/*

 * Copyright (c) 2013, 2016, Oracle and/or its affiliates. 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.

 *

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 */

/*

 * @test

 * @bug 7167142

 * @summary Warn if unused .hotspot_compiler file is present

 * @library /test/lib

 * @modules java.base/jdk.internal.misc

 *          java.management

 */

import java.io.PrintWriter;

import jdk.test.lib.process.ProcessTools;

import jdk.test.lib.process.OutputAnalyzer;

import jdk.test.lib.Platform;

public class CompilerConfigFileWarning {

    public static void main(String[] args) throws Exception {

        ProcessBuilder pb;

        OutputAnalyzer output;

        PrintWriter pw;

        pw = new PrintWriter("hs_comp.txt");

        pw.println("aaa, aaa");

        pw.close();

        pb = ProcessTools.createJavaProcessBuilder("-XX:CompileCommandFile=hs_comp.txt", "-version");

        output = new OutputAnalyzer(pb.start());

        output.shouldContain("CompileCommand: unrecognized command");

        output.shouldContain("aaa, aaa");

        // Skip on debug builds since we'll always read the file there

        if (!Platform.isDebugBuild()) {

            pw = new PrintWriter(".hotspot_compiler");

            pw.println("aa");

            pw.close();

            pb = ProcessTools.createJavaProcessBuilder("-version");

            output = new OutputAnalyzer(pb.start());

            output.shouldContain("warning: .hotspot_compiler file is present but has been ignored.  Run with -XX:CompileCommandFile=.hotspot_compiler to load the file.");

        }

    }

}