NetworkExplorer spyExplorer = spy(networkExplorer);
        doNothing().when(spyExplorer).doFile(any(), any(), any());

        // Call the method
        spyExplorer.doFile(request, response, smbFile);

        // Verify the method was called
        verify(spyExplorer).doFile(eq(request), eq(response), eq(smbFile));
    }

    /**
     * Test doDirectory method directly - simplified test

     * @param req the HTTP servlet request
     * @param resp the HTTP servlet response
     * @param file the SMB file to download
     * @throws IOException if an I/O error occurs
     */
    protected void doFile(final HttpServletRequest req, final HttpServletResponse resp, final SmbFile file) throws IOException {
        final byte[] buf = new byte[8192];
        String url, type;
        int n;

     * @param req the HTTP servlet request
     * @param resp the HTTP servlet response
     * @param file the SMB file to download
     * @throws IOException if an I/O error occurs
     */
    protected void doFile(final HttpServletRequest req, final HttpServletResponse resp, final SmbFile file) throws IOException {
        final byte[] buf = new byte[8192];

        @SuppressWarnings("resource")

	files := []usageTestFile{
		{name: "rootfile", size: 10000},
		{name: "rootfile2", size: 10000},
		{name: "dir1/d1file", size: 2000},
		{name: "dir2/d2file", size: 300},
		{name: "dir1/dira/dafile", size: 100000},
		{name: "dir1/dira/dbfile", size: 200000},
		{name: "dir1/dira/dirasub/dcfile", size: 1000000},
		{name: "dir1/dira/dirasub/sublevel3/dccccfile", size: 10},
	}
	createUsageTestFiles(t, base, bucket, files)

  }

  static final ImmutableSet<Double> INTEGRAL_DOUBLE_CANDIDATES;
  static final ImmutableSet<Double> FRACTIONAL_DOUBLE_CANDIDATES;
  static final Iterable<Double> INFINITIES =
      Doubles.asList(Double.POSITIVE_INFINITY, Double.NEGATIVE_INFINITY);
  static final Iterable<Double> FINITE_DOUBLE_CANDIDATES;
  static final Iterable<Double> POSITIVE_FINITE_DOUBLE_CANDIDATES;

     */
    public double getAverageReadLatencyMicros() {
        long reads = rdmaReads.get();
        if (reads == 0) {
            return 0.0;
        }
        return totalReadTime.get() / (double) reads / 1000.0; // Convert to microseconds
    }

    /**
     * Calculate average write latency in microseconds
     *
     * @return average write latency
     */
    public double getAverageWriteLatencyMicros() {

    double expectedReportedFpp = (double) knownNumberOfFalsePositives / numInsertions;
    double actualReportedFpp = bf.expectedFpp();
    assertThat(actualReportedFpp).isWithin(0.00033).of(expectedReportedFpp);
  }

  /** Sanity checking with many combinations of false positive rates and expected insertions */
  public void testBasic() {
    for (double fpr = 0.0000001; fpr < 0.1; fpr *= 10) {

    final double slope;
    final double yIntercept;

    @LazyInit @Nullable LinearTransformation inverse;

    RegularLinearTransformation(double slope, double yIntercept) {
      this.slope = slope;
      this.yIntercept = yIntercept;
      this.inverse = null; // to be lazily initialized
    }

    RegularLinearTransformation(double slope, double yIntercept, LinearTransformation inverse) {

        assertNull(result);
    }

    @Test
    void testGetByNameWithValidEntry() throws IOException {
        // Create a temporary lmhosts file
        File lmhostsFile = tempDir.resolve("lmhosts").toFile();
        try (FileWriter writer = new FileWriter(lmhostsFile)) {
            writer.write("192.168.1.100 TESTHOST\n");
            writer.write("10.0.0.1      SERVER01\n");
        }

    double expectedReportedFpp = (double) knownNumberOfFalsePositives / numInsertions;
    double actualReportedFpp = bf.expectedFpp();
    assertThat(actualReportedFpp).isWithin(0.00033).of(expectedReportedFpp);
  }

  /** Sanity checking with many combinations of false positive rates and expected insertions */
  public void testBasic() {
    for (double fpr = 0.0000001; fpr < 0.1; fpr *= 10) {