}

    @Test
    void testLoadBalancerAccess() {
        ChannelLoadBalancer balancer = channelManager.getLoadBalancer();
        assertNotNull(balancer);

        // Should return same instance
        assertSame(balancer, channelManager.getLoadBalancer());
    }

    @Test
    void testChannelFailureHandling() throws UnknownHostException {

        failedChannel = new ChannelInfo("failed-channel", mockTransport, localInterface, remoteInterface);
        failedChannel.setState(ChannelState.ESTABLISHED);

        when(mockChannelManager.getLoadBalancer()).thenReturn(mockLoadBalancer);
    }

    @Test
    void testHandleFailure() {
        IOException error = new IOException("Connection failed");

        failover.handleFailure(failedChannel, error);

        // In mock environment, this will be false until we mock successful negotiation

        // Verify load balancer is initialized
        assertNotNull(channelManager.getLoadBalancer());
    }

    @Test
    void testNetworkInterfaceInfo() throws Exception {
        // Test NetworkInterfaceInfo creation and scoring
        InetAddress address = InetAddress.getByName("192.168.1.100");

        // Redistribute to healthy channels
        for (CommonServerMessageBlock op : operationsCopy) {
            try {
                ChannelInfo alternativeChannel = manager.getLoadBalancer().selectChannel(op);
                alternativeChannel.addPendingOperation(op);
                // Operation would be resent on alternative channel
                // For now, skip actual send implementation

        return multiChannelEnabled;
    }

    /**
     * Get the load balancer
     *
     * @return load balancer instance
     */
    public ChannelLoadBalancer getLoadBalancer() {
        return loadBalancer;
    }

    /**
     * Get all channels
     *
     * @return collection of all channels
     */
    public Collection<ChannelInfo> getChannels() {

* Fix exists status for azure GetLoadBalancer ([#57991](https://github.com/kubernetes/kubernetes/pull/57991), [@karataliu](https://github.com/karataliu))



# v1.9.5