content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF 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 reforest.rf;
  
  import org.junit.Test;
  import reforest.rf.feature.RFFeatureSizer;
  import reforest.rf.feature.RFFeatureSizerSimpleModelSelection;
  import reforest.rf.feature.RFFeatureSizerSpecializedModelSelection;
  import reforest.rf.split.RFSplitter;
  import test.RFResourceFactory;
  
  import static org.junit.Assert.assertEquals;
  
  public class RFFeatureSizerTest {
      private final int numberBin = 32;
      private final int numClasses = 10;
      private final RFSplitter<Double, Integer> splitter = RFResourceFactory.getSplitterRandomDefault(-23.5, 12.7, numberBin);
      private final RFFeatureSizer sizer = splitter.generateRFSizer(numClasses);
  
      @Test
      public void getSize(){
          assertEquals((numberBin + 1)*numClasses, sizer.getSize(1));
      }
  
      @Test
      public void shrinker() {
          RFFeatureSizerSimpleModelSelection sizer = new RFFeatureSizerSimpleModelSelection(32, 2, new RFCategoryInfoEmpty(), 16);
  
          assertEquals(0, sizer.getShrinkedValue(1, 0));
          assertEquals(1, sizer.getShrinkedValue(1, -1));
          assertEquals(16, sizer.getShrinkedValue(1, 32));
          assertEquals(16, sizer.getShrinkedValue(1, 33));
          assertEquals(16, sizer.getShrinkedValue(1, 100));
      }
  }
  