// When/Then - All error codes should have high bit set (0xC prefix)
        for (int status : errorStatuses) {
            assertTrue((status & (int) 0xC0000000L) == (int) 0xC0000000L,
                    "Error status should have severity bits set to 0xC: " + Integer.toHexString(status));
        }
    }

    @Test
    @DisplayName("Should have status codes array")

        assertEquals(0xB, PacConstants.CONSTRAINT_DELEGATIION_TYPE, "CONSTRAINT_DELEGATIION_TYPE should be 0xB");
        assertEquals(0xC, PacConstants.CLIENT_UPN_TYPE, "CLIENT_UPN_TYPE should be 0xC");
        assertEquals(0xD, PacConstants.CLIENT_CLAIMS_TYPE, "CLIENT_CLAIMS_TYPE should be 0xD");
        assertEquals(0xE, PacConstants.DEVICE_INFO_TYPE, "DEVICE_INFO_TYPE should be 0xE");

    /**
     * Buffer type for constrained delegation information.
     */
    int CONSTRAINT_DELEGATIION_TYPE = 0xB;
    /**
     * Buffer type for client user principal name.
     */
    int CLIENT_UPN_TYPE = 0xC;
    /**
     * Buffer type for client claims information.
     */
    int CLIENT_CLAIMS_TYPE = 0xD;
    /**
     * Buffer type for device information.
     */
    int DEVICE_INFO_TYPE = 0xE;
    /**

	var testData [256]byte

0x32, 0xf4, 0x12, 0x5e, 0x9f, 0x70, 0x2, 0xfc, 0x64, 0xa9, 0x86, 0x94, 0x52, 0xe6, 0x99, 0x33, 0x92, 0xc, 0xd, 0xba, 0x9, 0x80, 0x70, 0x97, 0x3a, 0x47, 0x58, 0x38, 0x36, 0xb6, 0x6a, 0x6a, 0xc, 0xb8, 0xe1, 0xf8, 0x4c, 0x1e, 0x26, 0x82, 0x4, 0x6c, 0x5c, 0x9a, 0x91, 0x6, 0x48, 0xce, 0xe5, 0xd0, 0x9a, 0x7a, 0x51, 0xaa, 0xa7, 0x6a, 0x5, 0xc, 0xd4, 0x92, 0x27, 0xb0, 0x61, 0x6c, 0xe5, 0xda, 0x6a, 0x7c, 0x4c, 0xc, 0x9e, 0xb1, 0xa4, 0x78, 0xb1, 0x9c, 0xf1, 0x7f, 0x26, 0xba, 0xe4, 0x4f, 0x5c, 0x6d, 0x4, 0xb3, 0x50,...

0x32, 0xf4, 0x12, 0x5e, 0x9f, 0x70, 0x2, 0xfc, 0x64, 0xa9, 0x86, 0x94, 0x52, 0xe6, 0x99, 0x33, 0x92, 0xc, 0xd, 0xba, 0x9, 0x80, 0x70, 0x97, 0x3a, 0x47, 0x58, 0x38, 0x36, 0xb6, 0x6a, 0x6a, 0xc, 0xb8, 0xe1, 0xf8, 0x4c, 0x1e, 0x26, 0x82, 0x4, 0x6c, 0x5c, 0x9a, 0x91, 0x6, 0x48, 0xce, 0xe5, 0xd0, 0x9a, 0x7a, 0x51, 0xaa, 0xa7, 0x6a, 0x5, 0xc, 0xd4, 0x92, 0x27, 0xb0, 0x61, 0x6c, 0xe5, 0xda, 0x6a, 0x7c, 0x4c, 0xc, 0x9e, 0xb1, 0xa4, 0x78, 0xb1, 0x9c, 0xf1, 0x7f, 0x26, 0xba, 0xe4, 0x4f, 0x5c, 0x6d, 0x4, 0xb3, 0x50,...

        assertEquals(0x3, combined);

        combined = SecurityInfo.DACL_SECURITY_INFO | SecurityInfo.SACL_SECURITY_INFO;
        assertEquals(0xC, combined);

        // Test all standard security info combined
        int allStandard = SecurityInfo.OWNER_SECURITY_INFO | SecurityInfo.GROUP_SECURITY_INFO | SecurityInfo.DACL_SECURITY_INFO

        when(cfg.isTraceResourceUsage()).thenReturn(false);
        stubValidTree(6L, true, false); // SMB1

        SmbFileHandleImpl h = new SmbFileHandleImpl(cfg, 42, tree, "//s/share", 0xA, 0xB, 0xC, 0xD, 0L);

        long lastWrite = 123456789L;
        h.close(lastWrite);

        // Verify SMB1 close path uses request + response overload

0x83, 0x5a, 0xc6, 0x45, 0xd3, 0x17, 0x21, 0xe7, 0xa1, 0x98, 0x52, 0x88, 0xc, 0xc4, 0x4, 0xfe, 0x54, 0xbc, 0x2f, 0x2, 0x0, 0xc4, 0xd5, 0x83, 0xa4, 0x54, 0x79, 0x70, 0x65, 0x2, 0xa6, 0x44, 0x65, 0x6c, 0x4f, 0x62, 0x6a, 0x83, 0xa2, 0x49, 0x44, 0xc4, 0x10, 0x6a, 0x33, 0x51, 0xe3, 0x48, 0x0, 0x4e, 0xed, 0xab, 0x9, 0x21, 0xeb, 0x83, 0x5a, 0xc6, 0x45, 0xa5, 0x4d, 0x54, 0x69, 0x6d, 0x65, 0xd3, 0x17, 0x21, 0xe7, 0xa1, 0x98, 0x52, 0x88, 0xc, 0xa7, 0x4d, 0x65, 0x74, 0x61, 0x53, 0x79, 0x73, 0x82, 0xd9, 0x26, 0x78,...