if err == io.EOF {
		err = io.ErrUnexpectedEOF
	}
	r.err = err
	return r.current, err
}

// next will read one entry from the stream.
// Generally not recommended for fast operation.
func (r *metacacheReader) next() (metaCacheEntry, error) {
	r.checkInit()
	if r.err != nil {
		return metaCacheEntry{}, r.err
	}
	var m metaCacheEntry
	var err error
	if r.current.name != "" {

import jcifs.internal.util.SMBUtil;

/**
 * SMB1 Read AndX Response message.
 *
 * This response contains the data that was read from the file
 * along with information about the read operation.
 */
public class SmbComReadAndXResponse extends AndXServerMessageBlock {

    private byte[] data;
    private int offset, dataCompactionMode, dataLength, dataOffset;

    /**

import org.jspecify.annotations.Nullable;

/**
 * CompactHashMap is an implementation of a Map. All optional operations (put and remove) are
 * supported. Null keys and values are supported.
 *
 * <p>{@code containsKey(k)}, {@code put(k, v)} and {@code remove(k)} are all (expected and
 * amortized) constant time operations. Expected in the hashtable sense (depends on the hash

import jcifs.Configuration;
import jcifs.internal.smb1.AndXServerMessageBlock;
import jcifs.internal.util.SMBUtil;

/**
 * SMB1 Write AndX Response message.
 *
 * This response contains information about the write operation,
 * including the number of bytes actually written.
 */
public class SmbComWriteAndXResponse extends AndXServerMessageBlock {

    private long count;

    /**

import jcifs.CIFSUnsupportedCryptoException;

/**
 * Cryptographic utility class providing encryption and decryption functionality for jCIFS.
 * Handles security provider initialization and cryptographic operations for SMB authentication.
 *
 * @author mbechler
 */
public final class Crypto {

    private static Provider provider = null;

    /**
     *
     */
    private Crypto() {
    }

    /**

        assertEquals(SmbComTransaction.TRANS_WAIT_NAMED_PIPE, transWaitNamedPipe.getSubCommand());
    }

    @Test
    @DisplayName("Multiple wire format operations should be consistent")
    void testMultipleWireFormatOperations() {
        // Arrange
        transWaitNamedPipe = new TransWaitNamedPipe(mockConfig, testPipeName);
        byte[] dst1 = new byte[10];

        assertEquals(length, random2.length);
        // Very unlikely to be equal
        assertNotEquals(new String(random1), new String(random2));
    }

    @Test
    @DisplayName("Should handle AES encryption operations")
    void testAESOperations() throws Exception {
        // Given
        byte[] key = new byte[16]; // 128-bit key
        byte[] iv = new byte[16]; // 128-bit IV

        pagerCreator.setPagerCustomizer(customizer);

        // Verify it can be retrieved
        assertSame(customizer, pagerCreator.getPagerCustomizer());
    }

    // Test multiple set operations
    public void test_setPagerCustomizer_multiple_times() {
        // Create first customizer
        ComponentCustomizer customizer1 = new ComponentCustomizer() {
            @Override

        }
    }

    public void test_concurrentOperations() throws InterruptedException {
        // Test thread safety with concurrent operations
        final int threadCount = 10;
        Thread[] threads = new Thread[threadCount];
        final boolean[] results = new boolean[threadCount];

        for (int i = 0; i < threadCount; i++) {

 */
package jcifs.internal.util;

import jcifs.SmbConstants;

/**
 * SMB protocol utility class providing low-level data encoding and decoding operations.
 * Contains methods for reading and writing various data types (integers, strings, timestamps)
 * in SMB protocol format, handling endianness and data type conversions.
 *
 * @author mbechler
 */
public class SMBUtil {