// OkHttp does not reject invalid Punycode.
      "xn--a",
      "xn--a.ß",
      "xn--a.xn--zca",
      "xn--a-yoc",
      // OkHttp doesn't reject U+FFFD encoded in Punycode.
      "xn--zn7c.com",
      // OkHttp doesn't reject a U+200D. https://www.rfc-editor.org/rfc/rfc5892.html#appendix-A.2
      "xn--1ug.example",

        assertTrue(result, "Filter should accept any provided name");
        verifyNoInteractions(mockDir);
    }

    /**
     * Happy-path: a filter that rejects any name.
     */
    @ParameterizedTest
    @DisplayName("rejects every provided name")
    @ValueSource(strings = { "file.txt", "data.DAT", "a", "", "   " })
    void rejectsAnyNameReturnsFalse(String input) throws Exception {

3. If the daemon is not able to run the request, for example it is already running a request or is shutting down, it rejects the request. The client starts again.
4. The daemon runs the request, sending back data such as logging output or tooling API events and intermediate models while doing so.

import java.util.Set;
import okhttp3.CertificatePinner;
import okhttp3.Interceptor;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

public final class CheckHandshake {
  /** Rejects otherwise-trusted certificates. */
  private static final Interceptor CHECK_HANDSHAKE_INTERCEPTOR = new Interceptor() {
    final Set<String> denylist = Collections.singleton(

        // negative size -> reject
        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();

        assertFalse(itr.hasNext());
    }

    @Test
    @DisplayName("Filter rejects first, accepts second; interactions verified")
    void filterRejectsThenAccepts_nextYieldsAccepted() throws Exception {
        // Arrange: two entries; filter rejects first, accepts second
        setupParentForUrlCreation();
        StubFileEntry skip = new StubFileEntry("SKIPME", SmbConstants.TYPE_SERVER);

        assertNull(request.getUserPrincipal());
        assertEquals("NTLM", request.getAuthType());
    }

    @Test
    @DisplayName("constructor rejects null HttpServletRequest")
    void testConstructorWithNullHttpRequest(@Mock Principal mockPrincipal) {
        // HttpServletRequestWrapper throws IllegalArgumentException for null request

            assertEquals(SmbPipeResource.PIPE_TYPE_RDWR, pipe.getPipeType(), "Pipe type should match constructor");
        }

        @ParameterizedTest
        @DisplayName("Rejects non-IPC$ URLs")
        @ValueSource(strings = { "smb://server/C$/foo", "smb://server/public/foo", "smb://server/share/path" })
        void rejectsNonIpcShare(String url) {
            // Arrange & Act & Assert

    return Sets.newHashSetWithExpectedSize(expectedSize);
  }

  static <E extends @Nullable Object> Set<E> newConcurrentHashSet() {
    // GWT's ConcurrentHashMap is a wrapper around HashMap, but it rejects null keys, which matches
    // the behaviour of the non-GWT implementation of newConcurrentHashSet().
    // On the other hand HashSet might be better for code size if apps aren't

                }
            } else if (className.equals(allowedPattern)) {
                return ObjectInputFilter.Status.ALLOWED;
            }
        }

        // Reject everything else
        return ObjectInputFilter.Status.REJECTED;
    };

    /**
     * Tests if the object can be serialized.
     *
     * @param obj the object to be serialized (must not be {@literal null})