}

    @Test
    @DisplayName("Test readBytesWireFormat with invalid structure size throws exception")
    void testReadBytesWireFormatInvalidStructureSize() {
        response = new Smb2QueryDirectoryResponse(mockConfig, (byte) 0x03);
        byte[] buffer = new byte[1024];
        int bufferIndex = 0;

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

 */
@GwtCompatible
public abstract class BaseEncoding {
  // TODO(lowasser): consider making encodeTo(Appendable, byte[], int, int) public.

  BaseEncoding() {}

  /**
   * Exception indicating invalid base-encoded input encountered while decoding.
   *
   * @author Louis Wasserman
   * @since 15.0
   */
  public static final class DecodingException extends IOException {

        final int start = bufferIndex;
        if (in.read(buffer, bufferIndex, this.length) != this.length) {
            throw new IOException("invalid session request wire format");
        }
        bufferIndex += this.calledName.readWireFormat(buffer, bufferIndex);
        bufferIndex += this.callingName.readWireFormat(buffer, bufferIndex);
        return bufferIndex - start;

				}
				continue
			}
			return fmt.Errorf("next stream: %w", err)
		}
		if strings.Contains(stream.Name, "..") || !utf8.ValidString(stream.Name) {
			return fmt.Errorf("invalid stream name: %q", stream.Name)
		}

		dst := filepath.Join(extractDir, stream.Name)
		os.Mkdir(extractDir, 0o755)
		w, err := os.Create(dst)
		if err != nil {
			return fmt.Errorf("creating output file: %w", err)

    @ParameterizedTest
    @DisplayName("Message constructor should handle crypto-specific error messages")
    @NullAndEmptySource
    @ValueSource(strings = { "AES encryption not supported", "Missing Bouncy Castle provider", "Invalid key length for AES-128",
            "RC4 cipher not available in this JVM", "DES encryption is deprecated and not supported", "HMAC-SHA256 algorithm not found",
            "RSA key generation failed: key size not supported" })

            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

        // Then
        assertArrayEquals(bytes1, bytes2);
    }

    @Test
    @DisplayName("Should handle parsing invalid message bytes")
    void testInvalidMessageBytes() {
        // Given
        byte[] invalidBytes = { 1, 2, 3, 4, 5 }; // Too short and invalid

        // When/Then
        assertThrows(IOException.class, () -> {
            new Type1Message(invalidBytes);
        });
    }

   * @param plusForSpace true if ASCII space should be escaped to {@code +} rather than {@code %20}
   * @throws IllegalArgumentException if any of the parameters were invalid
   */
  public PercentEscaper(String safeChars, boolean plusForSpace) {
    // TODO(dbeaumont): Switch to static factory methods for creation now that class is final.

	{Header: http.Header{"Content-Md5": []string{"d41d8cd98f00b204e9800998ecf8427e"}}, ShouldFail: true}, // 7 (content-md5 is invalid b64 / of invalid length)
}

func TestFromContentMD5(t *testing.T) {
	for i, test := range fromContentMD5Tests {
		ETag, err := FromContentMD5(test.Header)
		if err != nil && !test.ShouldFail {

        assertNotNull(securityDescriptor.getOwnerGroupSid());
    }

    @Test
    @DisplayName("Test decode throws exception for invalid ACE count")
    void testDecodeThrowsExceptionForInvalidAceCount() {
        // Prepare buffer with invalid ACE count (> 4096)
        prepareSecurityDescriptorBufferWithInvalidAceCount(testBuffer, 0);