USING: kernel sequences assocs tools.test linked-assocs math ;
IN: linked-assocs.test

{ { 1 2 3 } } [
    <linked-hash> 1 "b" pick set-at
                  2 "c" pick set-at
                  3 "a" pick set-at
    values
] unit-test

{ 2 t } [
    <linked-hash> 1 "b" pick set-at
                  2 "c" pick set-at
                  3 "a" pick set-at
    "c" swap at*
] unit-test

{ { 2 3 4 } { "c" "a" "d" } 3 } [
    <linked-hash> 1 "a" pick set-at
                  2 "c" pick set-at
                  3 "a" pick set-at
                  4 "d" pick set-at
    [ values ] [ keys ] [ assoc-size ] tri
] unit-test 

{ f 1 } [
    <linked-hash> 1 "c" pick set-at
                  2 "b" pick set-at
    "c" over delete-at
    "c" over at swap assoc-size
] unit-test 

{ { } 0 } [
    <linked-hash> 1 "a" pick set-at
                  2 "c" pick set-at
                  3 "a" pick set-at
                  4 "d" pick set-at
    dup clear-assoc [ keys ] [ assoc-size ] bi
] unit-test

{ { } { 1 2 3 } } [
    <linked-hash> dup clone
    1 "c" pick set-at
    2 "q" pick set-at
    3 "a" pick set-at
    [ values ] bi@
] unit-test

{ 9 } [
    <linked-hash>
    { [ 3 * ] [ 1- ] }          "first"   pick set-at
    { [ [ 1- ] bi@ ] [ 2 / ] }  "second"  pick set-at
    4 6 pick values [ first call ] each
    + swap values <reversed> [ second call ] each
] unit-test