| author | Christian Urban <christian.urban@kcl.ac.uk> |
| Wed, 01 Dec 2021 07:51:21 +0000 | |
| changeset 413 | f4db8336d3d5 |
| parent 403 | 312c9eb39ad8 |
| permissions | -rw-r--r-- |
| 403 | 1 |
import M3._ |
| 300 | 2 |
|
3 |
val EVIL_urban = SEQ(STAR(STAR(CHAR('a'))), CHAR('b'))
|
|
4 |
||
5 |
||
6 |
assert(simp(Iterator.iterate(ONE:Rexp)(r => SEQ(r, ONE | ONE)).drop(50).next) == ONE) |
|
7 |
assert(simp(Iterator.iterate(ONE:Rexp)(r => ALT(r, r)).drop(20).next) == ONE) |
|
8 |
assert(matcher(EVIL_urban, "a" * 1000000) == false) |
|
9 |
assert(matcher(EVIL_urban, "a" * 1000000 ++ "b") == true) |