USING: effects effects.parser eval kernel tools.test prettyprint accessors
quotations sequences ;
IN: effects.tests

[ t ] [ { "a" } { "a" } <effect> { "a" "b" } { "a" "b" } <effect> effect<= ] unit-test
[ f ] [ { "a" } { } <effect> { "a" "b" } { "a" "b" } <effect> effect<= ] unit-test
[ t ] [ { "a" "b" } { "a" "b" } <effect> { "a" "b" } { "a" "b" } <effect> effect<= ] unit-test
[ f ] [ { "a" "b" "c" } { "a" "b" "c" } <effect> { "a" "b" } { "a" "b" } <effect> effect<= ] unit-test
[ f ] [ { "a" "b" } { "a" "b" "c" } <effect> { "a" "b" } { "a" "b" } <effect> effect<= ] unit-test
[ 2 ] [ ( a b -- c ) in>> length ] unit-test
[ 1 ] [ ( a b -- c ) out>> length ] unit-test

[ t ] [ ( a b -- c ) ( ... a b -- ... c ) effect<= ] unit-test
[ t ] [ ( b -- ) ( ... a b -- ... c ) effect<= ] unit-test
[ f ] [ ( ... a b -- ... c ) ( a b -- c ) effect<= ] unit-test
[ f ] [ ( ... b -- ... ) ( a b -- c ) effect<= ] unit-test
[ f ] [ ( a b -- c ) ( ... a b -- c ) effect<= ] unit-test
[ f ] [ ( a b -- c ) ( ..x a b -- ..y c ) effect<= ] unit-test

[ "( object -- object )" ] [ { f } { f } <effect> unparse ] unit-test
[ "( a b -- c d )" ] [ { "a" "b" } { "c" "d" } <effect> unparse ] unit-test
[ "( -- c d )" ] [ { } { "c" "d" } <effect> unparse ] unit-test
[ "( a b -- )" ] [ { "a" "b" } { } <effect> unparse ] unit-test
[ "( -- )" ] [ { } { } <effect> unparse ] unit-test
[ "( a b -- c )" ] [ ( a b -- c ) unparse ] unit-test

[ { "x" "y" } ] [ { "y" "x" } ( a b -- b a ) shuffle ] unit-test
[ { "y" "x" "y" } ] [ { "y" "x" } ( a b -- a b a ) shuffle ] unit-test
[ { } ] [ { "y" "x" } ( a b -- ) shuffle ] unit-test

[ t ] [ ( -- ) ( -- ) compose-effects ( -- ) effect= ] unit-test
[ t ] [ ( -- * ) ( -- ) compose-effects ( -- * ) effect= ] unit-test
[ t ] [ ( -- ) ( -- * ) compose-effects ( -- * ) effect= ] unit-test

[ { object object } ] [ ( a b -- ) effect-in-types ] unit-test
[ { object sequence } ] [ ( a b: sequence -- ) effect-in-types ] unit-test

[ f   ] [ ( a b c -- d ) in-var>> ] unit-test
[ f   ] [ ( -- d ) in-var>> ] unit-test
[ "a" ] [ ( ..a b c -- d ) in-var>> ] unit-test
[ { "b" "c" } ] [ ( ..a b c -- d ) in>> ] unit-test

[ f   ] [ ( ..a b c -- e ) out-var>> ] unit-test
[ "d" ] [ ( ..a b c -- ..d e ) out-var>> ] unit-test
[ { "e" } ] [ ( ..a b c -- ..d e ) out>> ] unit-test

[ "( a ..b c -- d )" eval( -- effect ) ]
[ error>> invalid-row-variable? ] must-fail-with

[ "( ..a: integer b c -- d )" eval( -- effect ) ]
[ error>> row-variable-can't-have-type? ] must-fail-with

! test curry-effect
[ ( -- x ) ] [ ( c -- d ) curry-effect ] unit-test
[ ( -- x x ) ] [ ( -- d ) curry-effect ] unit-test
[ ( x -- ) ] [ ( a b -- ) curry-effect ] unit-test