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"""
Unit tests for pycute.int_tuple
"""

import unittest

from pycute import *


class TestIntTuple(unittest.TestCase):
  def test_product(self):
    self.assertEqual(product(2), 2)

    self.assertEqual(product((3,2)), 6)

    self.assertEqual(product(product(((2,3),4))), 24)

  def test_inner_product(self):
    self.assertEqual(inner_product(2, 3), 6)

    self.assertEqual(inner_product((1,2), (3,2)), 7)

    self.assertEqual(inner_product(((2,3),4), ((2,1),2)), 15)

  def test_shape_div(self):
    self.assertEqual(shape_div((3,4), 6), (1,2))

    self.assertEqual(shape_div((3,4), 12), (1,1))

    self.assertEqual(shape_div((3,4), 36), (1,1))

    self.assertEqual(shape_div(((3,4),6), 36), ((1,1),2))

    self.assertEqual(shape_div((6,(3,4)), 36), (1,(1,2)))

  def test_prefix_product(self):
    self.assertEqual(prefix_product(2), 1)

    self.assertEqual(prefix_product((3,2)), (1,3))

    self.assertEqual(prefix_product((3,2,4)), (1,3,6))

    self.assertEqual(prefix_product(((2,3),4)), ((1,2),6))

    self.assertEqual(prefix_product(((2,3),(2, 1, 2),( 5,  2,  1))),
                                    ((1,2),(6,12,12),(24,120,240)))