99 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			Factor
		
	
	
			
		
		
	
	
			99 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			Factor
		
	
	
! Copyright (C) 2009 Slava Pestov.
 | 
						|
! See http://factorcode.org/license.txt for BSD license.
 | 
						|
USING: accessors calendar combinators.short-circuit
 | 
						|
constructors eval kernel math strings tools.test ;
 | 
						|
IN: constructors.tests
 | 
						|
 | 
						|
TUPLE: stock-spread stock spread timestamp ;
 | 
						|
 | 
						|
CONSTRUCTOR: stock-spread ( stock spread -- stock-spread )
 | 
						|
   now >>timestamp ;
 | 
						|
 | 
						|
SYMBOL: AAPL
 | 
						|
 | 
						|
[ t ] [
 | 
						|
    AAPL 1234 <stock-spread>
 | 
						|
    {
 | 
						|
        [ stock>> AAPL eq? ]
 | 
						|
        [ spread>> 1234 = ]
 | 
						|
        [ timestamp>> timestamp? ]
 | 
						|
    } 1&&
 | 
						|
] unit-test
 | 
						|
 | 
						|
TUPLE: ct1 a ;
 | 
						|
TUPLE: ct2 < ct1 b ;
 | 
						|
TUPLE: ct3 < ct2 c ;
 | 
						|
TUPLE: ct4 < ct3 d ;
 | 
						|
 | 
						|
DEFAULT-CONSTRUCTOR: ct1 ( a -- obj )
 | 
						|
 | 
						|
DEFAULT-CONSTRUCTOR: ct2 ( a b -- obj )
 | 
						|
 | 
						|
DEFAULT-CONSTRUCTOR: ct3 ( a b c -- obj )
 | 
						|
 | 
						|
DEFAULT-CONSTRUCTOR: ct4 ( a b c d -- obj )
 | 
						|
 | 
						|
[ 1000 ] [ 1000 <ct1> a>> ] unit-test
 | 
						|
[ 0 ] [ 0 0 <ct2> a>> ] unit-test
 | 
						|
[ 0 ] [ 0 0 0 <ct3> a>> ] unit-test
 | 
						|
[ 0 ] [ 0 0 0 0 <ct4> a>> ] unit-test
 | 
						|
 | 
						|
NAMED-CONSTRUCTOR: <ct1!> ct1 ( a -- obj )
 | 
						|
 | 
						|
NAMED-CONSTRUCTOR: <ct2!> ct2 ( a b -- obj )
 | 
						|
 | 
						|
NAMED-CONSTRUCTOR: <ct3!> ct3 ( a b c -- obj )
 | 
						|
 | 
						|
NAMED-CONSTRUCTOR: <ct4!> ct4 ( a b c d -- obj )
 | 
						|
 | 
						|
[ 1000 ] [ 1000 <ct1!> a>> ] unit-test
 | 
						|
[ 0 ] [ 0 0 <ct2!> a>> ] unit-test
 | 
						|
[ 0 ] [ 0 0 0 <ct3!> a>> ] unit-test
 | 
						|
[ 0 ] [ 0 0 0 0 <ct4!> a>> ] unit-test
 | 
						|
 | 
						|
TUPLE: monster
 | 
						|
    { name string read-only } { hp integer } { max-hp integer read-only }
 | 
						|
    { computed integer read-only }
 | 
						|
    lots of extra slots that make me not want to use boa, maybe they get set later
 | 
						|
    { stop initial: 18 } ;
 | 
						|
 | 
						|
TUPLE: a-monster < monster ;
 | 
						|
 | 
						|
TUPLE: b-monster < monster ;
 | 
						|
 | 
						|
<<
 | 
						|
CONSTRUCTOR-SYNTAX: a-monster
 | 
						|
>>
 | 
						|
 | 
						|
: <a-monster> ( name hp max-hp -- obj )
 | 
						|
    2dup +
 | 
						|
    a-monster( name hp max-hp computed ) ;
 | 
						|
 | 
						|
: <b-monster> ( name hp max-hp -- obj )
 | 
						|
    2dup +
 | 
						|
    { "name" "hp" "max-hp" "computed" } \ b-monster slots>boa ;
 | 
						|
 | 
						|
[ 20 ] [ "Norm" 10 10 <a-monster> computed>> ] unit-test
 | 
						|
[ 18 ] [ "Norm" 10 10 <a-monster> stop>> ] unit-test
 | 
						|
 | 
						|
[ 22 ] [ "Phil" 11 11 <b-monster> computed>> ] unit-test
 | 
						|
[ 18 ] [ "Phil" 11 11 <b-monster> stop>> ] unit-test
 | 
						|
 | 
						|
[
 | 
						|
    """USE: constructors
 | 
						|
IN: constructors.tests
 | 
						|
TUPLE: foo a b ;
 | 
						|
DEFAULT-CONSTRUCTOR: foo ( a a -- obj )""" eval( -- )
 | 
						|
] [
 | 
						|
    error>> repeated-constructor-parameters?
 | 
						|
] must-fail-with
 | 
						|
 | 
						|
[
 | 
						|
    """USE: constructors
 | 
						|
IN: constructors.tests
 | 
						|
TUPLE: foo a b ;
 | 
						|
DEFAULT-CONSTRUCTOR: foo ( a c -- obj )""" eval( -- )
 | 
						|
] [
 | 
						|
    error>> unknown-constructor-parameters?
 | 
						|
] must-fail-with
 |