@Test
  public void testMoveGeom() throws Exception {
    TestEditBlackboard bb = new TestEditBlackboard();
    EditGeom geom = bb.getGeoms().get(0);
    PrimitiveShape shell = geom.getShell();
    bb.addPoint(10, 10, shell);
    bb.addPoint(11, 10, shell);
    bb.addPoint(12, 10, shell);
    bb.addPoint(13, 10, shell);
    bb.addPoint(14, 10, shell);

    bb.moveSelection(1, 0, geom.createSelection());

    assertEquals(Point.valueOf(11, 10), shell.getPoint(0));
    assertEquals(Point.valueOf(12, 10), shell.getPoint(1));
    assertEquals(Point.valueOf(13, 10), shell.getPoint(2));
    assertEquals(Point.valueOf(14, 10), shell.getPoint(3));
    assertEquals(Point.valueOf(15, 10), shell.getPoint(4));
  }