TableImpl implements Table { @Override public void removeColumn(Column column) { store.removeColumn(column); } TableImpl(Class<T> elementType, boolean indexed);  TableImpl(GraphStore graphStore, Class<T> elementType, boolean indexed); @Override Column addColumn(String id, Class type); @Override Column addColumn(String id, Class type, Origin origin); @Override Column addColumn(String id, String title, Class type, Object defaultValue); @Override Column addColumn(String id, String title, Class type, Origin origin, Object defaultValue, boolean indexed); @Override int countColumns(); @Override Iterator<Column> iterator(); @Override void doBreak(); @Override Column[] toArray(); @Override List<Column> toList(); @Override Column getColumn(int index); @Override Column getColumn(String id); @Override boolean hasColumn(String id); @Override void removeColumn(Column column); @Override void removeColumn(String id); @Override TableObserver createTableObserver(boolean withDiff); @Override Class getElementClass(); @Override Graph getGraph(); void destroyTableObserver(TableObserver observer); boolean deepEquals(TableImpl<T> obj); int deepHashCode();  }
@Test public void testRemoveColumn() { TableImpl<Node> table = new TableImpl<Node>(Node.class, false); Column col = table.addColumn("Id", Integer.class); table.removeColumn(col); Assert.assertFalse(table.hasColumn("Id")); Assert.assertFalse(table.hasColumn("id")); }