| 1 | #!/usr/bin/env python2
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| 2 | from __future__ import print_function
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| 3 |
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| 4 | import unittest
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| 5 |
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| 6 | from _devbuild.gen.syntax_asdl import loc
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| 7 | from _devbuild.gen.id_kind_asdl import Id_str
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| 8 | from core import error
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| 9 | from frontend import match
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| 10 | from mycpp import mops
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| 11 | from osh import sh_expr_eval
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| 12 |
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| 13 |
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| 14 | class ParsingTest(unittest.TestCase):
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| 15 |
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| 16 | def testMatchFunction(self):
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| 17 | id_, pos = match.MatchShNumberToken('2#1010', 0)
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| 18 | if 0:
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| 19 | print('id = %r' % id_)
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| 20 | print('id = %r' % Id_str(id_))
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| 21 | print('pos = %r' % pos)
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| 22 |
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| 23 | def checkCases(self, cases):
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| 24 | for s, expected in cases:
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| 25 | stripped = s.strip() # also done in caller
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| 26 | try:
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| 27 | ok, actual = sh_expr_eval._MaybeParseInt(stripped, loc.Missing)
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| 28 | except error.Strict:
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| 29 | ok = False
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| 30 |
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| 31 | if not ok:
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| 32 | actual = None
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| 33 |
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| 34 | if 0:
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| 35 | print('s %r' % s)
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| 36 | print('expected', expected and expected.i)
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| 37 | print('actual', actual and actual.i)
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| 38 | print()
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| 39 | self.assertEqual(actual, expected)
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| 40 |
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| 41 | def testDecimalConst(self):
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| 42 | CASES = [
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| 43 | ('0', mops.BigInt(0)),
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| 44 | ('42042', mops.BigInt(42042)),
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| 45 | (' 2 ', mops.BigInt(2)),
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| 46 | (' 2\t', mops.BigInt(2)),
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| 47 | ('\r\n2\r\n', mops.BigInt(2)),
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| 48 | ('1F', None),
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| 49 | ('011', mops.BigInt(9)), # Parsed as an octal
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| 50 | ('1_1', None),
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| 51 | ('1 1', None),
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| 52 | ]
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| 53 | self.checkCases(CASES)
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| 54 |
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| 55 | def testOctalConst(self):
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| 56 | CASES = [
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| 57 | ('0777', mops.BigInt(511)),
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| 58 | ('00012', mops.BigInt(10)),
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| 59 | (' 010\t', mops.BigInt(8)),
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| 60 | ('\n010\r\n', mops.BigInt(8)),
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| 61 | ('019', None),
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| 62 | ('0_9', None),
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| 63 | ('0 9', None),
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| 64 | ('0F0', None),
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| 65 | ]
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| 66 | self.checkCases(CASES)
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| 67 |
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| 68 | def testHexConst(self):
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| 69 | CASES = [
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| 70 | ('0xFF', mops.BigInt(255)),
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| 71 | ('0xff', mops.BigInt(255)),
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| 72 | ('0x0010', mops.BigInt(16)),
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| 73 | (' 0x1A ', mops.BigInt(26)),
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| 74 | ('\t0x1A\r\n', mops.BigInt(26)),
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| 75 | ('FF', None),
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| 76 | ('0xG', None),
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| 77 | ('0x1_0', None),
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| 78 | ('0x1 0', None),
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| 79 | ('0X12', None),
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| 80 | ]
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| 81 | self.checkCases(CASES)
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| 82 |
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| 83 | def testArbitraryBaseConst(self):
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| 84 | CASES = [
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| 85 | ('2#0110', mops.BigInt(6)),
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| 86 | ('8#777', mops.BigInt(511)),
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| 87 | ('16#ff', mops.BigInt(255)),
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| 88 | (' 16#ff\r ', mops.BigInt(255)),
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| 89 | ('\t16#ff\n', mops.BigInt(255)),
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| 90 | ('64#123abcABC@_', mops.BigInt(1189839476434038719)),
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| 91 | ('16#FF', None), # F != f, so F is out of range of the base
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| 92 | ('010#42', None), # Base cannot start with 0
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| 93 | ('65#1', None), # Base too large
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| 94 | ('0#1', None), # Base too small
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| 95 | ('1#1', None), # Base too small
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| 96 | ]
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| 97 | self.checkCases(CASES)
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| 98 |
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| 99 |
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| 100 | if __name__ == '__main__':
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| 101 | unittest.main()
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