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 TestAllocateHeapAtMultiple.java
27  * @key gc
28  * @summary Test to check allocation of Java Heap with AllocateHeapAt option. Has multiple sub-tests to cover different code paths.
29  * @library /test/lib
30  * @modules java.base/jdk.internal.misc
31  * @requires vm.bits == "64" & vm.gc != "Z" & os.family != "aix"
32  * @run main/timeout=360 gc.TestAllocateHeapAtMultiple
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 TestAllocateHeapAtMultiple {
42   public static void main(String args[]) throws Exception {
43     ArrayList<String> vmOpts = new ArrayList<>();
44     String[] testVmOpts = null;
45 
46     String test_dir = System.getProperty("test.dir", ".");
47 
48     String testVmOptsStr = System.getProperty("test.java.opts");
49     if (!testVmOptsStr.isEmpty()) {
50       testVmOpts = testVmOptsStr.split(" ");
51     }
52 
53     // Extra options for each of the sub-tests
54     String[] extraOptsList = new String[] {
55       "-Xmx32m -Xms32m -XX:+UseCompressedOops",     // 1. With compressedoops enabled.
56       "-Xmx32m -Xms32m -XX:-UseCompressedOops",     // 2. With compressedoops disabled.
57       "-Xmx32m -Xms32m -XX:HeapBaseMinAddress=3g",  // 3. With user specified HeapBaseMinAddress.
58       "-Xmx4g -Xms4g",                              // 4. With larger heap size (UnscaledNarrowOop not possible).
59       "-Xmx4g -Xms4g -XX:+UseLargePages",           // 5. Set UseLargePages.
60       "-Xmx4g -Xms4g -XX:+UseNUMA"                  // 6. Set UseNUMA.
61     };
62 
63     for(String extraOpts : extraOptsList) {
64       vmOpts.clear();
65       if(testVmOpts != null) {
66         Collections.addAll(vmOpts, testVmOpts);
67       }
68       // Add extra options specific to the sub-test.
69       String[] extraOptsArray = extraOpts.split(" ");
70       if(extraOptsArray != null) {
71         Collections.addAll(vmOpts, extraOptsArray);
72       }
73       // Add common options
74       Collections.addAll(vmOpts, new String[] {"-XX:AllocateHeapAt=" + test_dir,
75                                                "-Xlog:gc+heap=info",
76                                                "-version"});
77 
78       System.out.print("Testing:\n" + JDKToolFinder.getJDKTool("java"));
79       for (int i = 0; i < vmOpts.size(); i += 1) {
80         System.out.print(" " + vmOpts.get(i));
81       }
82       System.out.println();
83 
84       ProcessBuilder pb =
85         ProcessTools.createJavaProcessBuilder(vmOpts.toArray(new String[vmOpts.size()]));
86       OutputAnalyzer output = new OutputAnalyzer(pb.start());
87 
88       System.out.println("Output:\n" + output.getOutput());
89 
90       output.shouldContain("Successfully allocated Java heap at location");
91       output.shouldHaveExitValue(0);
92     }
93   }
94 }