/* * Copyright (C) 2017 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.ref.WeakReference; public class Main { static final class GcWatcher { protected void finalize() throws Throwable { watcher = new WeakReference(new GcWatcher()); ++finalizeCounter; } } static WeakReference watcher = new WeakReference(new GcWatcher()); static Object o = new Object(); static int finalizeCounter = 0; public static void main(String[] args) { System.loadLibrary(args[0]); backgroundProcessState(); try { Runtime.getRuntime().gc(); for (int i = 0; i < 10; ++i) { o = new Object(); Thread.sleep(1000); } } catch (Exception e) {} System.out.println("Finalize count too large: " + ((finalizeCounter >= 15) ? Integer.toString(finalizeCounter) : "false")); } private static native void backgroundProcessState(); }