}
    }

    /**
     * Asserts that the state is not invalid.
     *
     * @param expression
     *            The precondition.
     * @param description
     *            The description of why the state is invalid.
     * @throws ClIllegalStateException
     *             If {@code expression} is false.
     */

    void setUp() {
        buffer = new byte[1024]; // Initialize with a reasonable size
        ndrBuffer = new NdrBuffer(buffer, 0);
    }

    @Test
    void testConstructor() {
        // Verify initial state
        assertEquals(0, ndrBuffer.start);
        assertEquals(0, ndrBuffer.index);
        assertEquals(0, ndrBuffer.length);
        assertSame(ndrBuffer, ndrBuffer.deferred);
        assertSame(buffer, ndrBuffer.buf);

        assertTrue(ex.getMessage().toLowerCase().contains("usage count"));
    }

    @Test
    @DisplayName("isConnected reflects underlying tree state")
    void isConnected_usesTree() {
        SmbTreeConnection c = newConn();
        // No tree -> false
        assertFalse(c.isConnected());

        SmbTreeImpl tree = mock(SmbTreeImpl.class);

        if (v1 != null) {
            return v1.getLeaseKey();
        }
        return null;
    }

    /**
     * Get the lease state from the response
     * @return the lease state or 0 if no lease was granted
     */
    public int getLeaseState() {
        LeaseV2CreateContextResponse v2 = getLeaseV2Context();
        if (v2 != null) {

        assertEquals(expected, flags);
    }

    @Test
    @DisplayName("isEstablished reflects underlying context state")
    void isEstablished_behavior() throws Exception {
        when(gssContext.isEstablished()).thenReturn(true);
        assertTrue(ctx.isEstablished());

        // When gssContext is null, isEstablished returns false

 * operations. A partially-reclaimed entry is never exposed to the user. Any {@link Map.Entry}
 * instance retrieved from the map's {@linkplain Map#entrySet entry set} is a snapshot of that
 * entry's state at the time of retrieval; such entries do, however, support {@link
 * Map.Entry#setValue}, which simply calls {@link Map#put} on the entry's key.
 *

            return buffer;
        }
    }

    @Nested
    @DisplayName("Integration Tests")
    class IntegrationTests {

        @Test
        @DisplayName("Should maintain state after multiple decodes")
        void testMultipleDecodes() throws SMBProtocolDecodingException {
            // First decode
            byte[] buffer1 = createValidCopyChunkResponse(1, 1024, 1024);

 *
 * <p>To use this class the concrete subclass must implement the {@link
 * IteratorTester#newTargetIterator()} method. This is because it's impossible to test an Iterator
 * without changing its state, so the tester needs a steady supply of fresh Iterators.
 *
 * <p>If your iterator supports modification through {@code remove()}, you may wish to override the

    /**
     * Name of the role.
     */
    public String name;

    /**
     * Version number of the role.
     */
    public String versionNo;

    /**
     * Clears the pager's state.
     */
    public void clear() {
        allRecordCount = 0;
        allPageCount = 0;
        existPrePage = false;
        existNextPage = false;
        pageSize = getDefaultPageSize();

	} else {
		req.Trailer = nil
	}
	return &s3UnsignedChunkedReader{
		trailers: req.Trailer,
		reader:   bufio.NewReader(req.Body),
		buffer:   make([]byte, 64*1024),
	}, ErrNone
}

// Represents the overall state that is required for decoding a
// AWS Signature V4 chunked reader.
type s3UnsignedChunkedReader struct {
	reader   *bufio.Reader
	trailers http.Header

	buffer []byte
	offset int
	err    error
	debug  bool