@Test
 public void testIsMeasured() throws Exception {
   assertFalse(testSeq2D.isMeasured());
   assertFalse(testSeq3D.isMeasured());
   assertTrue(testSeq2DM.isMeasured());
   assertTrue(testSeq3DM.isMeasured());
   assertFalse(testEmpty.isMeasured());
 }