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 }