langtools/test/tools/javap/T4075403.java
author akulyakh
Thu, 21 May 2015 11:41:04 -0700
changeset 30730 d3ce7619db2c
parent 5520 86e4b9a9da40
child 30846 2b3f379840f0
permissions -rw-r--r--
8076543: Add @modules as needed to the langtools tests Reviewed-by: jjg, shurailine
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/*
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 * Copyright (c) 2008, 2015, 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 4075403
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 * @summary Use javap to inquire about a specific inner class
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 * @modules jdk.compiler
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 */
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import java.io.*;
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public class T4075403 {
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    public static void main(String[] args) throws Exception {
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        new T4075403().run();
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    }
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    public void run() throws IOException {
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        File javaFile = writeTestFile();
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        File classFile = compileTestFile(javaFile);
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        javap("Outer.Inner");
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    }
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    File writeTestFile() throws IOException {
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        File f = new File("Outer.java");
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        PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
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        out.println("class Outer { ");
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        out.println("    class Inner { }");
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        out.println("}");
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        out.close();
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        return f;
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    }
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    File compileTestFile(File f) {
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        int rc = com.sun.tools.javac.Main.compile(new String[] { "-g", f.getPath() });
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        if (rc != 0)
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            throw new Error("compilation failed. rc=" + rc);
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        String path = f.getPath();
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        return new File(path.substring(0, path.length() - 5) + ".class");
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    }
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    String javap(String className) {
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        StringWriter sw = new StringWriter();
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        PrintWriter out = new PrintWriter(sw);
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        int rc = com.sun.tools.javap.Main.run(new String[] { "-classpath", ".", className }, out);
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        if (rc != 0)
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            throw new Error("javap failed. rc=" + rc);
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        out.close();
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        System.out.println(sw.toString());
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        return sw.toString();
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    }
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}