1 files changed, 108 insertions, 0 deletions
diff --git a/src/unittest/test_voxelmanipulator.cpp b/src/unittest/test_voxelmanipulator.cpp
new file mode 100644
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+++ b/src/unittest/test_voxelmanipulator.cpp
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+/*
+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 <algorithm>
+
+#include "gamedef.h"
+#include "log.h"
+#include "voxel.h"
+
+class TestVoxelManipulator : public TestBase {
+public:
+	TestVoxelManipulator() { TestManager::registerTestModule(this); }
+	const char *getName() { return "TestVoxelManipulator"; }
+
+	void runTests(IGameDef *gamedef);
+
+	void testVoxelArea();
+	void testVoxelManipulator(INodeDefManager *nodedef);
+};
+
+static TestVoxelManipulator g_test_instance;
+
+void TestVoxelManipulator::runTests(IGameDef *gamedef)
+{
+	TEST(testVoxelArea);
+	TEST(testVoxelManipulator, gamedef->getNodeDefManager());
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
+void TestVoxelManipulator::testVoxelArea()
+{
+	VoxelArea a(v3s16(-1,-1,-1), v3s16(1,1,1));
+	UASSERT(a.index(0,0,0) == 1*3*3 + 1*3 + 1);
+	UASSERT(a.index(-1,-1,-1) == 0);
+
+	VoxelArea c(v3s16(-2,-2,-2), v3s16(2,2,2));
+	// An area that is 1 bigger in x+ and z-
+	VoxelArea d(v3s16(-2,-2,-3), v3s16(3,2,2));
+
+	std::list<VoxelArea> aa;
+	d.diff(c, aa);
+
+	// Correct results
+	std::vector<VoxelArea> results;
+	results.push_back(VoxelArea(v3s16(-2,-2,-3), v3s16(3,2,-3)));
+	results.push_back(VoxelArea(v3s16(3,-2,-2), v3s16(3,2,2)));
+
+	UASSERT(aa.size() == results.size());
+
+	infostream<<"Result of diff:"<<std::endl;
+	for (std::list<VoxelArea>::const_iterator
+			it = aa.begin(); it != aa.end(); ++it) {
+		it->print(infostream);
+		infostream << std::endl;
+
+		std::vector<VoxelArea>::iterator j;
+		j = std::find(results.begin(), results.end(), *it);
+		UASSERT(j != results.end());
+		results.erase(j);
+	}
+}
+
+
+void TestVoxelManipulator::testVoxelManipulator(INodeDefManager *nodedef)
+{
+	VoxelManipulator v;
+
+	v.print(infostream, nodedef);
+
+	infostream << "*** Setting (-1,0,-1)=2 ***" << std::endl;
+	v.setNodeNoRef(v3s16(-1,0,-1), MapNode(t_CONTENT_GRASS));
+
+	v.print(infostream, nodedef);
+	UASSERT(v.getNode(v3s16(-1,0,-1)).getContent() == t_CONTENT_GRASS);
+
+	infostream << "*** Reading from inexistent (0,0,-1) ***" << std::endl;
+
+	EXCEPTION_CHECK(InvalidPositionException, v.getNode(v3s16(0,0,-1)));
+	v.print(infostream, nodedef);
+
+	infostream << "*** Adding area ***" << std::endl;
+
+	VoxelArea a(v3s16(-1,-1,-1), v3s16(1,1,1));
+	v.addArea(a);
+	v.print(infostream, nodedef);
+
+	UASSERT(v.getNode(v3s16(-1,0,-1)).getContent() == t_CONTENT_GRASS);
+	EXCEPTION_CHECK(InvalidPositionException, v.getNode(v3s16(0,1,1)));
+}