1 /*
   2  * Copyright (c) 2017, 2020, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 
  25 /*
  26  * @test
  27  * @key stress gc
  28  *
  29  * @summary converted from VM Testbase gc/g1/unloading/tests/unloading_keepRef_stackLocal_keep_class.
  30  * VM Testbase keywords: [gc, stress, stressopt, nonconcurrent, javac]
  31  *
  32  * @modules java.base/jdk.internal.misc
  33  * @library /vmTestbase
  34  *          /test/lib
  35  *
  36  * @run driver jdk.test.lib.FileInstaller . .
  37  *
  38  * @comment generate HumongousTemplateClass and compile it to test.classes
  39  * @run driver gc.g1.unloading.bytecode.GenClassesBuilder
  40  *
  41  * @requires vm.gc.G1
  42  * @requires vm.opt.ClassUnloading != false
  43  * @requires vm.opt.ClassUnloadingWithConcurrentMark != false
  44  * @build sun.hotspot.WhiteBox
  45  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  46  * @run main/othervm
  47  *      -Xbootclasspath/a:.
  48  *      -XX:+UnlockDiagnosticVMOptions
  49  *      -XX:+WhiteBoxAPI
  50  *      -XX:+UseG1GC
  51  *      -XX:+ExplicitGCInvokesConcurrent
  52  *      -Xlog:gc:gc.log
  53  *      -XX:-UseGCOverheadLimit
  54  *      gc.g1.unloading.UnloadingTest
  55  *      -keepRefMode STACK_LOCAL
  56  *      -keep class
  57  *      -numberOfChecksLimit 4
  58  *      -stressTime 180
  59  */
  60