--- old/test/hotspot/jtreg/gc/shenandoah/TestAllocHumongousFragment.java	2020-04-04 02:23:19.424324524 +0200
+++ new/test/hotspot/jtreg/gc/shenandoah/TestAllocHumongousFragment.java	2020-04-04 02:23:19.321325476 +0200
@@ -93,6 +93,42 @@
  *      TestAllocHumongousFragment
  */
 
+/*
+ * @test TestAllocHumongousFragment
+ * @summary Make sure Shenandoah can recover from humongous allocation fragmentation
+ * @key gc
+ * @requires vm.gc.Shenandoah & !vm.graal.enabled
+ *
+ * @run main/othervm -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048
+ *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
+ *      -XX:+ShenandoahOOMDuringEvacALot -XX:+ShenandoahVerify
+ *      TestAllocHumongousFragment
+ *
+ * @run main/othervm -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048
+ *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
+ *      -XX:+ShenandoahAllocFailureALot -XX:+ShenandoahVerify
+ *      TestAllocHumongousFragment
+ *
+ * @run main/othervm -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048
+ *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
+ *      -XX:+ShenandoahOOMDuringEvacALot
+ *      TestAllocHumongousFragment
+ *
+ * @run main/othervm -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048
+ *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
+ *      -XX:+ShenandoahAllocFailureALot
+ *      TestAllocHumongousFragment
+ *
+ * @run main/othervm -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048
+ *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
+ *      -XX:+ShenandoahVerify
+ *      TestAllocHumongousFragment
+ *
+ * @run main/othervm -Xlog:gc -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xmx1g -Xms1g -XX:ShenandoahTargetNumRegions=2048
+ *      -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
+ *      TestAllocHumongousFragment
+ */
+
 import java.util.*;
 import java.util.concurrent.*;