/*
    * Licensed to the Hipparchus project under one or more
    * contributor license agreements.  See the NOTICE file distributed with
    * this work for additional information regarding copyright ownership.
    * The Hipparchus project 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
    *
    *      https://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.hipparchus.ode.nonstiff;
  
  import org.hipparchus.CalculusFieldElement;
  import org.hipparchus.Field;
  import org.hipparchus.exception.MathIllegalArgumentException;
  import org.hipparchus.exception.MathIllegalStateException;
  import org.hipparchus.util.Binary64Field;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  class AdamsBashforthFieldIntegratorTest extends AdamsFieldIntegratorAbstractTest {
  
      protected <T extends CalculusFieldElement<T>> AdamsFieldIntegrator<T>
      createIntegrator(Field<T> field, final int nSteps, final double minStep, final double maxStep,
                       final double scalAbsoluteTolerance, final double scalRelativeTolerance) {
          return new AdamsBashforthFieldIntegrator<T>(field, nSteps, minStep, maxStep,
                          scalAbsoluteTolerance, scalRelativeTolerance);
      }
  
      protected <T extends CalculusFieldElement<T>> AdamsFieldIntegrator<T>
      createIntegrator(Field<T> field, final int nSteps, final double minStep, final double maxStep,
                       final double[] vecAbsoluteTolerance, final double[] vecRelativeTolerance) {
          return new AdamsBashforthFieldIntegrator<T>(field, nSteps, minStep, maxStep,
                          vecAbsoluteTolerance, vecRelativeTolerance);
      }
  
      @Test
      void testNbPoints() {
          doNbPointsTest();
      }
  
      @Test
      public void testMinStep() {
          assertThrows(MathIllegalArgumentException.class, () -> {
              doDimensionCheck(Binary64Field.getInstance());
          });
      }
  
      @Test
      public void testIncreasingTolerance() {
          // the 2.6 and 122 factors are only valid for this test
          // and has been obtained from trial and error
          // there are no general relationship between local and global errors
          doTestIncreasingTolerance(Binary64Field.getInstance(), 2.6, 122);
      }
  
      @Test
      public void exceedMaxEvaluations() {
          assertThrows(MathIllegalStateException.class, () -> {
              doExceedMaxEvaluations(Binary64Field.getInstance(), 650);
          });
      }
  
      @Test
      public void backward() {
          doBackward(Binary64Field.getInstance(), 4.3e-8, 4.3e-8, 1.0e-16, "Adams-Bashforth");
      }
  
      @Test
      public void polynomial() {
          doPolynomial(Binary64Field.getInstance(), 5, 9.0e-4, 9.3e-10);
      }
  
      @Test
      public void testSecondaryEquations() {
          doTestSecondaryEquations(Binary64Field.getInstance(), 4.3e-10, 8.9e-16);
      }
  
      @Test
      public void testStartFailure() {
          assertThrows(MathIllegalStateException.class, () -> {
              doTestStartFailure(Binary64Field.getInstance());
          });
      }
  
  }