test/hotspot/jtreg/gc/shenandoah/TestRefprocSanity.java

rev 58687 : Shenandoah: New incremental-update mode

@@ -40,10 +40,30 @@
  * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
  *      -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
  *      TestRefprocSanity
  */
 
+/*
+ * @test TestRefprocSanity
+ * @summary Test that null references/referents work fine
+ * @key gc
+ * @requires vm.gc.Shenandoah & !vm.graal.enabled
+ *
+ * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
+ *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
+ *      -XX:+ShenandoahVerify
+ *      TestRefprocSanity
+ *
+ * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
+ *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
+ *      TestRefprocSanity
+ *
+ * @run main/othervm -Xmx1g -Xms1g -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
+ *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
+ *      TestRefprocSanity
+ */
+
 import java.lang.ref.*;
 
 public class TestRefprocSanity {
 
     static final long TARGET_MB = Long.getLong("target", 10_000); // 10 Gb allocation