content: /*
   * Copyright (C) 2016 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  import java.lang.annotation.Annotation;
  
  public class AnnotationTestHelpers {
    // Provide custom print function that print a deterministic output.
    // Note that Annotation#toString has unspecified order: it prints out the
    // fields, which is why we can't rely on it.
  
    public static String asString(Annotation anno) {
      if (anno instanceof Calendar) {
        return asString((Calendar)anno);
      } else if (anno instanceof Calendars) {
        return asString((Calendars)anno);
      } else {
        if (anno == null) {
          return "<null>";
        }
        // Fall-back, usually would only go here in a test failure.
        return anno.toString();
      }
    }
  
    public static String asString(Annotation[] annos) {
      String msg = "";
  
      if (annos == null) {
        msg += "<null>";
      } else if (annos.length == 0) {
        msg += "<empty>";
      } else {
        for (int i = 0; i < annos.length; ++i) {
          msg += asString(annos[i]);
  
          if (i != annos.length - 1) {
            msg += ", ";
          }
        }
      }
  
      return msg;
    }
  
    public static String asString(Calendar calendar) {
      if (calendar == null) {
        return "<null>";
      }
  
      return "@Calendar(dayOfMonth=" + calendar.dayOfMonth() + ", dayOfWeek=" +
        calendar.dayOfWeek() + ", hour=" + calendar.hour() + ")";
    }
  
    public static String asString(Calendars calendars) {
      if (calendars == null) {
        return "<null>";
      }
  
      String s = "@Calendars(value=[";
  
      Calendar[] allValues = calendars.value();
      for (int i = 0; i < allValues.length; ++i) {
        s += asString(allValues[i]);
        if (i != allValues.length - 1) {
          s += ", ";
        }
      }
  
      s += "])";
  
      return s;
    }
  }
  