| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 groovy.bugs; |
| |
| import groovy.lang.GroovyClassLoader; |
| import groovy.lang.Script; |
| import org.codehaus.groovy.runtime.ResourceGroovyMethods; |
| |
| import java.io.File; |
| |
| public class Groovy2365Bug extends Groovy2365Base { |
| |
| public void testDeadlock () { |
| String path = createData(); |
| |
| try { |
| for (int i = 0; i != 100; ++i ) { |
| final GroovyClassLoader groovyLoader = new GroovyClassLoader (); |
| groovyLoader.addClasspath(path); |
| |
| Class _script1Class = null; |
| try { |
| _script1Class = groovyLoader.loadClass("Script1", true, true); |
| } catch (ClassNotFoundException e) { |
| e.printStackTrace(); |
| } |
| final Class script1Class = _script1Class; |
| |
| // setup two threads to try a deadlock |
| |
| // thread one: newInstance script foo |
| final boolean completed [] = new boolean[2] ; |
| Thread thread1 = new Thread(() -> { |
| try { |
| Script script = (Script) script1Class.getDeclaredConstructor().newInstance(); |
| script.run(); |
| completed [0] = true; |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| }); |
| |
| Thread thread2 = new Thread(() -> { |
| try { |
| Class cls = groovyLoader.loadClass("Script2", true, true); |
| Script script = (Script) cls.getDeclaredConstructor().newInstance(); |
| script.run(); |
| completed [1] = true; |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| }); |
| |
| // let's see if we get a deadlock |
| thread2.start(); |
| thread1.start(); |
| |
| try { |
| thread1.join(5000); |
| thread2.join(5000); |
| } catch (InterruptedException e) { |
| e.printStackTrace(); |
| } |
| |
| assertTrue("Potentially deadlock", completed[0] && completed[1]); |
| } |
| } finally { |
| ResourceGroovyMethods.deleteDir(new File(path)); |
| } |
| } |
| } |