#################################################################################################
#
# Copyright (c) 2023 - 2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: BSD-3-Clause
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
#################################################################################################

"""
Unit tests for pycute.composition
"""

import logging
import unittest

from pycute import *

_LOGGER = logging.getLogger(__name__)


class TestComposition(unittest.TestCase):
  def helper_test_composition(self, layoutA, layoutB):
    layoutR = composition(layoutA, layoutB)

    _LOGGER.debug(f"{layoutA} o {layoutB}  =>  {layoutR}")

    # True post-condition: Every coordinate c of layoutB with L1D(c) < size(layoutR) is a coordinate of layoutR.

    # Test that R(c) = A(B(c)) for all coordinates c in layoutR
    for i in range(size(layoutR)):
      self.assertEqual(layoutR(i), layoutA(layoutB(i)))

  def test_composition(self):
    layoutA = Layout(1,0)
    layoutB = Layout(1,0)
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout(1,0)
    layoutB = Layout(1,1)
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout(1,1)
    layoutB = Layout(1,0)
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout(1,1)
    layoutB = Layout(1,1)
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout((4))
    layoutB = Layout((4))
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout((4), (2))
    layoutB = Layout((4))
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout((4))
    layoutB = Layout((4), (2))
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout((4), (0))
    layoutB = Layout((4))
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout((4))
    layoutB = Layout((4), (0))
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout((1), (0))
    layoutB = Layout((4))
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout((4))
    layoutB = Layout((1), (0))
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout((4))
    layoutB = Layout((2))
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout((4), (2))
    layoutB = Layout((2))
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout((4))
    layoutB = Layout((2), (2))
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout((4), (2))
    layoutB = Layout((2), (2))
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout((12))
    layoutB = Layout((4,3))
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout((12), (2))
    layoutB = Layout((4,3))
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout((12))
    layoutB = Layout((4,3), (3,1))
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout((12), (2))
    layoutB = Layout((4,3), (3,1))
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout((12))
    layoutB = Layout((2,3), (2,4))
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout((4,3))
    layoutB = Layout((4,3))
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout((4,3))
    layoutB = Layout((12))
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout((4,3))
    layoutB = Layout((6), (2))
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout((4,3))
    layoutB = Layout((6,2), (2,1))
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout((4,3), (3,1))
    layoutB = Layout((4,3))
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout((4,3), (3,1))
    layoutB = Layout((12))
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout((4,3), (3,1))
    layoutB = Layout((6), (2))
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout((4,3), (3,1))
    layoutB = Layout((6,2), (2,1))
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout((8,8))
    layoutB = Layout(((2,2,2), (2,2,2)),((1,16,4), (8,2,32)))
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout((8,8), (8,1))
    layoutB = Layout(((2,2,2), (2,2,2)),((1,16,4), (8,2,32)))
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout(((2,2,2), (2,2,2)),((1,16,4), (8,2,32)))
    layoutB = Layout(8, 4)
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout(((4,2)), ((1,16)))
    layoutB = Layout((4,2), (2,1))
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout((2,2), (2,1))
    layoutB = Layout((2,2), (2,1))
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout((4,8,2))
    layoutB = Layout((2,2,2), (2,8,1))
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout((4,8,2), (2,8,1))
    layoutB = Layout((2,2,2), (1,8,2))
    self.helper_test_composition(layoutA, layoutB)

    layoutA = Layout((4,8,2), (2,8,1))
    layoutB = Layout((4,2,2), (2,8,1))
    self.helper_test_composition(layoutA, layoutB)


if __name__ == "__main__":
  unittest.main()
