// Act & Assert - no exceptions should be thrown
        assertDoesNotThrow(() -> resp.writeSetupWireFormat(null, 0));
        assertDoesNotThrow(() -> resp.writeParametersWireFormat(null, 0));
        assertDoesNotThrow(() -> resp.writeDataWireFormat(null, 0));
        assertDoesNotThrow(() -> resp.readSetupWireFormat(null, 0, 0));
        assertDoesNotThrow(() -> resp.readParametersWireFormat(null, 0, 0));

    void testValidShareNames(String share) {
        assertDoesNotThrow(() -> InputValidator.validateShareName(share));
    }

    @Test
    @DisplayName("Test port validation")
    void testPortValidation() {
        assertDoesNotThrow(() -> InputValidator.validatePort(445));
        assertDoesNotThrow(() -> InputValidator.validatePort(139));
        assertDoesNotThrow(() -> InputValidator.validatePort(1));

    void testNullInputs() {
        assertDoesNotThrow(() -> {
            SpnegoException ex1 = new SpnegoException((String) null);
            assertNotNull(ex1);
            assertNull(ex1.getMessage());
            assertNull(ex1.getCause());
        });

        assertDoesNotThrow(() -> {
            SpnegoException ex2 = new SpnegoException("msg", null);

package jcifs;

import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertTrue;

import java.util.Iterator;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;

package jcifs;

import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertSame;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;

        void testSetPadding() {
            assertDoesNotThrow(() -> request.setPadding((byte) 0));
            assertDoesNotThrow(() -> request.setPadding((byte) 1));
            assertDoesNotThrow(() -> request.setPadding((byte) 0xFF));
        }

        @Test
        @DisplayName("Should set read flags correctly")
        void testSetReadFlags() {
            assertDoesNotThrow(() -> request.setReadFlags((byte) 0));

        assertDoesNotThrow(() -> dfsResolver.cache(mockContext, "\\\\anyServer\\anyShare\\anyPath", mockReferralData));
    }

    @Test
    void testCache_InvalidPath() {
        when(mockConfig.isDfsDisabled()).thenReturn(false);
        DfsReferralData mockReferralData = mock(DfsReferralData.class);

            assertDoesNotThrow(() -> request.setFileId(shortFileId));
            assertDoesNotThrow(() -> request.setFileId(standardFileId));
            assertDoesNotThrow(() -> request.setFileId(longFileId));
        }

        @Test
        @DisplayName("Should handle unspecified file ID")
        void testUnspecifiedFileId() {

    @DisplayName("Should handle null message gracefully")
    void testNullMessage() {
        // When/Then
        assertDoesNotThrow(() -> {
            RuntimeCIFSException exception = new RuntimeCIFSException((String) null);
            assertNull(exception.getMessage());
        });

        assertDoesNotThrow(() -> {
            RuntimeCIFSException exception = new RuntimeCIFSException(null, new RuntimeException());

            // Act & Assert
            assertDoesNotThrow(() -> new MsrpcSamrConnect2(null, 0, ph));
        }

        @Test
        @DisplayName("should accept negative access mask values")
        void testNegativeAccessMaskAccepted() {
            // Arrange
            SamrPolicyHandle ph = createMockPolicyHandle();

            // Act & Assert
            assertDoesNotThrow(() -> new MsrpcSamrConnect2("\\\\srv", -42, ph));