1 /* 2 * Copyright (C) 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 import java.lang.ref.WeakReference; 18 19 /** 20 * References to objects to include in a heap dump for testing purposes. 21 * An instance of DumpedStuff will be included in a heap dump taken for 22 * testing purposes. Instances referenced as fields of DumpedStuff can be 23 * accessed easily from the tests using TestDump.getDumpedAhatInstance. 24 */ 25 public class DumpedStuff { 26 public static class Finalizable { 27 static int count = 0; 28 Finalizable()29 public Finalizable() { 30 count++; 31 } 32 33 @Override finalize()34 protected void finalize() { 35 count--; 36 } 37 } 38 39 public WeakReference aWeakRefToFinalizable = new WeakReference(new Finalizable()); 40 } 41