t.Fatalf("errors happened when create: %v", err)
	}

	user.Languages = []Language{{Code: "zh-CN", Name: "Chinese"}, {Code: "en", Name: "English"}}
	for _, lang := range user.Languages {
		DB.Create(&lang)
	}
	user.Friends = []*User{{Name: "friend-1"}, {Name: "friend-2"}}

	if err := DB.Save(&user).Error; err != nil {
		t.Fatalf("errors happened when update: %v", err)
	}

	var user2 User

        StringBuilder sb = new StringBuilder();
        sb.append(dm).append(urlId);
        sb.append(dm).append(docId);
        sb.append(dm).append(order);
        sb.append(dm).append(queryId);
        sb.append(dm).append(queryRequestedAt);
        sb.append(dm).append(requestedAt);
        sb.append(dm).append(url);
        sb.append(dm).append(userSessionId);
        if (sb.length() > dm.length()) {

        buf.append(File.separator);
        buf.append(getExecuteType());
        buf.append(File.separator);
        buf.append("resources");
        buf.append(cpSeparator);
        // WEB-INF/classes
        buf.append("WEB-INF");
        buf.append(File.separator);
        buf.append("classes");
        // target/classes
        final String userDir = System.getProperty("user.dir");

        StringBuilder sb = new StringBuilder();
        sb.append(dm).append(configId);
        sb.append(dm).append(errorCount);
        sb.append(dm).append(errorLog);
        sb.append(dm).append(errorName);
        sb.append(dm).append(lastAccessTime);
        sb.append(dm).append(threadName);
        sb.append(dm).append(url);
        if (sb.length() > dm.length()) {
            sb.delete(0, dm.length());

                messageBuffer
                        .append("<configuration>")
                        .append(LS)
                        .append("  ...")
                        .append(LS);
                messageBuffer
                        .append("  <")
                        .append(alias)
                        .append(">VALUE</")
                        .append(alias)

        sb.append(message);

        if (message == null || !message.contains("from the specified remote repositories:")) {
            sb.append(LS);
            sb.append("  ")
                    .append(groupId)
                    .append(':')
                    .append(artifactId)
                    .append(':')
                    .append(type)
                    .append(':')
                    .append(version);

        sb.append("      id: ").append(getId()).append(LS);
        sb.append("      url: ").append(getUrl()).append(LS);
        sb.append("   layout: ").append(layout != null ? layout : "none");

        if (proxy != null) {
            sb.append(LS)
                    .append("    proxy: ")
                    .append(proxy.getHost())
                    .append(':')

   * control how the file is opened for writing. When no mode is provided, the file will be
   * truncated before writing. When the {@link FileWriteMode#APPEND APPEND} mode is provided, writes
   * will append to the end of the file without truncating it.
   *
   * @since 14.0
   */
  public static ByteSink asByteSink(File file, FileWriteMode... modes) {
    return new FileByteSink(file, modes);

            xml.append("        <artifactId>").append(parent.artifactId).append("</artifactId>\n");
            xml.append("        <version>").append(parent.version).append("</version>\n");
            xml.append("    </parent>\n");
        }

        if (groupId != null) {
            xml.append("    <groupId>").append(groupId).append("</groupId>\n");
        }
        if (artifactId != null) {

		unlockReturned <- struct{}{}
	}()

	timer := time.NewTimer(2 * testDrwMutexUnlockCallTimeout)
	defer timer.Stop()

	select {
	case <-unlockReturned:
		t.Fatal("Unlock timed out, which should not happen")
	case <-timer.C:
	}
}

// Borrowed from mutex_test.go
func HammerMutex(m *DRWMutex, loops int, cdone chan bool) {
	for range loops {
		m.Lock(id, source)
		m.Unlock(context.Background())
	}