}

    public void test_load_emptyList() {
        mockBhv.setTestData(new ArrayList<>());

        int count = relatedContentHelper.load();
        assertEquals(0, count);

        String[] results = relatedContentHelper.getRelatedContents("anyterm");
        assertEquals(0, results.length);
    }

    public void test_load_simpleTerms() {

        void testSizeCalculation(String path, int expectedSize) {
            buffer = new DfsReferralRequestBuffer(path, 3);

            assertEquals(expectedSize, buffer.size());
        }

        @Test
        @DisplayName("Should calculate size for Unicode characters")
        void testSizeWithUnicodeCharacters() {

        void testMaskSecretValueWithoutCredentials(String input) {
            // When
            String result = Strings.maskSecretValue(input);

            // Then
            assertEquals(input, result, "Should not modify non-matching strings");
        }

        @Test
        @DisplayName("maskSecretValue should handle null input")
        void testMaskSecretValueWithNull() {

 *
 * @author Kevin Bourrillion
 */
@NullMarked
@GwtCompatible
public class StringsTest extends TestCase {
  public void testNullToEmpty() {
    assertEquals("", Strings.nullToEmpty(null));
    assertEquals("", Strings.nullToEmpty(""));
    assertEquals("a", Strings.nullToEmpty("a"));
  }

  public void testEmptyToNull() {
    assertNull(Strings.emptyToNull(null));
    assertNull(Strings.emptyToNull(""));

     */
    @Test
    public void testAdd_int() throws Exception {
        final int[] array = new int[] { 1 };
        final int[] newArray = ArrayUtil.add(array, 2);
        assertThat(newArray.length, is(2));
        assertThat(newArray[0], is(1));
        assertThat(newArray[1], is(2));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testIndexOf() throws Exception {

public class MultisetAddTester<E> extends AbstractMultisetTester<E> {
  @CollectionFeature.Require(absent = SUPPORTS_ADD)
  public void testAddUnsupported() {
    assertThrows(UnsupportedOperationException.class, () -> getMultiset().add(e0()));
  }

  @CollectionFeature.Require(SUPPORTS_ADD)
  public void testAddMeansAddOne() {
    int originalCount = getMultiset().count(e0());
    assertTrue(getMultiset().add(e0()));

  @Test
  public void forGraph_breadthFirst_javadocExample_canBeIteratedMultipleTimes() {
    Iterable<Character> result = Traverser.forGraph(JAVADOC_GRAPH).breadthFirst('a');

    assertEqualCharNodes(result, "abcdef");
    assertEqualCharNodes(result, "abcdef");
  }

  @Test
  public void forGraph_breadthFirstIterable_javadocExample_canBeIteratedMultipleTimes() {

  @Test
  public void forGraph_breadthFirst_javadocExample_canBeIteratedMultipleTimes() {
    Iterable<Character> result = Traverser.forGraph(JAVADOC_GRAPH).breadthFirst('a');

    assertEqualCharNodes(result, "abcdef");
    assertEqualCharNodes(result, "abcdef");
  }

  @Test
  public void forGraph_breadthFirstIterable_javadocExample_canBeIteratedMultipleTimes() {

        return convertEmptyToNull(createdBy);
    }

    public void setCreatedBy(String value) {
        registerModifiedProperty("createdBy");
        this.createdBy = value;
    }

    public Long getCreatedTime() {
        checkSpecifiedProperty("createdTime");
        return createdTime;
    }

    public void setCreatedTime(Long value) {
        registerModifiedProperty("createdTime");

    public void test_getTika_hpp() {
        final InputStream in = ResourceUtil.getResourceAsStream("extractor/program/test.hpp");
        final ExtractData extractData = tikaExtractor.getText(in, null);
        final String content = extractData.getContent();
        CloseableUtil.closeQuietly(in);
        logger.info(content);
        assertTrue(content.contains("テスト"));
    }

    public void test_getTika_sh() {