## Configuration Properties

```properties
# Lease configuration
jcifs.smb.client.useLeases=true
jcifs.smb.client.leaseTimeout=30000

# Persistent handles
jcifs.smb.client.usePersistentHandles=true
jcifs.smb.client.durableTimeout=120000

# Multi-channel
jcifs.smb.client.useMultiChannel=true
jcifs.smb.client.maxChannels=4
jcifs.smb.client.channelBindingPolicy=required

        byte[] buffer = new byte[22];
        int idFileSystem = 0;
        int sectPerAlloc = 1000;
        int alloc = 1000000; // Large allocation count
        int free = 500000;
        int bytesPerSect = 4096;

        // Encode test data
        int offset = 0;
        SMBUtil.writeInt4(idFileSystem, buffer, offset);
        offset += 4;

        // Verify O(1) performance - should be reasonably fast (allowing for JVM overhead)
        assertTrue(avgAllocTimeNs < 10000, "Average allocation should be under 10000ns (O(1) performance)");
        assertTrue(avgReleaseTimeNs < 10000, "Average release should be under 10000ns (O(1) performance)");
        assertEquals(threadCount * operationsPerThread, allocations.get());

        assertEquals(5, aggressivePolicy.getMaxAttempts());
        assertEquals(500, aggressivePolicy.getInitialDelayMs());
        assertEquals(60000, aggressivePolicy.getMaxDelayMs());
        assertEquals(1.5, aggressivePolicy.getBackoffMultiplier());
        assertTrue(aggressivePolicy.isExponentialBackoff());

        // CONSERVATIVE policy

          double z = aa.updateAndGet(i, value -> value - y);
          assertBitEquals(x - y, z);
          assertBitEquals(x - y, aa.get(i));
        }
      }
    }
  }

  static final long COUNTDOWN = 100000;

  class Counter extends CheckedRunnable {
    final AtomicDoubleArray aa;
    volatile long counts;

    Counter(AtomicDoubleArray a) {
      aa = a;
    }

    @Override

    private static final int DEFAULT_MAX_POOL_SIZE = 100;
    private static final int DEFAULT_MAX_IDLE_TIME = 300000; // 5 minutes in ms
    private static final int DEFAULT_HEALTH_CHECK_INTERVAL = 60000; // 1 minute in ms
    private static final int DEFAULT_PROACTIVE_CHECK_INTERVAL = 30000; // 30 seconds in ms
    private int maxPoolSize = DEFAULT_MAX_POOL_SIZE;
    private int maxIdleTime = DEFAULT_MAX_IDLE_TIME;

            assertTrue(s1.isEmpty());
            // isBlank will fail if sub_authority is null, so we skip that check for s1

            // All-zero subauthorities
            byte[] ident = new byte[] { 0, 0, 0, 0, 0, 0 };
            rpc.sid_t st = buildSidT((byte) 1, ident, 0, 0);
            SID s2 = new SID(st, jcifs.SID.SID_TYPE_USE_NONE, null, null, false);
            assertFalse(s2.isEmpty());

  @Test
  fun hostIpv6WithIpv4SuffixWithHexadecimalPrefix() {
    // Chrome interprets a leading '0x' as hexadecimal; Firefox rejects them. (We reject them.)
    assertInvalid(
      "http://[0:0:0:0:0:1:0.0x10.0.0x10]/",
      "Invalid URL host: \"[0:0:0:0:0:1:0.0x10.0.0x10]\"",
    )
  }

  @Test
  fun hostIpv6WithMalformedIpv4Suffix() {
    assertInvalid(
      "http://[0:0:0:0:0:1:0.0:0.0]/",

    private final ReadWriteLock lock;
    private final CIFSContext context;
    private final ScheduledExecutorService cleanupExecutor;
    private static final long DEFAULT_LEASE_CLEANUP_INTERVAL = 60000; // 60 seconds
    private static final int DEFAULT_LEASE_BREAK_TIMEOUT = 60; // 60 seconds per MS-SMB2

    /**
     * Create a new lease manager
     *
     * @param context CIFS context
     */

    assertThat(min(-0.0, 0.0)).isEqualTo(-0.0);
    assertThat(min(0.0, -0.0)).isEqualTo(-0.0);
    assertThat(min(NUMBERS)).isEqualTo(LEAST);
    assertThat(Double.isNaN(min(VALUES))).isTrue();
  }

  public void testConstrainToRange() {
    assertThat(Doubles.constrainToRange(1.0, 0.0, 5.0)).isEqualTo(1.0);
    assertThat(Doubles.constrainToRange(1.0, 1.0, 5.0)).isEqualTo(1.0);