/*
    * 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
    *
    *      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.apache.commons.beanutils2;
  
  import java.util.HashMap;
  import java.util.Iterator;
  import java.util.Map;
  
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  /**
   * JUnit Test Case containing microbenchmarks for BeanUtils.
   */
  public class BeanUtilsBenchCase {
  
      // Basic loop counter
      private long counter = 100000;
  
      // DynaClass for inDyna and outDyna
      private DynaClass dynaClass;
  
      // Input objects that have identical sets of properties and values.
      private BenchBean inBean;
      private DynaBean inDyna;
      private Map<String, Object> inMap; // Map of Objects requiring no conversion
      private Map<String, String> inStrs; // Map of Strings requiring conversion
  
      // Output objects that have identical sets of properties.
      private BenchBean outBean;
      private DynaBean outDyna;
  
      // BeanUtilsBean instance to be used
      private BeanUtilsBean bu;
  
      /**
       * Sets up instance variables required by this test case.
       */
      @BeforeEach
      public void setUp() throws Exception {
  
          // Set up loop counter (if property specified)
          final String prop = System.getProperty("counter");
          if (prop != null) {
              counter = Long.parseLong(prop);
          }
  
          // Set up DynaClass for our DynaBean instances
          dynaClass = new BasicDynaClass("BenchDynaClass", null,
                  new DynaProperty[] { new DynaProperty("booleanProperty", Boolean.TYPE), new DynaProperty("byteProperty", Byte.TYPE),
                          new DynaProperty("doubleProperty", Double.TYPE), new DynaProperty("floatProperty", Float.TYPE),
                          new DynaProperty("intProperty", Integer.TYPE), new DynaProperty("longProperty", Long.TYPE),
                          new DynaProperty("shortProperty", Short.TYPE), new DynaProperty("stringProperty", String.class), });
  
          // Create input instances
          inBean = new BenchBean();
          inMap = new HashMap<>();
          inMap.put("booleanProperty", Boolean.valueOf(inBean.getBooleanProperty()));
          inMap.put("byteProperty", Byte.valueOf(inBean.getByteProperty()));
          inMap.put("doubleProperty", Double.valueOf(inBean.getDoubleProperty()));
          inMap.put("floatProperty", Float.valueOf(inBean.getFloatProperty()));
          inMap.put("intProperty", Integer.valueOf(inBean.getIntProperty()));
          inMap.put("longProperty", Long.valueOf(inBean.getLongProperty()));
          inMap.put("shortProperty", Short.valueOf(inBean.getShortProperty()));
          inMap.put("stringProperty", inBean.getStringProperty());
          inDyna = dynaClass.newInstance();
          Iterator<String> inKeys = inMap.keySet().iterator();
          while (inKeys.hasNext()) {
              final String inKey = inKeys.next();
              inDyna.set(inKey, inMap.get(inKey));
          }
          inStrs = new HashMap<>();
          inKeys = inMap.keySet().iterator();
          while (inKeys.hasNext()) {
              final String inKey = inKeys.next();
              inStrs.put(inKey, inMap.get(inKey).toString());
          }
  
          // Create output instances
          outBean = new BenchBean();
          outDyna = dynaClass.newInstance();
          for (final String outKey : inMap.keySet()) {
              outDyna.set(outKey, inMap.get(outKey));
         }
 
         // Set up BeanUtilsBean instance we will use
         bu = BeanUtilsBean.getInstance();
 
     }
 
     /**
      * Tear down instance variables required by this test case.
      */
     @AfterEach
     public void tearDown() {
         dynaClass = null;
         inBean = null;
         inDyna = null;
         inMap = null;
         outBean = null;
         outDyna = null;
         bu = null;
     }
 
     // Time copyProperties() from a bean
     @Test
     public void testCopyPropertiesBean() throws Exception {
 
         long startMillis;
         long stopMillis;
 
         // Bean->Bean
         for (long i = 0; i < counter; i++) {
             bu.copyProperties(outBean, inBean);
         }
         startMillis = System.currentTimeMillis();
         for (long i = 0; i < counter; i++) {
             bu.copyProperties(outBean, inBean);
         }
         stopMillis = System.currentTimeMillis();
         System.err.println("BU.copyProperties(bean,bean), count=" + counter + ", time=" + (stopMillis - startMillis));
 
         // Bean->Dyna
         for (long i = 0; i < counter; i++) {
             bu.copyProperties(outDyna, inBean);
         }
         startMillis = System.currentTimeMillis();
         for (long i = 0; i < counter; i++) {
             bu.copyProperties(outDyna, inBean);
         }
         stopMillis = System.currentTimeMillis();
         System.err.println("BU.copyProperties(dyna,bean), count=" + counter + ", time=" + (stopMillis - startMillis));
 
     }
 
     // Time copyProperties() from a DynaBean
     @Test
     public void testCopyPropertiesDyna() throws Exception {
 
         long startMillis;
         long stopMillis;
 
         // Dyna->Bean
         for (long i = 0; i < counter; i++) {
             bu.copyProperties(outBean, inDyna);
         }
         startMillis = System.currentTimeMillis();
         for (long i = 0; i < counter; i++) {
             bu.copyProperties(outBean, inDyna);
         }
         stopMillis = System.currentTimeMillis();
         System.err.println("BU.copyProperties(bean,dyna), count=" + counter + ", time=" + (stopMillis - startMillis));
 
         // Dyna->Dyna
         for (long i = 0; i < counter; i++) {
             bu.copyProperties(outDyna, inDyna);
         }
         startMillis = System.currentTimeMillis();
         for (long i = 0; i < counter; i++) {
             bu.copyProperties(outDyna, inDyna);
         }
         stopMillis = System.currentTimeMillis();
         System.err.println("BU.copyProperties(dyna,dyna), count=" + counter + ", time=" + (stopMillis - startMillis));
 
     }
 
     // Time copyProperties() from a Map of Objects
     @Test
     public void testCopyPropertiesMap() throws Exception {
 
         long startMillis;
         long stopMillis;
 
         // Map->Bean
         for (long i = 0; i < counter; i++) {
             bu.copyProperties(outBean, inMap);
         }
         startMillis = System.currentTimeMillis();
         for (long i = 0; i < counter; i++) {
             bu.copyProperties(outBean, inMap);
         }
         stopMillis = System.currentTimeMillis();
         System.err.println("BU.copyProperties(bean, map), count=" + counter + ", time=" + (stopMillis - startMillis));
 
         // Map->Dyna
         for (long i = 0; i < counter; i++) {
             bu.copyProperties(outDyna, inMap);
         }
         startMillis = System.currentTimeMillis();
         for (long i = 0; i < counter; i++) {
             bu.copyProperties(outDyna, inMap);
         }
         stopMillis = System.currentTimeMillis();
         System.err.println("BU.copyProperties(dyna, map), count=" + counter + ", time=" + (stopMillis - startMillis));
 
     }
 
     // Time copyProperties() from a Map of Strings
     @Test
     public void testCopyPropertiesStrs() throws Exception {
 
         long startMillis;
         long stopMillis;
 
         // Strs->Bean
         for (long i = 0; i < counter; i++) {
             bu.copyProperties(outBean, inStrs);
         }
         startMillis = System.currentTimeMillis();
         for (long i = 0; i < counter; i++) {
             bu.copyProperties(outBean, inStrs);
         }
         stopMillis = System.currentTimeMillis();
         System.err.println("BU.copyProperties(bean,strs), count=" + counter + ", time=" + (stopMillis - startMillis));
 
         // Strs->Dyna
         for (long i = 0; i < counter; i++) {
             bu.copyProperties(outDyna, inStrs);
         }
         startMillis = System.currentTimeMillis();
         for (long i = 0; i < counter; i++) {
             bu.copyProperties(outDyna, inStrs);
         }
         stopMillis = System.currentTimeMillis();
         System.err.println("BU.copyProperties(dyna,strs), count=" + counter + ", time=" + (stopMillis - startMillis));
 
     }
 
     // Time populate() from a Map of Objects
     @Test
     public void testPopulateMap() throws Exception {
 
         long startMillis;
         long stop;
 
         // Map->Bean
         for (long i = 0; i < counter; i++) {
             bu.populate(outBean, inMap);
         }
         startMillis = System.currentTimeMillis();
         for (long i = 0; i < counter; i++) {
             bu.populate(outBean, inMap);
         }
         stop = System.currentTimeMillis();
         System.err.println("BU.populate(bean, map), count=" + counter + ", time=" + (stop - startMillis));
 
         // Map->Dyna
         for (long i = 0; i < counter; i++) {
             bu.populate(outDyna, inMap);
         }
         startMillis = System.currentTimeMillis();
         for (long i = 0; i < counter; i++) {
             bu.populate(outDyna, inMap);
         }
         stop = System.currentTimeMillis();
         System.err.println("BU.populate(dyna, map), count=" + counter + ", time=" + (stop - startMillis));
 
     }
 
     // Time populate() from a Map of Strings
     // NOTE - This simulates what Struts does when processing form beans
     @Test
     public void testPopulateStrs() throws Exception {
 
         long startMillis;
         long stop;
 
         // Strs->Bean
         for (long i = 0; i < counter; i++) {
             bu.populate(outBean, inStrs);
         }
         startMillis = System.currentTimeMillis();
         for (long i = 0; i < counter; i++) {
             bu.populate(outBean, inStrs);
         }
         stop = System.currentTimeMillis();
         System.err.println("BU.populate(bean,strs), count=" + counter + ", time=" + (stop - startMillis));
 
         // Strs->Dyna
         for (long i = 0; i < counter; i++) {
             bu.populate(outDyna, inStrs);
         }
         startMillis = System.currentTimeMillis();
         for (long i = 0; i < counter; i++) {
             bu.populate(outDyna, inStrs);
         }
         stop = System.currentTimeMillis();
         System.err.println("BU.populate(dyna,strs), count=" + counter + ", time=" + (stop - startMillis));
 
     }
 
 }