// Then
        assertEquals(0, result, "readBytesWireFormat should return 0");
    }

    /**
     * Test the toString method.
     */
    @Test
    void testToString() {
        // Given
        SmbComTreeDisconnect smbComTreeDisconnect = new SmbComTreeDisconnect();

        // When
        String result = smbComTreeDisconnect.toString();

        // Then

    assertThrows(IllegalStateException.class, hasher::hash);
  }

  @SuppressWarnings("deprecation") // We still need to test our deprecated APIs.
  public void testToString() {
    assertThat(md5().toString()).isEqualTo("Hashing.md5()");
    assertThat(sha1().toString()).isEqualTo("Hashing.sha1()");
    assertThat(sha256().toString()).isEqualTo("Hashing.sha256()");

  }

  public void testChar() {
    TestHasher hasher = new TestHasher();
    hasher.putChar((char) 0x0201);
    hasher.assertBytes(new byte[] {1, 2});
  }

  public void testString() {
    Random random = new Random();
    for (int i = 0; i < 100; i++) {
      byte[] bytes = new byte[64];
      random.nextBytes(bytes);
      String s = new String(bytes, UTF_16LE); // so all random strings are valid

    assertThat(get("h3-29")).isEqualTo(Protocol.HTTP_3)
  }

  @Test
  fun testGetUnknown() {
    assertThrows(IOException::class.java) { get("tcp") }
  }

  @Test
  fun testToString() {
    assertThat(Protocol.HTTP_1_0.toString()).isEqualTo("http/1.0")
    assertThat(Protocol.HTTP_1_1.toString()).isEqualTo("http/1.1")
    assertThat(Protocol.SPDY_3.toString()).isEqualTo("spdy/3.1")

  }

  private static <E extends @Nullable Object> Entry<E> control(E element, int count) {
    return HashMultiset.create(nCopies(count, element)).entrySet().iterator().next();
  }

  public void testToString() {
    assertThat(entry("foo", 1).toString()).isEqualTo("foo");
    assertThat(entry("bar", 2).toString()).isEqualTo("bar x 2");
  }

  public void testToStringNull() {

    new EqualsTester()
        .addEqualityGroup(testTable)
        .addEqualityGroup(ArrayTable.create(ImmutableSet.of('A'), ImmutableSet.of(1)))
        .testEquals();
  }

  public void testToString() {
    assertThat(testTable.toString()).isEqualTo("{a={1=blah}}");
  }

  public void testContains() {
    assertTrue(testTable.contains('a', 1));
    assertFalse(testTable.contains('a', 2));

        DictionaryException exception = new DictionaryException("Serialization test");

        assertTrue(exception instanceof java.io.Serializable);
    }

    @Test
    public void test_toString() {
        // Test toString method
        String message = "Dictionary parse error";
        Exception cause = new NullPointerException("NPE occurred");

        verify(mockPipeIn, times(1)).receive(buffer, bufferIndex, len);
    }

    /**
     * Tests the toString method.
     */
    @Test
    void testToString() {
        String result = response.toString();
        assertNotNull(result, "toString() should not return null.");
    }

    // Helper method to access the super.toString() for verification,

  static TestSuite tests(String name, ByteSourceFactory factory, boolean testAsCharSource) {
    TestSuite suite = new TestSuite(name);
    for (Entry<String, String> entry : TEST_STRINGS.entrySet()) {
      if (testAsCharSource) {
        suite.addTest(suiteForString(factory, entry.getValue(), name, entry.getKey()));
      } else {
        suite.addTest(

    }

    /**
     * Test for the toString method.
     * It should return a string representation of the object.
     */
    @Test
    void testToString() {
        // The actual toString() method uses super.toString(), so we mimic that for the check.
        // A direct string comparison might be brittle, so we check for the class name and brackets.