1 USING: inverse tools.test arrays math kernel sequences
2 math.functions math.constants continuations ;
5 [ 2 ] [ { 3 2 } [ 3 swap 2array ] undo ] unit-test
6 [ { 3 4 } [ dup 2array ] undo ] must-fail
12 [ 1 2 ] [ 1 2 <foo> [ <foo> ] undo ] unit-test
14 : 2same ( x -- {x,x} ) dup 2array ;
16 [ t ] [ { 3 3 } [ 2same ] matches? ] unit-test
17 [ f ] [ { 3 4 } [ 2same ] matches? ] unit-test
18 [ [ 2same ] matches? ] must-fail
20 : something ( array -- num )
22 { [ dup 1+ 2array ] [ 3 * ] }
23 { [ 3array ] [ + + ] }
26 [ 5 ] [ { 1 2 2 } something ] unit-test
27 [ 6 ] [ { 2 3 } something ] unit-test
28 [ { 1 } something ] must-fail
30 [ 1 2 [ eq? ] undo ] must-fail
32 : f>c ( *fahrenheit -- *celsius )
35 [ { 212.0 32.0 } ] [ { 100 0 } [ [ f>c ] map ] undo ] unit-test
36 [ { t t f } ] [ { t f 1 } [ [ >boolean ] matches? ] map ] unit-test
37 [ { t f } ] [ { { 1 2 3 } 4 } [ [ >array ] matches? ] map ] unit-test
38 [ 9 9 ] [ 3 [ 1/2 ^ ] undo 3 [ sqrt ] undo ] unit-test
39 [ 5 ] [ 6 5 - [ 6 swap - ] undo ] unit-test
40 [ 6 ] [ 6 5 - [ 5 - ] undo ] unit-test
50 : list-sum ( list -- sum )
52 { [ <cons> ] [ list-sum + ] }
54 [ "Malformed list" throw ]
57 [ 10 ] [ 1 2 3 4 <nil> <cons> <cons> <cons> <cons> list-sum ] unit-test
58 [ ] [ <nil> [ <nil> ] undo ] unit-test
59 [ 1 2 ] [ 1 2 <cons> [ <cons> ] undo ] unit-test
60 [ t ] [ 1 2 <cons> [ <cons> ] matches? ] unit-test
61 [ f ] [ 1 2 <cons> [ <foo> ] matches? ] unit-test
62 [ "Malformed list" ] [ [ f list-sum ] [ ] recover ] unit-test
64 : empty-cons ( -- cons ) cons new ;
65 : cons* ( cdr car -- cons ) cons boa ;
67 [ ] [ T{ cons f f f } [ empty-cons ] undo ] unit-test
68 [ 1 2 ] [ 1 2 <cons> [ cons* ] undo ] unit-test
70 [ t ] [ pi [ pi ] matches? ] unit-test
71 [ 0.0 ] [ 0.0 pi + [ pi + ] undo ] unit-test
72 [ ] [ 3 [ _ ] undo ] unit-test
74 [ 2.0 ] [ 2 3 ^ [ 3 ^ ] undo ] unit-test
75 [ 3.0 ] [ 2 3 ^ [ 2 swap ^ ] undo ] unit-test
77 [ { 1 } ] [ { 1 2 3 } [ { 2 3 } append ] undo ] unit-test
78 [ { 3 } ] [ { 1 2 3 } [ { 1 2 } prepend ] undo ] unit-test
79 [ { 1 2 3 } [ { 1 2 } append ] undo ] must-fail
80 [ { 1 2 3 } [ { 2 3 } prepend ] undo ] must-fail
82 [ [ sq ] ] [ [ sqrt ] [undo] ] unit-test
83 [ [ sqrt ] ] [ [ sq ] [undo] ] unit-test
84 [ [ not ] ] [ [ not ] [undo] ] unit-test
85 [ { 3 2 1 } ] [ { 1 2 3 } [ reverse ] undo ] unit-test
88 : <funny-tuple> ( -- funny-tuple ) \ funny-tuple boa ;
89 : funny-tuple ( -- ) "OOPS" throw ;
91 [ ] [ [ <funny-tuple> ] [undo] drop ] unit-test