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.
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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  *
  15  * You should have received a copy of the GNU General Public License version
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  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
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  23 
  24 /* @test TestAllocateHeapAt.java
  25  * @key gc
  26  * @summary Test to check allocation of Java Heap with AllocateHeapAt option
  27  * @requires vm.gc != "Z"
  28  * @library /test/lib
  29  * @modules java.base/jdk.internal.misc
  30  */
  31 
  32 import jdk.test.lib.JDKToolFinder;
  33 import jdk.test.lib.process.ProcessTools;
  34 import jdk.test.lib.process.OutputAnalyzer;
  35 import java.util.ArrayList;
  36 import java.util.Collections;
  37 
  38 public class TestAllocateHeapAt {
  39   public static void main(String args[]) throws Exception {
  40     ArrayList<String> vmOpts = new ArrayList();
  41 
  42     String testVmOptsStr = System.getProperty("test.java.opts");
  43     if (!testVmOptsStr.isEmpty()) {
  44       String[] testVmOpts = testVmOptsStr.split(" ");
  45       Collections.addAll(vmOpts, testVmOpts);
  46     }
  47     String test_dir = System.getProperty("test.dir", ".");
  48     Collections.addAll(vmOpts, new String[] {"-XX:AllocateHeapAt=" + test_dir,
  49                                              "-Xlog:gc+heap=info",
  50                                              "-Xmx32m",
  51                                              "-Xms32m",
  52                                              "-version"});
  53 
  54     System.out.print("Testing:\n" + JDKToolFinder.getJDKTool("java"));
  55     for (int i = 0; i < vmOpts.size(); i += 1) {
  56       System.out.print(" " + vmOpts.get(i));
  57     }
  58     System.out.println();
  59 
  60     ProcessBuilder pb =
  61       ProcessTools.createJavaProcessBuilder(vmOpts.toArray(new String[vmOpts.size()]));
  62     OutputAnalyzer output = new OutputAnalyzer(pb.start());
  63 
  64     System.out.println("Output:\n" + output.getOutput());
  65 
  66     output.shouldContain("Successfully allocated Java heap at location");
  67     output.shouldHaveExitValue(0);
  68   }
  69 }