--- /dev/null 2015-05-01 17:48:48.457547995 +0300 +++ new/test/gc/CondCardMark/Basic.java 2015-05-06 19:23:49.117486763 +0300 @@ -0,0 +1,65 @@ +/* + * Copyright (c) 2014, 2015, 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. + */ + +/** + * @test + * @bug 8076987 + * @bug 8078438 + * @summary Verify UseCondCardMark works + * @library /testlibrary /../../test/lib + * @build Basic + * @run main/othervm -Xint Basic + * @run main/othervm -Xint -XX:+UseCondCardMark Basic + * @run main/othervm -XX:TieredStopAtLevel=1 Basic + * @run main/othervm -XX:TieredStopAtLevel=1 -XX:+UseCondCardMark Basic + * @run main/othervm -XX:TieredStopAtLevel=4 Basic + * @run main/othervm -XX:TieredStopAtLevel=4 -XX:+UseCondCardMark Basic + * @run main/othervm -XX:-TieredCompilation Basic + * @run main/othervm -XX:-TieredCompilation -XX:+UseCondCardMark Basic +*/ +public class Basic { + + static volatile MyObject sink; + + public static void main(String args[]) { + final int COUNT = 10000000; + for (int c = 0; c < COUNT; c++) { + MyObject o = new MyObject(); + o.x = c; + doStore(o); + } + + if (sink.x != COUNT-1) { + throw new IllegalStateException("Failed"); + } + } + + public static void doStore(MyObject o) { + sink = o; + } + + static class MyObject { + int x; + } + +}