code: /**
   * Copyright (c) 2012 YCSB contributors. All rights reserved.
   *
   * 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. See accompanying
   * LICENSE file.
   */
  
  package com.yahoo.ycsb;
  
  import org.testng.annotations.Test;
  import static org.testng.AssertJUnit.*;
  
  public class TestByteIterator {
    @Test
    public void testRandomByteIterator() {
      int size = 100;
      ByteIterator itor = new RandomByteIterator(size);
      assertTrue(itor.hasNext());
      assertEquals(size, itor.bytesLeft());
      assertEquals(size, itor.toString().getBytes().length);
      assertFalse(itor.hasNext());
      assertEquals(0, itor.bytesLeft());
  
      itor = new RandomByteIterator(size);
      assertEquals(size, itor.toArray().length);
      assertFalse(itor.hasNext());
      assertEquals(0, itor.bytesLeft());
    }
  }
  