diff -r 19b75e899d37 -r 9c03b5e89a2a marking4/re_test4.scala
--- a/marking4/re_test4.scala	Fri Apr 26 17:29:30 2024 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,19 +0,0 @@
-import CW9c._
-
-val EVIL_urban = SEQ(STAR(STAR(CHAR('a'))), CHAR('b'))
-
-assert(ders(("a" * 5).toList, EVIL_urban) == SEQ(SEQ(STAR(CHAR('a')),STAR(STAR(CHAR('a')))),CHAR('b')))
-assert(ders(List('b'), EVIL_urban) == ONE)
-assert(ders(List('b','b'), EVIL_urban) == ZERO)
-assert(matcher(EVIL_urban, "a" * 5 ++ "b") == true)
-assert(matcher(EVIL_urban, "a" * 50 ++ "b") == true)
-assert(matcher(EVIL_urban, "a" * 50) == false)
-assert(matcher(EVIL_urban, "b") == true)
-assert(matcher(EVIL_urban, "bb") == false)
-assert(matcher("abc", "abc") == true)
-assert(matcher("abc", "ab") == false)
-assert(matcher(("ab" | "a") ~ (ONE | "bc"), "abc") == true)
-assert(matcher(ONE, "") == true)
-assert(matcher(ZERO, "") == false)
-assert(matcher(ONE | CHAR('a'), "") == true)
-assert(matcher(ONE | CHAR('a'), "a") == true)