test/121-simple-suspend-check/src/Main.java

/*
 * 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.
 */

public class Main {
  public static void main(String args[]) {
    SpinThread thread = new SpinThread();
    thread.setDaemon(true);
    thread.start();
    Runtime.getRuntime().gc();
    try {
      Thread.sleep(3000);
    } catch (InterruptedException ie) {/*ignore */}
    Runtime.getRuntime().gc();
    System.out.println("PASS");
  }
}

class SpinThread extends Thread {
  public void run() {
    while (true) {}
  }
}