}

  @Test
  public void copyOfImmutableNetwork_optimized() {
    Network<String, String> network1 =
        ImmutableNetwork.copyOf(NetworkBuilder.directed().<String, String>build());
    Network<String, String> network2 = ImmutableNetwork.copyOf(network1);

    assertThat(network2).isSameInstanceAs(network1);
  }

  @Test
  public void edgesConnecting_directed() {

import java.util.List;
import java.util.Map;

import org.junit.Test;

/**
 * @author higa
 */
public class MethodUtilTest {

    /**
     * @throws Exception
     */
    @Test
    public void testIsEqualsMethod() throws Exception {
        final Method equalsMethod = ClassUtil.getMethod(getClass(), "equals", Object.class);
        assertThat(MethodUtil.isEqualsMethod(equalsMethod), is(true));

    }

    @Override
    public void setUp() throws Exception {
        super.setUp();
    }

    // Test annotation presence and structure
    public void test_annotationPresence() {
        assertTrue("CustomSize should be an annotation", CustomSize.class.isAnnotation());
    }

    // Test annotation retention policy
    public void test_retentionPolicy() {

    }

    public void test_init() {
        DuplicateHostHelper helper = new DuplicateHostHelper();

        try {
            helper.init();
            assertNotNull(helper.duplicateHostList);
        } catch (Exception e) {
            fail("init() should not throw an exception: " + e.getMessage());
        }
    }

    public void test_setDuplicateHostList() {

/**
 * @author shinsuke
 *
 */
public class UrlFilterImplTest extends PlainTestCase {
    public UrlFilterImpl urlFilter;

    public MemoryDataHelper dataHelper;

    @Override
    protected void setUp() throws Exception {
        super.setUp();
        StandardCrawlerContainer container = new StandardCrawlerContainer().singleton("dataHelper", MemoryDataHelper.class)//

public class CurlExceptionTest {

    @Test
    public void testConstructorWithMessage() {
        String message = "Test error message";
        CurlException exception = new CurlException(message);

        assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
        assertTrue(exception instanceof RuntimeException);
    }

    @Test
    public void testConstructorWithMessageAndCause() {

  private File rootDir;

  @Override
  public void setUp() throws IOException {
    rootDir = createTempDir();
  }

  public void testFileTraverser_emptyDirectory() throws Exception {
    assertThat(Files.fileTraverser().breadthFirst(rootDir)).containsExactly(rootDir);
  }

  public void testFileTraverser_nonExistingFile() throws Exception {

    }

    /**
     * Prints thread dump information to the logger at INFO level.
     */
    public static void printThreadDump() {
        processThreadDump(logger::info);
    }

    /**
     * Prints thread dump information to the logger at WARN level.
     */
    public static void printThreadDumpAsWarn() {
        processThreadDump(logger::warn);
    }

    /**

        return createdTime;
    }

    public void setCreatedTime(Long value) {
        registerModifiedProperty("createdTime");
        this.createdTime = value;
    }

    public Long getExpiredTime() {
        checkSpecifiedProperty("expiredTime");
        return expiredTime;
    }

    public void setExpiredTime(Long value) {
        registerModifiedProperty("expiredTime");

        return convertEmptyToNull(crawlingInfoId);
    }

    public void setCrawlingInfoId(String value) {
        registerModifiedProperty("crawlingInfoId");
        this.crawlingInfoId = value;
    }

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

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