/* Copyright 2022-2025 Romain Serra
    * Licensed to CS GROUP (CS) under one or more
    * contributor license agreements.  See the NOTICE file distributed with
    * this work for additional information regarding copyright ownership.
    * CS licenses this file to You 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.
   */
  package org.orekit.control.indirect.adjoint.cost;
  
  import org.hipparchus.complex.Complex;
  import org.hipparchus.complex.ComplexField;
  import org.hipparchus.util.MathArrays;
  import org.junit.jupiter.api.Assertions;
  import org.junit.jupiter.api.Test;
  import org.mockito.Mockito;
  
  class AbstractCartesianCostTest {
  
      @Test
      void testGetFieldAdjointVelocityNorm() {
          // GIVEN
          final Complex[] fieldAdjoint = MathArrays.buildArray(ComplexField.getInstance(), 6);
          for (int i = 0; i < fieldAdjoint.length; i++) {
              fieldAdjoint[i] = Complex.ONE.multiply(i);
          }
          final double[] adjoint = new double[fieldAdjoint.length];
          for (int i = 0; i < fieldAdjoint.length; i++) {
              adjoint[i] = fieldAdjoint[i].getReal();
          }
          final AbstractCartesianCost cartesianEnergy = Mockito.mock(AbstractCartesianCost.class);
          Mockito.when(cartesianEnergy.getFieldAdjointVelocityNorm(fieldAdjoint)).thenCallRealMethod();
          Mockito.when(cartesianEnergy.getAdjointVelocityNorm(adjoint)).thenCallRealMethod();
          // WHEN
          final Complex fieldNorm = cartesianEnergy.getFieldAdjointVelocityNorm(fieldAdjoint);
          // THEN
          Assertions.assertEquals(cartesianEnergy.getAdjointVelocityNorm(adjoint), fieldNorm.getReal());
      }
  }