Assert.assertEquals(Region.Location.OUTSIDE, set.checkPoint(new Vector1D(0.0)));
Assert.assertEquals(Region.Location.OUTSIDE, set.checkPoint(new Vector1D(4.0)));
Assert.assertEquals(Region.Location.OUTSIDE, set.checkPoint(new Vector1D(8.0)));
Assert.assertEquals(Region.Location.OUTSIDE, set.checkPoint(new Vector1D(12.0)));
Assert.assertEquals(Region.Location.INSIDE, set.checkPoint(new Vector1D(1.2)));
Assert.assertEquals(Region.Location.INSIDE, set.checkPoint(new Vector1D(5.9)));
Assert.assertEquals(Region.Location.INSIDE, set.checkPoint(new Vector1D(9.01)));
Assert.assertEquals(Region.Location.BOUNDARY, set.checkPoint(new Vector1D(5.0)));
Assert.assertEquals(Region.Location.BOUNDARY, set.checkPoint(new Vector1D(11.0)));
Assert.assertEquals( 1.0, set.getInf(), 1.0e-10);
Assert.assertEquals(11.0, set.getSup(), 1.0e-10);