content: /*
   * Copyright (C) 2014 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.
   */
  
  // These classes are to check the additional flags for inner classes.
  class A {
    private static class B {
    }
    protected static interface C {
    }
  }
  
  public class Main {
    public final static int INTERFACE_DEFINED_BITS =
        0x0001 |  // public, may be set.
        0x0002 |  // private, may be flagged by inner class.
        0x0004 |  // protected, may be flagged by inner class.
        0x0008 |  // static, may be flagged by inner class.
        0x0010 |  // final, must not be set.
        0x0020 |  // super, must not be set.
        0x0200 |  // interface, must be set.
        0x0400 |  // abstract, must be set.
        0x1000 |  // synthetic, may be set.
        0x2000 |  // annotation, may be set (annotation implies interface)
        0x4000 ;  // enum, must not be set.
  
    public final static int CLASS_DEFINED_BITS =
        0x0001 |  // public, may be set.
        0x0002 |  // private, may be flagged by inner class.
        0x0004 |  // protected, may be flagged by inner class.
        0x0008 |  // static, may be flagged by inner class.
        0x0010 |  // final, may be set.
        0x0020 |  // super, may be set.
        0x0200 |  // interface, must not be set.
        0x0400 |  // abstract, may be set.
        0x1000 |  // synthetic, may be set.
        0x2000 |  // annotation, must not be set.
        0x4000 ;  // enum, may be set.
  
    public final static int FIELD_DEFINED_BITS =
         0x0001 |  // public
         0x0002 |  // private
         0x0004 |  // protected
         0x0008 |  // static
         0x0010 |  // final
         0x0040 |  // volatile
         0x0080 |  // transient
         0x1000 |  // synthetic
         0x4000 ;  // enum
  
    public final static int METHOD_DEFINED_BITS =
         0x0001 |  // public
         0x0002 |  // private
         0x0004 |  // protected
         0x0008 |  // static
         0x0010 |  // final
         0x0020 |  // synchronized
         0x0040 |  // bridge
         0x0080 |  // varargs
         0x0100 |  // native
         0x0400 |  // abstract
         0x0800 |  // strictfp
         0x1000 ;  // synthetic
  
    public static void main(String args[]) throws Exception {
      check("Inf");
      check("NonInf");
      check("A");
      check("A$B");
    }
  
    private static void check(String className) throws Exception {
      Class<?> clazz = Class.forName(className);
      if (className.equals("Inf")) {
        if (!clazz.isInterface()) {
          throw new RuntimeException("Expected an interface.");
        }
        int undefinedBits = 0xFFFF ^ INTERFACE_DEFINED_BITS;
        if ((clazz.getModifiers() & undefinedBits) != 0) {
          System.out.println("Clazz.getModifiers(): " + Integer.toBinaryString(clazz.getModifiers()));
          System.out.println("INTERFACE_DEF_BITS: " + Integer.toBinaryString(INTERFACE_DEFINED_BITS));
          throw new RuntimeException("Undefined bits for an interface: " + className);
        }
      } else {
        if (clazz.isInterface()) {
          throw new RuntimeException("Expected a class.");
        }
        int undefinedBits = 0xFFFF ^ CLASS_DEFINED_BITS;
        if ((clazz.getModifiers() & undefinedBits) != 0) {
          System.out.println("Clazz.getModifiers(): " + Integer.toBinaryString(clazz.getModifiers()));
          System.out.println("CLASS_DEF_BITS: " + Integer.toBinaryString(CLASS_DEFINED_BITS));
          throw new RuntimeException("Undefined bits for a class: " + className);
        }
      }
  
      // Check fields.
      for (java.lang.reflect.Field f : clazz.getDeclaredFields()) {
        String name = f.getName();
        int undefinedBits = 0xFFFF ^ FIELD_DEFINED_BITS;
        if ((f.getModifiers() & undefinedBits) != 0) {
          System.out.println("f.getModifiers(): " + Integer.toBinaryString(f.getModifiers()));
          System.out.println("FIELD_DEF_BITS: " + Integer.toBinaryString(FIELD_DEFINED_BITS));
          throw new RuntimeException("Unexpected field bits: " + name);
        }
        if (name.equals("I")) {
          // Interface field, just check generically.
        } else {
          // Check the name, see that the corresponding bit is set.
          int bitmask = getFieldMask(name);
          if ((bitmask & f.getModifiers()) == 0) {
            throw new RuntimeException("Expected field bit not set.");
          }
        }
      }
  
      // Check methods.
      for (java.lang.reflect.Method m : clazz.getDeclaredMethods()) {
        String name = m.getName();
        int undefinedBits = 0xFFFF ^ METHOD_DEFINED_BITS;
        if ((m.getModifiers() & undefinedBits) != 0) {
            System.out.println("m.getModifiers(): " + Integer.toBinaryString(m.getModifiers()));
            System.out.println("METHOD_DEF_BITS: " + Integer.toBinaryString(METHOD_DEFINED_BITS));
          throw new RuntimeException("Unexpected method bits: " + name);
        }
        // Check the name, see that the corresponding bit is set.
        int bitmask = getMethodMask(name);
        if ((bitmask & m.getModifiers()) == 0) {
          throw new RuntimeException("Expected method bit not set.");
        }
      }
    }
  
    private static int getFieldMask(String name) {
      int index = name.indexOf("Field");
      if (index > 0) {
        String shortS = name.substring(0, index);
        if (shortS.equals("public")) {
          return 0x0001;
        }
        if (shortS.equals("private")) {
          return 0x0002;
        }
        if (shortS.equals("protected")) {
          return 0x0004;
        }
        if (shortS.equals("static")) {
          return 0x0008;
        }
        if (shortS.equals("transient")) {
          return 0x0080;
        }
        if (shortS.equals("volatile")) {
          return 0x0040;
        }
        if (shortS.equals("final")) {
          return 0x0010;
        }
      }
      throw new RuntimeException("Unexpected field name " + name);
    }
  
    private static int getMethodMask(String name) {
      int index = name.indexOf("Method");
      if (index > 0) {
        String shortS = name.substring(0, index);
        if (shortS.equals("public")) {
          return 0x0001;
        }
        if (shortS.equals("private")) {
          return 0x0002;
        }
        if (shortS.equals("protected")) {
          return 0x0004;
        }
        if (shortS.equals("static")) {
          return 0x0008;
        }
        if (shortS.equals("synchronized")) {
          return 0x0020;
        }
        if (shortS.equals("varargs")) {
          return 0x0080;
        }
        if (shortS.equals("final")) {
          return 0x0010;
        }
        if (shortS.equals("native")) {
          return 0x0100;
        }
        if (shortS.equals("abstract")) {
          return 0x0400;
        }
        if (shortS.equals("strictfp")) {
          return 0x0800;
        }
      }
      throw new RuntimeException("Unexpected method name " + name);
    }
  }
  