1 /*
   2  * Copyright (c) 2018, 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.
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  23 
  24 /* @test TestAllocateOldGenAt.java
  25  * @key gc
  26  * @summary Test to check allocation of Java Heap with AllocateOldGenAt 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 TestAllocateOldGenAt {
  38   private static ArrayList<String> commonOpts;
  39 
  40   public static void main(String args[]) throws Exception {
  41     commonOpts = new ArrayList();
  42 
  43     String testVmOptsStr = System.getProperty("test.java.opts");
  44     if (!testVmOptsStr.isEmpty()) {
  45       String[] testVmOpts = testVmOptsStr.split(" ");
  46       Collections.addAll(commonOpts, testVmOpts);
  47     }
  48     String test_dir = System.getProperty("test.dir", ".");
  49     Collections.addAll(commonOpts, new String[] {"-XX:+UnlockExperimentalVMOptions",
  50                                                  "-XX:AllocateOldGenAt=" + test_dir,
  51                                                  "-Xmx32m",
  52                                                  "-Xms32m",
  53                                                  "-version"});
  54 
  55     runTest("-XX:+UseG1GC");
  56     //runTest("-XX:+UseParallelOldGC");
  57   }
  58 
  59   private static void runTest(String... extraFlags) throws Exception {
  60     ArrayList<String> testOpts = new ArrayList();
  61     Collections.addAll(testOpts, commonOpts.toArray(new String[commonOpts.size()]));
  62     Collections.addAll(testOpts, extraFlags);
  63     
  64     System.out.print("Testing:\n" + JDKToolFinder.getJDKTool("java"));
  65     for (int i = 0; i < testOpts.size(); i += 1) {
  66       System.out.print(" " + testOpts.get(i));
  67     }
  68     System.out.println();
  69 
  70     ProcessBuilder pb =
  71       ProcessTools.createJavaProcessBuilder(testOpts.toArray(new String[testOpts.size()]));
  72     OutputAnalyzer output = new OutputAnalyzer(pb.start());
  73 
  74     System.out.println("Output:\n" + output.getOutput());
  75 
  76     output.shouldHaveExitValue(0);
  77 
  78   }
  79 }