List<String> result = options.getWebConfigIdList();
        assertNull(result);
    }

    public void test_Options_getWebConfigIdList_withEmpty() {
        Crawler.Options options = new Crawler.Options();
        options.webConfigIds = "";

        List<String> result = options.getWebConfigIdList();
        assertNull(result);
    }

    public void test_Options_getFileConfigIdList_withValidIds() {

        ViewHelper.ActionHook actionHook = new ViewHelper.ActionHook();

        try {
            assertNull(actionHook.godHandPrologue(null, runtime -> null));
            assertNull(actionHook.godHandMonologue(null, runtime -> null));
            actionHook.godHandEpilogue(null, runtime -> {});
            assertNull(actionHook.hookBefore(null, runtime -> null));
            actionHook.hookFinally(null, runtime -> {});

    }

    public void test_nullHandling() {
        // Test with null ParseException
        QueryParseException queryParseException = new QueryParseException(null);
        assertNotNull(queryParseException);
        assertNull(queryParseException.getCause());
        // getMessage() may return null when constructed with null
        // This is expected behavior for exceptions with null cause
    }

    public void test_nestedCause() {

            } catch (Exception e) {
                exceptionHolder[0] = e;
            }
        });

        thread.start();
        thread.join();

        assertNull(exceptionHolder[0]);
        assertNotNull(clientHolder[0]);
    }

    // Test repeated instantiation
    public void test_repeatedInstantiation() {
        // Test that repeated instantiation works correctly

    for (int i = 0; i < getNumElements(); i++) {
      assertTrue(
          "toArray(overSizedE[]) should contain element " + expectedSubArray[i],
          subArray.contains(expectedSubArray[i]));
    }
    assertNull(
        "The array element immediately following the end of the collection should be nulled",
        array[getNumElements()]);
    // array[getNumElements() + 1] might or might not have been nulled
  }

        assertNull(result);
    }

    // Test getThumbnailFile with blank path
    public void test_getThumbnailFile_blankPath() {
        Map<String, Object> docMap = new HashMap<>();
        // No _id field, so docid will be null

        File result = thumbnailManager.getThumbnailFile(docMap);
        assertNull(result);
    }

    // Test add generator available

    assertTrue(future.isDone());
    assertTrue(future.isCancelled());
  }

  public void testAwaitClear() {
    WeakReference<Object> ref = new WeakReference<>(new Object());
    GcFinalization.awaitClear(ref);
    assertNull(ref.get());
  }

  public void testAwaitDone_finalizationPredicate() {
    WeakHashMap<Object, Object> map = new WeakHashMap<>();
    map.put(new Object(), Boolean.TRUE);
    GcFinalization.awaitDone(

  public void testCreateParentDirs_root() throws IOException {
    File file = root();
    assertNull(file.getParentFile());
    assertNull(file.getCanonicalFile().getParentFile());
    Files.createParentDirs(file);
  }

  public void testCreateParentDirs_relativePath() throws IOException {
    File file = file("nonexistent.file");
    assertNull(file.getParentFile());
    assertNotNull(file.getCanonicalFile().getParentFile());

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;

import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.charset.StandardCharsets;

package jcifs.internal;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.Mockito.atLeastOnce;
import static org.mockito.Mockito.doNothing;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;