diff -r 34feeb53c0ba -r 0315d9983cd0 main_marking3/re_test7.scala
--- a/main_marking3/re_test7.scala	Sun Jan 15 10:58:13 2023 +0000
+++ b/main_marking3/re_test7.scala	Sat Mar 11 22:01:53 2023 +0000
@@ -2,5 +2,18 @@
 
 val EVIL_urban = SEQ(STAR(STAR(CHAR('a'))), CHAR('b'))
 
-assert(matcher(EVIL_urban, "a" * 1000000) == false)
-assert(matcher(EVIL_urban, "a" * 1000000 ++ "b") == true)
+assert(ders(("a" * 5).toList, EVIL_urban) == SEQs(List(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)