--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/runtime/NMT/JcmdWithNMTDisabled.java Sat Feb 02 16:34:10 2013 +0100
@@ -0,0 +1,63 @@
+/*
+ * 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
+ * @key nmt jcmd
+ * @summary Verify that jcmd correctly reports that NMT is not enabled
+ * @library /testlibrary
+ * First run without enabling NMT
+ * @run main/othervm JcmdWithNMTDisabled
+ * Then run with explicitly disabling NMT, should not be any difference
+ * @run main/othervm -XX:NativeMemoryTracking=off JcmdWithNMTDisabled
+ */
+
+import com.oracle.java.testlibrary.*;
+
+public class JcmdWithNMTDisabled {
+ static ProcessBuilder pb = new ProcessBuilder();
+ static String pid;
+
+ public static void main(String args[]) throws Exception {
+ // Grab my own PID
+ pid = Integer.toString(ProcessTools.getProcessId());
+
+ jcmdCommand("summary");
+ jcmdCommand("detail");
+ jcmdCommand("baseline");
+ jcmdCommand("summary.diff");
+ jcmdCommand("detail.diff");
+ jcmdCommand("scale=GB");
+ jcmdCommand("shutdown");
+ }
+
+ // Helper method for invoking different jcmd calls, all should fail with the same message saying NMT is not enabled
+ public static void jcmdCommand(String command) throws Exception {
+
+ pb.command(new String[] { JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", command});
+ OutputAnalyzer output = new OutputAnalyzer(pb.start());
+
+ // Verify that jcmd reports that NMT is not enabled
+ output.shouldContain("Native memory tracking is not enabled");
+ }
+}