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"""Test correct treatment of hex/oct constants.
This is complex because of changes due to PEP 237.
"""
import sys
platform_long_is_32_bits = sys.maxint == 2147483647
import unittest
from test import test_support
import warnings
warnings.filterwarnings("ignore", "hex/oct constants", FutureWarning,
"<string>")
class TextHexOct(unittest.TestCase):
def test_hex_baseline(self):
# Baseline tests
self.assertEqual(0x0, 0)
self.assertEqual(0x10, 16)
if platform_long_is_32_bits:
self.assertEqual(0x7fffffff, 2147483647)
else:
self.assertEqual(0x7fffffffffffffff, 9223372036854775807)
# Ditto with a minus sign and parentheses
self.assertEqual(-(0x0), 0)
self.assertEqual(-(0x10), -16)
if platform_long_is_32_bits:
self.assertEqual(-(0x7fffffff), -2147483647)
else:
self.assertEqual(-(0x7fffffffffffffff), -9223372036854775807)
# Ditto with a minus sign and NO parentheses
self.assertEqual(-0x0, 0)
self.assertEqual(-0x10, -16)
if platform_long_is_32_bits:
self.assertEqual(-0x7fffffff, -2147483647)
else:
self.assertEqual(-0x7fffffffffffffff, -9223372036854775807)
def test_hex_unsigned(self):
if platform_long_is_32_bits:
# Positive constants
self.assertEqual(0x80000000, 2147483648)
self.assertEqual(0xffffffff, 4294967295)
# Ditto with a minus sign and parentheses
self.assertEqual(-(0x80000000), -2147483648)
self.assertEqual(-(0xffffffff), -4294967295)
# Ditto with a minus sign and NO parentheses
# This failed in Python 2.2 through 2.2.2 and in 2.3a1
self.assertEqual(-0x80000000, -2147483648)
self.assertEqual(-0xffffffff, -4294967295)
else:
# Positive constants
self.assertEqual(0x8000000000000000, 9223372036854775808)
self.assertEqual(0xffffffffffffffff, 18446744073709551615)
# Ditto with a minus sign and parentheses
self.assertEqual(-(0x8000000000000000), -9223372036854775808)
self.assertEqual(-(0xffffffffffffffff), -18446744073709551615)
# Ditto with a minus sign and NO parentheses
# This failed in Python 2.2 through 2.2.2 and in 2.3a1
self.assertEqual(-0x8000000000000000, -9223372036854775808)
self.assertEqual(-0xffffffffffffffff, -18446744073709551615)
def test_oct_baseline(self):
# Baseline tests
self.assertEqual(00, 0)
self.assertEqual(020, 16)
if platform_long_is_32_bits:
self.assertEqual(017777777777, 2147483647)
else:
self.assertEqual(0777777777777777777777, 9223372036854775807)
# Ditto with a minus sign and parentheses
self.assertEqual(-(00), 0)
self.assertEqual(-(020), -16)
if platform_long_is_32_bits:
self.assertEqual(-(017777777777), -2147483647)
else:
self.assertEqual(-(0777777777777777777777), -9223372036854775807)
# Ditto with a minus sign and NO parentheses
self.assertEqual(-00, 0)
self.assertEqual(-020, -16)
if platform_long_is_32_bits:
self.assertEqual(-017777777777, -2147483647)
else:
self.assertEqual(-0777777777777777777777, -9223372036854775807)
def test_oct_unsigned(self):
if platform_long_is_32_bits:
# Positive constants
self.assertEqual(020000000000, 2147483648)
self.assertEqual(037777777777, 4294967295)
# Ditto with a minus sign and parentheses
self.assertEqual(-(020000000000), -2147483648)
self.assertEqual(-(037777777777), -4294967295)
# Ditto with a minus sign and NO parentheses
# This failed in Python 2.2 through 2.2.2 and in 2.3a1
self.assertEqual(-020000000000, -2147483648)
self.assertEqual(-037777777777, -4294967295)
else:
# Positive constants
self.assertEqual(01000000000000000000000, 9223372036854775808)
self.assertEqual(01777777777777777777777, 18446744073709551615)
# Ditto with a minus sign and parentheses
self.assertEqual(-(01000000000000000000000), -9223372036854775808)
self.assertEqual(-(01777777777777777777777), -18446744073709551615)
# Ditto with a minus sign and NO parentheses
# This failed in Python 2.2 through 2.2.2 and in 2.3a1
self.assertEqual(-01000000000000000000000, -9223372036854775808)
self.assertEqual(-01777777777777777777777, -18446744073709551615)
def test_main():
test_support.run_unittest(TextHexOct)
if __name__ == "__main__":
test_main()
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