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.
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   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.
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   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  *
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  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
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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  * @run driver CompilerConfigFileWarning
  32  */
  33 
  34 import java.io.PrintWriter;
  35 import jdk.test.lib.process.ProcessTools;
  36 import jdk.test.lib.process.OutputAnalyzer;
  37 import jdk.test.lib.Platform;
  38 
  39 public class CompilerConfigFileWarning {
  40     public static void main(String[] args) throws Exception {
  41         ProcessBuilder pb;
  42         OutputAnalyzer output;
  43         PrintWriter pw;
  44 
  45         pw = new PrintWriter("hs_comp.txt");
  46         pw.println("aaa, aaa");
  47         pw.close();
  48 
  49         pb = ProcessTools.createJavaProcessBuilder("-XX:CompileCommandFile=hs_comp.txt", "-version");
  50         output = new OutputAnalyzer(pb.start());
  51         output.shouldContain("CompileCommand: unrecognized command");
  52         output.shouldContain("aaa, aaa");
  53 
  54         // Skip on debug builds since we'll always read the file there
  55         if (!Platform.isDebugBuild()) {
  56             pw = new PrintWriter(".hotspot_compiler");
  57             pw.println("aa");
  58             pw.close();
  59 
  60             pb = ProcessTools.createJavaProcessBuilder("-version");
  61             output = new OutputAnalyzer(pb.start());
  62             output.shouldContain("warning: .hotspot_compiler file is present but has been ignored.  Run with -XX:CompileCommandFile=.hotspot_compiler to load the file.");
  63         }
  64     }
  65 }