test/gc/shenandoah/compiler/TestReferenceCAS.java

rev 10672 : [backport] Turn TestReferenceCAS into a standalone/no-testng test
rev 10697 : [backport] Prepare tests for making UseShenandoahGC experimental
rev 10772 : [backport] Update copyrights
rev 10782 : [backport] Shenandoah should @require Shenandoah, @key gc, and have good @test

*** 1,7 ****
  /*
!  * Copyright (c) 2016, Red Hat, Inc. and/or its affiliates.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
   *
--- 1,7 ----
  /*
!  * Copyright (c) 2016, 2018, Red Hat, Inc. All rights reserved.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
   *
*** 20,50 ****
   * questions.
   *
   */
  
  /*
!  * @test Shenandoah reference CAS test
!  *
!  * @run testng/othervm -Diters=20000 -XX:+UnlockDiagnosticVMOptions -XX:ShenandoahGCHeuristics=aggressive -XX:+UseShenandoahGC                                                 TestReferenceCAS
!  * @run testng/othervm -Diters=100   -XX:+UnlockDiagnosticVMOptions -XX:ShenandoahGCHeuristics=aggressive -XX:+UseShenandoahGC -Xint                                           TestReferenceCAS
!  * @run testng/othervm -Diters=20000 -XX:+UnlockDiagnosticVMOptions -XX:ShenandoahGCHeuristics=aggressive -XX:+UseShenandoahGC -XX:-TieredCompilation                          TestReferenceCAS
!  * @run testng/othervm -Diters=20000 -XX:+UnlockDiagnosticVMOptions -XX:ShenandoahGCHeuristics=aggressive -XX:+UseShenandoahGC -XX:TieredStopAtLevel=1                         TestReferenceCAS
!  * @run testng/othervm -Diters=20000 -XX:+UnlockDiagnosticVMOptions -XX:ShenandoahGCHeuristics=aggressive -XX:+UseShenandoahGC -XX:TieredStopAtLevel=4                         TestReferenceCAS
!  *
!  * @run testng/othervm -Diters=20000 -XX:+UnlockDiagnosticVMOptions -XX:ShenandoahGCHeuristics=aggressive -XX:+UseShenandoahGC -XX:-UseCompressedOops                          TestReferenceCAS
!  * @run testng/othervm -Diters=100   -XX:+UnlockDiagnosticVMOptions -XX:ShenandoahGCHeuristics=aggressive -XX:+UseShenandoahGC -XX:-UseCompressedOops -Xint                    TestReferenceCAS
!  * @run testng/othervm -Diters=20000 -XX:+UnlockDiagnosticVMOptions -XX:ShenandoahGCHeuristics=aggressive -XX:+UseShenandoahGC -XX:-UseCompressedOops -XX:-TieredCompilation   TestReferenceCAS
!  * @run testng/othervm -Diters=20000 -XX:+UnlockDiagnosticVMOptions -XX:ShenandoahGCHeuristics=aggressive -XX:+UseShenandoahGC -XX:-UseCompressedOops -XX:TieredStopAtLevel=1  TestReferenceCAS
!  * @run testng/othervm -Diters=20000 -XX:+UnlockDiagnosticVMOptions -XX:ShenandoahGCHeuristics=aggressive -XX:+UseShenandoahGC -XX:-UseCompressedOops -XX:TieredStopAtLevel=4  TestReferenceCAS
   */
  
- import org.testng.annotations.Test;
- 
  import java.lang.reflect.Field;
  
- import static org.testng.Assert.*;
- 
  public class TestReferenceCAS {
  
      static final int ITERS = Integer.getInteger("iters", 1);
      static final int WEAK_ATTEMPTS = Integer.getInteger("weakAttempts", 10);
  
--- 20,48 ----
   * questions.
   *
   */
  
  /*
!  * @test TestReferenceCAS
!  * @summary Shenandoah reference CAS test
!  * @key gc
!  *
!  * @run main/othervm -Diters=20000 -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:ShenandoahGCHeuristics=aggressive -XX:+UseShenandoahGC                                                 TestReferenceCAS
!  * @run main/othervm -Diters=100   -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:ShenandoahGCHeuristics=aggressive -XX:+UseShenandoahGC -Xint                                           TestReferenceCAS
!  * @run main/othervm -Diters=20000 -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:ShenandoahGCHeuristics=aggressive -XX:+UseShenandoahGC -XX:-TieredCompilation                          TestReferenceCAS
!  * @run main/othervm -Diters=20000 -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:ShenandoahGCHeuristics=aggressive -XX:+UseShenandoahGC -XX:TieredStopAtLevel=1                         TestReferenceCAS
!  * @run main/othervm -Diters=20000 -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:ShenandoahGCHeuristics=aggressive -XX:+UseShenandoahGC -XX:TieredStopAtLevel=4                         TestReferenceCAS
!  *
!  * @run main/othervm -Diters=20000 -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:ShenandoahGCHeuristics=aggressive -XX:+UseShenandoahGC -XX:-UseCompressedOops                          TestReferenceCAS
!  * @run main/othervm -Diters=100   -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:ShenandoahGCHeuristics=aggressive -XX:+UseShenandoahGC -XX:-UseCompressedOops -Xint                    TestReferenceCAS
!  * @run main/othervm -Diters=20000 -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:ShenandoahGCHeuristics=aggressive -XX:+UseShenandoahGC -XX:-UseCompressedOops -XX:-TieredCompilation   TestReferenceCAS
!  * @run main/othervm -Diters=20000 -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:ShenandoahGCHeuristics=aggressive -XX:+UseShenandoahGC -XX:-UseCompressedOops -XX:TieredStopAtLevel=1  TestReferenceCAS
!  * @run main/othervm -Diters=20000 -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -XX:ShenandoahGCHeuristics=aggressive -XX:+UseShenandoahGC -XX:-UseCompressedOops -XX:TieredStopAtLevel=4  TestReferenceCAS
   */
  
  import java.lang.reflect.Field;
  
  public class TestReferenceCAS {
  
      static final int ITERS = Integer.getInteger("iters", 1);
      static final int WEAK_ATTEMPTS = Integer.getInteger("weakAttempts", 10);
  
*** 68,79 ****
          }
      }
  
      Object v;
  
!     @Test
!     public void testFieldInstance() {
          TestReferenceCAS t = new TestReferenceCAS();
          for (int c = 0; c < ITERS; c++) {
              testAccess(t, V_OFFSET);
          }
      }
--- 66,88 ----
          }
      }
  
      Object v;
  
!     private static void assertEquals(boolean a, boolean b, String msg) {
!         if (a != b) {
!             throw new RuntimeException("a (" + a + ") != b (" + b + "): " + msg);
!         }
!     }
! 
!     private static void assertEquals(Object a, Object b, String msg) {
!         if (!a.equals(b)) {
!             throw new RuntimeException("a (" + a.toString() + ") != b (" + b.toString() + "): " + msg);
!         }
!     }
! 
!     public static void main(String[] args) {
          TestReferenceCAS t = new TestReferenceCAS();
          for (int c = 0; c < ITERS; c++) {
              testAccess(t, V_OFFSET);
          }
      }