langtools/test/tools/javac/api/T6357331.java
author jjg
Wed, 29 Oct 2014 17:25:23 -0700
changeset 27319 030080f03e4f
parent 26264 a09fedde76be
child 30730 d3ce7619db2c
permissions -rw-r--r--
8062348: langtools tests should close file manager (group 1) Reviewed-by: darcy
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/*
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 * Copyright (c) 2006, 2014, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/*
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 * @test
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 * @bug 6357331
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 * @summary NPE from JavacTask.getElements() after calling CompilationTask.run
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 */
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import java.io.*;
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import java.util.*;
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import javax.tools.*;
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import com.sun.source.util.*;
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public class T6357331
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{
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    public static void main(String... args) throws IOException {
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        JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
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        PrintWriter out = new PrintWriter(new StringWriter());
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        List<String> opts = Arrays.asList("-d", ".");
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        try (StandardJavaFileManager fm = tool.getStandardFileManager(null, null, null)) {
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            File thisFile = new File(System.getProperty("test.src"), "T6357331.java");
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            Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(thisFile);
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            final JavacTask task = (JavacTask) (tool.getTask(out, fm, null, opts, null, files));
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            // set a listener to verify that IllegalStateException is not thrown
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            // during the compilation
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            task.setTaskListener(new TaskListener() {
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                    public void started(TaskEvent e) {
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                        task.getElements();
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                        task.getTypes();
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                    }
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                    public void finished(TaskEvent e) { }
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                });
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            task.call();
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            // now the compilation is over, we expect IllegalStateException (not NPE)
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            try {
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                task.getElements();
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                throw new AssertionError("IllegalStateException not thrown");
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            }
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            catch (IllegalStateException e) {
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                // expected
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            }
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            try {
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                task.getTypes();
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                throw new AssertionError("IllegalStateException not thrown");
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            }
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            catch (IllegalStateException e) {
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                // expected
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            }
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        }
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    }
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}