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 org.apache.spark.ml.param;
  
  import java.util.Arrays;
  
  import org.junit.Assert;
  import org.junit.Test;
  
  /**
   * Test Param and related classes in Java
   */
  public class JavaParamsSuite {
  
    @Test
    public void testParams() {
      JavaTestParams testParams = new JavaTestParams();
      Assert.assertEquals(testParams.getMyIntParam(), 1);
      testParams.setMyIntParam(2).setMyDoubleParam(0.4).setMyStringParam("a");
      Assert.assertEquals(testParams.getMyDoubleParam(), 0.4, 0.0);
      Assert.assertEquals(testParams.getMyStringParam(), "a");
      Assert.assertArrayEquals(testParams.getMyDoubleArrayParam(), new double[]{1.0, 2.0}, 0.0);
    }
  
    @Test
    public void testParamValidate() {
      ParamValidators.gt(1.0);
      ParamValidators.gtEq(1.0);
      ParamValidators.lt(1.0);
      ParamValidators.ltEq(1.0);
      ParamValidators.inRange(0, 1, true, false);
      ParamValidators.inRange(0, 1);
      ParamValidators.inArray(Arrays.asList(0, 1, 3));
      ParamValidators.inArray(Arrays.asList("a", "b"));
    }
  }
  