@Test
 public void testDeclaringClassToNull()
     throws NoSuchFieldException, SecurityException, IllegalArgumentException,
         IllegalAccessException {
   java.lang.Throwable some = new java.lang.Throwable("contains null");
   java.lang.StackTraceElement ste = new java.lang.StackTraceElement("class", "method", null, 1);
   Field field = java.lang.StackTraceElement.class.getDeclaredField("declaringClass");
   field.setAccessible(true);
   field.set(ste, null);
   some.setStackTrace(new java.lang.StackTraceElement[] {ste});
   Throwable sut = Reports.newThrowable(some);
   Assert.assertEquals("MISSING", sut.getStackTrace().get(0).getClassName());
 }
  @Test
  public void testCreateAnonymizedSendCopyAnonymizes() {
    ModelFactory mf = ModelFactory.eINSTANCE;

    ErrorReport report = mf.createErrorReport();
    report.setStatus(mf.createStatus());
    java.lang.Throwable throwable = new RuntimeException("test exception");
    throwable.fillInStackTrace();
    Throwable t = Reports.newThrowable(throwable);
    report.getStatus().setException(t);

    settings.setAnonymizeMessages(true);
    settings.setAnonymizeStrackTraceElements(true);
    configuration.setAcceptedPackages(new ArrayList<String>());
    ErrorReport copy = Reports.createAnonymizedSendCopy(report, settings, configuration);
    assertThat(copy.getStatus().getMessage(), is(Constants.HIDDEN));
    StackTraceElement stackTraceElement = copy.getStatus().getException().getStackTrace().get(0);
    assertThat(stackTraceElement.getClassName(), is(Constants.HIDDEN));
    assertThat(stackTraceElement.getMethodName(), is(Constants.HIDDEN));
    assertThat(stackTraceElement.getFileName(), is(Constants.HIDDEN));
    assertThat(stackTraceElement.getLineNumber(), is(-1));
  }