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/* @test TestAllocateHeapAt.java

 * @key gc

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

 * @requires vm.gc != "Z" & os.family != "aix"

 * @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);

  }

}