langtools/test/tools/javac/T6665791.java
author jjg
Wed, 29 Oct 2014 17:25:23 -0700
changeset 27319 030080f03e4f
parent 5520 86e4b9a9da40
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) 2010, 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 6665791
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 * @summary com.sun.source.tree.MethodTree.toString() does not output default values
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 */
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import java.io.File;
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import java.io.IOException;
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import java.io.StringWriter;
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import javax.tools.JavaCompiler;
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import javax.tools.JavaFileObject;
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import javax.tools.StandardJavaFileManager;
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import javax.tools.ToolProvider;
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import com.sun.source.tree.ClassTree;
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import com.sun.source.util.JavacTask;
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import com.sun.source.util.TreeScanner;
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import java.io.FileWriter;
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public class T6665791 {
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    static String test = "public @interface Annotation { boolean booleanProperty() default false; }";
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    static File test_java = new File("Test.java");
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    public static void main(String[] args) throws Exception {
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        write(test_java, test);
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        JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
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        try (StandardJavaFileManager manager =
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                compiler.getStandardFileManager(null, null, null)) {
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            Iterable<? extends JavaFileObject> units = manager.getJavaFileObjects(test_java);
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            final StringWriter sw = new StringWriter();
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            JavacTask task = (JavacTask) compiler.getTask(sw, manager, null, null,
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                    null, units);
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            new TreeScanner<Boolean, Void>() {
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                @Override
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                public Boolean visitClass(ClassTree arg0, Void arg1) {
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                    sw.write(arg0.toString());
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                    return super.visitClass(arg0, arg1);
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                }
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            }.scan(task.parse(), null);
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            System.out.println("output:");
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            System.out.println(sw.toString());
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            String found = sw.toString().replaceAll("\\s+", " ").trim();
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            String expect = test.replaceAll("\\s+", " ").trim();
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            if (!expect.equals(found)) {
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                System.out.println("expect: " + expect);
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                System.out.println("found:  " + found);
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                throw new Exception("unexpected output");
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            }
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        }
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    }
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    static void write(File file, String body) throws IOException {
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        FileWriter out = new FileWriter(file);
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        out.write(body);
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        out.close();
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    }
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}