void testMessageAndCauseConstructor() {
        // Test the constructor with both message and cause arguments
        String message = "Test message with cause";
        Throwable cause = new IllegalArgumentException("Invalid argument");
        RequestTimeoutException exception = new RequestTimeoutException(message, cause);
        assertEquals(message, exception.getMessage(), "Message should match the provided string");

            assertEquals("Named pipes are only valid on IPC$", ex.getMessage());
        }

        @Test
        @DisplayName("Null context throws NPE (invalid input)")
        void nullContextThrows() {
            assertThrows(NullPointerException.class, () -> new SmbNamedPipe("smb://server/IPC$/foo", 0, null));
        }

        @Test

    public void setExistNextPage(final boolean existNextPage) {
        this.existNextPage = existNextPage;
    }

    /**
     * Gets the number of records per page.
     * If page size is not set or is invalid, returns the default page size.
     *
     * @return the page size
     */
    public int getPageSize() {
        if (pageSize <= 0) {
            pageSize = getDefaultPageSize();
        }

     */
    public void setExistNextPage(final boolean existNextPage) {
        this.existNextPage = existNextPage;
    }

    /**
     * Gets the number of records to display per page.
     * If not set or invalid, returns the default page size.
     *
     * @return the page size
     */
    public int getPageSize() {
        if (pageSize <= 0) {
            pageSize = getDefaultPageSize();
        }

     * @return a new {@link DependencyCoordinates} object
     *
     * @throws IllegalArgumentException if {@code request} is null or
     *         if {@code request.getSession()} is null or invalid
     */
    @Nonnull
    DependencyCoordinates create(@Nonnull DependencyCoordinatesFactoryRequest request);

    @Nonnull

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

/**
 * Unit tests for {@link NegTokenTarg}. The class has no external
 * collaborators so tests are mostly focused on round‑trip
 * serialisation and invalid input handling.
 */
class NegTokenTargTest {

    @Test
    @DisplayName("happy path – full token round‑trip")
    void testRoundTripFull() throws IOException {
        // Arrange – create a fully populated token

        System.clearProperty("config.app.module");
    }

    // Test invalid regex in custom properties
    public void test_customProperties_invalidRegex() {
        List<String> cmdList = new ArrayList<>();

        try {
            execJob.testAddFessCustomSystemProperties(cmdList, "[invalid(regex");
            fail("Should handle invalid regex");
        } catch (Exception e) {

    }

    @Test
    @DisplayName("Test readBytesWireFormat with invalid structure size throws exception")
    void testReadBytesWireFormatInvalidStructureSize() {
        response = new Smb2QueryInfoResponse(mockConfig, (byte) 1, (byte) 2);
        byte[] buffer = new byte[1024];
        int bufferIndex = 0;

        // Set structure size to 10 (invalid, should be 9)
        SMBUtil.writeInt2(10, buffer, bufferIndex);

        }

        @Test
        @DisplayName("Should throw exception for invalid structure size")
        void testReadBytesWireFormatWithInvalidStructureSize() {
            // Given
            byte[] buffer = new byte[60];
            SMBUtil.writeInt2(59, buffer, 0); // Invalid structure size (should be 60)

            // When & Then

            new SmbTreeConnectionTrace(ctx).getConnectedShare();
        }));
    }

    @ParameterizedTest(name = "Invalid usage causes NPE: {0}")
    @MethodSource("npePublicGetters")
    void getters_withoutTree_throwNPE(String name, org.junit.jupiter.api.function.Executable call) {
        // Each call is invalid without a held tree and should throw NPE
        assertThrows(NullPointerException.class, call);
    }