Set<Coord> real = new HashSet<Coord>(coords);
Assert.assertEquals(coords.size(), real.size());
Set<Coord> expectedCoords = new HashSet<Coord>();
expectedCoords.add(new Coord(0,0));
expectedCoords.add(new Coord(0,1));
expectedCoords.add(new Coord(1,0));
expectedCoords.add(new Coord(1,1));
expectedCoords.add(new Coord(2,0));
expectedCoords.add(new Coord(2,1));
expectedCoords.add(new Coord(3,0));
expectedCoords.add(new Coord(4,0));
TestSuite.assertSetsEquals(expectedCoords, real);
}