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1   /*
2    * Licensed to the Hipparchus project under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The Hipparchus project licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      https://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.hipparchus.optim;
18  
19  import org.junit.jupiter.api.Test;
20  
21  import java.util.ArrayList;
22  import java.util.List;
23  
24  import static org.junit.jupiter.api.Assertions.assertFalse;
25  import static org.junit.jupiter.api.Assertions.assertTrue;
26  
27  class ConvergenceCheckerAndMultiplexerTest {
28  
29      @Test
30      void testFalseFalse() {
31          assertFalse(new ConvergenceCheckerAndMultiplexer<>(buildCheckers(false, false)).converged(0, null, null));
32      }
33  
34      @Test
35      void testFalseTrue() {
36          assertFalse(new ConvergenceCheckerAndMultiplexer<>(buildCheckers(false, true)).converged(0, null, null));
37      }
38  
39      @Test
40      void testTrueFalse() {
41          assertFalse(new ConvergenceCheckerAndMultiplexer<>(buildCheckers(true, false)).converged(0, null, null));
42      }
43  
44      @Test
45      void testTrueTrue() {
46          assertTrue(new ConvergenceCheckerAndMultiplexer<>(buildCheckers(true, true)).converged(0, null, null));
47      }
48  
49      private List<ConvergenceChecker<Object>> buildCheckers(final boolean result1, final boolean result2) {
50          final List<ConvergenceChecker<Object>> checkers = new ArrayList<>();
51          checkers.add((iteration, previous, current) -> result1);
52          checkers.add((iteration, previous, current) -> result2);
53          return checkers;
54      }
55  
56  }