public void testJoin() throws Exception {
    joinHelper(0);
    joinHelper(1);
    joinHelper(0, 0, 0);
    joinHelper(10, 20);
    joinHelper(10, 0, 20);
    joinHelper(0, 10, 20);
    joinHelper(10, 20, 0);
    joinHelper(10, 20, 1);
    joinHelper(1, 1, 1, 1, 1, 1, 1, 1);
    joinHelper(1, 0, 1, 0, 1, 0, 1, 0);
  }

  public void testOnlyOneOpen() throws Exception {

  public void testJoin() throws Exception {
    joinHelper(0);
    joinHelper(1);
    joinHelper(0, 0, 0);
    joinHelper(10, 20);
    joinHelper(10, 0, 20);
    joinHelper(0, 10, 20);
    joinHelper(10, 20, 0);
    joinHelper(10, 20, 1);
    joinHelper(1, 1, 1, 1, 1, 1, 1, 1);
    joinHelper(1, 0, 1, 0, 1, 0, 1, 0);
  }

  public void testOnlyOneOpen() throws Exception {

    @Test
    @DisplayName("getSessionKey returns bytes, empty, then null")
    void getSessionKey_variants() throws CIFSException {
        byte[] key = new byte[] { 10, 20 };
        when(session.getSessionKey()).thenReturn(key, new byte[0], null);

        assertArrayEquals(key, session.getSessionKey());
        assertArrayEquals(new byte[0], session.getSessionKey());

        // readUTime multiplies the seconds value by 1000, and writeUTime divides milliseconds by 1000
        // So the round-trip should preserve the milliseconds value
        assertEquals(sampleTimeMillis + serverTimeZoneOffset, response.getLastWriteTime());
        assertEquals(1024, response.getSize());
    }

    /**

    this.isUserTypeFast = isUserTypeFast;
    this.random = checkNotNull(random);
    this.hitRate = hitRate;
    this.size = size;

    this.valuesInSet = createData();
    this.queries = createQueries(valuesInSet, 1024);
  }

  Set<Element> getValuesInSet() {
    return valuesInSet;
  }

  Element[] getQueries() {
    return queries;
  }

  private Element[] createQueries(Set<Element> elementsInSet, int numQueries) {

        assertTrue(channel.isHealthy());

        // Test metrics
        channel.incrementRequestsSent();
        channel.addBytesSent(1024);
        channel.updateActivity();

        assertEquals(1, channel.getRequestsSent());
        assertEquals(1024, channel.getBytesSent());
        assertTrue(channel.getLastActivityTime() > 0);
    }

    @Test
    void testChannelFailover() throws Exception {

        assertFalse(loopback.isUsableForChannel());
    }

    @Test
    void testGetScore() {
        NetworkInterfaceInfo basic = new NetworkInterfaceInfo(testAddress, 1000);
        assertEquals(1000, basic.getScore()); // Base score is link speed

        NetworkInterfaceInfo fast = new NetworkInterfaceInfo(testAddress, 10000);
        assertTrue(fast.getScore() > basic.getScore());
    }

    @Test

    /** The username for file authentication (required, maximum 100 characters). */
    @Required
    @Size(max = 100)
    public String username;

    /** The password for file authentication (maximum 100 characters). */
    @Size(max = 100)
    public String password;

    /** Additional parameters for file authentication (maximum 1000 characters). */
    @Size(max = 1000)
    public String parameters;

        fooAuth.setServer("foo");
        fooAuth.setPort(1000);
        smbAuthenticationHolder.add(fooAuth);

        assertEquals(hogeAuth, smbAuthenticationHolder.get("smb1://hoge/"));
        assertEquals(fugaAuth, smbAuthenticationHolder.get("smb1://fuga/"));
        assertEquals(fooAuth, smbAuthenticationHolder.get("smb1://foo:1000/"));
        assertEquals(hogeAuth, smbAuthenticationHolder.get("smb1://hoge/text.txt"));

    public void test_doneBeforeResolve() throws Exception {
        final Deferred<SuggestResponse> deferred = new Deferred<>();

        Thread th = new Thread(() -> {
            try {
                Thread.sleep(1000);
            } catch (InterruptedException ignore) {}
            deferred.resolve(new SuggestResponse("", 0, Collections.emptyList(), 0, null));
        });
        th.start();