From 0f5e030badfdca4b3b5adab86b0b62050581fb11 Mon Sep 17 00:00:00 2001
From: Chris Plummer <cjplummer@openjdk.org>
Date: Tue, 15 Aug 2023 20:55:27 +0000
Subject: [PATCH] 8309335: Get rid of use of reflection to call
 Thread.isVirtual() in
 nsk/jdi/EventRequestManager/stepRequests/stepreq001t.java

Reviewed-by: lmesnik, sspitsyn, alanb
---
 .../stepRequests/stepreq001t.java                  | 14 ++------------
 1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/test/hotspot/jtreg/vmTestbase/nsk/jdi/EventRequestManager/stepRequests/stepreq001t.java b/test/hotspot/jtreg/vmTestbase/nsk/jdi/EventRequestManager/stepRequests/stepreq001t.java
index 1261e9f4aeb..cc64d696228 100644
--- a/test/hotspot/jtreg/vmTestbase/nsk/jdi/EventRequestManager/stepRequests/stepreq001t.java
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jdi/EventRequestManager/stepRequests/stepreq001t.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2022, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2023, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -23,7 +23,6 @@
 
 package nsk.jdi.EventRequestManager.stepRequests;
 
-import java.lang.reflect.Method;
 import nsk.share.jpda.*;
 import nsk.share.jdi.*;
 
@@ -63,7 +62,7 @@ public class stepreq001t {
             for (int i=1; i<stepreq001.THRDS_NUM; i++) {
                 thrs[i] = JDIThreadFactory.newThread(new stepreq001a(readyObj, lockObj,
                     stepreq001.DEBUGGEE_THRDS[i]));
-                if (!isVirtual(thrs[i])) {
+                if (!thrs[i].isVirtual()) {
                     thrs[i].setDaemon(stepreq001.DAEMON_THRDS[i]);
                 }
                 if (argHandler.verbose())
@@ -112,15 +111,6 @@ public class stepreq001t {
             stepreq001.PASSED;
     }
 
-    private static boolean isVirtual(Thread thread) {
-        try {
-            Method isVirtual = Thread.class.getMethod("isVirtual");
-            return (boolean) isVirtual.invoke(thread);
-        } catch (Exception e) {
-            throw new RuntimeException(e);
-        }
-    }
-
     class stepreq001a extends NamedTask {
         private Object readyObj;
         private Object lockObj;