| /* |
| * Copyright (C) 2011 Google Inc. |
| * |
| * 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. |
| */ |
| |
| package libcore.java.lang.ref; |
| |
| /** |
| * Triggers finalizers to run. Note that live-precise bugs may interfere with |
| * analysis of what is reachable. Unreachable references in local frames may not |
| * be finalized even after a call to {@link #induceFinalization}. To work |
| * around, create finalizable objects in helper methods. http://b/4191345 |
| */ |
| public final class FinalizationTester { |
| private FinalizationTester() {} |
| |
| public static void induceFinalization() { |
| System.gc(); |
| enqueueReferences(); |
| System.runFinalization(); |
| } |
| |
| public static void enqueueReferences() { |
| /* |
| * Hack. We don't have a programmatic way to wait for the reference queue |
| * daemon to move references to the appropriate queues. |
| */ |
| try { |
| Thread.sleep(100); |
| } catch (InterruptedException e) { |
| throw new AssertionError(); |
| } |
| } |
| } |