Lib/test/test_int_literal.py

   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 from test import test_support
   8
   9 import warnings
  10 warnings.filterwarnings("ignore", "hex/oct constants", FutureWarning,
  11                         "<string>")
  12
  13 class TestHexOctBin(unittest.TestCase):
  14
  15     def test_hex_baseline(self):
  16         # A few upper/lowercase tests
  17         self.assertEqual(0x0, 0X0)
  18         self.assertEqual(0x1, 0X1)
  19         self.assertEqual(0x123456789abcdef, 0X123456789abcdef)
  20         # Baseline tests
  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 parentheses
  26         self.assertEqual(-(0x0), 0)
  27         self.assertEqual(-(0x10), -16)
  28         self.assertEqual(-(0x7fffffff), -2147483647)
  29         self.assertEqual(-(0x7fffffffffffffff), -9223372036854775807)
  30         # Ditto with a minus sign and NO parentheses
  31         self.assertEqual(-0x0, 0)
  32         self.assertEqual(-0x10, -16)
  33         self.assertEqual(-0x7fffffff, -2147483647)
  34         self.assertEqual(-0x7fffffffffffffff, -9223372036854775807)
  35
  36     def test_hex_unsigned(self):
  37         # Positive constants
  38         self.assertEqual(0x80000000, 2147483648L)
  39         self.assertEqual(0xffffffff, 4294967295L)
  40         # Ditto with a minus sign and parentheses
  41         self.assertEqual(-(0x80000000), -2147483648L)
  42         self.assertEqual(-(0xffffffff), -4294967295L)
  43         # Ditto with a minus sign and NO parentheses
  44         # This failed in Python 2.2 through 2.2.2 and in 2.3a1
  45         self.assertEqual(-0x80000000, -2147483648L)
  46         self.assertEqual(-0xffffffff, -4294967295L)
  47
  48         # Positive constants
  49         self.assertEqual(0x8000000000000000, 9223372036854775808L)
  50         self.assertEqual(0xffffffffffffffff, 18446744073709551615L)
  51         # Ditto with a minus sign and parentheses
  52         self.assertEqual(-(0x8000000000000000), -9223372036854775808L)
  53         self.assertEqual(-(0xffffffffffffffff), -18446744073709551615L)
  54         # Ditto with a minus sign and NO parentheses
  55         # This failed in Python 2.2 through 2.2.2 and in 2.3a1
  56         self.assertEqual(-0x8000000000000000, -9223372036854775808L)
  57         self.assertEqual(-0xffffffffffffffff, -18446744073709551615L)
  58
  59     def test_oct_baseline(self):
  60         # Baseline tests
  61         self.assertEqual(00, 0)
  62         self.assertEqual(020, 16)
  63         self.assertEqual(017777777777, 2147483647)
  64         self.assertEqual(0777777777777777777777, 9223372036854775807)
  65         # Ditto with a minus sign and parentheses
  66         self.assertEqual(-(00), 0)
  67         self.assertEqual(-(020), -16)
  68         self.assertEqual(-(017777777777), -2147483647)
  69         self.assertEqual(-(0777777777777777777777), -9223372036854775807)
  70         # Ditto with a minus sign and NO parentheses
  71         self.assertEqual(-00, 0)
  72         self.assertEqual(-020, -16)
  73         self.assertEqual(-017777777777, -2147483647)
  74         self.assertEqual(-0777777777777777777777, -9223372036854775807)
  75
  76     def test_oct_baseline_new(self):
  77         # A few upper/lowercase tests
  78         self.assertEqual(0o0, 0O0)
  79         self.assertEqual(0o1, 0O1)
  80         self.assertEqual(0o1234567, 0O1234567)
  81         # Baseline tests
  82         self.assertEqual(0o0, 0)
  83         self.assertEqual(0o20, 16)
  84         self.assertEqual(0o17777777777, 2147483647)
  85         self.assertEqual(0o777777777777777777777, 9223372036854775807)
  86         # Ditto with a minus sign and parentheses
  87         self.assertEqual(-(0o0), 0)
  88         self.assertEqual(-(0o20), -16)
  89         self.assertEqual(-(0o17777777777), -2147483647)
  90         self.assertEqual(-(0o777777777777777777777), -9223372036854775807)
  91         # Ditto with a minus sign and NO parentheses
  92         self.assertEqual(-0o0, 0)
  93         self.assertEqual(-0o20, -16)
  94         self.assertEqual(-0o17777777777, -2147483647)
  95         self.assertEqual(-0o777777777777777777777, -9223372036854775807)
  96
  97     def test_oct_unsigned(self):
  98         # Positive constants
  99         self.assertEqual(020000000000, 2147483648L)
 100         self.assertEqual(037777777777, 4294967295L)
 101         # Ditto with a minus sign and parentheses
 102         self.assertEqual(-(020000000000), -2147483648L)
 103         self.assertEqual(-(037777777777), -4294967295L)
 104         # Ditto with a minus sign and NO parentheses
 105         # This failed in Python 2.2 through 2.2.2 and in 2.3a1
 106         self.assertEqual(-020000000000, -2147483648L)
 107         self.assertEqual(-037777777777, -4294967295L)
 108
 109         # Positive constants
 110         self.assertEqual(01000000000000000000000, 9223372036854775808L)
 111         self.assertEqual(01777777777777777777777, 18446744073709551615L)
 112         # Ditto with a minus sign and parentheses
 113         self.assertEqual(-(01000000000000000000000), -9223372036854775808L)
 114         self.assertEqual(-(01777777777777777777777), -18446744073709551615L)
 115         # Ditto with a minus sign and NO parentheses
 116         # This failed in Python 2.2 through 2.2.2 and in 2.3a1
 117         self.assertEqual(-01000000000000000000000, -9223372036854775808L)
 118         self.assertEqual(-01777777777777777777777, -18446744073709551615L)
 119
 120     def test_oct_unsigned_new(self):
 121         # Positive constants
 122         self.assertEqual(0o20000000000, 2147483648L)
 123         self.assertEqual(0o37777777777, 4294967295L)
 124         # Ditto with a minus sign and parentheses
 125         self.assertEqual(-(0o20000000000), -2147483648L)
 126         self.assertEqual(-(0o37777777777), -4294967295L)
 127         # Ditto with a minus sign and NO parentheses
 128         # This failed in Python 2.2 through 2.2.2 and in 2.3a1
 129         self.assertEqual(-0o20000000000, -2147483648L)
 130         self.assertEqual(-0o37777777777, -4294967295L)
 131
 132         # Positive constants
 133         self.assertEqual(0o1000000000000000000000, 9223372036854775808L)
 134         self.assertEqual(0o1777777777777777777777, 18446744073709551615L)
 135         # Ditto with a minus sign and parentheses
 136         self.assertEqual(-(0o1000000000000000000000), -9223372036854775808L)
 137         self.assertEqual(-(0o1777777777777777777777), -18446744073709551615L)
 138         # Ditto with a minus sign and NO parentheses
 139         # This failed in Python 2.2 through 2.2.2 and in 2.3a1
 140         self.assertEqual(-0o1000000000000000000000, -9223372036854775808L)
 141         self.assertEqual(-0o1777777777777777777777, -18446744073709551615L)
 142
 143     def test_bin_baseline(self):
 144         # A few upper/lowercase tests
 145         self.assertEqual(0b0, 0B0)
 146         self.assertEqual(0b1, 0B1)
 147         self.assertEqual(0b10101010101, 0B10101010101)
 148         # Baseline tests
 149         self.assertEqual(0b0, 0)
 150         self.assertEqual(0b10000, 16)
 151         self.assertEqual(0b1111111111111111111111111111111, 2147483647)
 152         self.assertEqual(0b111111111111111111111111111111111111111111111111111111111111111, 9223372036854775807)
 153         # Ditto with a minus sign and parentheses
 154         self.assertEqual(-(0b0), 0)
 155         self.assertEqual(-(0b10000), -16)
 156         self.assertEqual(-(0b1111111111111111111111111111111), -2147483647)
 157         self.assertEqual(-(0b111111111111111111111111111111111111111111111111111111111111111), -9223372036854775807)
 158         # Ditto with a minus sign and NO parentheses
 159         self.assertEqual(-0b0, 0)
 160         self.assertEqual(-0b10000, -16)
 161         self.assertEqual(-0b1111111111111111111111111111111, -2147483647)
 162         self.assertEqual(-0b111111111111111111111111111111111111111111111111111111111111111, -9223372036854775807)
 163
 164     def test_bin_unsigned(self):
 165         # Positive constants
 166         self.assertEqual(0b10000000000000000000000000000000, 2147483648L)
 167         self.assertEqual(0b11111111111111111111111111111111, 4294967295L)
 168         # Ditto with a minus sign and parentheses
 169         self.assertEqual(-(0b10000000000000000000000000000000), -2147483648L)
 170         self.assertEqual(-(0b11111111111111111111111111111111), -4294967295L)
 171         # Ditto with a minus sign and NO parentheses
 172         # This failed in Python 2.2 through 2.2.2 and in 2.3a1
 173         self.assertEqual(-0b10000000000000000000000000000000, -2147483648L)
 174         self.assertEqual(-0b11111111111111111111111111111111, -4294967295L)
 175
 176         # Positive constants
 177         self.assertEqual(0b1000000000000000000000000000000000000000000000000000000000000000, 9223372036854775808L)
 178         self.assertEqual(0b1111111111111111111111111111111111111111111111111111111111111111, 18446744073709551615L)
 179         # Ditto with a minus sign and parentheses
 180         self.assertEqual(-(0b1000000000000000000000000000000000000000000000000000000000000000), -9223372036854775808L)
 181         self.assertEqual(-(0b1111111111111111111111111111111111111111111111111111111111111111), -18446744073709551615L)
 182         # Ditto with a minus sign and NO parentheses
 183         # This failed in Python 2.2 through 2.2.2 and in 2.3a1
 184         self.assertEqual(-0b1000000000000000000000000000000000000000000000000000000000000000, -9223372036854775808L)
 185         self.assertEqual(-0b1111111111111111111111111111111111111111111111111111111111111111, -18446744073709551615L)
 186
 187 def test_main():
 188     test_support.run_unittest(TestHexOctBin)
 189
 190 if __name__ == "__main__":
 191     test_main()