jdk

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/*
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 * Copyright (c) 2010, 2016, 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 6980017
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 * @summary javap -XDdetail:source behaves badly if source not available.
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 * @modules jdk.compiler
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 *          jdk.jdeps/com.sun.tools.javap
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 */
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import java.io.*;
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public class T6980017 {
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    public static void main(String... args) throws Exception {
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        new T6980017().run();
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    }
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    void run() throws Exception {
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        String[] args = {
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            "-v",
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            "-XDdetails:source",
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            "java.lang.Object"
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        };
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        StringWriter sw = new StringWriter();
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        PrintWriter pw = new PrintWriter(sw);
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        int rc = com.sun.tools.javap.Main.run(args, pw);
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        pw.close();
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        if (rc != 0)
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            error("Unexpected exit code: " + rc);
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        boolean foundBlankSourceLine = false;
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        boolean foundNoSourceLine = false;
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        for (String line: sw.toString().split("[\r\n]+")) {
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            System.err.println(line);
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            if (line.contains("Source code not available"))
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                foundNoSourceLine = true;
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            if (line.matches("\\s*\\( *[0-9]+\\)\\s*"))
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                foundBlankSourceLine = true;
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        }
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        if (foundBlankSourceLine)
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            error("found blank source lines");
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        if (!foundNoSourceLine)
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            error("did not find \"Source code not available\" message");
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        if (errors > 0)
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            throw new Exception(errors + " errors occurred");
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    }
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    void error(String msg) {
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        System.err.println(msg);
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        errors++;
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    }
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    int errors;
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}
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