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1 import CW9c._ |
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4 assert(simp(ZERO | ONE) == ONE) |
4 assert(simp(ZERO | ONE) == ONE) |
5 assert(simp(STAR(ZERO | ONE)) == STAR(ZERO | ONE)) |
5 assert(simp(STAR(ZERO | ONE)) == STAR(ZERO | ONE)) |
6 assert(simp(ONE ~ (ONE ~ (ONE ~ CHAR('a')))) == CHAR('a')) |
6 assert(simp(ONE ~ (ONE ~ (ONE ~ CHAR('a')))) == CHAR('a')) |
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7 assert(simp(((ONE ~ ONE) ~ ONE) ~ CHAR('a')) == CHAR('a')) |
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8 assert(simp(((ONE | ONE) ~ ONE) ~ CHAR('a')) == CHAR('a')) |
7 assert(simp(ONE ~ (ONE ~ (ONE ~ ZERO))) == ZERO) |
9 assert(simp(ONE ~ (ONE ~ (ONE ~ ZERO))) == ZERO) |
8 assert(simp(ALT(ONE ~ (ONE ~ (ONE ~ ZERO)), CHAR('a'))) == CHAR('a')) |
10 assert(simp(ALT(ONE ~ (ONE ~ (ONE ~ ZERO)), CHAR('a'))) == CHAR('a')) |
9 assert(simp(CHAR('a') | CHAR('a')) == CHAR('a')) |
11 assert(simp(CHAR('a') | CHAR('a')) == CHAR('a')) |
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12 assert(simp(CHAR('a') ~ CHAR('a')) == CHAR('a') ~ CHAR('a')) |
10 assert(simp(ONE | CHAR('a')) == (ONE | CHAR('a'))) |
13 assert(simp(ONE | CHAR('a')) == (ONE | CHAR('a'))) |
11 assert(simp(ALT((CHAR('a') | ZERO) ~ ONE, |
14 assert(simp(ALT((CHAR('a') | ZERO) ~ ONE, |
12 ((ONE | CHAR('b')) | CHAR('c')) ~ (CHAR('d') ~ ZERO))) == CHAR('a')) |
15 ((ONE | CHAR('b')) | CHAR('c')) ~ (CHAR('d') ~ ZERO))) == CHAR('a')) |
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16 assert(simp((ZERO | ((ZERO | ZERO) | (ZERO | ZERO))) ~ ((ONE | ZERO) | ONE ) ~ (CHAR('a'))) == ZERO) |
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17 assert(simp(ALT(ONE | ONE, ONE | ONE)) == ONE) |
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18 assert(simp(ALT(ZERO | CHAR('a'), CHAR('a') | ZERO)) == CHAR('a')) |
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19 assert(simp(ALT(ONE | CHAR('a'), CHAR('a') | ONE)) == ALT(ONE | CHAR('a'), CHAR('a') | ONE)) |
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