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#################################################################################################
#
# 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.coalesce

"""

import logging
import unittest

from pycute import *

_LOGGER = logging.getLogger(__name__)


class TestCoalesce(unittest.TestCase):
  def helper_test_coalesce(self, layout):
    layoutR = coalesce(layout)

    _LOGGER.debug(f"{layout}  =>  {layoutR}")

    self.assertEqual(size(layoutR), size(layout))

    for i in range(size(layout)):
      self.assertEqual(layoutR(i), layout(i))

  def test_coalesce(self):
    layout = Layout(1,0)
    self.helper_test_coalesce(layout)

    layout = Layout(1,1)
    self.helper_test_coalesce(layout)

    layout = Layout((2,4))
    self.helper_test_coalesce(layout)

    layout = Layout((2,4,6))
    self.helper_test_coalesce(layout)

    layout = Layout((2,4,6), (1,6,2))
    self.helper_test_coalesce(layout)

    layout = Layout((2,1,6), (1,7,2))
    self.helper_test_coalesce(layout)

    layout = Layout((2,1,6), (4,7,8))
    self.helper_test_coalesce(layout)

    layout = Layout((2,(4,6)))
    self.helper_test_coalesce(layout)

    layout = Layout((2,4), (4,1))
    self.helper_test_coalesce(layout)

    layout = Layout((2,4,6), (24,6,1))
    self.helper_test_coalesce(layout)

    layout = Layout((2,1,3), (2,4,4))
    self.helper_test_coalesce(layout)

    layout = Layout(((2,2),(2,2)), ((1,4),(8,32)))
    self.helper_test_coalesce(layout)


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