44 lines
1.2 KiB
Factor
44 lines
1.2 KiB
Factor
|
! (c)2009 Joe Groff bsd license
|
||
|
|
USING: accessors pair-methods classes kernel sequences tools.test ;
|
||
|
|
IN: pair-methods.tests
|
||
|
|
|
||
|
|
TUPLE: thang ;
|
||
|
|
|
||
|
|
TUPLE: foom < thang ;
|
||
|
|
TUPLE: barm < foom ;
|
||
|
|
|
||
|
|
TUPLE: zim < thang ;
|
||
|
|
TUPLE: zang < zim ;
|
||
|
|
|
||
|
|
: class-names ( a b prefix -- string )
|
||
|
|
[ [ class name>> ] bi@ "-" glue ] dip prepend ;
|
||
|
|
|
||
|
|
PAIR-GENERIC: blibble ( a b -- c )
|
||
|
|
|
||
|
|
PAIR-M: thang thang blibble
|
||
|
|
"vanilla " class-names ;
|
||
|
|
|
||
|
|
PAIR-M: foom thang blibble
|
||
|
|
"chocolate " class-names ;
|
||
|
|
|
||
|
|
PAIR-M: barm thang blibble
|
||
|
|
"strawberry " class-names ;
|
||
|
|
|
||
|
|
PAIR-M: barm zim blibble
|
||
|
|
"coconut " class-names ;
|
||
|
|
|
||
|
|
[ "vanilla zang-zim" ] [ zim new zang new blibble ] unit-test
|
||
|
|
|
||
|
|
! args automatically swap to match most specific method
|
||
|
|
[ "chocolate foom-zim" ] [ foom new zim new blibble ] unit-test
|
||
|
|
[ "chocolate foom-zim" ] [ zim new foom new blibble ] unit-test
|
||
|
|
|
||
|
|
[ "strawberry barm-barm" ] [ barm new barm new blibble ] unit-test
|
||
|
|
[ "strawberry barm-foom" ] [ barm new foom new blibble ] unit-test
|
||
|
|
[ "strawberry barm-foom" ] [ foom new barm new blibble ] unit-test
|
||
|
|
|
||
|
|
[ "coconut barm-zang" ] [ zang new barm new blibble ] unit-test
|
||
|
|
[ "coconut barm-zim" ] [ barm new zim new blibble ] unit-test
|
||
|
|
|
||
|
|
[ 1 2 blibble ] [ no-pair-method? ] must-fail-with
|