factor/extra/decimals/decimals-tests.factor

52 lines
1.8 KiB
Factor

! Copyright (C) 2009 Doug Coleman.
! See http://factorcode.org/license.txt for BSD license.
USING: continuations decimals grouping kernel kernel.private literals
locals math math.functions math.order random tools.test ;
IN: decimals.tests
{ t } [
DECIMAL: 12.34 DECIMAL: 00012.34000 =
] unit-test
: random-test-int ( -- n )
10 random 2 random 0 = [ neg ] when ;
: random-test-decimal ( -- decimal )
random-test-int random-test-int <decimal> ;
ERROR: decimal-test-failure D1 D2 quot ;
:: (test-decimal-op) ( D1 D2 quot1 quot2 -- ? )
D1 D2
quot1 [ decimal>ratio >float ] compose
[ [ decimal>ratio ] bi@ quot2 call( obj obj -- obj ) >float ] 2bi -.1 ~
[ t ] [ D1 D2 quot1 decimal-test-failure ] if ; inline
: test-decimal-op ( quot1 quot2 -- ? )
[ random-test-decimal random-test-decimal ] 2dip (test-decimal-op) ; inline
{ t } [ 1000 [ drop [ D+ ] [ + ] test-decimal-op ] all-integers? ] unit-test
{ t } [ 1000 [ drop [ D- ] [ - ] test-decimal-op ] all-integers? ] unit-test
{ t } [ 1000 [ drop [ D* ] [ * ] test-decimal-op ] all-integers? ] unit-test
{ t } [
1000 [
drop
[ [ 100 D/ ] [ /f ] test-decimal-op ]
[ ${ KERNEL-ERROR ERROR-DIVIDE-BY-ZERO f f } = ] recover
] all-integers?
] unit-test
{ t } [
{ DECIMAL: 0. DECIMAL: .0 DECIMAL: 0.0 DECIMAL: 00.00 DECIMAL: . } all-equal?
] unit-test
{ t } [ T{ decimal f 90 0 } T{ decimal f 9 1 } = ] unit-test
{ t } [ DECIMAL: 1 DECIMAL: 2 before? ] unit-test
{ f } [ DECIMAL: 2 DECIMAL: 2 before? ] unit-test
{ f } [ DECIMAL: 3 DECIMAL: 2 before? ] unit-test
{ f } [ DECIMAL: -1 DECIMAL: -2 before? ] unit-test
{ f } [ DECIMAL: -2 DECIMAL: -2 before? ] unit-test
{ t } [ DECIMAL: -3 DECIMAL: -2 before? ] unit-test
{ t } [ DECIMAL: .5 DECIMAL: 0 DECIMAL: 1.0 between? ] unit-test