### Question:
Controller implements IFloodlightProviderService,
            IStorageSourceListener, IInfoProvider { void switchDisconnected(IOFSwitch sw) { this.switchManager.switchDisconnected(sw); }  @Override Set<String> getUplinkPortPrefixSet(); void setUplinkPortPrefixSet(Set<String> prefixSet); void setDebugEvent(IDebugEventService debugEvent); @Override Role getRole(); @Override RoleInfo getRoleInfo(); @Override void setRole(Role role, String roleChangeDescription); @Override Map<Long,IOFSwitch> getAllSwitchMap(); @Override Set<Long> getAllSwitchDpids(); @Override IOFSwitch getSwitch(long dpid); @Override void addOFSwitchListener(IOFSwitchListener listener); @Override void removeOFSwitchListener(IOFSwitchListener listener); @Override synchronized void addOFMessageListener(OFType type,
                                                  IOFMessageListener listener); @Override synchronized void removeOFMessageListener(OFType type,
                                                     IOFMessageListener listener); void removeOFMessageListeners(OFType type); @Override Map<OFType, List<IOFMessageListener>> getListeners(); @Override @LogMessageDocs({ @LogMessageDoc(level="ERROR", message="Error reinjecting OFMessage on switch {switch}", explanation="An I/O error occured while attempting to " + "process an OpenFlow message", recommendation=LogMessageDoc.CHECK_SWITCH) }) boolean injectOfMessage(IOFSwitch sw, OFMessage msg,
                                   FloodlightContext bc); @Override @LogMessageDoc(message="Calling System.exit", explanation="The controller is terminating") synchronized void terminate(); @Override boolean injectOfMessage(IOFSwitch sw, OFMessage msg); @Override void handleOutgoingMessage(IOFSwitch sw, OFMessage m,
                                      FloodlightContext bc); @Override BasicFactory getOFMessageFactory(); @Override @LogMessageDocs({ @LogMessageDoc(message="Listening for switch connections on {address}", explanation="The controller is ready and listening for new" + " switch connections"), @LogMessageDoc(message="Storage exception in controller " + "updates loop; terminating process", explanation=ERROR_DATABASE, recommendation=LogMessageDoc.CHECK_CONTROLLER), @LogMessageDoc(level="ERROR", message="Exception in controller updates loop", explanation="Failed to dispatch controller event", recommendation=LogMessageDoc.GENERIC_ACTION) }) void run(); void init(Map<String, String> configParams); @LogMessageDoc(message="Waiting for storage source", explanation="The system database is not yet ready", recommendation="If this message persists, this indicates " + "that the system database has failed to start. " + LogMessageDoc.CHECK_CONTROLLER) void startupComponents(); @Override void addInfoProvider(String type, IInfoProvider provider); @Override void removeInfoProvider(String type, IInfoProvider provider); @Override Map<String, Object> getControllerInfo(String type); @Override void addHAListener(IHAListener listener); @Override void removeHAListener(IHAListener listener); @Override void addReadyForReconcileListener(IReadyForReconcileListener l); @Override Map<String, String> getControllerNodeIPs(); @LogMessageDoc(level="WARN", message=FLOW_PRIORITY_CHANGED_AFTER_STARTUP, explanation="A user has changed the priority with which access " + "and core flows are installed after controller startup. " + "Changing this setting will only take affect after a " + "controller restart", recommendation="Restart controller") @Override void rowsModified(String tableName, Set<Object> rowKeys); @Override void rowsDeleted(String tableName, Set<Object> rowKeys); @Override long getSystemStartTime(); @Override void setAlwaysClearFlowsOnSwActivate(boolean value); @Override Map<String, Long> getMemory(); @Override Long getUptime(); @Override void addOFSwitchDriver(String manufacturerDescriptionPrefix,
                                  IOFSwitchDriver driver); @Override void addSwitchEvent(long switchDPID, String reason, boolean flushNow); @Override Map<String, Object> getInfo(String type); static final int BATCH_MAX_SIZE; }### Answer:
@Test public void testSwitchDisconnected() throws Exception { doTestSwitchConnectReconnect(false); }