assertFalse(r1.intersects(-2.0, -1.0));
assertFalse(r1.intersects(-2.0, 0.0));
assertTrue(r1.intersects(-2.0, 0.5));
assertTrue(r1.intersects(-2.0, 1.0));
assertTrue(r1.intersects(-2.0, 1.5));
assertTrue(r1.intersects(0.0, 0.5));
assertTrue(r1.intersects(0.0, 1.0));
assertTrue(r1.intersects(0.0, 1.5));
assertTrue(r1.intersects(0.5, 0.6));
assertTrue(r1.intersects(0.5, 1.0));
assertTrue(r1.intersects(0.5, 1.5));