_ Git - ldk-java/blob - src/test/java/org/ldk/HumanObjectPeerTest.java

   1 package org.ldk;
   2
   3 import org.bitcoinj.core.*;
   4 import org.bitcoinj.core.Transaction;
   5 import org.bitcoinj.script.Script;
   6 import org.junit.jupiter.api.Test;
   7 import org.ldk.enums.LDKNetwork;
   8 import org.ldk.impl.bindings;
   9 import org.ldk.structs.*;
  10 import org.ldk.util.TwoTuple;
  11
  12 import java.lang.ref.WeakReference;
  13 import java.util.Arrays;
  14 import java.util.HashMap;
  15 import java.util.LinkedList;
  16 import java.util.concurrent.ConcurrentLinkedQueue;
  17
  18 class HumanObjectPeerTestInstance {
  19     class Peer {
  20         KeysInterface manual_keysif(KeysInterface underlying_if) {
  21             return KeysInterface.new_impl(new KeysInterface.KeysInterfaceInterface() {
  22                 @Override
  23                 public byte[] get_node_secret() {
  24                     return underlying_if.get_node_secret();
  25                 }
  26
  27                 @Override
  28                 public byte[] get_destination_script() {
  29                     return underlying_if.get_destination_script();
  30                 }
  31
  32                 @Override
  33                 public byte[] get_shutdown_pubkey() {
  34                     return underlying_if.get_shutdown_pubkey();
  35                 }
  36
  37                 @Override
  38                 public ChannelKeys get_channel_keys(boolean inbound, long channel_value_satoshis) {
  39                     ChannelKeys underlying_ck = underlying_if.get_channel_keys(inbound, channel_value_satoshis);
  40                     ChannelKeys.ChannelKeysInterface cki = new ChannelKeys.ChannelKeysInterface() {
  41                         @Override
  42                         public byte[] get_per_commitment_point(long idx) {
  43                             return underlying_ck.get_per_commitment_point(idx);
  44                         }
  45
  46                         @Override
  47                         public byte[] release_commitment_secret(long idx) {
  48                             return underlying_ck.release_commitment_secret(idx);
  49                         }
  50
  51                         @Override
  52                         public TwoTuple<Long, Long> key_derivation_params() {
  53                             return new TwoTuple<Long, Long>((long)0, (long)1);
  54                         }
  55
  56                         @Override
  57                         public Result_C2Tuple_SignatureCVec_SignatureZZNoneZ sign_counterparty_commitment(int feerate_per_kw, byte[] commitment_tx, PreCalculatedTxCreationKeys keys, HTLCOutputInCommitment[] htlcs) {
  58                             return underlying_ck.sign_counterparty_commitment(feerate_per_kw, commitment_tx, keys, htlcs);
  59                         }
  60
  61                         @Override
  62                         public Result_SignatureNoneZ sign_holder_commitment(HolderCommitmentTransaction holder_commitment_tx) {
  63                             return underlying_ck.sign_holder_commitment(holder_commitment_tx);
  64                         }
  65
  66                         @Override
  67                         public Result_CVec_SignatureZNoneZ sign_holder_commitment_htlc_transactions(HolderCommitmentTransaction holder_commitment_tx) {
  68                             return underlying_ck.sign_holder_commitment_htlc_transactions(holder_commitment_tx);
  69                         }
  70
  71                         @Override
  72                         public Result_SignatureNoneZ sign_justice_transaction(byte[] justice_tx, long input, long amount, byte[] per_commitment_key, HTLCOutputInCommitment htlc) {
  73                             return underlying_ck.sign_justice_transaction(justice_tx, input, amount, per_commitment_key, htlc);
  74                         }
  75
  76                         @Override
  77                         public Result_SignatureNoneZ sign_counterparty_htlc_transaction(byte[] htlc_tx, long input, long amount, byte[] per_commitment_point, HTLCOutputInCommitment htlc) {
  78                             return underlying_ck.sign_counterparty_htlc_transaction(htlc_tx, input, amount, per_commitment_point, htlc);
  79                         }
  80
  81                         @Override
  82                         public Result_SignatureNoneZ sign_closing_transaction(byte[] closing_tx) {
  83                             return underlying_ck.sign_closing_transaction(closing_tx);
  84                         }
  85
  86                         @Override
  87                         public Result_SignatureNoneZ sign_channel_announcement(UnsignedChannelAnnouncement msg) {
  88                             return underlying_ck.sign_channel_announcement(msg);
  89                         }
  90
  91                         @Override
  92                         public void on_accept(ChannelPublicKeys channel_points, short counterparty_selected_contest_delay, short holder_selected_contest_delay) {
  93                             underlying_ck.on_accept(channel_points, counterparty_selected_contest_delay, holder_selected_contest_delay);
  94                         }
  95                     };
  96                     ChannelKeys resp = ChannelKeys.new_impl(cki, underlying_ck.get_pubkeys());
  97                     must_free_objs.add(new WeakReference<>(cki));
  98                     must_free_objs.add(new WeakReference<>(resp));
  99                     must_free_objs.add(new WeakReference<>(underlying_ck));
 100                     return resp;
 101                 }
 102
 103                 @Override
 104                 public byte[] get_secure_random_bytes() {
 105                     return underlying_if.get_secure_random_bytes();
 106                 }
 107             });
 108         }
 109
 110         Watch get_manual_watch() {
 111             return Watch.new_impl(new Watch.WatchInterface() {
 112                 public Result_NoneChannelMonitorUpdateErrZ watch_channel(OutPoint funding_txo, ChannelMonitor monitor) {
 113                     synchronized (monitors) {
 114                         assert monitors.put(Arrays.toString(funding_txo.get_txid()), monitor) == null;
 115                     }
 116                     return new Result_NoneChannelMonitorUpdateErrZ.Result_NoneChannelMonitorUpdateErrZ_OK();
 117                 }
 118
 119                 public Result_NoneChannelMonitorUpdateErrZ update_channel(OutPoint funding_txo, ChannelMonitorUpdate update) {
 120                     synchronized (monitors) {
 121                         String txid = Arrays.toString(funding_txo.get_txid());
 122                         assert monitors.containsKey(txid);
 123                         Result_NoneMonitorUpdateErrorZ update_res = monitors.get(txid).update_monitor(update, tx_broadcaster, logger);
 124                         assert update_res instanceof Result_NoneMonitorUpdateErrorZ.Result_NoneMonitorUpdateErrorZ_OK;
 125                     }
 126                     return new Result_NoneChannelMonitorUpdateErrZ.Result_NoneChannelMonitorUpdateErrZ_OK();
 127                 }
 128
 129                 @Override
 130                 public MonitorEvent[] release_pending_monitor_events() {
 131                     synchronized (monitors) {
 132                         assert monitors.size() <= 1;
 133                         for (ChannelMonitor mon : monitors.values()) {
 134                             return mon.get_and_clear_pending_monitor_events();
 135                         }
 136                     }
 137                     return new MonitorEvent[0];
 138                 }
 139             });
 140         }
 141
 142         final Logger logger;
 143         final FeeEstimator fee_estimator;
 144         final BroadcasterInterface tx_broadcaster;
 145         final KeysInterface keys_interface;
 146         final ChainMonitor chain_monitor;
 147         final ChannelManager chan_manager;
 148         final EventsProvider chan_manager_events;
 149         final NetGraphMsgHandler router;
 150         final PeerManager peer_manager;
 151         final HashMap<String, ChannelMonitor> monitors; // Wow I forgot just how terrible Java is - we can't put a byte array here.
 152         byte[] node_id;
 153         final LinkedList<byte[]> broadcast_set = new LinkedList<>();
 154
 155         Peer(byte seed, boolean use_km_wrapper, boolean use_manual_watch) {
 156             logger = Logger.new_impl((String arg) -> System.out.println(seed + ": " + arg));
 157             fee_estimator = FeeEstimator.new_impl((confirmation_target -> 253));
 158             tx_broadcaster = BroadcasterInterface.new_impl(tx -> {
 159                 broadcast_set.add(tx);
 160             });
 161             this.monitors = new HashMap<>();
 162             Watch chain_watch;
 163             if (use_manual_watch) {
 164                 chain_watch = get_manual_watch();
 165                 chain_monitor = null;
 166             } else {
 167                 chain_monitor = ChainMonitor.constructor_new(null, tx_broadcaster, logger, fee_estimator);
 168                 chain_watch = chain_monitor.as_Watch();
 169             }
 170
 171             byte[] key_seed = new byte[32];
 172             for (byte i = 0; i < 32; i++) {
 173                 key_seed[i] = (byte) (i ^ seed);
 174             }
 175             if (use_km_wrapper) {
 176                 KeysManager underlying = KeysManager.constructor_new(key_seed, LDKNetwork.LDKNetwork_Bitcoin, System.currentTimeMillis() / 1000, (int) (System.currentTimeMillis() * 1000) & 0xffffffff);
 177                 this.keys_interface = manual_keysif(underlying.as_KeysInterface());
 178             } else {
 179                 KeysManager keys = KeysManager.constructor_new(key_seed, LDKNetwork.LDKNetwork_Bitcoin, System.currentTimeMillis() / 1000, (int) (System.currentTimeMillis() * 1000) & 0xffffffff);
 180                 this.keys_interface = keys.as_KeysInterface();
 181             }
 182             this.chan_manager = ChannelManager.constructor_new(LDKNetwork.LDKNetwork_Bitcoin, FeeEstimator.new_impl(confirmation_target -> 0), chain_watch, tx_broadcaster, logger, this.keys_interface, UserConfig.constructor_default(), 1);
 183             this.node_id = chan_manager.get_our_node_id();
 184             this.chan_manager_events = chan_manager.as_EventsProvider();
 185             this.router = NetGraphMsgHandler.constructor_new(null, logger);
 186
 187             byte[] random_data = new byte[32];
 188             for (byte i = 0; i < 32; i++) {
 189                 random_data[i] = (byte) ((i ^ seed) ^ 0xf0);
 190             }
 191             this.peer_manager = PeerManager.constructor_new(chan_manager.as_ChannelMessageHandler(), router.as_RoutingMessageHandler(), keys_interface.get_node_secret(), random_data, logger);
 192             System.gc();
 193         }
 194
 195         TwoTuple<byte[], TxOut[]>[] connect_block(Block b, int height, long expected_monitor_update_len) {
 196             byte[] header = Arrays.copyOfRange(b.bitcoinSerialize(), 0, 80);
 197             TwoTuple<Long, byte[]>[] txn;
 198             if (b.hasTransactions()) {
 199                 assert b.getTransactions().size() == 1;
 200                 TwoTuple<Long, byte[]> txp = new TwoTuple<>((long) 1, b.getTransactions().get(0).bitcoinSerialize());
 201                 txn = new TwoTuple[]{txp};
 202             } else
 203                 txn = new TwoTuple[0];
 204             chan_manager.block_connected(header, txn, height);
 205             if (chain_monitor != null) {
 206                 chain_monitor.block_connected(header, txn, height);
 207             } else {
 208                 synchronized (monitors) {
 209                     assert monitors.size() == 1;
 210                     for (ChannelMonitor mon : monitors.values()) {
 211                         TwoTuple<byte[], TxOut[]>[] ret = mon.block_connected(header, txn, height, tx_broadcaster, fee_estimator, logger);
 212                         assert ret.length == expected_monitor_update_len;
 213                         return ret;
 214                     }
 215                 }
 216             }
 217             return null;
 218         }
 219
 220         Route get_route(byte[] dest_node, ChannelDetails[] our_chans) {
 221             try (LockedNetworkGraph netgraph = this.router.read_locked_graph()) {
 222                 NetworkGraph graph = netgraph.graph();
 223                 long res = bindings.get_route(this.node_id, graph._test_only_get_ptr(), dest_node, new long[]{our_chans[0]._test_only_get_ptr()},
 224                         new long[0], 1000, 42, this.logger._test_only_get_ptr());
 225                 assert bindings.LDKCResult_RouteLightningErrorZ_result_ok(res);
 226                 byte[] serialized_route = bindings.Route_write(bindings.LDKCResult_RouteLightningErrorZ_get_ok(res));
 227                 must_free_objs.add(new WeakReference<>(serialized_route));
 228                 Route copy = Route.constructor_read(serialized_route);
 229                 bindings.CResult_RouteLightningErrorZ_free(res);
 230                 return copy;
 231             }
 232         }
 233     }
 234
 235     class DescriptorHolder { SocketDescriptor val; }
 236
 237     void do_read_event(ConcurrentLinkedQueue<Thread> list, PeerManager pm, SocketDescriptor descriptor, byte[] data) {
 238         Thread thread = new Thread(() -> {
 239             Result_boolPeerHandleErrorZ res = pm.read_event(descriptor, data);
 240             assert res instanceof Result_boolPeerHandleErrorZ.Result_boolPeerHandleErrorZ_OK;
 241             //assert ((Result_boolPeerHandleErrorZ.Result_boolPeerHandleErrorZ_OK) res).res;
 242         });
 243         thread.start();
 244         list.add(thread);
 245         must_free_objs.add(new WeakReference<>(data));
 246     }
 247
 248     void do_test_message_handler(boolean nice_close, boolean use_km_wrapper, boolean use_manual_watch) throws InterruptedException {
 249         GcCheck obj = new GcCheck();
 250         Peer peer1 = new Peer((byte) 1, use_km_wrapper, use_manual_watch);
 251         Peer peer2 = new Peer((byte) 2, use_km_wrapper, use_manual_watch);
 252
 253         ConcurrentLinkedQueue<Thread> list = new ConcurrentLinkedQueue<Thread>();
 254         DescriptorHolder descriptor1 = new DescriptorHolder();
 255         DescriptorHolder descriptor1ref = descriptor1;
 256         SocketDescriptor descriptor2 = SocketDescriptor.new_impl(new SocketDescriptor.SocketDescriptorInterface() {
 257             @Override
 258             public long send_data(byte[] data, boolean resume_read) {
 259                 do_read_event(list, peer1.peer_manager, descriptor1ref.val, data);
 260                 return data.length;
 261             }
 262
 263             @Override public void disconnect_socket() { assert false; }
 264             @Override public boolean eq(SocketDescriptor other_arg) { return other_arg.hash() == 2; }
 265             @Override public long hash() { return 2; }
 266         });
 267
 268         descriptor1.val = SocketDescriptor.new_impl(new SocketDescriptor.SocketDescriptorInterface() {
 269             @Override
 270             public long send_data(byte[] data, boolean resume_read) {
 271                 do_read_event(list, peer2.peer_manager, descriptor2, data);
 272                 return data.length;
 273             }
 274
 275             @Override public void disconnect_socket() { assert false; }
 276             @Override public boolean eq(SocketDescriptor other_arg) { return other_arg.hash() == 1; }
 277             @Override public long hash() { return 1; }
 278         });
 279
 280         Result_CVec_u8ZPeerHandleErrorZ conn_res = peer1.peer_manager.new_outbound_connection(peer2.node_id, descriptor1.val);
 281         assert conn_res instanceof Result_CVec_u8ZPeerHandleErrorZ.Result_CVec_u8ZPeerHandleErrorZ_OK;
 282
 283         Result_NonePeerHandleErrorZ inbound_conn_res = peer2.peer_manager.new_inbound_connection(descriptor2);
 284         assert inbound_conn_res instanceof Result_NonePeerHandleErrorZ.Result_NonePeerHandleErrorZ_OK;
 285         do_read_event(list, peer2.peer_manager, descriptor2, ((Result_CVec_u8ZPeerHandleErrorZ.Result_CVec_u8ZPeerHandleErrorZ_OK) conn_res).res);
 286
 287         while (!list.isEmpty()) { list.poll().join(); }
 288
 289         Result_NoneAPIErrorZ cc_res = peer1.chan_manager.create_channel(peer2.node_id, 10000, 1000, 42, null);
 290         assert cc_res instanceof Result_NoneAPIErrorZ.Result_NoneAPIErrorZ_OK;
 291
 292         peer1.peer_manager.process_events();
 293         while (!list.isEmpty()) { list.poll().join(); }
 294         peer2.peer_manager.process_events();
 295         while (!list.isEmpty()) { list.poll().join(); }
 296
 297         Event[] events = peer1.chan_manager_events.get_and_clear_pending_events();
 298         assert events.length == 1;
 299         assert events[0] instanceof Event.FundingGenerationReady;
 300         assert ((Event.FundingGenerationReady) events[0]).channel_value_satoshis == 10000;
 301         assert ((Event.FundingGenerationReady) events[0]).user_channel_id == 42;
 302         byte[] funding_spk = ((Event.FundingGenerationReady) events[0]).output_script;
 303         assert funding_spk.length == 34 && funding_spk[0] == 0 && funding_spk[1] == 32; // P2WSH
 304         byte[] chan_id = ((Event.FundingGenerationReady) events[0]).temporary_channel_id;
 305
 306         NetworkParameters bitcoinj_net = NetworkParameters.fromID(NetworkParameters.ID_MAINNET);
 307
 308         Transaction funding = new Transaction(bitcoinj_net);
 309         funding.addInput(new TransactionInput(bitcoinj_net, funding, new byte[0]));
 310         funding.getInputs().get(0).setWitness(new TransactionWitness(2)); // Make sure we don't complain about lack of witness
 311         funding.getInput(0).getWitness().setPush(0, new byte[]{0x1});
 312         funding.addOutput(Coin.SATOSHI.multiply(10000), new Script(funding_spk));
 313         peer1.chan_manager.funding_transaction_generated(chan_id, OutPoint.constructor_new(funding.getTxId().getReversedBytes(), (short) 0));
 314
 315         peer1.peer_manager.process_events();
 316         while (!list.isEmpty()) { list.poll().join(); }
 317         peer2.peer_manager.process_events();
 318         while (!list.isEmpty()) { list.poll().join(); }
 319
 320         events = peer1.chan_manager_events.get_and_clear_pending_events();
 321         assert events.length == 1;
 322         assert events[0] instanceof Event.FundingBroadcastSafe;
 323         assert ((Event.FundingBroadcastSafe) events[0]).user_channel_id == 42;
 324
 325         Block b = new Block(bitcoinj_net, 2, Sha256Hash.ZERO_HASH, Sha256Hash.ZERO_HASH, 42, 0, 0, Arrays.asList(new Transaction[]{funding}));
 326         peer1.connect_block(b, 1, 0);
 327         peer2.connect_block(b, 1, 0);
 328
 329         for (int height = 2; height < 10; height++) {
 330             b = new Block(bitcoinj_net, 2, b.getHash(), Sha256Hash.ZERO_HASH, 42, 0, 0, Arrays.asList(new Transaction[0]));
 331             peer1.connect_block(b, height, 0);
 332             peer2.connect_block(b, height, 0);
 333         }
 334
 335         peer1.peer_manager.process_events();
 336         peer2.peer_manager.process_events();
 337         while (!list.isEmpty()) { list.poll().join(); }
 338
 339         peer1.chan_manager.list_channels();
 340         ChannelDetails[] peer1_chans = peer1.chan_manager.list_channels();
 341         ChannelDetails[] peer2_chans = peer2.chan_manager.list_channels();
 342         assert peer1_chans.length == 1;
 343         assert peer2_chans.length == 1;
 344         assert peer1_chans[0].get_channel_value_satoshis() == 10000;
 345         assert peer1_chans[0].get_is_live();
 346         assert Arrays.equals(peer1_chans[0].get_channel_id(), funding.getTxId().getReversedBytes());
 347         assert Arrays.equals(peer2_chans[0].get_channel_id(), funding.getTxId().getReversedBytes());
 348
 349         byte[] payment_preimage = new byte[32];
 350         for (int i = 0; i < 32; i++) payment_preimage[i] = (byte) (i ^ 0x0f);
 351         byte[] payment_hash = Sha256Hash.hash(payment_preimage);
 352         Route route = peer1.get_route(peer2.node_id, peer1_chans);
 353         Result_NonePaymentSendFailureZ payment_res = peer1.chan_manager.send_payment(route, payment_hash, new byte[32]);
 354         assert payment_res instanceof Result_NonePaymentSendFailureZ.Result_NonePaymentSendFailureZ_OK;
 355
 356         peer1.peer_manager.process_events();
 357         while (!list.isEmpty()) { list.poll().join(); }
 358         peer2.peer_manager.process_events();
 359         while (!list.isEmpty()) { list.poll().join(); }
 360         peer1.peer_manager.process_events();
 361         while (!list.isEmpty()) { list.poll().join(); }
 362
 363         events = peer2.chan_manager_events.get_and_clear_pending_events();
 364         assert events.length == 1;
 365         assert events[0] instanceof Event.PendingHTLCsForwardable;
 366         peer2.chan_manager.process_pending_htlc_forwards();
 367
 368         events = peer2.chan_manager_events.get_and_clear_pending_events();
 369         assert events.length == 1;
 370         assert events[0] instanceof Event.PaymentReceived;
 371         peer2.chan_manager.claim_funds(payment_preimage, new byte[32], ((Event.PaymentReceived) events[0]).amt);
 372
 373         peer2.peer_manager.process_events();
 374         while (!list.isEmpty()) { list.poll().join(); }
 375         peer1.peer_manager.process_events();
 376         while (!list.isEmpty()) { list.poll().join(); }
 377         peer2.peer_manager.process_events();
 378         while (!list.isEmpty()) { list.poll().join(); }
 379
 380         events = peer1.chan_manager_events.get_and_clear_pending_events();
 381         assert events.length == 1;
 382         assert events[0] instanceof Event.PaymentSent;
 383         assert Arrays.equals(((Event.PaymentSent) events[0]).payment_preimage, payment_preimage);
 384
 385         if (nice_close) {
 386             Result_NoneAPIErrorZ close_res = peer1.chan_manager.close_channel(peer1_chans[0].get_channel_id());
 387             assert close_res instanceof Result_NoneAPIErrorZ.Result_NoneAPIErrorZ_OK;
 388
 389             peer1.peer_manager.process_events();
 390             while (!list.isEmpty()) { list.poll().join(); }
 391             peer2.peer_manager.process_events();
 392             while (!list.isEmpty()) { list.poll().join(); }
 393             peer1.peer_manager.process_events();
 394             while (!list.isEmpty()) { list.poll().join(); }
 395             peer2.peer_manager.process_events();
 396             while (!list.isEmpty()) { list.poll().join(); }
 397
 398             assert peer1.broadcast_set.size() == 1;
 399             assert peer2.broadcast_set.size() == 1;
 400         } else {
 401             peer1.chan_manager.force_close_all_channels();
 402
 403             peer1.peer_manager.process_events();
 404             while (!list.isEmpty()) { list.poll().join(); }
 405             peer2.peer_manager.process_events();
 406             while (!list.isEmpty()) { list.poll().join(); }
 407             peer1.peer_manager.process_events();
 408             while (!list.isEmpty()) { list.poll().join(); }
 409             peer2.peer_manager.process_events();
 410             while (!list.isEmpty()) { list.poll().join(); }
 411
 412             assert peer1.broadcast_set.size() == 1;
 413             assert peer2.broadcast_set.size() == 0;
 414
 415             Transaction tx = new Transaction(bitcoinj_net, peer1.broadcast_set.getFirst());
 416             b = new Block(bitcoinj_net, 2, b.getHash(), Sha256Hash.ZERO_HASH, 42, 0, 0,
 417                     Arrays.asList(new Transaction[]{tx}));
 418             TwoTuple<byte[], TxOut[]>[] watch_outputs =  peer2.connect_block(b, 1, 1);
 419             if (watch_outputs != null) { // We only process watch_outputs manually when we use a manually-build Watch impl
 420                 assert watch_outputs.length == 1;
 421                 assert Arrays.equals(watch_outputs[0].a, tx.getTxId().getReversedBytes());
 422                 assert watch_outputs[0].b.length == 1;
 423             }
 424         }
 425     }
 426
 427     java.util.LinkedList<WeakReference<Object>> must_free_objs = new java.util.LinkedList();
 428     boolean gc_ran = false;
 429     class GcCheck {
 430         @Override
 431         protected void finalize() throws Throwable {
 432             gc_ran = true;
 433             super.finalize();
 434         }
 435     }
 436 }
 437 public class HumanObjectPeerTest {
 438     void do_test(boolean nice_close, boolean use_km_wrapper, boolean use_manual_watch) throws InterruptedException {
 439         HumanObjectPeerTestInstance instance = new HumanObjectPeerTestInstance();
 440         instance.do_test_message_handler(nice_close, use_km_wrapper, use_manual_watch);
 441         while (!instance.gc_ran) {
 442             System.gc();
 443             System.runFinalization();
 444         }
 445         for (WeakReference<Object> o : instance.must_free_objs)
 446             assert o.get() == null;
 447     }
 448     @Test
 449     public void test_message_handler_force_close() throws InterruptedException {
 450         do_test(false, false, false);
 451     }
 452     @Test
 453     public void test_message_handler_nice_close() throws InterruptedException {
 454         do_test(true, false, false);
 455     }
 456     @Test
 457     public void test_message_handler_nice_close_wrapper() throws InterruptedException {
 458         do_test(true, true, true);
 459     }
 460     @Test
 461     public void test_message_handler_force_close_wrapper() throws InterruptedException {
 462         do_test(false, true, true);
 463     }
 464 }