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#!/usr/bin/python3-dbg
# -*- coding: utf-8 -*-
# Tests minimalistes pour valider la construction de chemins relatifs et absolus.
from chrysacase import ChrysalideTestCase
from pychrysalide.common import bitfield
class TestBitfields(ChrysalideTestCase):
"""TestCase for common.bitfield*"""
def testDuplicateBitfield(self):
"""Check duplicated bitfield value."""
bf = bitfield(10, 0)
bf2 = bf.dup()
self.assertEqual(bf, bf2)
def testBitfieldValues(self):
"""Evaluate bitfields basic values."""
bf_a = bitfield(75, 1)
bf_b = bitfield(75, 0)
self.assertNotEqual(bf_a, bf_b)
bf_a = bitfield(75, 1)
bf_b = bitfield(75, 0)
bf_b.set_all()
self.assertEqual(bf_a, bf_b)
bf_a = bitfield(75, 1)
bf_a.reset_all()
bf_b = bitfield(75, 0)
self.assertEqual(bf_a, bf_b)
def testBitfieldLogicalOperations(self):
"""Perform logical operations on bitfields."""
bf_a = bitfield(75, 1)
bf_b = bitfield(75, 0)
bf_f = bf_a & bf_b
self.assertEqual(bf_f, bf_b)
bf_f = bf_a | bf_b
self.assertEqual(bf_f, bf_a)
def testBitfieldSwitch(self):
"""Switch various bits in bitfields."""
bf_1 = bitfield(75, 1)
bf_0 = bitfield(75, 0)
bf_t = bitfield(75, 0)
for i in range(75):
bf_t.set(i, 1)
self.assertEqual(bf_t, bf_1)
for i in range(75):
bf_t.reset(i, 1)
self.assertEqual(bf_t, bf_0)
def testBitfieldBits(self):
"""Test bits in bitfields."""
bf = bitfield(54, 1)
self.assertTrue(bf.test(0))
self.assertTrue(bf.test(53))
self.assertTrue(bf.test_all(0, 54))
self.assertFalse(bf.test_none(0, 54))
bf = bitfield(54, 0)
self.assertFalse(bf.test(0))
self.assertFalse(bf.test(53))
self.assertFalse(bf.test_all(0, 54))
self.assertTrue(bf.test_none(0, 54))
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