--- a/test/hotspot/jtreg/vmTestbase/vm/share/gc/TriggerUnloadingByFillingHeap.java	Sat Sep 08 09:38:06 2018 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,69 +0,0 @@
-/*
- * Copyright (c) 2013, 2018, 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
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-package vm.share.gc;
-
-import java.lang.management.ManagementFactory;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Random;
-
-import nsk.share.TestFailure;
-import nsk.share.test.ExecutionController;
-
-public class TriggerUnloadingByFillingHeap implements TriggerUnloadingHelper {
-
-    public void triggerUnloading(ExecutionController stresser) {
-        List<String> jvmArgs = ManagementFactory.getRuntimeMXBean().getInputArguments();
-        if (jvmArgs.contains("-XX:+ExplicitGCInvokesConcurrent")) {
-                throw new TestFailure("Test bug! Found -XX:+ExplicitGCInvokesConcurrent in jvm args. TriggerUnloadingByFillingHeap.triggerUnloading will not work!.");
-        }
-
-        System.out.println("collections invoked: " + provokeGC(stresser));
-        System.out.println("collections invoked: " + provokeGC(stresser));
-        System.out.println("collections invoked: " + provokeGC(stresser));
-    }
-
-    private static long getGCCounter() {
-        return ManagementFactory.getGarbageCollectorMXBeans().get(1).getCollectionCount();
-    }
-
-    private static Random random = new Random();
-
-    public static byte[] garbage; //make it reference public to avoid compiler optimizations
-
-    private static long provokeGC(ExecutionController stresser) {
-        long initCounter = getGCCounter();
-        ArrayList<byte[]> list = new ArrayList<byte[]>();
-        while (getGCCounter() == initCounter && stresser.continueExecution()) {
-            list.add(new byte[1024]);
-
-            garbage = new byte[1024];
-            if (random.nextInt(10) % 10 < 3 && !list.isEmpty()) {
-                list.remove(0);
-            }
-            System.gc();
-        }
-        return getGCCounter() - initCounter;
-    }
-
-}