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test/hotspot/jtreg/vmTestbase/nsk/jdi/ReferenceType/instances/instances003/instances003.java
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@@ -39,10 +39,11 @@
* - initiate GarbageCollection in Debuggee VM
* - check the number of instances is 0
* done
* Test is executed for following sublcasses of ObjectReference: StringReference, ThreadReference, ClassLoaderReference
*
+ * @requires vm.gc != "Z"
* @library /vmTestbase
* /test/lib
* @run driver jdk.test.lib.FileInstaller . .
* @build nsk.jdi.ReferenceType.instances.instances003.instances003
* @run main/othervm/native PropertyResolvingWrapper
@@ -123,10 +124,15 @@
// during the time between creating them and disabling collection on them
pipe.println(HeapwalkingDebuggee.COMMAND_CREATE_INSTANCES + ":" + className + ":" + createInstanceCount +
":" + referrerCount + ":" + referrerType +
(referrerType.equals(ObjectInstancesManager.WEAK_REFERENCE) ? "|" + ObjectInstancesManager.STRONG_REFERENCE : ""));
+ // Note!
+ // Test broken - assumes that no GC is run before heap walk.
+ // G1 fails, just like ZGC, if en explicitly GC is done here.
+ // forceGC();
+
// the instance counts should not be affected by creating multiple references
checkDebugeeAnswer_instanceCounts(className, createInstanceCount, objectsToFilter);
ReferenceType referenceType = debuggee.classByName(className);
List<ObjectReference> instances = HeapwalkingDebugger.filterObjectReferrence(objectsToFilter, referenceType.instances(0));
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