1 /*
   2  * Copyright (c) 2020, 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 package gc.z;
  25 
  26 /*
  27  * @test TestAllocateHeapAt
  28  * @requires vm.gc.Z & os.family == "linux" & !vm.graal.enabled
  29  * @summary Test ZGC with -XX:AllocateHeapAt
  30  * @library /test/lib
  31  * @run main/othervm gc.z.TestAllocateHeapAt . true
  32  * @run main/othervm gc.z.TestAllocateHeapAt non-existing-directory false
  33  */
  34 
  35 import jdk.test.lib.process.ProcessTools;
  36 
  37 public class TestAllocateHeapAt {
  38     public static void main(String[] args) throws Exception {
  39         final String directory = args[0];
  40         final boolean exists = Boolean.parseBoolean(args[1]);
  41         final String backingFile = "Backing File: " + directory;
  42         final String failedToCreateFile = "Failed to create file " + directory;
  43 
  44         ProcessTools.executeProcess(ProcessTools.createJavaProcessBuilder(new String[] {
  45                 "-XX:+UnlockExperimentalVMOptions",
  46                 "-XX:+UseZGC",
  47                 "-Xlog:gc*",
  48                 "-Xms32M",
  49                 "-Xmx32M",
  50                 "-XX:AllocateHeapAt=" + directory,
  51                 "-version" }))
  52             .shouldContain(exists ? backingFile : failedToCreateFile)
  53             .shouldNotContain(exists ? failedToCreateFile : backingFile)
  54             .shouldHaveExitValue(exists ? 0 : 1);
  55     }
  56 }