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Add test_int_literal from CPython 3.8
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‎Lib/test/test_int_literal.py

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"""Test correct treatment of hex/oct constants.
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This is complex because of changes due to PEP 237.
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"""
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import unittest
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class TestHexOctBin(unittest.TestCase):
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def test_hex_baseline(self):
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# A few upper/lowercase tests
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self.assertEqual(0x0, 0X0)
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self.assertEqual(0x1, 0X1)
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self.assertEqual(0x123456789abcdef, 0X123456789abcdef)
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# Baseline tests
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self.assertEqual(0x0, 0)
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self.assertEqual(0x10, 16)
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self.assertEqual(0x7fffffff, 2147483647)
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self.assertEqual(0x7fffffffffffffff, 9223372036854775807)
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# Ditto with a minus sign and parentheses
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self.assertEqual(-(0x0), 0)
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self.assertEqual(-(0x10), -16)
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self.assertEqual(-(0x7fffffff), -2147483647)
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self.assertEqual(-(0x7fffffffffffffff), -9223372036854775807)
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# Ditto with a minus sign and NO parentheses
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self.assertEqual(-0x0, 0)
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self.assertEqual(-0x10, -16)
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self.assertEqual(-0x7fffffff, -2147483647)
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self.assertEqual(-0x7fffffffffffffff, -9223372036854775807)
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def test_hex_unsigned(self):
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# Positive constants
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self.assertEqual(0x80000000, 2147483648)
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self.assertEqual(0xffffffff, 4294967295)
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# Ditto with a minus sign and parentheses
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self.assertEqual(-(0x80000000), -2147483648)
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self.assertEqual(-(0xffffffff), -4294967295)
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# Ditto with a minus sign and NO parentheses
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# This failed in Python 2.2 through 2.2.2 and in 2.3a1
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self.assertEqual(-0x80000000, -2147483648)
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self.assertEqual(-0xffffffff, -4294967295)
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# Positive constants
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self.assertEqual(0x8000000000000000, 9223372036854775808)
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self.assertEqual(0xffffffffffffffff, 18446744073709551615)
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# Ditto with a minus sign and parentheses
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self.assertEqual(-(0x8000000000000000), -9223372036854775808)
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self.assertEqual(-(0xffffffffffffffff), -18446744073709551615)
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# Ditto with a minus sign and NO parentheses
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# This failed in Python 2.2 through 2.2.2 and in 2.3a1
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self.assertEqual(-0x8000000000000000, -9223372036854775808)
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self.assertEqual(-0xffffffffffffffff, -18446744073709551615)
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def test_oct_baseline(self):
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# A few upper/lowercase tests
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self.assertEqual(0o0, 0O0)
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self.assertEqual(0o1, 0O1)
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self.assertEqual(0o1234567, 0O1234567)
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# Baseline tests
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self.assertEqual(0o0, 0)
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self.assertEqual(0o20, 16)
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self.assertEqual(0o17777777777, 2147483647)
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self.assertEqual(0o777777777777777777777, 9223372036854775807)
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# Ditto with a minus sign and parentheses
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self.assertEqual(-(0o0), 0)
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self.assertEqual(-(0o20), -16)
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self.assertEqual(-(0o17777777777), -2147483647)
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self.assertEqual(-(0o777777777777777777777), -9223372036854775807)
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# Ditto with a minus sign and NO parentheses
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self.assertEqual(-0o0, 0)
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self.assertEqual(-0o20, -16)
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self.assertEqual(-0o17777777777, -2147483647)
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self.assertEqual(-0o777777777777777777777, -9223372036854775807)
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def test_oct_unsigned(self):
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# Positive constants
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self.assertEqual(0o20000000000, 2147483648)
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self.assertEqual(0o37777777777, 4294967295)
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# Ditto with a minus sign and parentheses
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self.assertEqual(-(0o20000000000), -2147483648)
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self.assertEqual(-(0o37777777777), -4294967295)
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# Ditto with a minus sign and NO parentheses
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# This failed in Python 2.2 through 2.2.2 and in 2.3a1
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self.assertEqual(-0o20000000000, -2147483648)
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self.assertEqual(-0o37777777777, -4294967295)
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# Positive constants
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self.assertEqual(0o1000000000000000000000, 9223372036854775808)
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self.assertEqual(0o1777777777777777777777, 18446744073709551615)
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# Ditto with a minus sign and parentheses
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self.assertEqual(-(0o1000000000000000000000), -9223372036854775808)
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self.assertEqual(-(0o1777777777777777777777), -18446744073709551615)
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# Ditto with a minus sign and NO parentheses
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# This failed in Python 2.2 through 2.2.2 and in 2.3a1
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self.assertEqual(-0o1000000000000000000000, -9223372036854775808)
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self.assertEqual(-0o1777777777777777777777, -18446744073709551615)
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def test_bin_baseline(self):
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# A few upper/lowercase tests
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self.assertEqual(0b0, 0B0)
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self.assertEqual(0b1, 0B1)
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self.assertEqual(0b10101010101, 0B10101010101)
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# Baseline tests
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self.assertEqual(0b0, 0)
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self.assertEqual(0b10000, 16)
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self.assertEqual(0b1111111111111111111111111111111, 2147483647)
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self.assertEqual(0b111111111111111111111111111111111111111111111111111111111111111, 9223372036854775807)
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# Ditto with a minus sign and parentheses
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self.assertEqual(-(0b0), 0)
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self.assertEqual(-(0b10000), -16)
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self.assertEqual(-(0b1111111111111111111111111111111), -2147483647)
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self.assertEqual(-(0b111111111111111111111111111111111111111111111111111111111111111), -9223372036854775807)
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# Ditto with a minus sign and NO parentheses
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self.assertEqual(-0b0, 0)
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self.assertEqual(-0b10000, -16)
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self.assertEqual(-0b1111111111111111111111111111111, -2147483647)
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self.assertEqual(-0b111111111111111111111111111111111111111111111111111111111111111, -9223372036854775807)
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def test_bin_unsigned(self):
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# Positive constants
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self.assertEqual(0b10000000000000000000000000000000, 2147483648)
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self.assertEqual(0b11111111111111111111111111111111, 4294967295)
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# Ditto with a minus sign and parentheses
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self.assertEqual(-(0b10000000000000000000000000000000), -2147483648)
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self.assertEqual(-(0b11111111111111111111111111111111), -4294967295)
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# Ditto with a minus sign and NO parentheses
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# This failed in Python 2.2 through 2.2.2 and in 2.3a1
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self.assertEqual(-0b10000000000000000000000000000000, -2147483648)
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self.assertEqual(-0b11111111111111111111111111111111, -4294967295)
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# Positive constants
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self.assertEqual(0b1000000000000000000000000000000000000000000000000000000000000000, 9223372036854775808)
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self.assertEqual(0b1111111111111111111111111111111111111111111111111111111111111111, 18446744073709551615)
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# Ditto with a minus sign and parentheses
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self.assertEqual(-(0b1000000000000000000000000000000000000000000000000000000000000000), -9223372036854775808)
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self.assertEqual(-(0b1111111111111111111111111111111111111111111111111111111111111111), -18446744073709551615)
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# Ditto with a minus sign and NO parentheses
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# This failed in Python 2.2 through 2.2.2 and in 2.3a1
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self.assertEqual(-0b1000000000000000000000000000000000000000000000000000000000000000, -9223372036854775808)
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self.assertEqual(-0b1111111111111111111111111111111111111111111111111111111111111111, -18446744073709551615)
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if __name__ == "__main__":
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unittest.main()

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