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issue23591: add Flags, IntFlags, and tests
This commit is contained in:
Ethan Furman
parent
bfbaa6b206
commit
ee47e5cf8a
2 changed files with 668 additions and 11 deletions
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@ -3,7 +3,7 @@ import inspect
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import pydoc
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import unittest
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from collections import OrderedDict
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from enum import Enum, IntEnum, EnumMeta, unique
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from enum import Enum, IntEnum, EnumMeta, Flags, IntFlags, unique
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from io import StringIO
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from pickle import dumps, loads, PicklingError, HIGHEST_PROTOCOL
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from test import support
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@ -1633,6 +1633,456 @@ class TestOrder(unittest.TestCase):
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verde = green
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class TestFlags(unittest.TestCase):
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"""Tests of the Flags."""
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class Perm(Flags):
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R, W, X = 4, 2, 1
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class Open(Flags):
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RO = 0
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WO = 1
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RW = 2
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AC = 3
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CE = 1<<19
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def test_str(self):
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Perm = self.Perm
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self.assertEqual(str(Perm.R), 'Perm.R')
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self.assertEqual(str(Perm.W), 'Perm.W')
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self.assertEqual(str(Perm.X), 'Perm.X')
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self.assertEqual(str(Perm.R | Perm.W), 'Perm.R|W')
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self.assertEqual(str(Perm.R | Perm.W | Perm.X), 'Perm.R|W|X')
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self.assertEqual(str(Perm(0)), 'Perm.0')
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self.assertEqual(str(~Perm.R), 'Perm.W|X')
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self.assertEqual(str(~Perm.W), 'Perm.R|X')
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self.assertEqual(str(~Perm.X), 'Perm.R|W')
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self.assertEqual(str(~(Perm.R | Perm.W)), 'Perm.X')
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self.assertEqual(str(~(Perm.R | Perm.W | Perm.X)), 'Perm.0')
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self.assertEqual(str(Perm(~0)), 'Perm.R|W|X')
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Open = self.Open
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self.assertEqual(str(Open.RO), 'Open.RO')
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self.assertEqual(str(Open.WO), 'Open.WO')
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self.assertEqual(str(Open.AC), 'Open.AC')
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self.assertEqual(str(Open.RO | Open.CE), 'Open.CE')
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self.assertEqual(str(Open.WO | Open.CE), 'Open.CE|WO')
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self.assertEqual(str(~Open.RO), 'Open.CE|AC')
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self.assertEqual(str(~Open.WO), 'Open.CE|RW')
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self.assertEqual(str(~Open.AC), 'Open.CE')
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self.assertEqual(str(~(Open.RO | Open.CE)), 'Open.AC')
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self.assertEqual(str(~(Open.WO | Open.CE)), 'Open.RW')
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def test_repr(self):
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Perm = self.Perm
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self.assertEqual(repr(Perm.R), '<Perm.R: 4>')
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self.assertEqual(repr(Perm.W), '<Perm.W: 2>')
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self.assertEqual(repr(Perm.X), '<Perm.X: 1>')
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self.assertEqual(repr(Perm.R | Perm.W), '<Perm.R|W: 6>')
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self.assertEqual(repr(Perm.R | Perm.W | Perm.X), '<Perm.R|W|X: 7>')
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self.assertEqual(repr(Perm(0)), '<Perm: 0>')
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self.assertEqual(repr(~Perm.R), '<Perm.W|X: 3>')
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self.assertEqual(repr(~Perm.W), '<Perm.R|X: 5>')
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self.assertEqual(repr(~Perm.X), '<Perm.R|W: 6>')
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self.assertEqual(repr(~(Perm.R | Perm.W)), '<Perm.X: 1>')
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self.assertEqual(repr(~(Perm.R | Perm.W | Perm.X)), '<Perm: 0>')
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self.assertEqual(repr(Perm(~0)), '<Perm.R|W|X: 7>')
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Open = self.Open
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self.assertEqual(repr(Open.RO), '<Open.RO: 0>')
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self.assertEqual(repr(Open.WO), '<Open.WO: 1>')
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self.assertEqual(repr(Open.AC), '<Open.AC: 3>')
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self.assertEqual(repr(Open.RO | Open.CE), '<Open.CE: 524288>')
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self.assertEqual(repr(Open.WO | Open.CE), '<Open.CE|WO: 524289>')
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self.assertEqual(repr(~Open.RO), '<Open.CE|AC: 524291>')
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self.assertEqual(repr(~Open.WO), '<Open.CE|RW: 524290>')
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self.assertEqual(repr(~Open.AC), '<Open.CE: 524288>')
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self.assertEqual(repr(~(Open.RO | Open.CE)), '<Open.AC: 3>')
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self.assertEqual(repr(~(Open.WO | Open.CE)), '<Open.RW: 2>')
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def test_or(self):
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Perm = self.Perm
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for i in Perm:
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for j in Perm:
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self.assertEqual((i | j), Perm(i.value | j.value))
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self.assertEqual((i | j).value, i.value | j.value)
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self.assertIs(type(i | j), Perm)
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for i in Perm:
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self.assertIs(i | i, i)
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Open = self.Open
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self.assertIs(Open.RO | Open.CE, Open.CE)
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def test_and(self):
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Perm = self.Perm
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RW = Perm.R | Perm.W
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RX = Perm.R | Perm.X
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WX = Perm.W | Perm.X
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RWX = Perm.R | Perm.W | Perm.X
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values = list(Perm) + [RW, RX, WX, RWX, Perm(0)]
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for i in values:
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for j in values:
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self.assertEqual((i & j).value, i.value & j.value)
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self.assertIs(type(i & j), Perm)
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for i in Perm:
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self.assertIs(i & i, i)
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self.assertIs(i & RWX, i)
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self.assertIs(RWX & i, i)
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Open = self.Open
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self.assertIs(Open.RO & Open.CE, Open.RO)
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def test_xor(self):
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Perm = self.Perm
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for i in Perm:
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for j in Perm:
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self.assertEqual((i ^ j).value, i.value ^ j.value)
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self.assertIs(type(i ^ j), Perm)
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for i in Perm:
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self.assertIs(i ^ Perm(0), i)
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self.assertIs(Perm(0) ^ i, i)
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Open = self.Open
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self.assertIs(Open.RO ^ Open.CE, Open.CE)
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self.assertIs(Open.CE ^ Open.CE, Open.RO)
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def test_invert(self):
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Perm = self.Perm
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RW = Perm.R | Perm.W
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RX = Perm.R | Perm.X
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WX = Perm.W | Perm.X
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RWX = Perm.R | Perm.W | Perm.X
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values = list(Perm) + [RW, RX, WX, RWX, Perm(0)]
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for i in values:
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self.assertIs(type(~i), Perm)
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self.assertEqual(~~i, i)
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for i in Perm:
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self.assertIs(~~i, i)
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Open = self.Open
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self.assertIs(Open.WO & ~Open.WO, Open.RO)
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self.assertIs((Open.WO|Open.CE) & ~Open.WO, Open.CE)
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def test_programatic_function_string(self):
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Perm = Flags('Perm', 'R W X')
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lst = list(Perm)
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self.assertEqual(len(lst), len(Perm))
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self.assertEqual(len(Perm), 3, Perm)
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self.assertEqual(lst, [Perm.R, Perm.W, Perm.X])
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for i, n in enumerate('R W X'.split()):
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v = 1<<i
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e = Perm(v)
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self.assertEqual(e.value, v)
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self.assertEqual(type(e.value), int)
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self.assertEqual(e.name, n)
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self.assertIn(e, Perm)
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self.assertIs(type(e), Perm)
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def test_programatic_function_string_with_start(self):
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Perm = Flags('Perm', 'R W X', start=8)
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lst = list(Perm)
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self.assertEqual(len(lst), len(Perm))
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self.assertEqual(len(Perm), 3, Perm)
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self.assertEqual(lst, [Perm.R, Perm.W, Perm.X])
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for i, n in enumerate('R W X'.split()):
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v = 8<<i
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e = Perm(v)
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self.assertEqual(e.value, v)
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self.assertEqual(type(e.value), int)
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self.assertEqual(e.name, n)
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self.assertIn(e, Perm)
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self.assertIs(type(e), Perm)
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def test_programatic_function_string_list(self):
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Perm = Flags('Perm', ['R', 'W', 'X'])
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lst = list(Perm)
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self.assertEqual(len(lst), len(Perm))
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self.assertEqual(len(Perm), 3, Perm)
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self.assertEqual(lst, [Perm.R, Perm.W, Perm.X])
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for i, n in enumerate('R W X'.split()):
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v = 1<<i
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e = Perm(v)
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self.assertEqual(e.value, v)
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self.assertEqual(type(e.value), int)
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self.assertEqual(e.name, n)
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self.assertIn(e, Perm)
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self.assertIs(type(e), Perm)
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def test_programatic_function_iterable(self):
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Perm = Flags('Perm', (('R', 2), ('W', 8), ('X', 32)))
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lst = list(Perm)
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self.assertEqual(len(lst), len(Perm))
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self.assertEqual(len(Perm), 3, Perm)
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self.assertEqual(lst, [Perm.R, Perm.W, Perm.X])
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for i, n in enumerate('R W X'.split()):
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v = 1<<(2*i+1)
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e = Perm(v)
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self.assertEqual(e.value, v)
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self.assertEqual(type(e.value), int)
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self.assertEqual(e.name, n)
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self.assertIn(e, Perm)
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self.assertIs(type(e), Perm)
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def test_programatic_function_from_dict(self):
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Perm = Flags('Perm', OrderedDict((('R', 2), ('W', 8), ('X', 32))))
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lst = list(Perm)
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self.assertEqual(len(lst), len(Perm))
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self.assertEqual(len(Perm), 3, Perm)
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self.assertEqual(lst, [Perm.R, Perm.W, Perm.X])
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for i, n in enumerate('R W X'.split()):
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v = 1<<(2*i+1)
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e = Perm(v)
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self.assertEqual(e.value, v)
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self.assertEqual(type(e.value), int)
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self.assertEqual(e.name, n)
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self.assertIn(e, Perm)
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self.assertIs(type(e), Perm)
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class TestIntFlags(unittest.TestCase):
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"""Tests of the IntFlags."""
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class Perm(IntFlags):
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X = 1 << 0
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W = 1 << 1
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R = 1 << 2
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class Open(IntFlags):
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RO = 0
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WO = 1
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RW = 2
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AC = 3
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CE = 1<<19
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def test_str(self):
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Perm = self.Perm
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self.assertEqual(str(Perm.R), 'Perm.R')
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self.assertEqual(str(Perm.W), 'Perm.W')
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self.assertEqual(str(Perm.X), 'Perm.X')
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self.assertEqual(str(Perm.R | Perm.W), 'Perm.R|W')
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self.assertEqual(str(Perm.R | Perm.W | Perm.X), 'Perm.R|W|X')
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self.assertEqual(str(Perm.R | 8), 'Perm.8|R')
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self.assertEqual(str(Perm(0)), 'Perm.0')
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self.assertEqual(str(Perm(8)), 'Perm.8')
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self.assertEqual(str(~Perm.R), 'Perm.W|X|-8')
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self.assertEqual(str(~Perm.W), 'Perm.R|X|-8')
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self.assertEqual(str(~Perm.X), 'Perm.R|W|-8')
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self.assertEqual(str(~(Perm.R | Perm.W)), 'Perm.X|-8')
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self.assertEqual(str(~(Perm.R | Perm.W | Perm.X)), 'Perm.-8')
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self.assertEqual(str(~(Perm.R | 8)), 'Perm.W|X|-16')
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self.assertEqual(str(Perm(~0)), 'Perm.R|W|X|-8')
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self.assertEqual(str(Perm(~8)), 'Perm.R|W|X|-16')
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Open = self.Open
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self.assertEqual(str(Open.RO), 'Open.RO')
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self.assertEqual(str(Open.WO), 'Open.WO')
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self.assertEqual(str(Open.AC), 'Open.AC')
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self.assertEqual(str(Open.RO | Open.CE), 'Open.CE')
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self.assertEqual(str(Open.WO | Open.CE), 'Open.CE|WO')
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self.assertEqual(str(Open(4)), 'Open.4')
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self.assertEqual(str(~Open.RO), 'Open.CE|AC|-524292')
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self.assertEqual(str(~Open.WO), 'Open.CE|RW|-524292')
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self.assertEqual(str(~Open.AC), 'Open.CE|-524292')
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self.assertEqual(str(~(Open.RO | Open.CE)), 'Open.AC|-524292')
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self.assertEqual(str(~(Open.WO | Open.CE)), 'Open.RW|-524292')
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self.assertEqual(str(Open(~4)), 'Open.CE|AC|-524296')
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def test_repr(self):
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Perm = self.Perm
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self.assertEqual(repr(Perm.R), '<Perm.R: 4>')
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self.assertEqual(repr(Perm.W), '<Perm.W: 2>')
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self.assertEqual(repr(Perm.X), '<Perm.X: 1>')
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self.assertEqual(repr(Perm.R | Perm.W), '<Perm.R|W: 6>')
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self.assertEqual(repr(Perm.R | Perm.W | Perm.X), '<Perm.R|W|X: 7>')
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self.assertEqual(repr(Perm.R | 8), '<Perm.8|R: 12>')
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self.assertEqual(repr(Perm(0)), '<Perm: 0>')
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self.assertEqual(repr(Perm(8)), '<Perm: 8>')
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self.assertEqual(repr(~Perm.R), '<Perm.W|X|-8: -5>')
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self.assertEqual(repr(~Perm.W), '<Perm.R|X|-8: -3>')
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self.assertEqual(repr(~Perm.X), '<Perm.R|W|-8: -2>')
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self.assertEqual(repr(~(Perm.R | Perm.W)), '<Perm.X|-8: -7>')
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self.assertEqual(repr(~(Perm.R | Perm.W | Perm.X)), '<Perm: -8>')
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self.assertEqual(repr(~(Perm.R | 8)), '<Perm.W|X|-16: -13>')
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self.assertEqual(repr(Perm(~0)), '<Perm.R|W|X|-8: -1>')
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self.assertEqual(repr(Perm(~8)), '<Perm.R|W|X|-16: -9>')
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Open = self.Open
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self.assertEqual(repr(Open.RO), '<Open.RO: 0>')
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self.assertEqual(repr(Open.WO), '<Open.WO: 1>')
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self.assertEqual(repr(Open.AC), '<Open.AC: 3>')
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self.assertEqual(repr(Open.RO | Open.CE), '<Open.CE: 524288>')
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self.assertEqual(repr(Open.WO | Open.CE), '<Open.CE|WO: 524289>')
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self.assertEqual(repr(Open(4)), '<Open: 4>')
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self.assertEqual(repr(~Open.RO), '<Open.CE|AC|-524292: -1>')
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self.assertEqual(repr(~Open.WO), '<Open.CE|RW|-524292: -2>')
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self.assertEqual(repr(~Open.AC), '<Open.CE|-524292: -4>')
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self.assertEqual(repr(~(Open.RO | Open.CE)), '<Open.AC|-524292: -524289>')
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self.assertEqual(repr(~(Open.WO | Open.CE)), '<Open.RW|-524292: -524290>')
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self.assertEqual(repr(Open(~4)), '<Open.CE|AC|-524296: -5>')
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def test_or(self):
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Perm = self.Perm
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for i in Perm:
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for j in Perm:
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self.assertEqual(i | j, i.value | j.value)
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self.assertEqual((i | j).value, i.value | j.value)
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self.assertIs(type(i | j), Perm)
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for j in range(8):
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self.assertEqual(i | j, i.value | j)
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self.assertEqual((i | j).value, i.value | j)
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self.assertIs(type(i | j), Perm)
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self.assertEqual(j | i, j | i.value)
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self.assertEqual((j | i).value, j | i.value)
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self.assertIs(type(j | i), Perm)
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for i in Perm:
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self.assertIs(i | i, i)
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self.assertIs(i | 0, i)
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self.assertIs(0 | i, i)
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Open = self.Open
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self.assertIs(Open.RO | Open.CE, Open.CE)
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def test_and(self):
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Perm = self.Perm
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RW = Perm.R | Perm.W
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RX = Perm.R | Perm.X
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WX = Perm.W | Perm.X
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RWX = Perm.R | Perm.W | Perm.X
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values = list(Perm) + [RW, RX, WX, RWX, Perm(0)]
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for i in values:
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for j in values:
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self.assertEqual(i & j, i.value & j.value, 'i is %r, j is %r' % (i, j))
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self.assertEqual((i & j).value, i.value & j.value, 'i is %r, j is %r' % (i, j))
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self.assertIs(type(i & j), Perm, 'i is %r, j is %r' % (i, j))
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for j in range(8):
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self.assertEqual(i & j, i.value & j)
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self.assertEqual((i & j).value, i.value & j)
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self.assertIs(type(i & j), Perm)
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self.assertEqual(j & i, j & i.value)
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self.assertEqual((j & i).value, j & i.value)
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self.assertIs(type(j & i), Perm)
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for i in Perm:
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self.assertIs(i & i, i)
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self.assertIs(i & 7, i)
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self.assertIs(7 & i, i)
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Open = self.Open
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self.assertIs(Open.RO & Open.CE, Open.RO)
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def test_xor(self):
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Perm = self.Perm
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for i in Perm:
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for j in Perm:
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self.assertEqual(i ^ j, i.value ^ j.value)
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self.assertEqual((i ^ j).value, i.value ^ j.value)
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self.assertIs(type(i ^ j), Perm)
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for j in range(8):
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self.assertEqual(i ^ j, i.value ^ j)
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self.assertEqual((i ^ j).value, i.value ^ j)
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self.assertIs(type(i ^ j), Perm)
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self.assertEqual(j ^ i, j ^ i.value)
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self.assertEqual((j ^ i).value, j ^ i.value)
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self.assertIs(type(j ^ i), Perm)
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for i in Perm:
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self.assertIs(i ^ 0, i)
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self.assertIs(0 ^ i, i)
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Open = self.Open
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self.assertIs(Open.RO ^ Open.CE, Open.CE)
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self.assertIs(Open.CE ^ Open.CE, Open.RO)
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def test_invert(self):
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Perm = self.Perm
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RW = Perm.R | Perm.W
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RX = Perm.R | Perm.X
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WX = Perm.W | Perm.X
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RWX = Perm.R | Perm.W | Perm.X
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values = list(Perm) + [RW, RX, WX, RWX, Perm(0)]
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for i in values:
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self.assertEqual(~i, ~i.value)
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self.assertEqual((~i).value, ~i.value)
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self.assertIs(type(~i), Perm)
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self.assertEqual(~~i, i)
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for i in Perm:
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self.assertIs(~~i, i)
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Open = self.Open
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self.assertIs(Open.WO & ~Open.WO, Open.RO)
|
||||
self.assertIs((Open.WO|Open.CE) & ~Open.WO, Open.CE)
|
||||
|
||||
def test_programatic_function_string(self):
|
||||
Perm = IntFlags('Perm', 'R W X')
|
||||
lst = list(Perm)
|
||||
self.assertEqual(len(lst), len(Perm))
|
||||
self.assertEqual(len(Perm), 3, Perm)
|
||||
self.assertEqual(lst, [Perm.R, Perm.W, Perm.X])
|
||||
for i, n in enumerate('R W X'.split()):
|
||||
v = 1<<i
|
||||
e = Perm(v)
|
||||
self.assertEqual(e.value, v)
|
||||
self.assertEqual(type(e.value), int)
|
||||
self.assertEqual(e, v)
|
||||
self.assertEqual(e.name, n)
|
||||
self.assertIn(e, Perm)
|
||||
self.assertIs(type(e), Perm)
|
||||
|
||||
def test_programatic_function_string_with_start(self):
|
||||
Perm = IntFlags('Perm', 'R W X', start=8)
|
||||
lst = list(Perm)
|
||||
self.assertEqual(len(lst), len(Perm))
|
||||
self.assertEqual(len(Perm), 3, Perm)
|
||||
self.assertEqual(lst, [Perm.R, Perm.W, Perm.X])
|
||||
for i, n in enumerate('R W X'.split()):
|
||||
v = 8<<i
|
||||
e = Perm(v)
|
||||
self.assertEqual(e.value, v)
|
||||
self.assertEqual(type(e.value), int)
|
||||
self.assertEqual(e, v)
|
||||
self.assertEqual(e.name, n)
|
||||
self.assertIn(e, Perm)
|
||||
self.assertIs(type(e), Perm)
|
||||
|
||||
def test_programatic_function_string_list(self):
|
||||
Perm = IntFlags('Perm', ['R', 'W', 'X'])
|
||||
lst = list(Perm)
|
||||
self.assertEqual(len(lst), len(Perm))
|
||||
self.assertEqual(len(Perm), 3, Perm)
|
||||
self.assertEqual(lst, [Perm.R, Perm.W, Perm.X])
|
||||
for i, n in enumerate('R W X'.split()):
|
||||
v = 1<<i
|
||||
e = Perm(v)
|
||||
self.assertEqual(e.value, v)
|
||||
self.assertEqual(type(e.value), int)
|
||||
self.assertEqual(e, v)
|
||||
self.assertEqual(e.name, n)
|
||||
self.assertIn(e, Perm)
|
||||
self.assertIs(type(e), Perm)
|
||||
|
||||
def test_programatic_function_iterable(self):
|
||||
Perm = IntFlags('Perm', (('R', 2), ('W', 8), ('X', 32)))
|
||||
lst = list(Perm)
|
||||
self.assertEqual(len(lst), len(Perm))
|
||||
self.assertEqual(len(Perm), 3, Perm)
|
||||
self.assertEqual(lst, [Perm.R, Perm.W, Perm.X])
|
||||
for i, n in enumerate('R W X'.split()):
|
||||
v = 1<<(2*i+1)
|
||||
e = Perm(v)
|
||||
self.assertEqual(e.value, v)
|
||||
self.assertEqual(type(e.value), int)
|
||||
self.assertEqual(e, v)
|
||||
self.assertEqual(e.name, n)
|
||||
self.assertIn(e, Perm)
|
||||
self.assertIs(type(e), Perm)
|
||||
|
||||
def test_programatic_function_from_dict(self):
|
||||
Perm = IntFlags('Perm', OrderedDict((('R', 2), ('W', 8), ('X', 32))))
|
||||
lst = list(Perm)
|
||||
self.assertEqual(len(lst), len(Perm))
|
||||
self.assertEqual(len(Perm), 3, Perm)
|
||||
self.assertEqual(lst, [Perm.R, Perm.W, Perm.X])
|
||||
for i, n in enumerate('R W X'.split()):
|
||||
v = 1<<(2*i+1)
|
||||
e = Perm(v)
|
||||
self.assertEqual(e.value, v)
|
||||
self.assertEqual(type(e.value), int)
|
||||
self.assertEqual(e, v)
|
||||
self.assertEqual(e.name, n)
|
||||
self.assertIn(e, Perm)
|
||||
self.assertIs(type(e), Perm)
|
||||
|
||||
|
||||
class TestUnique(unittest.TestCase):
|
||||
|
||||
def test_unique_clean(self):
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue