1 /*
   2  * Copyright (c) 2017 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 /* @test TestAllocateHeapAt.java
  25  * @key gc
  26  * @summary Test to check allocation of Java Heap with AllocateHeapAt option
  27  * @library /test/lib
  28  * @modules java.base/jdk.internal.misc
  29  */
  30 
  31 import jdk.test.lib.JDKToolFinder;
  32 import jdk.test.lib.process.ProcessTools;
  33 import jdk.test.lib.process.OutputAnalyzer;
  34 import java.util.ArrayList;
  35 import java.util.Collections;
  36 
  37 public class TestAllocateHeapAt {
  38   public static void main(String args[]) throws Exception {
  39     ArrayList<String> vmOpts = new ArrayList();
  40 
  41     String testVmOptsStr = System.getProperty("test.java.opts");
  42     if (!testVmOptsStr.isEmpty()) {
  43       String[] testVmOpts = testVmOptsStr.split(" ");
  44       Collections.addAll(vmOpts, testVmOpts);
  45     }
  46     String test_dir = System.getProperty("test.dir", ".");
  47     Collections.addAll(vmOpts, new String[] {"-XX:AllocateHeapAt=" + test_dir,
  48                                              "-Xlog:gc+heap=info",
  49                                              "-Xmx32m",
  50                                              "-Xms32m",
  51                                              "-version"});
  52     
  53     System.out.print("Testing:\n" + JDKToolFinder.getJDKTool("java"));
  54     for (int i = 0; i < vmOpts.size(); i += 1) {
  55       System.out.print(" " + vmOpts.get(i));
  56     }
  57     System.out.println();
  58 
  59     ProcessBuilder pb =
  60       ProcessTools.createJavaProcessBuilder(vmOpts.toArray(new String[vmOpts.size()]));
  61     OutputAnalyzer output = new OutputAnalyzer(pb.start());
  62 
  63     System.out.println("Output:\n" + output.getOutput());
  64 
  65     output.shouldContain("Successfully allocated Java heap at location");
  66     output.shouldHaveExitValue(0);
  67   }
  68 }