// Test setting different max group depths
        authenticator.setMaxGroupDepth(5);
        authenticator.setMaxGroupDepth(20);
        authenticator.setMaxGroupDepth(1);

        // Verify method accepts valid values without exception
        assertTrue(true);
    }

    @Test
    public void test_setGroupCacheExpiry() {
        EntraIdAuthenticator authenticator = new EntraIdAuthenticator();

        UnsupportedSearchException exception = new UnsupportedSearchException("test message");

        assertNotNull(exception.getStackTrace());
        assertTrue(exception.getStackTrace().length > 0);

        // Verify the stack trace contains this test method
        boolean foundTestMethod = false;
        for (StackTraceElement element : exception.getStackTrace()) {

        assertFalse(filter.accept(mockDir, "image.png"), "Should reject non-.txt files");
        assertFalse(filter.accept(mockDir, null), "Should reject null names");

        // Verify getPath was called three times (once for each accept call)
        verify(mockDir, times(3)).getPath();
        verifyNoMoreInteractions(mockDir);
    }

    /**
     * Defensive behavior: implementation throws NPE on null inputs by design.
     */

import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;

import java.util.Arrays;
import java.util.Optional;

import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;

/**
 * Tests for {@link DosError}.  Since {@link DosError} only contains

    class InterfaceCompatibilityTests {

        @Test
        @DisplayName("Should verify AllocInfo extends FileSystemInformation")
        void testAllocInfoExtendsFileSystemInformation() {
            assertTrue(FileSystemInformation.class.isAssignableFrom(AllocInfo.class));
        }

        @Test
        @DisplayName("Should verify all implementations are AllocInfo")
        void testImplementationsAreAllocInfo() {

    @Override
    protected Iterator<T> newTargetIterator() {
      // make copy from master to verify later
      targetList = Lists.newArrayList(master);
      Iterator<T> iterator = targetList.iterator();
      return peekingIterator(iterator);
    }

    @Override
    protected void verify(List<T> elements) {
      // verify same objects were removed from reference and target
      assertEquals(elements, targetList);
    }
  }

   * involving any parameters to the calling method.
   *
   * @param expression a boolean expression
   * @throws IllegalStateException if {@code expression} is false
   * @see Verify#verify Verify.verify()
   */
  public static void checkState(boolean expression) {
    if (!expression) {
      throw new IllegalStateException();
    }
  }

  /**

        StackTraceElement[] stackTrace = exception.getStackTrace();

        assertNotNull(stackTrace);
        assertTrue(stackTrace.length > 0);

        // Verify the top of the stack trace is from this test class
        StackTraceElement topElement = stackTrace[0];
        assertEquals(this.getClass().getName(), topElement.getClassName());
    }

    @Test

        // Create new item for insertion
        ProtwordsItem newItem = new ProtwordsItem(0, "newWord");

        // Insert the item
        protwordsFile.insert(newItem);

        // Verify the item was added
        protwordsFile.reload(null);
        boolean found = false;
        PagingList<ProtwordsItem> list = protwordsFile.selectList(0, 100);
        for (ProtwordsItem item : list) {

        assertEquals(user3, result);
        assertEquals(1, chain1.loadCallCount);
        assertEquals(1, chain2.loadCallCount);
        assertEquals(1, chain3.loadCallCount);

        // Verify chained loading
        assertEquals(user, chain1.lastLoadedUser);
        assertEquals(user1, chain2.lastLoadedUser);
        assertEquals(user2, chain3.lastLoadedUser);
    }