| author | Christian Urban <christian.urban@kcl.ac.uk> |
| Sat, 29 Aug 2020 16:05:59 +0100 | |
| changeset 342 | 3779dd003077 |
| parent 300 | be9900ba65ff |
| permissions | -rw-r--r-- |
| 300 | 1 |
import CW9c._ |
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val EVIL_urban = SEQ(STAR(STAR(CHAR('a'))), CHAR('b'))
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assert(simp(Iterator.iterate(ONE:Rexp)(r => SEQ(r, ONE | ONE)).drop(50).next) == ONE) |
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assert(simp(Iterator.iterate(ONE:Rexp)(r => ALT(r, r)).drop(20).next) == ONE) |
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assert(matcher(EVIL_urban, "a" * 1000000) == false) |
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assert(matcher(EVIL_urban, "a" * 1000000 ++ "b") == true) |