changeset 8576:4aac5a6d3eb2

8129332: Missing test case for JDK-8078438 Summary: Add the test case originally developed for JDK-8078438 Reviewed-by: tschatzl
author shade
date Tue, 23 Jun 2015 10:12:44 +0200
parents 5916110131c4
children ee8ce10986aa
files test/gc/CondCardMark/Basic.java
diffstat 1 files changed, 65 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/gc/CondCardMark/Basic.java	Tue Jun 23 10:12:44 2015 +0200
@@ -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;
+    }
+
+}