// And it should still be zeroed
        for (byte value : reused) {
            assertEquals(0, value, "Reused buffer must be zeroed");
        }
    }

    // Edge: cache size 0 means nothing is cached; release still zeroes argument
    @Test
    @DisplayName("Cache size 0: release zeroes but does not cache; getBuffer allocates new")
    void zeroSizedCacheDoesNotStore() {

        // Context handle is modified by the server (typically zeroed out)
        if (contextHandle == null) {
            contextHandle = new byte[20];
        }
        buf.readOctetArray(contextHandle, 0, 20);
    }

    /**
     * Checks if the context handle has been invalidated (all zeros).
     * A successful unregistration typically results in a zeroed context handle.
     *

        assertEquals((byte) 0x53, aad[2]);
        assertEquals((byte) 0xFD, aad[3]);

        // Verify signature is zeroed out (16 bytes of zeros)
        for (int i = 4; i < 20; i++) {
            assertEquals(0, aad[i], "Signature bytes should be zero in AAD");
        }

        // Verify nonce matches at position 20
        for (int i = 0; i < 16; i++) {

        // When
        int bytesWritten = request.writeBytesWireFormat(buffer, 0);

        // Then
        assertTrue(bytesWritten > 0);

        // Verify negotiate context offset/count area is zeroed
        assertEquals(0, SMBUtil.readInt8(buffer, 28));
    }

    @Test
    @DisplayName("Should read empty bytes from wire format")
    void testReadBytesWireFormat() {
        // Given

      if (!civilizedFileSystem && (currentEditor != null || zombie)) return null

      val sources = mutableListOf<Source>()
      val lengths = this.lengths.clone() // Defensive copy since these can be zeroed out.
      try {
        for (i in 0 until valueCount) {
          sources += newSource(i)
        }
        return Snapshot(key, sequenceNumber, sources, lengths)
      } catch (_: FileNotFoundException) {

        @Test
        @DisplayName("Should handle source key with all zeros")
        void testSourceKeyAllZeros() {
            // Given
            byte[] zeroKey = new byte[SOURCE_KEY_SIZE]; // All zeros by default
            SrvCopychunk chunk = new SrvCopychunk(1, 2, 3);
            SrvCopychunkCopy copy = new SrvCopychunkCopy(zeroKey, chunk);
            byte[] buffer = new byte[100];

            // When

    // The response structure is reserved and must be zero (8 bytes)
    private byte[] reserved = new byte[8];

    /**
     * Create a new durable handle response
     */
    public DurableHandleResponse() {
        // Reserved field initialized to zeros
    }

    @Override
    public byte[] getName() {
        return CONTEXT_NAME_BYTES;
    }

        assertEquals(0, response.getCapabilities(), "Capabilities should be zero");
        assertArrayEquals(new byte[16], response.getServerGuid(), "Server GUID should be all zeros");
        assertEquals(0, response.getSecurityMode(), "Security mode should be zero");
        assertEquals(0, response.getDialect(), "Dialect should be zero");
    }

    @Test
    @DisplayName("Test decode with maximum values")

   * addresses, the output follows <a href="http://tools.ietf.org/html/rfc5952">RFC 5952</a> section
   * 4. The main difference is that this method uses "::" for zero compression, while Java's version
   * uses the uncompressed form (except on Android, where the zero compression is also done). The
   * other difference is that this method outputs any scope ID in the format that it was provided at

        messageBlock.setMid(minMid);
        assertEquals(minMid, messageBlock.getMid());

        // Test with zero
        long zeroMid = 0L;
        doNothing().when(messageBlock).setMid(zeroMid);
        when(messageBlock.getMid()).thenReturn(zeroMid);

        messageBlock.setMid(zeroMid);
        assertEquals(zeroMid, messageBlock.getMid());
    }

    @Test
    @DisplayName("Test setCommand and getCommand methods")