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