code: /*
   * Copyright (c) 2016-present, RxJava Contributors.
   *
   * Licensed 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 io.reactivex.rxjava3.validators;
  
  import static org.junit.Assert.assertEquals;
  import org.junit.Test;
  
  public class ParameterNamesInClassesTest {
      void method(int paramName) {
          // deliberately empty
      }
  
      @Test
      public void javacParametersEnabled() throws Exception {
          assertEquals("Please enable saving parameter names via the -parameters javac argument",
                  "paramName",
                  getClass()
                  .getDeclaredMethod("method", Integer.TYPE)
                  .getParameters()[0].getName());
      }
  }
  