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288
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1 |
import CW9c._
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168
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2 |
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3 |
val EVIL_urban = SEQ(STAR(STAR(CHAR('a'))), CHAR('b'))
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4 |
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5 |
assert(ders(("a" * 5).toList, EVIL_urban) == SEQ(SEQ(STAR(CHAR('a')),STAR(STAR(CHAR('a')))),CHAR('b')))
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6 |
assert(ders(List('b'), EVIL_urban) == ONE)
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7 |
assert(ders(List('b','b'), EVIL_urban) == ZERO)
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8 |
assert(matcher(EVIL_urban, "a" * 5 ++ "b") == true)
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245
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9 |
assert(matcher(EVIL_urban, "a" * 50 ++ "b") == true)
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10 |
assert(matcher(EVIL_urban, "a" * 50) == false)
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168
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11 |
assert(matcher(EVIL_urban, "b") == true)
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12 |
assert(matcher(EVIL_urban, "bb") == false)
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13 |
assert(matcher("abc", "abc") == true)
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245
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14 |
assert(matcher("abc", "ab") == false)
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168
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15 |
assert(matcher(("ab" | "a") ~ (ONE | "bc"), "abc") == true)
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16 |
assert(matcher(ONE, "") == true)
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17 |
assert(matcher(ZERO, "") == false)
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18 |
assert(matcher(ONE | CHAR('a'), "") == true)
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19 |
assert(matcher(ONE | CHAR('a'), "a") == true)
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