-- Random integers, large range
Insertion: passed
Insertion: passed
Removal: passed
-- Random integers, narrow range
Insertion: passed
Insertion: passed
Removal: passed
-- Strings, generic interface
Insertion: passed
Insertion: passed
Removal: passed
-- Strings, functorial interface
Insertion: passed
Insertion: passed
Removal: passed
-- Pairs of strings
Insertion: passed
Insertion: passed
Removal: passed
-- Lists of strings
Insertion: passed
Insertion: passed
Removal: passed