1 /*
   2  * Copyright (c) 2013, 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.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 7167142
  27  * @summary Warn if unused .hotspot_compiler file is present
  28  * @library /testlibrary
  29  */
  30 
  31 import java.io.PrintWriter;
  32 import com.oracle.java.testlibrary.*;
  33 
  34 public class CompilerConfigFileWarning {
  35     public static void main(String[] args) throws Exception {
  36         String vmVersion = System.getProperty("java.vm.version");
  37         if (vmVersion.toLowerCase().contains("debug") || vmVersion.toLowerCase().contains("jvmg")) {
  38             System.out.println("Skip on debug builds since we'll always read the file there");
  39             return;
  40         }
  41 
  42         PrintWriter pw = new PrintWriter(".hotspot_compiler");
  43         pw.println("aa");
  44         pw.close();
  45 
  46         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-version");
  47         OutputAnalyzer output = new OutputAnalyzer(pb.start());
  48         output.shouldContain("warning: .hotspot_compiler file is present but has been ignored.  Run with -XX:CompileCommandFile=.hotspot_compiler to load the file.");
  49     }
  50 }