@Test
public void testRegionPositions() {
CoreRegistry.setContext(new ContextImpl());
CoreRegistry.put(Config.class, new Config(new MockContext()));
assertEquals(1, ChunkMath.calcChunkPos(Region3i.createFromMinMax(new Vector3i(0, 0, 0), new Vector3i(0, 0, 0))).length);
assertEquals(1, ChunkMath.calcChunkPos(Region3i.createFromMinMax(new Vector3i(0, 0, 0), new Vector3i(31, 63, 31))).length);
assertEquals(2, ChunkMath.calcChunkPos(Region3i.createFromMinMax(new Vector3i(0, 0, 0), new Vector3i(32, 63, 31))).length);
assertEquals(4, ChunkMath.calcChunkPos(Region3i.createFromMinMax(new Vector3i(0, 0, 0), new Vector3i(32, 63, 32))).length);
assertEquals(8, ChunkMath.calcChunkPos(Region3i.createFromMinMax(new Vector3i(0, 0, 0), new Vector3i(32, 64, 32))).length);
assertEquals(12, ChunkMath.calcChunkPos(Region3i.createFromMinMax(new Vector3i(-1, 0, 0), new Vector3i(32, 64, 32))).length);
Vector3i[] chunks = ChunkMath.calcChunkPos(Region3i.createFromMinMax(new Vector3i(0, 0, 0), new Vector3i(32, 63, 31)));
assertEquals(new Vector3i(0, 0, 0), chunks[0]);
assertEquals(new Vector3i(1, 0, 0), chunks[1]);
}
}