when(filter.accept(resource)).thenReturn(false, true);

        TestIterator iterator = new TestIterator(filter);

        // Verify iteration
        assertTrue(iterator.hasNext());
        assertSame(resource, iterator.next());
        assertFalse(iterator.hasNext());

        // Both resources should be closed
        verify(filter, times(2)).accept(resource);

        // Verify filter interactions: not called for '.' and '..', called for others
        verify(nameFilter, never()).accept(parent, ".");
        verify(nameFilter, never()).accept(parent, "..");
        ArgumentCaptor<String> nameCaptor = ArgumentCaptor.forClass(String.class);
        verify(nameFilter, atLeast(1)).accept(eq(parent), nameCaptor.capture());

        when(mockDelegate.next()).thenReturn(mockFileEntry1, mockFileEntry2, mockFileEntry3);

        // Create a mock filter that accepts file1 and file3 but not file2
        when(mockFilter.accept(mockResource1)).thenReturn(true);
        when(mockFilter.accept(mockResource2)).thenReturn(false);
        when(mockFilter.accept(mockResource3)).thenReturn(true);

import com.google.common.base.Preconditions;
import java.io.File;
import java.io.FilenameFilter;
import java.util.regex.Pattern;
import java.util.regex.PatternSyntaxException;

/**
 * File name filter that only accepts files matching a regular expression. This class is thread-safe
 * and immutable.
 *
 * @author Apple Chow
 * @since 1.0
 */
@J2ktIncompatible
@GwtIncompatible

        // Threshold of 0 should be accepted
        request.threshold(0);

        assertEquals(0, request.threshold());
    }

    @Test
    public void testThresholdWithNegative() {
        CurlRequest request = new CurlRequest(Method.GET, "https://example.com");

        // Negative threshold should be accepted (though may not make sense)
        request.threshold(-1);

     * using the provided lambda function to populate the favorite log data.
     *
     * @param userCode the unique code identifying the user
     * @param favoriteLogLambda a lambda function that accepts UserInfo and FavoriteLog to populate the favorite log data
     * @return true if the URL was successfully added to favorites, false if the user was not found
     */

    }

    /**
     * Creates an instance of {@link XPath} using the provided {@link Consumer} to configure the {@link XPathFactory}.
     *
     * @param builder a {@link Consumer} that accepts an {@link XPathFactory} and configures it.
     * @return a configured instance of {@link XPath}.
     * @throws CrawlerSystemException if an error occurs while creating the {@link XPath} instance.
     */

Contributing
============

Keeping the project small and stable limits our ability to accept new contributors. We are not
seeking new committers at this time, but some small contributions are welcome.

If you've found a security problem, please follow our [bug bounty][security] program.

If you've found a bug, please contribute a failing test case so we can study and fix it.

If you have a new feature idea, please build it in an external library. There are

Contributing
============

Keeping the project small and stable limits our ability to accept new contributors. We are not
seeking new committers at this time, but some small contributions are welcome.

If you've found a security problem, please follow our [bug bounty][security] program.

If you've found a bug, please contribute a failing test case so we can study and fix it.

If you have a new feature idea, please build it in an external library. There are

   *
   * <p>This deliberately avoids all nameservice lookups (e.g. no DNS).
   *
   * <p>This method accepts non-ASCII digits, for example {@code "１９２.１６８.０.１"} (those are fullwidth
   * characters). That is consistent with {@link InetAddress}, but not with various RFCs. If you
   * want to accept ASCII digits only, you can use something like {@code
   * CharMatcher.ascii().matchesAllOf(ipString)}.
   *