CssSimpleSelectorSequence seq = (CssSimpleSelectorSequence)selector.components.get(0);
assertEquals(CssConstruct.Type.TYPE_SELECTOR, seq.getComponents().get(0).type);
assertEquals(CssConstruct.Type.COMBINATOR, selector.components.get(1).type);
CssSelectorCombinator comb = (CssSelectorCombinator) selector.components.get(1);
assertEquals(CssSelectorCombinator.Type.ADJACENT_SIBLING, comb.subType);
seq = (CssSimpleSelectorSequence)selector.components.get(2);
assertEquals(CssConstruct.Type.TYPE_SELECTOR, seq.getComponents().get(0).type);
}