@Test
public void testRadius1Center3And5() {
MooreNeighborhood mooreNeighborhood = new MooreNeighborhood(1);
Set<CellCoordinates> neighborhood = mooreNeighborhood.cellNeighbors(new Cords2D(3, 5));
Set<CellCoordinates> expected = new HashSet<>();
expected.add(new Cords2D(2, 4));
expected.add(new Cords2D(3, 4));
expected.add(new Cords2D(4, 4));
expected.add(new Cords2D(2, 5));
expected.add(new Cords2D(4, 5));
expected.add(new Cords2D(2, 6));
expected.add(new Cords2D(3, 6));
expected.add(new Cords2D(4, 6));
assertEquals(expected, neighborhood);
}
@Test
public void testRadius1Center0And2Size4by3Wrap() {
MooreNeighborhood mooreNeighborhood = new MooreNeighborhood(1, true, 4, 3);
Set<CellCoordinates> neighbors = mooreNeighborhood.cellNeighbors(new Cords2D(0, 2));
Set<CellCoordinates> expected = new HashSet<>();
expected.add(new Cords2D(3, 1));
expected.add(new Cords2D(0, 1));
expected.add(new Cords2D(1, 1));
expected.add(new Cords2D(3, 2));
expected.add(new Cords2D(1, 2));
expected.add(new Cords2D(3, 0));
expected.add(new Cords2D(0, 0));
expected.add(new Cords2D(1, 0));
assertEquals(expected, neighbors);
}
@Test
public void testRadius2Center0And0() {
MooreNeighborhood mooreNeighborhood = new MooreNeighborhood(2);
Set<CellCoordinates> neighborhood = mooreNeighborhood.cellNeighbors(new Cords2D(0, 0));
Set<CellCoordinates> expected = new HashSet<>();
expected.add(new Cords2D(-2, -2));
expected.add(new Cords2D(-1, -2));
expected.add(new Cords2D(0, -2));
expected.add(new Cords2D(1, -2));
expected.add(new Cords2D(2, -2));
expected.add(new Cords2D(-2, -1));
expected.add(new Cords2D(-1, -1));
expected.add(new Cords2D(0, -1));
expected.add(new Cords2D(1, -1));
expected.add(new Cords2D(2, -1));
expected.add(new Cords2D(-2, 0));
expected.add(new Cords2D(-1, 0));
expected.add(new Cords2D(1, 0));
expected.add(new Cords2D(2, 0));
expected.add(new Cords2D(-2, 1));
expected.add(new Cords2D(-1, 1));
expected.add(new Cords2D(0, 1));
expected.add(new Cords2D(1, 1));
expected.add(new Cords2D(2, 1));
expected.add(new Cords2D(-2, 2));
expected.add(new Cords2D(-1, 2));
expected.add(new Cords2D(0, 2));
expected.add(new Cords2D(1, 2));
expected.add(new Cords2D(2, 2));
assertEquals(expected, neighborhood);
}
@Test(expected = NotSupportedCellCoordinates.class)
public void testUnknownCellCoordinatesType() {
MooreNeighborhood mooreNeighborhood = new MooreNeighborhood(1);
mooreNeighborhood.cellNeighbors(new CellCoordinates() {});
}
@Test
public void testToString() throws Exception {
MooreNeighborhood neighborhood = new MooreNeighborhood(3);
assertEquals("MooreNeighborhood{3}", neighborhood.toString());
}