test/gc/class_unloading/TestCMSClassUnloadingEnabledHWM.java

*** 57,69 ****
        "-XX:CMSWaitDuration=50",
        "-XX:MetaspaceSize=" + MetaspaceSize,
        "-Xmn" + YoungGenSize,
        "-XX:+UseConcMarkSweepGC",
        "-XX:" + (enableUnloading ? "+" : "-") + "CMSClassUnloadingEnabled",
!       "-XX:+PrintHeapAtGC",
!       "-XX:+PrintGCDetails",
!       "-XX:+PrintGCTimeStamps",
        TestCMSClassUnloadingEnabledHWM.AllocateBeyondMetaspaceSize.class.getName(),
        "" + MetaspaceSize);
      return new OutputAnalyzer(pb.start());
    }
  
--- 57,67 ----
        "-XX:CMSWaitDuration=50",
        "-XX:MetaspaceSize=" + MetaspaceSize,
        "-Xmn" + YoungGenSize,
        "-XX:+UseConcMarkSweepGC",
        "-XX:" + (enableUnloading ? "+" : "-") + "CMSClassUnloadingEnabled",
!       "-Xlog:gc",
        TestCMSClassUnloadingEnabledHWM.AllocateBeyondMetaspaceSize.class.getName(),
        "" + MetaspaceSize);
      return new OutputAnalyzer(pb.start());
    }
  
*** 77,96 ****
  
    public static void testWithoutCMSClassUnloading() throws Exception {
      // -XX:-CMSClassUnloadingEnabled is used, so we expect a full GC instead of a concurrent cycle.
      OutputAnalyzer out = runWithoutCMSClassUnloading();
  
!     out.shouldMatch(".*Full GC.*");
!     out.shouldNotMatch(".*CMS Initial Mark.*");
    }
  
    public static void testWithCMSClassUnloading() throws Exception {
      // -XX:+CMSClassUnloadingEnabled is used, so we expect a concurrent cycle instead of a full GC.
      OutputAnalyzer out = runWithCMSClassUnloading();
  
!     out.shouldMatch(".*CMS Initial Mark.*");
!     out.shouldNotMatch(".*Full GC.*");
    }
  
    public static void main(String args[]) throws Exception {
      testWithCMSClassUnloading();
      testWithoutCMSClassUnloading();
--- 75,94 ----
  
    public static void testWithoutCMSClassUnloading() throws Exception {
      // -XX:-CMSClassUnloadingEnabled is used, so we expect a full GC instead of a concurrent cycle.
      OutputAnalyzer out = runWithoutCMSClassUnloading();
  
!     out.shouldMatch(".*Pause Full.*");
!     out.shouldNotMatch(".*Pause Initial Mark.*");
    }
  
    public static void testWithCMSClassUnloading() throws Exception {
      // -XX:+CMSClassUnloadingEnabled is used, so we expect a concurrent cycle instead of a full GC.
      OutputAnalyzer out = runWithCMSClassUnloading();
  
!     out.shouldMatch(".*Pause Initial Mark.*");
!     out.shouldNotMatch(".*Pause Full.*");
    }
  
    public static void main(String args[]) throws Exception {
      testWithCMSClassUnloading();
      testWithoutCMSClassUnloading();