@GwtIncompatible // NullPointerTester
  public void testNullPointerExceptions() {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicInstanceMethods(new FakeTicker());
  }

  @GwtIncompatible // java.time.Duration
  public void testAdvance() {
    FakeTicker ticker = new FakeTicker();
    assertEquals(0, ticker.read());
    assertThat(ticker.advance(10)).isSameInstanceAs(ticker);

    }

    @Test
    public void test_load_virtualHosts() {
        List<RelatedQuery> testData = new ArrayList<>();
        testData.add(createRelatedQuery("term1", new String[] { "query1" }, "host1"));
        testData.add(createRelatedQuery("term1", new String[] { "query2" }, "host2"));
        testData.add(createRelatedQuery("term2", new String[] { "query3" }, ""));
        mockBhv.setTestData(testData);

        assertEquals(0, msg.writeBytesWireFormat(null, index));
    }

    @ParameterizedTest
    @ValueSource(ints = { 0, -1, 7 })
    @DisplayName("readParameterWordsWireFormat always returns 0")
    void readParameterWordsWireFormatReturnsZero(int index) {
        SmbComLogoffAndX msg = new SmbComLogoffAndX(null);
        assertEquals(0, msg.readParameterWordsWireFormat(new byte[5], index));

            context = new PreauthIntegrityNegotiateContext(mockConfig, new int[3], new byte[32]);
            assertEquals(4 + 6 + 32, context.size()); // header + 3*2 + 32

            context = new PreauthIntegrityNegotiateContext(mockConfig, null, new byte[16]);
            assertEquals(4 + 16, context.size());

            context = new PreauthIntegrityNegotiateContext(mockConfig, new int[5], null);

        void testConcurrentReceived() throws InterruptedException {
            int threadCount = 10;
            CountDownLatch startLatch = new CountDownLatch(1);
            CountDownLatch endLatch = new CountDownLatch(threadCount);

            for (int i = 0; i < threadCount; i++) {
                new Thread(() -> {
                    try {
                        startLatch.await();
                        response.received();

        try {
            return new Settings(delegate.read(reader, strict, null));
        } catch (XMLStreamException e) {
            throw new XmlPullParserException(e.getMessage(), null, e);
        }
    }

    public Settings read(Reader reader) throws IOException, XmlPullParserException {
        try {
            return new Settings(delegate.read(reader));
        } catch (XMLStreamException e) {

    testRotate(new byte[] {1, 2}, -1, new byte[] {2, 1});
    testRotate(new byte[] {1, 2}, -2, new byte[] {1, 2});
    testRotate(new byte[] {1, 2}, 0, new byte[] {1, 2});
    testRotate(new byte[] {1, 2}, 1, new byte[] {2, 1});
    testRotate(new byte[] {1, 2}, 2, new byte[] {1, 2});
    testRotate(new byte[] {1, 2}, 3, new byte[] {2, 1});

    testRotate(new byte[] {1, 2, 3}, -5, new byte[] {3, 1, 2});

  public void testRotate() {
    testRotate(new char[] {}, -1, new char[] {});
    testRotate(new char[] {}, 0, new char[] {});
    testRotate(new char[] {}, 1, new char[] {});

    testRotate(new char[] {'1'}, -2, new char[] {'1'});
    testRotate(new char[] {'1'}, -1, new char[] {'1'});
    testRotate(new char[] {'1'}, 0, new char[] {'1'});
    testRotate(new char[] {'1'}, 1, new char[] {'1'});

    HashingOutputStream out = new HashingOutputStream(sha512(), buffer);

    out.write(buf);

    assertEquals(expectedHash, out.hash());
  }

  public void testChecksForNull() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicInstanceMethods(
        new HashingOutputStream(sha512(), new ByteArrayOutputStream()));

    testRotate(new double[] {1, 2}, -3, new double[] {2, 1});
    testRotate(new double[] {1, 2}, -1, new double[] {2, 1});
    testRotate(new double[] {1, 2}, -2, new double[] {1, 2});
    testRotate(new double[] {1, 2}, 0, new double[] {1, 2});
    testRotate(new double[] {1, 2}, 1, new double[] {2, 1});
    testRotate(new double[] {1, 2}, 2, new double[] {1, 2});
    testRotate(new double[] {1, 2}, 3, new double[] {2, 1});