    @Test
    public void testGetValue()
    {

        EasyMockSupport support = new EasyMockSupport();

        MetaDataProvider original = createProvider(support);
        Map<String, Object> extras = createExtraColumns();

        support.replayAll();

        ExtraColumnsMetaDataProvider provider = new ExtraColumnsMetaDataProvider(original, extras);

        assertEquals("val1", provider.getValue(ourOriginalColumns[0]));
        assertEquals("val4", provider.getValue("col4"));
        assertEquals("val", provider.getValue(ourOriginalColumns[1]));

        support.verifyAll();
    }