// Should pass without exception
    }

    @Test
    public void testValidPath() throws Exception {
        validator.validatePath("\\share\\folder\\file.txt");
        validator.validatePath("C:\\Windows\\System32");
        validator.validatePath(null); // Null should be allowed
        validator.validatePath(""); // Empty should be allowed
    }

    @Test

            jcifs.internal.smb1.com.SmbComReadAndX req = cap.getValue();
            assertEquals(1024, req.getMinCount(), "Named pipe minCount should be 1024");
            assertEquals(1024, req.getMaxCount(), "Named pipe maxCount should be 1024");
            assertEquals(1024, req.getRemaining(), "Named pipe remaining should be 1024");
        }
    }

    @Nested
    @DisplayName("Lifecycle and exception mapping")

        List<FileNotifyInformation> result = sut.watch();

        assertNull(result, "Cancelled watch should return null");
        verify(tree, times(1)).close();
    }

    // Error code 0x10C should clear the notify list and return it
    @Test
    @DisplayName("watch() clears notify list on error 0x10C and returns it")

  @MapFeature.Require(SUPPORTS_PUT)
  public void testComputeIfPresent_supportedAbsent() {
    assertNull(
        "computeIfPresent(notPresent, function) should return null",
        getMap()
            .computeIfPresent(
                k3(),
                (k, v) -> {
                  throw new AssertionFailedError();
                }));
    expectUnchanged();
  }

        // With enforcement disabled, this should log a warning but not throw
        PreauthIntegrityService lenientService = new PreauthIntegrityService(secureRandom, PreauthIntegrityService.HASH_ALGO_SHA512, false);

        // Should not throw exception
        lenientService.updatePreauthHash("non-existent", "test".getBytes());

        // With enforcement enabled, should throw exception

   * Helper to assert common expected behaviour of uri escapers. You should call
   * assertBasicUrlEscaper() unless the escaper explicitly does not escape '%'.
   */
  static void assertBasicUrlEscaperExceptPercent(UnicodeEscaper e) {
    // URL escapers should throw null pointer exceptions for null input
    try {
      e.escape((String) null);
      fail("Escaping null string should throw exception");
    } catch (NullPointerException x) {

        // Set to null
        CrawlingParameterUtil.setUrlQueue(null);

        // Should be null now
        assertNull(CrawlingParameterUtil.getUrlQueue());
    }

    public void test_crawlerContext_setAndGet() {
        // Initially should be null
        assertNull(CrawlingParameterUtil.getCrawlerContext());

        // Create and set a CrawlerContext

        int attrs = SmbConstants.ATTR_NORMAL;

        // Act
        SmbFileHandleImpl result = SmbCopyUtil.openCopyTargetFile(dest, attrs, alsoRead);

        // Assert
        assertSame(handle, result, "Should return handle from dest.openUnshared");

        ArgumentCaptor<Integer> accessCaptor = ArgumentCaptor.forClass(Integer.class);

        when(smbFile.length()).thenReturn(-1L);
        assertFalse(filter.accept(smbFile), "Negative size should be rejected");
        verify(smbFile, times(1)).length();

        // zero size -> reject
        reset(smbFile);
        when(smbFile.length()).thenReturn(0L);
        assertFalse(filter.accept(smbFile), "Zero size should be rejected");
        verify(smbFile, times(1)).length();

        // positive size -> accept

  @MapFeature.Require(SUPPORTS_PUT)
  public void testComputeIfPresent_supportedAbsent() {
    assertNull(
        "computeIfPresent(notPresent, function) should return null",
        getMap()
            .computeIfPresent(
                k3(),
                (k, v) -> {
                  throw new AssertionFailedError();
                }));
    expectUnchanged();
  }