# Copyright 2022 DeepMind Technologies Limited
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Tests for open_spiel.python.egt.nash_averaging."""

from __future__ import absolute_import
from __future__ import division
from __future__ import print_function

from absl.testing import absltest
import numpy as np

from open_spiel.python.algorithm.nash_averaging import nash_averaging
import pyspiel

class NashAveragingTest(absltest.TestCase):

  def test_simple_game(self):
    game = pyspiel.create_matrix_game(
                [[0.0, -1.0, 1.0], [1.0, 0.0, -1.0], [-1.0, 1.0, 0.0]],
                [[0.0, 1.0, -1.0], [-1.0, 0.0, 1.0], [1.0, -1.0, 0.0]])
    

    maxent_nash, nash_avg_value = nash_averaging(game)
    for prob in maxent_nash:
      self.assertAlmostEqual(prob, 1/3)
    
    for v in nash_avg_value:
      self.assertAlmostEqual(v, 0)


if __name__ == "__main__":
  absltest.main()
# Copyright 2022 DeepMind Technologies Limited
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Tests for open_spiel.python.egt.nash_averaging."""

from __future__ import absolute_import
from __future__ import division
from __future__ import print_function

from absl.testing import absltest
import numpy as np

from open_spiel.python.algorithms.nash_averaging import nash_averaging
import pyspiel

class NashAveragingTest(absltest.TestCase):

  def test_simple_game(self):
    game = pyspiel.create_matrix_game(
                [[0.0, -1.0, 1.0], [1.0, 0.0, -1.0], [-1.0, 1.0, 0.0]],
                [[0.0, 1.0, -1.0], [-1.0, 0.0, 1.0], [1.0, -1.0, 0.0]])
    

    maxent_nash, nash_avg_value = nash_averaging(game)
    for prob in maxent_nash:
      self.assertAlmostEqual(prob, 1/3)
    
    for v in nash_avg_value:
      self.assertAlmostEqual(v, 0)


if __name__ == "__main__":
  absltest.main()
fix test bug