diff test/gc/concurrentMarkSweep/CheckAllocateAndSystemGC.java @ 10408:836a62f43af9

Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/
author Doug Simon <doug.simon@oracle.com>
date Wed, 19 Jun 2013 10:45:56 +0200
parents a9d568b7df60
children
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/gc/concurrentMarkSweep/CheckAllocateAndSystemGC.java	Wed Jun 19 10:45:56 2013 +0200
@@ -0,0 +1,66 @@
+/*
+ * 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 CheckAllocateAndSystemGC
+ * @summary CMS: assert(used() == used_after_gc && used_after_gc <= capacity()) failed: used: 0 used_after_gc: 292080 capacity: 1431699456
+ * @bug 8013032
+ * @key gc
+ * @key regression
+ * @library /testlibrary
+ * @run main/othervm CheckAllocateAndSystemGC
+ * @author jon.masamitsu@oracle.com
+ */
+
+import com.oracle.java.testlibrary.*;
+
+public class CheckAllocateAndSystemGC {
+  public static void main(String args[]) throws Exception {
+
+    ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
+      "-showversion",
+      "-XX:+UseConcMarkSweepGC",
+      "-Xmn4m",
+      "-XX:MaxTenuringThreshold=1",
+      "-XX:-UseCMSCompactAtFullCollection",
+      "CheckAllocateAndSystemGC$AllocateAndSystemGC"
+      );
+
+    OutputAnalyzer output = new OutputAnalyzer(pb.start());
+
+    output.shouldNotContain("error");
+
+    output.shouldHaveExitValue(0);
+  }
+  static class AllocateAndSystemGC {
+    public static void main(String [] args) {
+      Integer x[] = new Integer [1000];
+      // Allocate enough objects to cause a minor collection.
+      // These allocations suffice for a 4m young geneneration.
+      for (int i = 0; i < 100; i++) {
+        Integer y[] = new Integer[10000];
+      }
+      System.gc();
+    }
+  }
+}