diff -r 19b75e899d37 -r 9c03b5e89a2a marking4/re_test3.scala --- a/marking4/re_test3.scala Fri Apr 26 17:29:30 2024 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,21 +0,0 @@ -import CW9c._ - - -assert(simp(ZERO | ONE) == ONE) -assert(simp(STAR(ZERO | ONE)) == STAR(ZERO | ONE)) -assert(simp(ONE ~ (ONE ~ (ONE ~ CHAR('a')))) == CHAR('a')) -assert(simp(((ONE ~ ONE) ~ ONE) ~ CHAR('a')) == CHAR('a')) -assert(simp(((ONE | ONE) ~ ONE) ~ CHAR('a')) == CHAR('a')) -assert(simp(ONE ~ (ONE ~ (ONE ~ ZERO))) == ZERO) -assert(simp(ALT(ONE ~ (ONE ~ (ONE ~ ZERO)), CHAR('a'))) == CHAR('a')) -assert(simp(CHAR('a') | CHAR('a')) == CHAR('a')) -assert(simp(CHAR('a') ~ CHAR('a')) == CHAR('a') ~ CHAR('a')) -assert(simp(ONE | CHAR('a')) == (ONE | CHAR('a'))) -assert(simp(ALT((CHAR('a') | ZERO) ~ ONE, - ((ONE | CHAR('b')) | CHAR('c')) ~ (CHAR('d') ~ ZERO))) == CHAR('a')) -assert(simp((ZERO | ((ZERO | ZERO) | (ZERO | ZERO))) ~ ((ONE | ZERO) | ONE ) ~ (CHAR('a'))) == ZERO) -assert(simp(ALT(ONE | ONE, ONE | ONE)) == ONE) -assert(simp(ALT(ZERO | CHAR('a'), CHAR('a') | ZERO)) == CHAR('a')) -assert(simp(ALT(ONE | CHAR('a'), CHAR('a') | ONE)) == ALT(ONE | CHAR('a'), CHAR('a') | ONE)) - -