t6397286.java

是一款用JAVA 编写的编译器 具有很强的编译功能

/*
 * Copyright 2006 Sun Microsystems, Inc.  All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

/*
 * @test
 * @bug 6397286
 * @summary TaskListener calls are not protected agains user exceptions
 */

import java.io.*;
import java.util.*;
import javax.tools.*;
import com.sun.source.util.*;
import com.sun.tools.javac.api.*;

public class T6397286 {

    public static void main(String[] args) throws IOException {
	String testSrcDir = System.getProperty("test.src");
	String self = T6397286.class.getName();

	JavacTool tool = JavacTool.create();
	StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null);
	Iterable<? extends JavaFileObject> files = 
	    fm.getJavaFileObjectsFromFiles(Arrays.asList(new File(testSrcDir, self + ".java")));
	
	JavacTask task = tool.getTask(null, fm, null, null, null, files);
	task.setTaskListener(new TaskListener() {
		public void started(TaskEvent e) {
		    throw new TaskEventError(e);
		}
		public void finished(TaskEvent e) {
		}
	    });

	try {
	    task.call();
	    throw new AssertionError("no exception thrown");
	} catch (RuntimeException e) {
	    if (e.getCause() instanceof TaskEventError) {
		TaskEventError tee = (TaskEventError) e.getCause();
		System.err.println("Exception thrown for " + tee.event + " as expected");
	    } else {
		e.printStackTrace();
		throw new AssertionError("TaskEventError not thrown");
	    }
	}
    }
}

class TaskEventError extends Error {
    public TaskEventError(TaskEvent ev) {
	event = ev;
    }

    TaskEvent event;
}