@Test
public void testLeftAssociativeComposition() throws RuleException {

    final CompositeRule rule = new LeftAssociativeComposition(L, R);
    final Item targetColumn = rule.apply(sourceColumn);
    assertSame(L, rule.getRule(0));
    assertSame(R, rule.getRule(1));
    assertEquals("R", targetColumn.getName());
    assertEquals("R", targetColumn.getLongName());
    assertEquals("L", targetColumn.getRole());
}