code: public static void isEqual (final int nValue,
                                final int nExpectedValue,
                                @Nonnull final Supplier <? extends String> aName)
    {
      if (isEnabled ())
        if (nValue != nExpectedValue)
          throw new IllegalArgumentException ("The value of '" +
                                              aName.get () +
                                              "' does not match the expected value. Passed value: " +
                                              nValue +
                                              " -- Expected value: " +
                                              nExpectedValue);
    }
docs: Check that the passed value is the same as the provided expected value
  using <code>==</code> to check comparison.
  
  @param nValue
  The First value.
  @param nExpectedValue
  The expected value.
  @param aName
  The name of the value (e.g. the parameter name)
  @throws IllegalArgumentException
  if the passed value is not <code>null</code>.