class TEST_SET inherit TEST create make feature {NONE} -- Initialization make do invoke_test ("1", agent local l_set: SET[attached STRING] do create {LINKED_SET[attached STRING]}l_set.make assert (l_set.is_empty) l_set.extend ("foo") assert (not l_set.is_empty) assert (l_set.has ("foo")) assert (l_set.count = 1) l_set.prune ("foo") assert (l_set.is_empty) assert (not l_set.has ("foo")) assert (l_set.count = 0) end ) end end