factor/core/classes/mixin/mixin-tests.factor

151 lines
5.0 KiB
Factor

USING: alien arrays definitions generic assocs hashtables io kernel
math namespaces parser prettyprint sequences strings tools.test words
quotations classes classes.private classes.union classes.mixin
classes.predicate classes.algebra vectors source-files compiler.units
kernel.private sorting vocabs eval ;
IN: classes.mixin.tests
! Test mixins
MIXIN: sequence-mixin
INSTANCE: array sequence-mixin
INSTANCE: vector sequence-mixin
INSTANCE: slice sequence-mixin
MIXIN: assoc-mixin
INSTANCE: hashtable assoc-mixin
GENERIC: collection-size ( x -- y )
M: sequence-mixin collection-size length ;
M: assoc-mixin collection-size assoc-size ;
[ t ] [ array sequence-mixin class<= ] unit-test
[ t ] [ { 1 2 3 } sequence-mixin? ] unit-test
[ 3 ] [ { 1 2 3 } collection-size ] unit-test
[ f ] [ H{ { 1 2 } { 2 3 } } sequence-mixin? ] unit-test
[ t ] [ H{ { 1 2 } { 2 3 } } assoc-mixin? ] unit-test
[ 2 ] [ H{ { 1 2 } { 2 3 } } collection-size ] unit-test
! Test mixing in of new classes after the fact
DEFER: mx1
FORGET: mx1
MIXIN: mx1
INSTANCE: integer mx1
[ t ] [ integer mx1 class<= ] unit-test
[ f ] [ mx1 integer class<= ] unit-test
[ f ] [ mx1 number class<= ] unit-test
"IN: classes.mixin.tests USE: arrays INSTANCE: array mx1" eval( -- )
[ t ] [ array mx1 class<= ] unit-test
[ f ] [ mx1 number class<= ] unit-test
[ \ mx1 forget ] with-compilation-unit
USE: io.streams.string
2 [
[ "mixin-forget-test" forget-source ] with-compilation-unit
[ ] [
{
"USING: sequences ;"
"IN: classes.mixin.tests"
"MIXIN: mixin-forget-test"
"INSTANCE: sequence mixin-forget-test"
"GENERIC: mixin-forget-test-g ( x -- y )"
"M: mixin-forget-test mixin-forget-test-g ;"
} "\n" join <string-reader> "mixin-forget-test"
parse-stream drop
] unit-test
[ { } ] [ { } "mixin-forget-test-g" "classes.mixin.tests" lookup execute ] unit-test
[ H{ } "mixin-forget-test-g" "classes.mixin.tests" lookup execute ] must-fail
[ ] [
{
"USING: hashtables ;"
"IN: classes.mixin.tests"
"MIXIN: mixin-forget-test"
"INSTANCE: hashtable mixin-forget-test"
"GENERIC: mixin-forget-test-g ( x -- y )"
"M: mixin-forget-test mixin-forget-test-g ;"
} "\n" join <string-reader> "mixin-forget-test"
parse-stream drop
] unit-test
[ { } "mixin-forget-test-g" "classes.mixin.tests" lookup execute ] must-fail
[ H{ } ] [ H{ } "mixin-forget-test-g" "classes.mixin.tests" lookup execute ] unit-test
] times
! Method flattening interfered with mixin update
MIXIN: flat-mx-1
TUPLE: flat-mx-1-1 ; INSTANCE: flat-mx-1-1 flat-mx-1
TUPLE: flat-mx-1-2 ; INSTANCE: flat-mx-1-2 flat-mx-1
TUPLE: flat-mx-1-3 ; INSTANCE: flat-mx-1-3 flat-mx-1
TUPLE: flat-mx-1-4 ; INSTANCE: flat-mx-1-4 flat-mx-1
MIXIN: flat-mx-2 INSTANCE: flat-mx-2 flat-mx-1
TUPLE: flat-mx-2-1 ; INSTANCE: flat-mx-2-1 flat-mx-2
[ t ] [ T{ flat-mx-2-1 } flat-mx-1? ] unit-test
! Too eager with reset-class
[ ] [ "IN: classes.mixin.tests MIXIN: blah SINGLETON: boo INSTANCE: boo blah" <string-reader> "mixin-reset-test" parse-stream drop ] unit-test
[ t ] [ "blah" "classes.mixin.tests" lookup mixin-class? ] unit-test
[ ] [ "IN: classes.mixin.tests MIXIN: blah" <string-reader> "mixin-reset-test" parse-stream drop ] unit-test
[ t ] [ "blah" "classes.mixin.tests" lookup mixin-class? ] unit-test
MIXIN: empty-mixin
[ f ] [ "hi" empty-mixin? ] unit-test
MIXIN: move-instance-declaration-mixin
[ ] [ "IN: classes.mixin.tests.a USE: strings USE: classes.mixin.tests INSTANCE: string move-instance-declaration-mixin" <string-reader> "move-mixin-test-1" parse-stream drop ] unit-test
[ ] [ "IN: classes.mixin.tests.b USE: strings USE: classes.mixin.tests INSTANCE: string move-instance-declaration-mixin" <string-reader> "move-mixin-test-2" parse-stream drop ] unit-test
[ ] [ "IN: classes.mixin.tests.a" <string-reader> "move-mixin-test-1" parse-stream drop ] unit-test
[ { string } ] [ move-instance-declaration-mixin members ] unit-test
MIXIN: silly-mixin
SYMBOL: not-a-class
[ [ \ not-a-class \ silly-mixin add-mixin-instance ] with-compilation-unit ] must-fail
SYMBOL: not-a-mixin
TUPLE: a-class ;
[ [ \ a-class \ not-a-mixin add-mixin-instance ] with-compilation-unit ] must-fail
! Changing a mixin member's metaclass should not remove it from the mixin
MIXIN: metaclass-change-mixin
TUPLE: metaclass-change ;
INSTANCE: metaclass-change metaclass-change-mixin
GENERIC: metaclass-change-generic ( a -- b )
M: metaclass-change-mixin metaclass-change-generic ;
[ T{ metaclass-change } ] [ T{ metaclass-change } metaclass-change-generic ] unit-test
[ ] [ "IN: classes.mixin.tests USE: math UNION: metaclass-change integer ;" eval( -- ) ] unit-test
[ 0 ] [ 0 metaclass-change-generic ] unit-test
! Forgetting a mixin member class should remove it from the mixin
[ ] [ [ metaclass-change forget-class ] with-compilation-unit ] unit-test
[ t ] [ metaclass-change-mixin members empty? ] unit-test