@Test
  public void testBeanHashCode() {

    TestBean aBean = new TestBean("John", "Doe", "blue");
    TestBean thatBean = new TestBean("John", "Doe", "blue");

    assertEquals(thatBean, aBean);
    assertEquals(thatBean.hashCode(), aBean.hashCode());
  }
  private File createDelimitedFile(Set<TestBean> theBeans) {

    File aDelimitedFile = null;

    try {

      // Create a temporary file ...
      aDelimitedFile = createTempFile(this.getClass().getName(), ".csv");
      aDelimitedFile.deleteOnExit();

      // Write the set of beans out to the file ...
      BufferedWriter aWriter = new BufferedWriter(new FileWriter(aDelimitedFile));
      for (TestBean aBean : theBeans) {

        StringBuilder aStringBuilder = new StringBuilder();

        aStringBuilder.append(aBean.getFirstName());
        aStringBuilder.append(DEFAULT_DELIMITER);
        aStringBuilder.append(aBean.getLastName());
        aStringBuilder.append(DEFAULT_DELIMITER);
        aStringBuilder.append(aBean.getFavoriteColor());

        aWriter.append(aStringBuilder);
        aWriter.newLine();
      }

      // File all buffers and close up shop ...
      aWriter.flush();
      aWriter.close();

    } catch (IOException e) {

      fail("Failed to create test delimited file.", e);
    }

    return aDelimitedFile;
  }