changeset 227 | b5f3e814a710 |
parent 226 | 5e489c9fe47b |
child 228 | 33c2655be47d |
--- a/marking3/re1b_test.scala Fri Nov 30 13:06:09 2018 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,8 +0,0 @@ - -import CW8a._ - -assert(der('a', ZERO | ONE) == (ZERO | ZERO)) -assert(der('a', (CHAR('a') | ONE) ~ CHAR('a')) == ALT((ONE | ZERO) ~ CHAR('a'), ONE)) -assert(der('a', (CHAR('a') | CHAR('a')) ~ CHAR('a')) == (ONE | ONE) ~ CHAR('a')) -assert(der('a', STAR(CHAR('a'))) == (ONE ~ STAR(CHAR('a')))) -assert(der('b', STAR(CHAR('a'))) == (ZERO ~ STAR(CHAR('a'))))