}

  private static <K extends @Nullable Object, V extends @Nullable Object> Entry<K, V> control(
      K key, V value) {
    return singletonMap(key, value).entrySet().iterator().next();
  }

  public void testToString() {
    assertEquals("foo=1", entry("foo", 1).toString());
  }

  public void testToStringNull() {
    assertEquals("null=1", entry(NK, 1).toString());
    assertEquals("foo=null", entry("foo", NV).toString());

    }

    /**
     * Test the toString method.
     * It should return a string representation of the SmbComNegotiate object.
     */
    @Test
    void testToString() {
        String result = smbComNegotiate.toString();
        assertTrue(result.startsWith("SmbComNegotiate["), "String should start with SmbComNegotiate[");

    @Override
    public Object call() {
      return Boolean.TRUE;
    }
  }

  public static final String TEST_STRING = "a test string";

  public static class StringTask implements Callable<String> {
    @Override
    public String call() {
      return TEST_STRING;
    }
  }

  public Callable<String> latchAwaitingStringTask(CountDownLatch latch) {
    return new CheckedCallable<String>() {

        assertEquals(outputBuffer.length, result);
        assertArrayEquals(testData, outputBuffer);
    }

    @Test
    void testToString() {
        // Test toString method
        String result = response.toString();
        assertNotNull(result);
        assertTrue(result.startsWith("TransTransactNamedPipeResponse["));

    // Non-bracketed IPv6 fails.
    assertThrows(
        IllegalArgumentException.class,
        () -> HostAndPort.fromString("::1").requireBracketsForIPv6());
  }

  public void testToString() {
    // With ports.
    assertEquals("foo:101", "" + HostAndPort.fromString("foo:101"));
    assertEquals(":102", HostAndPort.fromString(":102").toString());

    // Non-bracketed IPv6 fails.
    assertThrows(
        IllegalArgumentException.class,
        () -> HostAndPort.fromString("::1").requireBracketsForIPv6());
  }

  public void testToString() {
    // With ports.
    assertEquals("foo:101", "" + HostAndPort.fromString("foo:101"));
    assertEquals(":102", HostAndPort.fromString(":102").toString());

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

    /**
     * Test toString contains relevant information
     */
    @Test
    public void testToString() {
        SmbComWrite write = new SmbComWrite();
        write.setParam(0x1234, 100L, 50, new byte[10], 0, 10);

        String str = write.toString();
        assertNotNull(str);

    @Test
    void testGetResumeKey() {
        // Test the getResumeKey method
        // By default, it should be 0
        assertEquals(0, response.getResumeKey());
    }

    @Test
    void testToString() {
        // Test the toString method
        String result = response.toString();
        assertNotNull(result);
        assertTrue(result.contains("Trans2FindFirst2Response"));

        }

        @Test
        void data() {
            assertEquals(0, cmd.readDataWireFormat(new byte[10], 0, 0));
        }
    }

    @Test
    @DisplayName("toString format")
    void testToString() throws Exception {
        Trans2GetDfsReferral cmd = new Trans2GetDfsReferral("/bar");
        String s = cmd.toString();
        assertTrue(s.contains("Trans2GetDfsReferral["));

        // Then
        assertEquals(0, bytesRead, "Should read 0 bytes.");
    }

    /**
     * Tests the toString method.
     */
    @Test
    void testToString() {
        // Given
        String filename = "test.txt";
        int informationLevel = 257; // 0x0101
        Trans2QueryPathInformation trans = new Trans2QueryPathInformation(filename, informationLevel);