copyFileId[0] = 0x00;

            // Verify original is unchanged
            assertEquals((byte) 0xFF, originalFileId[0], "Original FileId should remain unchanged");
            assertArrayEquals(
                    new byte[] { (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF,

    }

    private static Stream<Arguments> provideFidTestCases() {
        return Stream.of(Arguments.of(0x0000, (byte) 0x00, (byte) 0x00), Arguments.of(0x00FF, (byte) 0xFF, (byte) 0x00),
                Arguments.of(0xFF00, (byte) 0x00, (byte) 0xFF), Arguments.of(0xFFFF, (byte) 0xFF, (byte) 0xFF),
                Arguments.of(0x1234, (byte) 0x34, (byte) 0x12));
    }

    @Test

	utf8Valid1, utf8Require1 := detectUTF8(fh.Name)
	utf8Valid2, utf8Require2 := detectUTF8(fh.Comment)
	switch {
	case fh.NonUTF8:
		fh.Flags &^= 0x800
	case (utf8Require1 || utf8Require2) && (utf8Valid1 && utf8Valid2):
		fh.Flags |= 0x800
	}

	fh.CreatorVersion = fh.CreatorVersion&0xff00 | zipVersion20 // preserve compatibility byte
	fh.ReaderVersion = zipVersion20

    }
  }

  // Example taken from twitter/hpack DecoderTest.testIllegalIndex
  @Test
  fun readIndexedHeaderFieldTooLargeIndex() {
    bytesIn.writeShort(0xff00) // == Indexed - Add idx = 127
    assertFailsWith<IOException> {
      hpackReader!!.readHeaders()
    }.also { expected ->
      assertThat(expected.message).isEqualTo("Header index too large 127")
    }
  }

    int FLAGS2_EXTENDED_SECURITY_NEGOTIATION = 0x0800;
    /** Resolve paths in DFS flag */
    int FLAGS2_RESOLVE_PATHS_IN_DFS = 0x1000;
    /** Permit read if execute permission flag */
    int FLAGS2_PERMIT_READ_IF_EXECUTE_PERM = 0x2000;
    /** 32-bit status codes flag */
    int FLAGS2_STATUS32 = 0x4000;
    /** Unicode strings flag */
    int FLAGS2_UNICODE = 0x8000;

    /** No capabilities */
    int CAP_NONE = 0x0000;

    int FLAGS2_EXTENDED_SECURITY_NEGOTIATION = 0x0800;
    /**
     * Resolve paths in Distributed File System flag.
     */
    int FLAGS2_RESOLVE_PATHS_IN_DFS = 0x1000;
    /**
     * Permit read if execute permission flag.
     */
    int FLAGS2_PERMIT_READ_IF_EXECUTE_PERM = 0x2000;
    /**
     * Use 32-bit status codes flag.
     */
    int FLAGS2_STATUS32 = 0x4000;
    /**
     * Strings are Unicode flag.

        assertEquals(0x2000, SmbConstants.FLAGS2_PERMIT_READ_IF_EXECUTE_PERM);
        assertEquals(0x4000, SmbConstants.FLAGS2_STATUS32);
        assertEquals(0x8000, SmbConstants.FLAGS2_UNICODE);
    }

    @Test
    @DisplayName("Should define capability constants")
    void testCapabilityConstants() {
        assertEquals(0x0000, SmbConstants.CAP_NONE);

        byte[] wireData = new byte[] { 0x10, 0x00, // StructureSize (must be 16)
                0x01, // ShareType (DISK)
                0x00, // Reserved
                0x01, 0x00, 0x00, 0x00, // ShareFlags
                0x08, 0x00, 0x00, 0x00, // Capabilities
                (byte) 0xFF, 0x01, 0x1F, 0x00 // MaximalAccess
        };

        // When

        assertTrue(result.contains("fid=0xFFFF"));
        assertTrue(result.contains("filter=0xFFFF")); // Only 4 hex chars are shown
        assertTrue(result.contains("watchTree=true"));
    }

    @Test
    @DisplayName("Test toString method with zero values")
    void testToStringZeroValues() {
        int fid = 0x0000;
        int completionFilter = 0x00000000;

            assertEquals("Unknown dialect", exception.getMessage());
        }

        @ParameterizedTest
        @ValueSource(ints = { 0x0000, 0x0100, 0x0201, 0x0303, 0x0400, 0xFFFF })
        @DisplayName("Should throw exception for invalid dialects")
        void testConstructorInvalidDialects(int dialect) {
            IllegalArgumentException exception =