1 /*
 2  * Copyright (c) 2017, 2019, 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;
25 
26 /* @test TestAllocateHeapAt.java
27  * @key gc
28  * @summary Test to check allocation of Java Heap with AllocateHeapAt option
29  * @requires vm.gc != "Z" & os.family != "aix"
30  * @library /test/lib
31  * @modules java.base/jdk.internal.misc
32  * @run main gc.TestAllocateHeapAt
33  */
34 
35 import jdk.test.lib.JDKToolFinder;
36 import jdk.test.lib.process.ProcessTools;
37 import jdk.test.lib.process.OutputAnalyzer;
38 import java.util.ArrayList;
39 import java.util.Collections;
40 
41 public class TestAllocateHeapAt {
42   public static void main(String args[]) throws Exception {
43     ArrayList<String> vmOpts = new ArrayList();
44 
45     String testVmOptsStr = System.getProperty("test.java.opts");
46     if (!testVmOptsStr.isEmpty()) {
47       String[] testVmOpts = testVmOptsStr.split(" ");
48       Collections.addAll(vmOpts, testVmOpts);
49     }
50     String test_dir = System.getProperty("test.dir", ".");
51     Collections.addAll(vmOpts, new String[] {"-XX:AllocateHeapAt=" + test_dir,
52                                              "-Xlog:gc+heap=info",
53                                              "-Xmx32m",
54                                              "-Xms32m",
55                                              "-version"});
56 
57     System.out.print("Testing:\n" + JDKToolFinder.getJDKTool("java"));
58     for (int i = 0; i < vmOpts.size(); i += 1) {
59       System.out.print(" " + vmOpts.get(i));
60     }
61     System.out.println();
62 
63     ProcessBuilder pb =
64       ProcessTools.createJavaProcessBuilder(vmOpts.toArray(new String[vmOpts.size()]));
65     OutputAnalyzer output = new OutputAnalyzer(pb.start());
66 
67     System.out.println("Output:\n" + output.getOutput());
68 
69     output.shouldContain("Successfully allocated Java heap at location");
70     output.shouldHaveExitValue(0);
71   }
72 }