UniqueListTest.java

@Test
    public void bugInGrouper() {
        final TransactionList<String> source = new TransactionList<String>(new BasicEventList<String>());
        final UniqueList<String> uniqueList = new UniqueList<String>(source, String.CASE_INSENSITIVE_ORDER);

        source.add("A");
        source.add("A");
        source.add("B");

        source.beginEvent();
        source.set(0, "B");
        source.set(1, "B");
        source.commitEvent();
        
        assertEquals(GlazedListsTests.stringToList("BBB"), source);
        assertEquals(GlazedListsTests.stringToList("B"), uniqueList);
    }