### Question:
AEADs { public void setHandshakeAead(final AEAD handshakeAead) { this.handshakeAead.set(requireNonNull(handshakeAead)); } AEADs(final AEAD initialAead); boolean available(final EncryptionLevel level); AEAD get(final EncryptionLevel level); void unsetInitialAead(); void unsetHandshakeAead(); void setHandshakeAead(final AEAD handshakeAead); void setOneRttAead(final AEAD oneRttAead);  }### Answer:
@Test(expected = NullPointerException.class) public void setNullHandshake() { aeads.setHandshakeAead(null); }