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/**

 * @test TestRefArrays

 * @library /test/lib

 * @summary Epsilon is able to allocate arrays, and does not corrupt their state

 *

 * @run main/othervm -Xmx1g                                        -XX:+UseTLAB -XX:+UnlockExperimentalVMOptions -XX:+IgnoreUnrecognizedVMOptions -XX:+UseEpsilonGC TestRefArrays

 * @run main/othervm -Xmx1g -Xint                                  -XX:+UseTLAB -XX:+UnlockExperimentalVMOptions -XX:+IgnoreUnrecognizedVMOptions -XX:+UseEpsilonGC TestRefArrays

 * @run main/othervm -Xmx1g -Xbatch -Xcomp                         -XX:+UseTLAB -XX:+UnlockExperimentalVMOptions -XX:+IgnoreUnrecognizedVMOptions -XX:+UseEpsilonGC TestRefArrays

 * @run main/othervm -Xmx1g -Xbatch -Xcomp -XX:TieredStopAtLevel=1 -XX:+UseTLAB -XX:+UnlockExperimentalVMOptions -XX:+IgnoreUnrecognizedVMOptions -XX:+UseEpsilonGC TestRefArrays

 * @run main/othervm -Xmx1g -Xbatch -Xcomp -XX:TieredStopAtLevel=4 -XX:+UseTLAB -XX:+UnlockExperimentalVMOptions -XX:+IgnoreUnrecognizedVMOptions -XX:+UseEpsilonGC TestRefArrays

 *

 * @run main/othervm -Xmx1g                                        -XX:-UseTLAB -XX:+UnlockExperimentalVMOptions -XX:+IgnoreUnrecognizedVMOptions -XX:+UseEpsilonGC TestRefArrays

 * @run main/othervm -Xmx1g -Xint                                  -XX:-UseTLAB -XX:+UnlockExperimentalVMOptions -XX:+IgnoreUnrecognizedVMOptions -XX:+UseEpsilonGC TestRefArrays

 * @run main/othervm -Xmx1g -Xbatch -Xcomp                         -XX:-UseTLAB -XX:+UnlockExperimentalVMOptions -XX:+IgnoreUnrecognizedVMOptions -XX:+UseEpsilonGC TestRefArrays

 * @run main/othervm -Xmx1g -Xbatch -Xcomp -XX:TieredStopAtLevel=1 -XX:-UseTLAB -XX:+UnlockExperimentalVMOptions -XX:+IgnoreUnrecognizedVMOptions -XX:+UseEpsilonGC TestRefArrays

 * @run main/othervm -Xmx1g -Xbatch -Xcomp -XX:TieredStopAtLevel=4 -XX:-UseTLAB -XX:+UnlockExperimentalVMOptions -XX:+IgnoreUnrecognizedVMOptions -XX:+UseEpsilonGC TestRefArrays

 */

import java.util.Random;

public class TestRefArrays extends AbstractEpsilonTest {

  static long SEED = Long.getLong("seed", System.nanoTime());

  static int COUNT = Integer.getInteger("count", 1000); // ~500 MB allocation

  static MyObject[][] arr;

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

    if (!isEpsilonEnabled()) return;

    Random r = new Random(SEED);

    arr = new MyObject[COUNT * 100][];

    for (int c = 0; c < COUNT; c++) {

      arr[c] = new MyObject[c * 100];

      for (int v = 0; v < c; v++) {

        arr[c][v] = new MyObject(r.nextInt());

      }

    }

    r = new Random(SEED);

    for (int c = 0; c < COUNT; c++) {

      MyObject[] b = arr[c];

      if (b.length != (c * 100)) {

        throw new IllegalStateException("Failure: length = " + b.length + ", need = " + (c*100));

      }

      for (int v = 0; v < c; v++) {

        int actual = b[v].id();

        int expected = r.nextInt();

        if (actual != expected) {

          throw new IllegalStateException("Failure: expected = " + expected + ", actual = " + actual);

        }

      }

    }

  }

  public static class MyObject {

    int id;

    public MyObject(int id) {

      this.id = id;

    }

    public int id() {

      return id;

    }

  }

}