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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

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 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

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/* @test TestAllocateHeapAt.java

 * @key gc

 * @summary Test to check allocation of Java Heap with AllocateHeapAt option

 * @library /test/lib

 * @modules java.base/jdk.internal.misc

 */

import jdk.test.lib.JDKToolFinder;

import jdk.test.lib.process.ProcessTools;

import jdk.test.lib.process.OutputAnalyzer;

import java.util.ArrayList;

import java.util.Collections;

public class TestAllocateHeapAt {

  public static void main(String args[]) throws Exception {

    ArrayList<String> vmOpts = new ArrayList();

    String testVmOptsStr = System.getProperty("test.java.opts");

    if (!testVmOptsStr.isEmpty()) {

      String[] testVmOpts = testVmOptsStr.split(" ");

      Collections.addAll(vmOpts, testVmOpts);

    }

    String test_dir = System.getProperty("test.dir", ".");

    Collections.addAll(vmOpts, new String[] {"-XX:AllocateHeapAt=" + test_dir,

                                             "-Xlog:gc+heap=info",

                                             "-Xmx32m",

                                             "-Xms32m",

                                             "-version"});

    System.out.print("Testing:\n" + JDKToolFinder.getJDKTool("java"));

    for (int i = 0; i < vmOpts.size(); i += 1) {

      System.out.print(" " + vmOpts.get(i));

    }

    System.out.println();

    ProcessBuilder pb =

      ProcessTools.createJavaProcessBuilder(vmOpts.toArray(new String[vmOpts.size()]));

    OutputAnalyzer output = new OutputAnalyzer(pb.start());

    System.out.println("Output:\n" + output.getOutput());

    output.shouldContain("Successfully allocated Java heap at location");

    output.shouldHaveExitValue(0);

  }

}