false);
			parent.node.setContent(CONTENT_AIR);
			parent.node.setLight(LIGHTBANK_DAY, LIGHT_SUN);
			parent.node.setLight(LIGHTBANK_NIGHT, 0);
			core::map<v3s16, bool> light_sources;
			// The bottom block is invalid, because we have a shadowing node
			UASSERT(b.propagateSunlight(light_sources) == false);
			UASSERT(b.getNode(v3s16(1,4,0)).getLight(LIGHTBANK_DAY) == LIGHT_SUN);
			UASSERT(b.getNode(v3s16(1,3,0)).getLight(LIGHTBANK_DAY) == LIGHT_SUN);
			UASSERT(b.getNode(v3s16(1,2,0)).getLight(LIGHTBANK_DAY) == 0);
			UASSERT(b.getNode(v3s16(1,1,0)).getLight(LIGHTBANK_DAY) == 0);
			UASSERT(b.getNode(v3s16(1,0,0)).getLight(LIGHTBANK_DAY) == 0);
			UASSERT(b.getNode(v3s16(1,2,3)).getLight(LIGHTBANK_DAY) == LIGHT_SUN);
			UASSERT(b.getFaceLight2(1000, p, v3s16(0,1,0)) == LIGHT_SUN);
			UASSERT(b.getFaceLight2(1000, p, v3s16(0,-1,0)) == 0);
			UASSERT(b.getFaceLight2(0, p, v3s16(0,-1,0)) == 0);
			// According to MapBlock::getFaceLight,
			// The face on the z+ side should have double-diminished light
			//UASSERT(b.getFaceLight(p, v3s16(0,0,1)) == diminish_light(diminish_light(LIGHT_MAX)));
			// The face on the z+ side should have diminished light
			UASSERT(b.getFaceLight2(1000, p, v3s16(0,0,1)) == diminish_light(LIGHT_MAX));
		}
		/*
			Check how the block handles being in between blocks with some non-sunlight
			while being underground
		*/
		{
			// Make neighbours to exist and set some non-sunlight to them
			parent.position_valid = true;
			b.setIsUnderground(true);
			parent.node.setLight(LIGHTBANK_DAY, LIGHT_MAX/2);
			core::map<v3s16, bool> light_sources;
			// The block below should be valid because there shouldn't be
			// sunlight in there either
			UASSERT(b.propagateSunlight(light_sources, true) == true);
			// Should not touch nodes that are not affected (that is, all of them)
			//UASSERT(b.getNode(v3s16(1,2,3)).getLight() == LIGHT_SUN);
			// Should set light of non-sunlighted blocks to 0.
			UASSERT(b.getNode(v3s16(1,2,3)).getLight(LIGHTBANK_DAY) == 0);
		}
		/*
			Set up a situation where:
			- There is only air in this block
			- There is a valid non-sunlighted block at the bottom, and
			- Invalid blocks elsewhere.
			- the block is not underground.

			This should result in bottom block invalidity
		*/
		{
			b.setIsUnderground(false);
			// Clear block
			for(u16 z=0; z<MAP_BLOCKSIZE; z++){
				for(u16 y=0; y<MAP_BLOCKSIZE; y++){
					for(u16 x=0; x<MAP_BLOCKSIZE; x++){
						MapNode n;
						n.setContent(CONTENT_AIR);
						n.setLight(LIGHTBANK_DAY, 0);
						b.setNode(v3s16(x,y,z), n);
					}
				}
			}
			// Make neighbours invalid
			parent.position_valid = false;
			// Add exceptions to the top of the bottom block
			for(u16 x=0; x<MAP_BLOCKSIZE; x++)
			for(u16 z=0; z<MAP_BLOCKSIZE; z++)
			{
				parent.validity_exceptions.push_back(v3s16(MAP_BLOCKSIZE+x, MAP_BLOCKSIZE-1, MAP_BLOCKSIZE+z));
			}
			// Lighting value for the valid nodes
			parent.node.setLight(LIGHTBANK_DAY, LIGHT_MAX/2);
			core::map<v3s16, bool> light_sources;
			// Bottom block is not valid
			UASSERT(b.propagateSunlight(light_sources) == false);
		}
	}
};

struct TestMapSector: public TestBase
{
	class TC : public NodeContainer
	{
	public:

		MapNode node;
		bool position_valid;

		TC()
		{
			position_valid = true;
		}

		virtual bool isValidPosition(v3s16 p)
		{
			return position_valid;
		}

		virtual MapNode getNode(v3s16 p)
		{
			if(position_valid == false)
				throw InvalidPositionException();
			return node;
		}

		virtual void setNode(v3s16 p, MapNode & n)
		{
			if(position_valid == false)
				throw InvalidPositionException();
		};

		virtual u16 nodeContainerId() const
		{
			return 666;
		}
	};

	void Run()
	{
		TC parent;
		parent.position_valid = false;

		// Create one with no heightmaps
		ServerMapSector sector(&parent, v2s16(1,1));

		UASSERT(sector.getBlockNoCreateNoEx(0) == nullptr);
		UASSERT(sector.getBlockNoCreateNoEx(1) == nullptr);

		MapBlock * bref = sector.createBlankBlock(-2);

		UASSERT(sector.getBlockNoCreateNoEx(0) == nullptr);
		UASSERT(sector.getBlockNoCreateNoEx(-2) == bref);

		//TODO: Check for AlreadyExistsException

		/*bool exception_thrown = false;
		try{
			sector.getBlock(0);
		}
		catch(InvalidPositionException &e){
			exception_thrown = true;
		}
		UASSERT(exception_thrown);*/

	}
};
#endif