source: utilitiespy/test/immutablelist/PowersetTest.py@ 1031

import unittest

from tudelft.utilities.immutablelist.FixedList import FixedList
from tudelft.utilities.immutablelist.ImmutableList import ImmutableList
from tudelft.utilities.immutablelist.PowerSet import PowerSet


class PowersetTest(unittest.TestCase):
        list1=FixedList[int] ([1, 2, 3])

        #blabla
        def test(self):
                ps = PowerSet[int](self.list1)
                self.assertEquals(8, ps.size())
                # first element is empty
                self.assertEqual(0, ps.get(0).size())
                # last element is the full set
                self._allElementsMatch(self.list1, ps.get(7))
                self._allElementsMatch(FixedList[int]([1, 3]), ps.get(5))

        def testOutOfBounds(self):
                ps = PowerSet[int](self.list1)
                self.assertRaises(IndexError, lambda: ps.get(8))

        def _allElementsMatch(self, l1:ImmutableList[int] ,
                        l2:ImmutableList[int] ):
                self.assertEqual(l1.size(), l2.size()) 
                for i in range(l1.size()):
                        self.assertEqual(l1.get(i), l2.get(i))

        def testPrint(self):
                print(PowerSet(FixedList([1,2,3,4])))