the network is not). Therefore, let's concentrate on the state where no
  network <beyond localhost> exists, and leave the more extreme state to users
  to diagnose and correct as necessary.

* Why is Offline Mode Important?

  Offline mode is essential for breaking the requirement that m2 operate in a
  network-connected environment. It means legitimizing a development environment

				pop := dirStack[len(dirStack)-1]
				select {
				case <-ctx.Done():
					return ctx.Err()
				case out <- metaCacheEntry{name: pop}:
				}
				if opts.Recursive {
					// Scan folder we found. Should be in correct sort order where we are.
					err := scanDir(pop)
					if err != nil {
						if errors.Is(err, context.Canceled) {
							return err
						}
						internalLogIf(ctx, err)
					}
				}

        }
    }

    @Nested
    @DisplayName("Size Calculation Tests")
    class SizeTests {

        @ParameterizedTest
        @DisplayName("Should calculate correct size for various path lengths")
        @CsvSource({ "'', 4", "'a', 6", "'\\\\', 8", "'\\\\server', 20", "'\\\\server\\share', 32", "'\\\\server\\share\\path', 42",

            int terminationPos = Strings.findUNITermination(bufferWithTermination, 0, bufferWithTermination.length);

            // Then
            assertEquals(stringBytes.length, terminationPos, "Should find termination at correct position");
        }

        @Test
        @DisplayName("findUNITermination should throw exception when termination not found")
        void testFindUNITerminationNotFound() {
            // Given

     */
    public void setHeartbeatInterval(long heartbeatInterval) {
        this.heartbeatInterval = heartbeatInterval;
    }

    /**
     * Validates that the heartbeat response is correct.
     * The response sequence number should match the request sequence number.
     *
     * @return true if the response is valid
     */
    public boolean isValidResponse() {

        decoded.decode(buf);
        assertEquals(expected, decoded.value, "decoded value should match original after masking");
    }

    /**
     * Verify that encode writes the correct little-endian sequence
     * to the buffer and that alignment is respected.
     */
    @Test
    void encodeWritesCorrectBytesAndAlignment() throws NdrException {

        }
    }

    @Nested
    @DisplayName("Command Constants Tests")
    class CommandConstantsTests {

        @Test
        @DisplayName("Should have correct command constants")
        void testCommandConstants() {
            assertEquals(0x00, ServerMessageBlock2.SMB2_NEGOTIATE);
            assertEquals(0x01, ServerMessageBlock2.SMB2_SESSION_SETUP);

    }

    public void test_temp_file_creation() {
        // Test that temp file uses correct prefix "S3Client" not "StorageClient"
        S3Client client = new S3Client() {
            @Override
            protected java.io.File createTempFile(String prefix, String suffix, java.io.File directory) {
                // Verify the prefix is correct
                assertEquals("crawler-S3Client-", prefix);

        assertTrue(ex.getMessage().contains("failed"));
        verify(session).treeConnectLogon();
    }

    // Happy path: getSmbTree returns a tree and receives correct args
    @Test
    @DisplayName("getSmbTree returns tree and captures arguments")
    void getSmbTree_happy() {
        when(session.getSmbTree(anyString(), anyString())).thenReturn(tree);

      return super.toString();
    }

    private static final long serialVersionUID = 0;
  }

  /*
   * This is somewhat of a weak test; we verify that all of the methods are
   * correct, but not that they're actually forwarding correctly. We also rely
   * on the other tests (e.g., SynchronizedSetTest) to verify that the
   * collection views are synchronized correctly.
   */

  public void testSize() {