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      1 """Test correct treatment of hex/oct constants.
      2 
      3 This is complex because of changes due to PEP 237.
      4 """
      5 
      6 import unittest
      7 
      8 class TestHexOctBin(unittest.TestCase):
      9 
     10     def test_hex_baseline(self):
     11         # A few upper/lowercase tests
     12         self.assertEqual(0x0, 0X0)
     13         self.assertEqual(0x1, 0X1)
     14         self.assertEqual(0x123456789abcdef, 0X123456789abcdef)
     15         # Baseline tests
     16         self.assertEqual(0x0, 0)
     17         self.assertEqual(0x10, 16)
     18         self.assertEqual(0x7fffffff, 2147483647)
     19         self.assertEqual(0x7fffffffffffffff, 9223372036854775807)
     20         # Ditto with a minus sign and parentheses
     21         self.assertEqual(-(0x0), 0)
     22         self.assertEqual(-(0x10), -16)
     23         self.assertEqual(-(0x7fffffff), -2147483647)
     24         self.assertEqual(-(0x7fffffffffffffff), -9223372036854775807)
     25         # Ditto with a minus sign and NO parentheses
     26         self.assertEqual(-0x0, 0)
     27         self.assertEqual(-0x10, -16)
     28         self.assertEqual(-0x7fffffff, -2147483647)
     29         self.assertEqual(-0x7fffffffffffffff, -9223372036854775807)
     30 
     31     def test_hex_unsigned(self):
     32         # Positive constants
     33         self.assertEqual(0x80000000, 2147483648)
     34         self.assertEqual(0xffffffff, 4294967295)
     35         # Ditto with a minus sign and parentheses
     36         self.assertEqual(-(0x80000000), -2147483648)
     37         self.assertEqual(-(0xffffffff), -4294967295)
     38         # Ditto with a minus sign and NO parentheses
     39         # This failed in Python 2.2 through 2.2.2 and in 2.3a1
     40         self.assertEqual(-0x80000000, -2147483648)
     41         self.assertEqual(-0xffffffff, -4294967295)
     42 
     43         # Positive constants
     44         self.assertEqual(0x8000000000000000, 9223372036854775808)
     45         self.assertEqual(0xffffffffffffffff, 18446744073709551615)
     46         # Ditto with a minus sign and parentheses
     47         self.assertEqual(-(0x8000000000000000), -9223372036854775808)
     48         self.assertEqual(-(0xffffffffffffffff), -18446744073709551615)
     49         # Ditto with a minus sign and NO parentheses
     50         # This failed in Python 2.2 through 2.2.2 and in 2.3a1
     51         self.assertEqual(-0x8000000000000000, -9223372036854775808)
     52         self.assertEqual(-0xffffffffffffffff, -18446744073709551615)
     53 
     54     def test_oct_baseline(self):
     55         # A few upper/lowercase tests
     56         self.assertEqual(0o0, 0O0)
     57         self.assertEqual(0o1, 0O1)
     58         self.assertEqual(0o1234567, 0O1234567)
     59         # Baseline tests
     60         self.assertEqual(0o0, 0)
     61         self.assertEqual(0o20, 16)
     62         self.assertEqual(0o17777777777, 2147483647)
     63         self.assertEqual(0o777777777777777777777, 9223372036854775807)
     64         # Ditto with a minus sign and parentheses
     65         self.assertEqual(-(0o0), 0)
     66         self.assertEqual(-(0o20), -16)
     67         self.assertEqual(-(0o17777777777), -2147483647)
     68         self.assertEqual(-(0o777777777777777777777), -9223372036854775807)
     69         # Ditto with a minus sign and NO parentheses
     70         self.assertEqual(-0o0, 0)
     71         self.assertEqual(-0o20, -16)
     72         self.assertEqual(-0o17777777777, -2147483647)
     73         self.assertEqual(-0o777777777777777777777, -9223372036854775807)
     74 
     75     def test_oct_unsigned(self):
     76         # Positive constants
     77         self.assertEqual(0o20000000000, 2147483648)
     78         self.assertEqual(0o37777777777, 4294967295)
     79         # Ditto with a minus sign and parentheses
     80         self.assertEqual(-(0o20000000000), -2147483648)
     81         self.assertEqual(-(0o37777777777), -4294967295)
     82         # Ditto with a minus sign and NO parentheses
     83         # This failed in Python 2.2 through 2.2.2 and in 2.3a1
     84         self.assertEqual(-0o20000000000, -2147483648)
     85         self.assertEqual(-0o37777777777, -4294967295)
     86 
     87         # Positive constants
     88         self.assertEqual(0o1000000000000000000000, 9223372036854775808)
     89         self.assertEqual(0o1777777777777777777777, 18446744073709551615)
     90         # Ditto with a minus sign and parentheses
     91         self.assertEqual(-(0o1000000000000000000000), -9223372036854775808)
     92         self.assertEqual(-(0o1777777777777777777777), -18446744073709551615)
     93         # Ditto with a minus sign and NO parentheses
     94         # This failed in Python 2.2 through 2.2.2 and in 2.3a1
     95         self.assertEqual(-0o1000000000000000000000, -9223372036854775808)
     96         self.assertEqual(-0o1777777777777777777777, -18446744073709551615)
     97 
     98     def test_bin_baseline(self):
     99         # A few upper/lowercase tests
    100         self.assertEqual(0b0, 0B0)
    101         self.assertEqual(0b1, 0B1)
    102         self.assertEqual(0b10101010101, 0B10101010101)
    103         # Baseline tests
    104         self.assertEqual(0b0, 0)
    105         self.assertEqual(0b10000, 16)
    106         self.assertEqual(0b1111111111111111111111111111111, 2147483647)
    107         self.assertEqual(0b111111111111111111111111111111111111111111111111111111111111111, 9223372036854775807)
    108         # Ditto with a minus sign and parentheses
    109         self.assertEqual(-(0b0), 0)
    110         self.assertEqual(-(0b10000), -16)
    111         self.assertEqual(-(0b1111111111111111111111111111111), -2147483647)
    112         self.assertEqual(-(0b111111111111111111111111111111111111111111111111111111111111111), -9223372036854775807)
    113         # Ditto with a minus sign and NO parentheses
    114         self.assertEqual(-0b0, 0)
    115         self.assertEqual(-0b10000, -16)
    116         self.assertEqual(-0b1111111111111111111111111111111, -2147483647)
    117         self.assertEqual(-0b111111111111111111111111111111111111111111111111111111111111111, -9223372036854775807)
    118 
    119     def test_bin_unsigned(self):
    120         # Positive constants
    121         self.assertEqual(0b10000000000000000000000000000000, 2147483648)
    122         self.assertEqual(0b11111111111111111111111111111111, 4294967295)
    123         # Ditto with a minus sign and parentheses
    124         self.assertEqual(-(0b10000000000000000000000000000000), -2147483648)
    125         self.assertEqual(-(0b11111111111111111111111111111111), -4294967295)
    126         # Ditto with a minus sign and NO parentheses
    127         # This failed in Python 2.2 through 2.2.2 and in 2.3a1
    128         self.assertEqual(-0b10000000000000000000000000000000, -2147483648)
    129         self.assertEqual(-0b11111111111111111111111111111111, -4294967295)
    130 
    131         # Positive constants
    132         self.assertEqual(0b1000000000000000000000000000000000000000000000000000000000000000, 9223372036854775808)
    133         self.assertEqual(0b1111111111111111111111111111111111111111111111111111111111111111, 18446744073709551615)
    134         # Ditto with a minus sign and parentheses
    135         self.assertEqual(-(0b1000000000000000000000000000000000000000000000000000000000000000), -9223372036854775808)
    136         self.assertEqual(-(0b1111111111111111111111111111111111111111111111111111111111111111), -18446744073709551615)
    137         # Ditto with a minus sign and NO parentheses
    138         # This failed in Python 2.2 through 2.2.2 and in 2.3a1
    139         self.assertEqual(-0b1000000000000000000000000000000000000000000000000000000000000000, -9223372036854775808)
    140         self.assertEqual(-0b1111111111111111111111111111111111111111111111111111111111111111, -18446744073709551615)
    141 
    142 if __name__ == "__main__":
    143     unittest.main()
    144