import unittest
from tudelft.utilities.immutablelist.FixedList import FixedList
from tudelft.utilities.immutablelist.Outer import Outer

class OuterTest (unittest.TestCase) :
    list1 = FixedList([ "a", "b" ])
    list2 = FixedList([ "c", "d" ])
    list3 = FixedList[str]([])
    list4 = FixedList( [ "e" ])
    list5 = FixedList([ "f", "g", "h" ])
    list6 = FixedList([ "i" ])

    def test(self):
        p = Outer([self.list1, self.list2])
        self.assertEqual(4, p.size())
        self.assertEqual("[['a', 'c'],['b', 'c'],['a', 'd'],['b', 'd']]", str(p))
        print("data=" + str(p) )

    def testEmpty(self):
        p =  Outer([self.list1, self.list2, self.list3])
        self.assertEqual(0, p.size())

    def testEmpty2(self):
        p = Outer([])
        self.assertEqual(0, p.size());


    def test2(self):
        p = Outer([self.list1, self.list4])
        self.assertEquals(2, p.size())
        print("data=" + str(p) )

    def test3(self): 
        p = Outer([self.list1, self.list2, self.list5])
        self.assertEqual(2 * 2 * 3, p.size())
        print("data=" + str(p) )
        self.assertEqual(
                "[['a', 'c', 'f'],['b', 'c', 'f'],['a', 'd', 'f'],['b', 'd', 'f'],['a', 'c', 'g'],['b', 'c', 'g'],['a', 'd', 'g'],['b', 'd', 'g'],['a', 'c', 'h'],['b', 'c', 'h'],['a', 'd', 'h'],['b', 'd', 'h']]",
                str(p))

    def testSmall(self):
        p = Outer([self.list4, self.list6])
        print("data=" + str(p) )
        self.assertEqual(1, p.size())
        self.assertEqual("[['e', 'i']]", str(p))

    def testConstructors(self):
        p1 = Outer([self.list1, self.list2, self.list5])
        p2 = Outer([self.list1, self.list2, self.list5])
        self.assertEqual(p1, p2);
        self.assertEqual(hash(p1), hash(p2))