// 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

        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

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