factor/basis/regexp/minimize/minimize-tests.factor

62 lines
2.0 KiB
Factor

! Copyright (C) 2009 Daniel Ehrenberg
! See http://factorcode.org/license.txt for BSD license.
USING: tools.test regexp.minimize assocs regexp
accessors regexp.transition-tables regexp.parser
regexp.classes regexp.negation ;
IN: regexp.minimize.tests
[ t ] [ 1 2 H{ { { 1 2 } t } } same-partition? ] unit-test
[ t ] [ 2 1 H{ { { 1 2 } t } } same-partition? ] unit-test
[ f ] [ 2 3 H{ { { 1 2 } t } } same-partition? ] unit-test
[ H{ { 1 1 } { 2 1 } { 3 3 } { 4 3 } } ]
[ { { 1 1 } { 1 2 } { 2 2 } { 3 3 } { 3 4 } { 4 4 } } [ t ] H{ } map>assoc partition>classes ] unit-test
[ { { 1 2 } { 3 4 } } ] [ H{ { "elephant" 1 } { "tiger" 3 } } H{ { "elephant" 2 } { "tiger" 4 } } assemble-values ] unit-test
USE: multiline
/*
: regexp-states ( string -- n )
parse-regexp ast>dfa transitions>> assoc-size ;
[ 3 ] [ "ab|ac" regexp-states ] unit-test
[ 3 ] [ "a(b|c)" regexp-states ] unit-test
[ 1 ] [ "((aa*)*)*" regexp-states ] unit-test
[ 1 ] [ "a|((aa*)*)*" regexp-states ] unit-test
[ 2 ] [ "ab|((aa*)*)*b" regexp-states ] unit-test
[ 4 ] [ "ab|cd" regexp-states ] unit-test
[ 1 ] [ "(?i:[a-z]*|[A-Z]*)" regexp-states ] unit-test
*/
[
T{ transition-table
{ transitions H{
{ 0 H{ { CHAR: a 1 } { CHAR: b 1 } } }
{ 1 H{ { CHAR: a 2 } { CHAR: b 2 } } }
{ 2 H{ { CHAR: c 3 } } }
{ 3 H{ } }
} }
{ start-state 0 }
{ final-states H{ { 3 3 } } }
}
] [
T{ transition-table
{ transitions H{
{ 0 H{ { CHAR: a 1 } { CHAR: b 4 } } }
{ 1 H{ { CHAR: a 2 } { CHAR: b 5 } } }
{ 2 H{ { CHAR: c 3 } } }
{ 3 H{ } }
{ 4 H{ { CHAR: a 2 } { CHAR: b 5 } } }
{ 5 H{ { CHAR: c 6 } } }
{ 6 H{ } }
} }
{ start-state 0 }
{ final-states H{ { 3 3 } { 6 6 } } }
} combine-states
] unit-test
[ [ ] [ ] while-changes ] must-infer
[ H{ { T{ or-class f { 1 2 } } 3 } { 4 5 } } ]
[ H{ { 1 3 } { 2 3 } { 4 5 } } combine-state-transitions ] unit-test