1 /* 2 * Copyright (c) 2015, 2018, 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 * @summary Exercise GC with shared strings 28 * @requires vm.cds.archived.java.heap 29 * @library /test/hotspot/jtreg/runtime/appcds /test/lib 30 * @modules jdk.jartool/sun.tools.jar 31 * @build HelloStringGC sun.hotspot.WhiteBox 32 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 33 * @run driver ExerciseGC 34 */ 35 public class ExerciseGC { 36 public static void main(String[] args) throws Exception { 37 SharedStringsUtils.run(args, ExerciseGC::test); 38 } 39 public static void test(String[] args) throws Exception { 40 SharedStringsUtils.buildJarAndWhiteBox("HelloStringGC"); 41 42 SharedStringsUtils.dumpWithWhiteBox(TestCommon.list("HelloStringGC"), 43 "SharedStringsBasic.txt", "-Xlog:cds,cds+hashtables"); 44 45 SharedStringsUtils.runWithArchiveAndWhiteBox("HelloStringGC", 46 "-XX:+UnlockDiagnosticVMOptions", "-XX:+VerifyBeforeGC"); 47 } 48 }