assertEquals(SERVER, dcerpcBinding.getServer(), "Server should match the constructor argument.");
        assertNull(dcerpcBinding.getOptions(), "Options should be null initially.");
        assertNull(dcerpcBinding.getEndpoint(), "Endpoint should be null initially.");
        assertNull(dcerpcBinding.getUuid(), "UUID should be null initially.");

     * It should always return 0.
     */
    @Test
    void testWriteSetupWireFormat() {
        byte[] dst = new byte[10];
        // The method should not write anything and return 0
        assertEquals(0, response.writeSetupWireFormat(dst, 0), "writeSetupWireFormat should return 0.");
    }

    /**
     * Test for the writeParametersWireFormat method.
     * It should always return 0.
     */
    @Test

        assertEquals(smbComNtTransaction.parameterOffset, SmbComTransaction.readInt4(dst, 23),
                "parameterOffset should be written correctly");
        assertEquals(smbComNtTransaction.dataCount, SmbComTransaction.readInt4(dst, 27), "dataCount should be written correctly");
        assertEquals(smbComNtTransaction.dataOffset, SmbComTransaction.readInt4(dst, 31), "dataOffset should be written correctly");

        assertNotNull(password, "Password char array should not be null");
        assertArrayEquals(testPassword.toCharArray(), password, "Password should match");

        // Verify it returns a clone, not the original
        password[0] = 'X';
        char[] password2 = authenticator.getPasswordAsCharArray();
        assertNotEquals(password[0], password2[0], "Should return a clone, not the original");
    }

    @Test

    @DisplayName("MonotonicClock singleton instance should always return the same instance")
    void testSingletonInstance() {
        MonotonicClock clock1 = MonotonicClock.get();
        MonotonicClock clock2 = MonotonicClock.get();

        assertSame(clock1, clock2, "Multiple calls to get() should return the same instance");
    }

    @Test
    @DisplayName("MonotonicClock should always use UTC timezone")
    void testClockTimezone() {

        assertTrue(DialectVersion.SMB302.compareTo(DialectVersion.SMB311) < 0);
    }

    @Test
    @DisplayName("Should identify SMB1 vs SMB2+ versions")
    void testSMBVersionIdentification() {
        // SMB1 should not be SMB2
        assertFalse(DialectVersion.SMB1.isSMB2());

        // SMB2+ versions should be identified as SMB2
        assertTrue(DialectVersion.SMB202.isSMB2());
        assertTrue(DialectVersion.SMB210.isSMB2());

        assertEquals(2, trans.maxParameterCount, "The maxParameterCount should be 2.");
        assertEquals(40, trans.maxDataCount, "The maxDataCount should be 40.");
        assertEquals((byte) 0x00, trans.maxSetupCount, "The maxSetupCount should be 0.");
    }

    /**
     * Tests the writeSetupWireFormat method.
     */
    @Test
    void testWriteSetupWireFormat() {
        // Given

        assertNull(ex.getMessage(), "Default ctor should not set a message");
        assertNull(ex.getCause(), "Default ctor should not set a cause");
        assertTrue(ex instanceof SmbException, "Should be an SmbException subtype");
        // SmbException default ctor leaves status 0, which equals NT_STATUS_SUCCESS
        assertEquals(NtStatus.NT_STATUS_SUCCESS, ex.getNtStatus(), "Default status should be success (0)");
    }

/**
 * Test class for StringUtil utility methods
 */
class StringUtilTest {

    @Test
    @DisplayName("Should join single element without delimiter")
    void testJoinSingleElement() {
        String result = StringUtil.join(",", "hello");
        assertEquals("hello", result);
    }

    @Test
    @DisplayName("Should join two elements with delimiter")
    void testJoinTwoElements() {

        assertTrue(infoString.contains("alloc=1000"), "toString should contain alloc");
        assertTrue(infoString.contains("free=500"), "toString should contain free");
        assertTrue(infoString.contains("sectPerAlloc=100"), "toString should contain sectPerAlloc");
        assertTrue(infoString.contains("bytesPerSect=512"), "toString should contain bytesPerSect");
    }