a.setSubject(new Subject());
            return a;
        }
        case WITH_CONFIG: {
            // Use the constructor that sets a StaticJAASConfiguration to exercise that branch
            return new JAASAuthenticator(new HashMap<String, String>(), "DOM", "user", "pass");
        }
        case DEFAULT_NO_PS:
        default:
            return new JAASAuthenticator();
        }
    }

        stream(ComponentUtil.getVirtualHostHelper().getVirtualHostPaths())
                .of(stream -> stream.filter(s -> s != null && !"/".equals(s)).forEach(key -> {
                    designJspFileNameMap.entrySet().stream().forEach(e -> {
                        final File jspFile = getDesignJspFile("/WEB-INF/view" + key + "/" + e.getValue());
                        if (!jspFile.exists()) {

   *
   * {@snippet :
   * static final ImmutableGraph<Country> COUNTRY_ADJACENCY_GRAPH =
   *     GraphBuilder.undirected()
   *         .<Country>immutable()
   *         .putEdge(FRANCE, GERMANY)
   *         .putEdge(FRANCE, BELGIUM)
   *         .putEdge(GERMANY, BELGIUM)
   *         .addNode(ICELAND)
   *         .build();
   * }
   *

      // should never reach here!
      throw new UnsupportedOperationException();
    }

    @Override
    public Entry<K, V> belowSamplesGreater() {
      // should never reach here!
      throw new UnsupportedOperationException();
    }

    @Override
    public Entry<K, V> aboveSamplesLesser() {
      // should never reach here!
      throw new UnsupportedOperationException();

    assertThat(client.connectionPool.connectionCount()).isEqualTo(2)
    val c0e0 = server.takeRequest()
    assertThat(c0e0.connectionIndex).isEqualTo(0) // Fresh connection.
    val c1e0 = server.takeRequest()
    assertThat(c1e0.connectionIndex).isEqualTo(1) // Fresh connection.
  }

  /**
   * Check we would use an existing connection to a later DNS result instead of connecting to the
   * first DNS result for the first time.

        /**
         * Verifies that isStale returns false for a fresh handle.
         */
        @Test
        public void testIsStale_ReturnsFalseWhenNotStale() {
            when(smbPipeHandle.isStale()).thenReturn(false);
            assertFalse(smbPipeHandle.isStale(), "isStale() should return false for a fresh handle.");
        }

        /**

        final String roleField = fessConfig.getIndexFieldRole();
        roleSet.stream().forEach(name -> roleQuery.should(QueryBuilders.termQuery(roleField, name)));
        final String deniedPrefix = fessConfig.getRoleSearchDeniedPrefix();
        roleSet.stream().forEach(name -> roleQuery.mustNot(QueryBuilders.termQuery(roleField, deniedPrefix + name)));
        boolQuery.filter(roleQuery);
    }

        final EsPagingResultBean<RESULT> list = new EsPagingResultBean<>(builder);
        final SearchHits searchHits = getSearchHits(response);
        searchHits.forEach(hit -> {
            final Map<String, Object> source = hit.getSourceAsMap();
            final RESULT entity = createEntity(source, entityType);
            final DocMeta docMeta = ((EsAbstractEntity) entity).asDocMeta();

        // Act + Assert
        assertThrows(NullPointerException.class, () -> SmbCopyUtil.openCopyTargetFile(dest, SmbConstants.ATTR_NORMAL, false));
    }

    // --- Tests for copyFile exception handling branch ---

    @Nested
    class CopyFileExceptions {

        private SmbTreeHandleImpl newTreeHandle(boolean isSmb2) throws Exception {
            SmbTreeHandleImpl th = mock(SmbTreeHandleImpl.class);

            stream(parameter.getSuggestFields()).of(stream -> stream.forEach(builder::addField));
            roleQueryHelper.build(SearchRequestType.SUGGEST).stream().forEach(builder::addRole);
            builder.setSize(parameter.getNum());
            stream(langs).of(stream -> stream.forEach(builder::addLang));

            stream(parameter.getTags()).of(stream -> stream.forEach(builder::addTag));