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.
   */
  
  // Regression test for 22460222, the sub class.
  // The field gaps order was wrong. If there were two gaps of different sizes,
  // and the larger one was needed, it wouldn't be found.
  
  import java.lang.reflect.Field;
  import java.lang.reflect.Method;
  
  class GapOrder extends GapOrderBase {
    // The base class is 9 bytes. The entire class should be packed as:
    //
    //    00: oooo oooo
    //    08: b-ss rrrr
    //    16: rrrr iiii
    //    24: dddd dddd
    //
    // The problem was, the packer wasn't finding the gap where iiii should go,
    // because the gap where ss goes was given priority. Instead it packed as:
    //    00: oooo oooo
    //    08: b--- rrrr
    //    16: rrrr ----
    //    24: dddd dddd
    //    32: iiii ss
    public Object r1;
    public Object r2;
    public double d;
    public int i;
    public short s;
  
    static private void CheckField(String fieldName, int expected) {
      Field field = null;
      try {
        field = GapOrder.class.getField(fieldName);
      } catch (ReflectiveOperationException e) {
        System.out.println(fieldName + " not found in GapOrder.");
        return;
      }
  
      int actual = -1;
      try {
        Method getOffset = Field.class.getMethod("getOffset");
        actual = (Integer)getOffset.invoke(field);
      } catch (ReflectiveOperationException e) {
        System.out.println("Unable to get field offset for " + fieldName + ":" + e);
        return;
      }
  
      if (actual != expected) {
        System.out.println(
            String.format("GapOrder.%s has offset %d, but expected %d",
              fieldName, actual, expected));
      }
    }
  
    static public void Check() {
      CheckField("r1", 12);
      CheckField("r2", 16);
      CheckField("d", 24);
      CheckField("i", 20);
      CheckField("s", 10);
    }
  }
  
  