--- old/test/hotspot/jtreg/runtime/appcds/sharedStrings/LockStringValueTest.java 2019-07-24 08:28:06.413467707 -0400 +++ /dev/null 2019-07-22 09:37:15.068007775 -0400 @@ -1,61 +0,0 @@ -/* - * Copyright (c) 2015, 2017, 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. - * - */ - -import java.lang.reflect.*; -import sun.hotspot.WhiteBox; - -/* - * Lock the 'value' field of a known shared string, java.lang.Object - */ -public class LockStringValueTest { - public static void main(String args[]) { - String s = "LiveOak"; - WhiteBox wb = WhiteBox.getWhiteBox(); - - if (wb.areSharedStringsIgnored()) { - System.out.println("The shared strings are ignored"); - System.out.println("LockStringValueTest: PASS"); - return; - } - - if (!wb.isShared(s)) { - throw new RuntimeException("LockStringValueTest Failed: String is not shared."); - } - - Class c = s.getClass(); - try { - Field f = c.getDeclaredField("value"); - f.setAccessible(true); - Object v = f.get(s); - lock(v); - } catch (NoSuchFieldException nfe) { - } catch (IllegalAccessException iae) {} - } - - public static void lock(Object o) { - synchronized (o) { - System.out.println("LockStringValueTest: PASS"); - } - } -} --- /dev/null 2019-07-22 09:37:15.068007775 -0400 +++ new/test/hotspot/jtreg/runtime/cds/sharedStrings/LockStringValueTest.java 2019-07-24 08:28:06.081467719 -0400 @@ -0,0 +1,61 @@ +/* + * Copyright (c) 2015, 2017, 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. + * + */ + +import java.lang.reflect.*; +import sun.hotspot.WhiteBox; + +/* + * Lock the 'value' field of a known shared string, java.lang.Object + */ +public class LockStringValueTest { + public static void main(String args[]) { + String s = "LiveOak"; + WhiteBox wb = WhiteBox.getWhiteBox(); + + if (wb.areSharedStringsIgnored()) { + System.out.println("The shared strings are ignored"); + System.out.println("LockStringValueTest: PASS"); + return; + } + + if (!wb.isShared(s)) { + throw new RuntimeException("LockStringValueTest Failed: String is not shared."); + } + + Class c = s.getClass(); + try { + Field f = c.getDeclaredField("value"); + f.setAccessible(true); + Object v = f.get(s); + lock(v); + } catch (NoSuchFieldException nfe) { + } catch (IllegalAccessException iae) {} + } + + public static void lock(Object o) { + synchronized (o) { + System.out.println("LockStringValueTest: PASS"); + } + } +}