1 /*
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   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   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
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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 TestAllocateOldGenAtMultiple.java
  25  * @key gc
  26  * @summary Test to check allocation of Java Heap with AllocateOldGenAt option. Has multiple sub-tests to cover different code paths.
  27  * @requires vm.gc=="null"
  28  * @library /test/lib
  29  * @modules java.base/jdk.internal.misc
  30  * @requires vm.bits == "64"
  31  * @run main TestAllocateOldGenAtMultiple -XX:+UseG1GC
  32  */
  33 
  34 import jdk.test.lib.JDKToolFinder;
  35 import jdk.test.lib.process.ProcessTools;
  36 import jdk.test.lib.process.OutputAnalyzer;
  37 import java.util.ArrayList;
  38 import java.util.Collections;
  39 
  40 public class TestAllocateOldGenAtMultiple {
  41   public static void main(String args[]) throws Exception {
  42     ArrayList<String> vmOpts = new ArrayList();
  43     String[] testVmOpts = null;
  44 
  45     String test_dir = System.getProperty("test.dir", ".");
  46 
  47     String testVmOptsStr = System.getProperty("test.java.opts");
  48     if (!testVmOptsStr.isEmpty()) {
  49       testVmOpts = testVmOptsStr.split(" ");
  50     }
  51 
  52     // Extra options for each of the sub-tests
  53     String[] extraOptsList = new String[] {
  54       "-Xmx32m -Xms32m -XX:+UseCompressedOops",     // 1. With compressedoops enabled.
  55       "-Xmx32m -Xms32m -XX:-UseCompressedOops",     // 2. With compressedoops disabled.
  56       "-Xmx32m -Xms32m -XX:HeapBaseMinAddress=3g",  // 3. With user specified HeapBaseMinAddress.
  57       "-Xmx4g -Xms4g",                              // 4. With larger heap size (UnscaledNarrowOop not possible).
  58       "-Xmx4g -Xms4g -XX:+UseLargePages",           // 5. Set UseLargePages.
  59       "-Xmx4g -Xms4g -XX:+UseNUMA"                  // 6. Set UseNUMA.
  60     };
  61 
  62     for(String extraOpts : extraOptsList) {
  63       vmOpts.clear();
  64       if(testVmOpts != null) {
  65         Collections.addAll(vmOpts, testVmOpts);
  66       }
  67       // Add extra options specific to the sub-test.
  68       String[] extraOptsArray = extraOpts.split(" ");
  69       if(extraOptsArray != null) {
  70         Collections.addAll(vmOpts, extraOptsArray);
  71       }
  72       // Add common options
  73       Collections.addAll(vmOpts, new String[] {"-XX:+UnlockExperimentalVMOptions",
  74                                                "-XX:AllocateOldGenAt=" + test_dir,
  75                                                "-version"});
  76 
  77       System.out.print("Testing:\n" + JDKToolFinder.getJDKTool("java"));
  78       for (int i = 0; i < vmOpts.size(); i += 1) {
  79         System.out.print(" " + vmOpts.get(i));
  80       }
  81       System.out.println();
  82 
  83       ProcessBuilder pb =
  84         ProcessTools.createJavaProcessBuilder(vmOpts.toArray(new String[vmOpts.size()]));
  85       OutputAnalyzer output = new OutputAnalyzer(pb.start());
  86 
  87       System.out.println("Output:\n" + output.getOutput());
  88 
  89       output.shouldHaveExitValue(0);
  90     }
  91   }
  92 }