36 lines
918 B
Factor
36 lines
918 B
Factor
! Copyright (C) 2007, 2009 Slava Pestov, Daniel Ehrenberg.
|
|
! See http://factorcode.org/license.txt for BSD license.
|
|
USING: math kernel memoize tools.test parser generalizations
|
|
prettyprint io.streams.string sequences eval namespaces see ;
|
|
IN: memoize.tests
|
|
|
|
MEMO: fib ( m -- n )
|
|
dup 1 <= [ drop 1 ] [ dup 1 - fib swap 2 - fib + ] if ;
|
|
|
|
MEMO: x ( a b c d e -- f g h i j )
|
|
[ 1 + ] 4 ndip ;
|
|
|
|
[ 89 ] [ 10 fib ] unit-test
|
|
|
|
[
|
|
1 0 0 0 0
|
|
1 0 0 0 0
|
|
] [
|
|
0 0 0 0 0 x
|
|
0 0 0 0 0 x
|
|
] unit-test
|
|
|
|
MEMO: see-test ( a -- b ) reverse ;
|
|
|
|
[ "USING: memoize sequences ;\nIN: memoize.tests\nMEMO: see-test ( a -- b ) reverse ;\n" ]
|
|
[ [ \ see-test see ] with-string-writer ]
|
|
unit-test
|
|
|
|
[ ] [ "IN: memoize.tests : fib ( -- ) ;" eval( -- ) ] unit-test
|
|
|
|
[ "IN: memoize.tests\n: fib ( -- ) ;\n" ] [ [ \ fib see ] with-string-writer ] unit-test
|
|
|
|
[ sq ] (( a -- b )) memoize-quot "q" set
|
|
|
|
[ 9 ] [ 3 "q" get call ] unit-test
|