changeset 4939:1bbccbe38470

8006628: NEED_TEST for JDK-8002870 Summary: Regression test for 8000311. Verifies that PLABStats works with zero parallel GC threads. Reviewed-by: jmasa, johnc Contributed-by: Filipp Zhinkin <filipp.zhinkin@oracle.com>
author johnc
date Tue, 19 Feb 2013 16:22:28 -0800
parents d40d2a206cab
children 1448ebfef4f1
files test/gc/8000311/Test8000311.java
diffstat 1 files changed, 42 insertions(+), 0 deletions(-) [+]
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/gc/8000311/Test8000311.java	Tue Feb 19 16:22:28 2013 -0800
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2013, 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 Test8000311
+ * @key gc
+ * @bug 8000311
+ * @summary G1: ParallelGCThreads==0 broken
+ * @run main/othervm -XX:+UseG1GC -XX:ParallelGCThreads=0 -XX:+ResizePLAB -XX:+ExplicitGCInvokesConcurrent Test8000311
+ * @author filipp.zhinkin@oracle.com
+ */
+
+import java.util.*;
+
+public class Test8000311 {
+  public static void main(String args[]) {
+    for(int i = 0; i<100; i++) {
+      byte[] garbage = new byte[1000];
+      System.gc();
+    }
+  }
+}