1 /*

     2  * Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

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    23 

    24 /*

    25  * @test

    26  * @bug 7167142

    27  * @summary Warn if unused .hotspot_compiler file is present

    28  * @library /test/lib

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

    30  *          java.management

    31  */

    32 

    33 import java.io.PrintWriter;

    34 import jdk.test.lib.process.ProcessTools;

    35 import jdk.test.lib.process.OutputAnalyzer;

    36 import jdk.test.lib.Platform;

    37 

    38 public class CompilerConfigFileWarning {

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

    40         ProcessBuilder pb;

    41         OutputAnalyzer output;

    42         PrintWriter pw;

    43 

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

    45         pw.println("aaa, aaa");

    46         pw.close();

    47 

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

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

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

    51         output.shouldContain("aaa, aaa");

    52 

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

    54         if (!Platform.isDebugBuild()) {

    55             pw = new PrintWriter(".hotspot_compiler");

    56             pw.println("aa");

    57             pw.close();

    58 

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

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

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

    62         }

    63     }

    64 }