assertEquals(4, JvmUtil.getJavaVersion());
        System.setProperty("java.version", "1.5.0_15");
        assertEquals(5, JvmUtil.getJavaVersion());
        System.setProperty("java.version", "1.6.0_34");
        assertEquals(6, JvmUtil.getJavaVersion());
        System.setProperty("java.version", "1.7.0_25");
        assertEquals(7, JvmUtil.getJavaVersion());
        System.setProperty("java.version", "1.8.0_171");

        assertNull(testBlock.getAndx());
        assertNull(testBlock.getNext());
        assertNull(testBlock.getNextResponse());
    }

    @Test
    @DisplayName("Test constructor with null andx command")
    void testConstructorWithNullAndx() {
        testBlock = new TestAndXServerMessageBlock(mockConfig, (byte) 0x25, (ServerMessageBlock) null);

            assertEquals(0x25, testBlock.getCommand());
            assertNull(testBlock.getPath());
        }

        @Test
        @DisplayName("Test constructor with config, command, and path")
        void testConstructorWithPath() {
            testBlock = new TestServerMessageBlock(mockConfig, (byte) 0x25, "\\test\\path");

        }
    }

    // Test edge cases to understand the validation behavior
    public void test_edgeCaseBehavior() {
        String[] edgeCases = { "0 0 25 * * ?", // Invalid day of month
                "0 60 * * * ?", // Invalid minute
                "0 0 0 32 1 ?", // Invalid day
                "0 0 0 1 13 ?", // Invalid month
        };

    checkFromStringCase("google.com:+25", 1, null, 99, false);
    checkFromStringCase("google.com:25  ", 1, null, 99, false);
    checkFromStringCase("google.com:25\t", 1, null, 99, false);
    checkFromStringCase("google.com:0x25 ", 1, null, 99, false);
  }

  public void testFromStringUnparseableNonsense() {
    // Some nonsense that causes parse failures.
    checkFromStringCase("[goo.gl]", 1, null, 99, false);

    checkFromStringCase("google.com:+25", 1, null, 99, false);
    checkFromStringCase("google.com:25  ", 1, null, 99, false);
    checkFromStringCase("google.com:25\t", 1, null, 99, false);
    checkFromStringCase("google.com:0x25 ", 1, null, 99, false);
  }

  public void testFromStringUnparseableNonsense() {
    // Some nonsense that causes parse failures.
    checkFromStringCase("[goo.gl]", 1, null, 99, false);

				break
			}

			// We break if we did not see 2.5% growth rate in total GET
			// requests, we have reached our peak at this point.
			doBreak := float64(totalGet-throughputHighestGet)/float64(totalGet) < 0.025

			throughputHighestGet = totalGet
			throughputHighestResults = results
			throughputHighestPut = totalPut

			if doBreak {
				sendResult()
				break
			}

    }

    @Test
    @DisplayName("Test constructor initialization with command and subcommand")
    void testConstructorWithCommandAndSubcommand() {
        byte command = (byte) 0x25;
        byte subcommand = (byte) 0x01;
        TestSmbComTransactionResponse resp = new TestSmbComTransactionResponse(mockConfig, command, subcommand);
        assertNotNull(resp);

        assertTrue(result.contains("maxDataCount"));
    }

    @Test
    @DisplayName("Test transaction command constants")
    void testTransactionCommandConstants() {
        assertEquals((byte) 0x25, SmbComTransaction.SMB_COM_TRANSACTION);
        assertEquals((byte) 0xA0, SmbComTransaction.SMB_COM_NT_TRANSACT);
        assertEquals((byte) 0x26, SmbComTransaction.SMB_COM_TRANSACTION_SECONDARY);

    }

    @Test
    @DisplayName("getBatchLimit defaults to 0")
    void testGetBatchLimitDefault() {
        DummyAndXBlock block = new DummyAndXBlock();
        assertEquals(0, block.getBatchLimit((byte) 0x25));
    }

    @Test
    @DisplayName("encode without andx succeeds and signs when digest present")
    void testEncodeNoAndxWithSigning() throws Exception {
        DummyAndXBlock block = new DummyAndXBlock();