1 ! Copyright (C) 2009 Daniel Ehrenberg
2 ! See https://factorcode.org/license.txt for BSD license.
3 USING: tools.test regexp.minimize assocs regexp
4 accessors regexp.transition-tables regexp.parser
5 regexp.classes regexp.negation ;
6 IN: regexp.minimize.tests
8 { t } [ 1 2 HS{ { 1 2 } } same-partition? ] unit-test
9 { t } [ 2 1 HS{ { 1 2 } } same-partition? ] unit-test
10 { f } [ 2 3 HS{ { 1 2 } } same-partition? ] unit-test
12 { H{ { 1 1 } { 2 1 } { 3 3 } { 4 3 } } }
13 [ HS{ { 1 1 } { 1 2 } { 2 2 } { 3 3 } { 3 4 } { 4 4 } } partition>classes ] unit-test
15 : regexp-states ( string -- n )
16 parse-regexp ast>dfa transitions>> assoc-size ;
18 { 3 } [ "ab|ac" regexp-states ] unit-test
19 { 3 } [ "a(b|c)" regexp-states ] unit-test
20 { 1 } [ "((aa*)*)*" regexp-states ] unit-test
21 { 1 } [ "a|((aa*)*)*" regexp-states ] unit-test
22 { 2 } [ "ab|((aa*)*)*b" regexp-states ] unit-test
23 { 4 } [ "ab|cd" regexp-states ] unit-test
24 { 1 } [ "(?i:[a-z]*|[A-Z]*)" regexp-states ] unit-test
29 { 0 H{ { CHAR: a 1 } { CHAR: b 1 } } }
30 { 1 H{ { CHAR: a 2 } { CHAR: b 2 } } }
31 { 2 H{ { CHAR: c 3 } } }
35 { final-states HS{ 3 } }
40 { 0 H{ { CHAR: a 1 } { CHAR: b 4 } } }
41 { 1 H{ { CHAR: a 2 } { CHAR: b 5 } } }
42 { 2 H{ { CHAR: c 3 } } }
44 { 4 H{ { CHAR: a 2 } { CHAR: b 5 } } }
45 { 5 H{ { CHAR: c 6 } } }
49 { final-states HS{ 3 6 } }
53 { H{ { T{ or-class f { 2 1 } } 3 } { 4 5 } } }
54 [ H{ { 1 3 } { 2 3 } { 4 5 } } combine-state-transitions ] unit-test