@Test
public void testRowCFRange() {

  RowColumn rc1 = new RowColumn(rw1b, new Column(cf1b));
  RowColumn frc1 = rc1.following();
  RowColumn rc2 = new RowColumn(rw2b, new Column(cf2b));
  RowColumn frc2 = rc2.following();
  Assert.assertEquals(new Span(rc1, true, frc2, false),
      Span.newBuilder().startRow(rw1b).fam(cf1b).endRow(rw2b).fam(cf2b).build());
  Assert.assertEquals(new Span(rc1, true, rc2, false),
      Span.newBuilder().startRow(rw1b).fam(cf1b).endRow(rw2b).fam(cf2b).exclusive().build());
  Assert.assertEquals(new Span(frc1, true, frc2, false),
      Span.newBuilder().startRow(rw1b).fam(cf1b).exclusive().endRow(rw2b).fam(cf2b).build());
  Assert.assertEquals(new Span(frc1, true, rc2, false), Span.newBuilder().startRow(rw1b).fam(cf1b)
      .exclusive().endRow(rw2b).fam(cf2b).exclusive().build());
}