/*
    * 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.junit.jupiter.api.Test;
  
  class ClassicalRungeKuttaIntegratorTest extends RungeKuttaIntegratorAbstractTest {
  
      protected FixedStepRungeKuttaIntegrator createIntegrator(double step) {
          return new ClassicalRungeKuttaIntegrator(step);
      }
  
      @Override
      @Test
      public void testMissedEndEvent() {
          doTestMissedEndEvent(5.0e-6, 1.0e-9);
      }
  
      @Override
      @Test
      public void testSanityChecks() {
          doTestSanityChecks();
      }
  
      @Override
      @Test
      public void testDecreasingSteps() {
          doTestDecreasingSteps(1.0, 1.0, 1.0e-10);
      }
  
      @Override
      @Test
      public void testSmallStep() {
          doTestSmallStep(2.0e-13, 4.0e-12, 1.0e-12, "classical Runge-Kutta");
      }
  
      @Override
      @Test
      public void testBigStep() {
          doTestBigStep(0.0004, 0.005, 1.0e-12, "classical Runge-Kutta");
  
      }
  
      @Override
      @Test
      public void testBackward() {
          doTestBackward(5.0e-10, 7.0e-10, 1.0e-12, "classical Runge-Kutta");
      }
  
      @Override
      @Test
      public void testKepler() {
          doTestKepler(5.82e-3, 1.0e-5);
      }
  
      @Override
      @Test
      public void testStepSize() {
          doTestStepSize(1.0e-12);
      }
  
      @Override
      @Test
      public void testSingleStep() {
          doTestSingleStep(9.3e-9);
      }
  
      @Override
      @Test
      public void testTooLargeFirstStep() {
          doTestTooLargeFirstStep();
      }
  
      @Override
      @Test
      public void testUnstableDerivative() {
          doTestUnstableDerivative(1.0e-12);
      }
  
      @Override
      @Test
      public void testDerivativesConsistency() {
          doTestDerivativesConsistency(1.0e-10);
      }
 
     @Override
     @Test
     public void testSerialization() {
         doTestSerialization(1017892, 5.5e-3);
     }
 
     @Test
     public void testSecondaryEquations() {
         doTestSecondaryEquations(1.1e-12, 5.6e-13);
     }
 
 }