package org.codehaus.plexus.util.cli;
   
   /*
    * Copyright The Codehaus Foundation.
    *
    * 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.
   */
  
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.fail;
  
  /**
   * <p>EnhancedStringTokenizerTest class.</p>
   *
   * @author herve
   * @version $Id: $Id
   * @since 3.4.0
   */
  public class EnhancedStringTokenizerTest {
      /**
       * <p>test1.</p>
       */
      @org.junit.jupiter.api.Test
      public void test1() {
          EnhancedStringTokenizer est = new EnhancedStringTokenizer("this is a test string");
          StringBuilder sb = new StringBuilder();
          while (est.hasMoreTokens()) {
              sb.append(est.nextToken());
              sb.append(" ");
          }
          assertEquals("this is a test string ", sb.toString());
      }
  
      /**
       * <p>test2.</p>
       */
      @Test
      public void test2() {
          EnhancedStringTokenizer est = new EnhancedStringTokenizer("1,,,3,,4", ",");
          assertEquals("1", est.nextToken(), "Token 1");
          assertEquals("", est.nextToken(), "Token 2");
          assertEquals("", est.nextToken(), "Token 3");
          assertEquals("3", est.nextToken(), "Token 4");
          assertEquals("", est.nextToken(), "Token 5");
          assertEquals("4", est.nextToken(), "Token 6");
      }
  
      /**
       * <p>test3.</p>
       */
      @org.junit.jupiter.api.Test
      public void test3() {
          EnhancedStringTokenizer est = new EnhancedStringTokenizer("1,,,3,,4", ",", true);
          assertEquals("1", est.nextToken(), "Token 1");
          assertEquals(",", est.nextToken(), "Token 2");
          assertEquals("", est.nextToken(), "Token 3");
          assertEquals(",", est.nextToken(), "Token 4");
          assertEquals("", est.nextToken(), "Token 5");
          assertEquals(",", est.nextToken(), "Token 6");
          assertEquals("3", est.nextToken(), "Token 7");
          assertEquals(",", est.nextToken(), "Token 8");
          assertEquals("", est.nextToken(), "Token 9");
          assertEquals(",", est.nextToken(), "Token 10");
          assertEquals("4", est.nextToken(), "Token 11");
      }
  
      /**
       * <p>testMultipleDelim.</p>
       */
      @org.junit.jupiter.api.Test
      public void testMultipleDelim() {
          EnhancedStringTokenizer est = new EnhancedStringTokenizer("1 2|3|4", " |", true);
          assertEquals("1", est.nextToken(), "Token 1");
          assertEquals(" ", est.nextToken(), "Token 2");
          assertEquals("2", est.nextToken(), "Token 3");
          assertEquals("|", est.nextToken(), "Token 4");
          assertEquals("3", est.nextToken(), "Token 5");
          assertEquals("|", est.nextToken(), "Token 6");
          assertEquals("4", est.nextToken(), "Token 7");
          assertFalse(est.hasMoreTokens(), "est.hasMoreTokens()");
      }
  
      /**
       * <p>testEmptyString.</p>
       */
      @org.junit.jupiter.api.Test
     public void testEmptyString() {
         EnhancedStringTokenizer est = new EnhancedStringTokenizer("");
         assertFalse(est.hasMoreTokens(), "est.hasMoreTokens()");
         try {
             est.nextToken();
             fail();
         } catch (Exception e) {
         }
     }
 
     /**
      * <p>testSimpleString.</p>
      */
     @org.junit.jupiter.api.Test
     public void testSimpleString() {
         EnhancedStringTokenizer est = new EnhancedStringTokenizer("a ");
         assertEquals("a", est.nextToken(), "Token 1");
         assertEquals("", est.nextToken(), "Token 2");
         assertFalse(est.hasMoreTokens(), "est.hasMoreTokens()");
     }
 }