NATBehavior implements Attribute { @Override public int getLength() { return LENGTH; } NATBehavior();  NATBehavior(final NATFeatureRealization mapping, final NATFeatureRealization filtering); NATFeatureRealization getFeatureRealization(final NATFeature natFeature); Set<NATFeature> getNATFeatures(); @Override int hashCode(); @Override boolean equals(final Object obj); @Override String toString(); static NATBehavior fromBytes(final byte[] encoded, final AttributeHeader header); @Override AttributeType getType(); @Override int getLength(); @Override void writeTo(final OutputStream out);  }
@Test public void testGetLength() { assertEquals("Length must be 4.", this.behavior.getLength(), 4); }