assertSame(crawlJob, result);
    }

    // Test webConfigIds setter
    public void test_webConfigIds() {
        String[] testIds = { "web1", "web2", "web3" };
        CrawlJob result = crawlJob.webConfigIds(testIds);
        assertArrayEquals(testIds, crawlJob.webConfigIds);
        assertSame(crawlJob, result);

        // Test with null
        result = crawlJob.webConfigIds(null);

    }

    public void test_ProtwordsUpdater_fileCreationException() {
        // This test verifies that ProtwordsUpdater constructor properly handles exceptions
        // The actual exception handling is tested by ensuring the updater can be created
        // and properly closed even when errors might occur

        protwordsFile.reload(null);

        // Test normal creation and cleanup of ProtwordsUpdater

                    <version>24</version>
                    <vendor>temurin</vendor>
                  </jdk>
                  <testJdk>
                    <version>${surefire.toolchain.version}</version>
                    <vendor>temurin</vendor>
                  </testJdk>
                </toolchains>
              </configuration>
            </execution>
          </executions>
        </plugin>

                    <version>24</version>
                    <vendor>temurin</vendor>
                  </jdk>
                  <testJdk>
                    <version>${surefire.toolchain.version}</version>
                    <vendor>temurin</vendor>
                  </testJdk>
                </toolchains>
              </configuration>
            </execution>
          </executions>
        </plugin>

        ? Predicates.<T>isNull()
        : new IsEqualToPredicate(target).withNarrowedType();
  }

  /**
   * Returns a predicate that evaluates to {@code true} if the object being tested is an instance of
   * the given class. If the object being tested is {@code null} this predicate evaluates to {@code
   * false}.
   *
   * <p>If you want to filter an {@code Iterable} to narrow its type, consider using {@link

        return parent.isEmpty();
    }

    /**
     * Returns true if this map contains a mapping for the specified key.
     *
     * @param key the key whose presence in this map is to be tested
     * @return true if this map contains a mapping for the specified key
     */
    @Override
    public boolean containsKey(final Object key) {
        return parent.containsKey(key);
    }

    /**

 * public class Books {
 *   public static Book hardcover(String title) {...}
 *   public static Book paperback(String title) {...}
 * }
 * </pre>
 *
 * <p>And all the created {@code Book} instances can be tested with:
 *
 * <pre>
 * new ClassSanityTester()
 *     .forAllPublicStaticMethods(Books.class)
 *     .thatReturn(Book.class)
 *     .testEquals(); // or testNulls(), testSerializable() etc.
 * </pre>
 *

import org.jspecify.annotations.NullUnmarked;

/**
 * Unit test for {@link Files}.
 *
 * <p>Some methods are tested in separate files:
 *
 * <ul>
 *   <li>{@link Files#fileTraverser()} is tested in {@link FilesFileTraverserTest}.
 *   <li>{@link Files#createTempDir()} is tested in {@link FilesCreateTempDirTest}.
 * </ul>
 *
 * @author Chris Nokleberg
 */

    assertEquals(2, copy.size());
    assertSame(copy, copy.iterator().next().member);
  }

  /*
   * The behavior of toString() and iteration is tested by LinkedHashMultiset,
   * which shares a lot of code with HashMultiset and has deterministic
   * iteration order.
   */

import org.jspecify.annotations.NullUnmarked;

/**
 * Unit test for {@link Files}.
 *
 * <p>Some methods are tested in separate files:
 *
 * <ul>
 *   <li>{@link Files#fileTraverser()} is tested in {@link FilesFileTraverserTest}.
 *   <li>{@link Files#createTempDir()} is tested in {@link FilesCreateTempDirTest}.
 * </ul>
 *
 * @author Chris Nokleberg
 */