// Given - Create a custom implementation
        BasicFileInformation customImpl = new BasicFileInformation() {
            @Override
            public int getAttributes() {
                return 0x123;
            }

            @Override
            public long getCreateTime() {
                return 999L;
            }

            @Override
            public long getLastWriteTime() {

    assertThat(
      mergeAdjacentRanges(
        listOf(
          Mapping(0x0232, 0x0232, TYPE_MAPPED, "a".encodeUtf8()),
          Mapping(0x0233, 0x0233, TYPE_VALID, ByteString.EMPTY),
          Mapping(0x0234, 0x0236, TYPE_VALID, ByteString.EMPTY),
          Mapping(0x0237, 0x0239, TYPE_VALID, ByteString.EMPTY),
          Mapping(0x023a, 0x023a, TYPE_MAPPED, "b".encodeUtf8()),
        ),
      ),
    ).containsExactly(

        smbRandomAccessFile.write(42);
        assertEquals(1, smbRandomAccessFile.getFilePointer());
    }

    @Test
    void testWriteByteArray() throws SmbException {
        byte[] testData = new byte[] { 0, 1, 2, 3, 4 };

        // Mock the write operation
        doAnswer(new Answer<Void>() {
            @Override
            public Void answer(InvocationOnMock invocation) throws Throwable {

        setPrivateField(cmd, "maxReferralLevel", 0x12AB);
        byte[] buffer = new byte[100];
        int len = cmd.writeParametersWireFormat(buffer, 0);
        assertTrue(len >= 2);
        // writeInt2 writes in little-endian format (LSB first)
        assertEquals(0xAB, buffer[0] & 0xFF);
        assertEquals(0x12, buffer[1] & 0xFF);
        // Check that the path is written after the referral level

        void shouldIdentifyFailedStates() {
            // Failed states: 5=disconnecting, 6=disconnected/invalid
            int[] failedStates = { 5, 6 };
            int[] nonFailedStates = { 0, 1, 2, 3, 4 };

            for (int state : failedStates) {
                transport.setState(state);
                assertTrue(transport.isFailed(), "State " + state + " should be failed");
            }

        byte[] expanded = PacMac.expandNFold(data, outlen);
        assertNotNull(expanded);
        assertEquals(outlen, expanded.length);

        // Test vectors from RFC 3961 Appendix A.1
        // 64-fold("012345")
        verifyNfold("012345", 8,
                new byte[] { (byte) 0xbe, (byte) 0x07, (byte) 0x26, (byte) 0x31, (byte) 0x27, (byte) 0x6b, (byte) 0x19, (byte) 0x55 });

        // 56-fold("password")

        byte[] buffer = new byte[10];
        int bytesRead = stream.read(buffer, 2, 5);

        assertEquals(5, bytesRead);
        assertEquals("01234", new String(buffer, 2, 5));
    }

    public void test_available_delegatesToUnderlying() throws IOException {
        // Test that available() delegates to underlying stream
        byte[] data = "Test data".getBytes();

    testRotate(new byte[] {1, 2, 3, 4, 5}, 1, new byte[] {5, 1, 2, 3, 4});
    testRotate(new byte[] {1, 2, 3, 4, 5}, 3, new byte[] {3, 4, 5, 1, 2});
    testRotate(new byte[] {1, 2, 3, 4, 5}, 4, new byte[] {2, 3, 4, 5, 1});
    testRotate(new byte[] {1, 2, 3, 4, 5}, 6, new byte[] {5, 1, 2, 3, 4});
  }

  public void testRotateIndexed() {
    testRotate(new byte[] {}, 0, 0, 0, new byte[] {});

        assertEquals(0, hash.length);
    }

    // Test that changing lmCompatibility at runtime doesn't affect already loaded static value
    @ParameterizedTest
    @ValueSource(strings = { "0", "1", "2", "3", "4", "5" })
    void testLmCompatibilityStaticInitialization(String lmCompatibility) {
        // Attempt to change the property (won't affect static final LM_COMPATIBILITY)

        switch (il) {
        case FileSystemInformation.SMB_INFO_ALLOCATION:
            return 0x1;
        case FileSystemInformation.FS_SIZE_INFO:
            return 0x103;
        }
        throw new IllegalArgumentException("Unhandled information level");
    }

    @Override
    protected int writeDataWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }