diff -r 000000000000 -r f90c822e73f8 test/runtime/contended/Options.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/runtime/contended/Options.java	Wed Apr 27 01:25:04 2016 +0800
@@ -0,0 +1,103 @@
+/*
+ * 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.
+ */
+
+import com.oracle.java.testlibrary.*;
+
+/*
+ * @test
+ * @bug     8006997
+ * @summary ContendedPaddingWidth should be range-checked
+ *
+ * @library /testlibrary
+ * @run main Options
+ */
+public class Options {
+
+    public static void main(String[] args) throws Exception {
+        ProcessBuilder pb;
+        OutputAnalyzer output;
+
+        pb = ProcessTools.createJavaProcessBuilder("-XX:ContendedPaddingWidth=-128", "-version");
+        output = new OutputAnalyzer(pb.start());
+        output.shouldContain("ContendedPaddingWidth");
+        output.shouldContain("must be in between");
+        output.shouldHaveExitValue(1);
+
+        pb = ProcessTools.createJavaProcessBuilder("-XX:ContendedPaddingWidth=-8", "-version");
+        output = new OutputAnalyzer(pb.start());
+        output.shouldContain("ContendedPaddingWidth");
+        output.shouldContain("must be in between");
+        output.shouldHaveExitValue(1);
+
+        pb = ProcessTools.createJavaProcessBuilder("-XX:ContendedPaddingWidth=-1", "-version");
+        output = new OutputAnalyzer(pb.start());
+        output.shouldContain("ContendedPaddingWidth");
+        output.shouldContain("must be in between");
+        output.shouldContain("must be a multiple of 8");
+        output.shouldHaveExitValue(1);
+
+        pb = ProcessTools.createJavaProcessBuilder("-XX:ContendedPaddingWidth=0", "-version");
+        output = new OutputAnalyzer(pb.start());
+        output.shouldHaveExitValue(0);
+
+        pb = ProcessTools.createJavaProcessBuilder("-XX:ContendedPaddingWidth=1", "-version");
+        output = new OutputAnalyzer(pb.start());
+        output.shouldContain("ContendedPaddingWidth");
+        output.shouldContain("must be a multiple of 8");
+        output.shouldHaveExitValue(1);
+
+        pb = ProcessTools.createJavaProcessBuilder("-XX:ContendedPaddingWidth=8", "-version");
+        output = new OutputAnalyzer(pb.start());
+        output.shouldHaveExitValue(0);
+
+        pb = ProcessTools.createJavaProcessBuilder("-XX:ContendedPaddingWidth=8184", "-version"); // 8192-8 = 8184
+        output = new OutputAnalyzer(pb.start());
+        output.shouldHaveExitValue(0);
+
+        pb = ProcessTools.createJavaProcessBuilder("-XX:ContendedPaddingWidth=8191", "-version");
+        output = new OutputAnalyzer(pb.start());
+        output.shouldContain("ContendedPaddingWidth");
+        output.shouldContain("must be a multiple of 8");
+        output.shouldHaveExitValue(1);
+
+        pb = ProcessTools.createJavaProcessBuilder("-XX:ContendedPaddingWidth=8192", "-version");
+        output = new OutputAnalyzer(pb.start());
+        output.shouldHaveExitValue(0);
+
+        pb = ProcessTools.createJavaProcessBuilder("-XX:ContendedPaddingWidth=8193", "-version");
+        output = new OutputAnalyzer(pb.start());
+        output.shouldContain("ContendedPaddingWidth");
+        output.shouldContain("must be in between");
+        output.shouldContain("must be a multiple of 8");
+        output.shouldHaveExitValue(1);
+
+        pb = ProcessTools.createJavaProcessBuilder("-XX:ContendedPaddingWidth=8200", "-version"); // 8192+8 = 8200
+        output = new OutputAnalyzer(pb.start());
+        output.shouldContain("ContendedPaddingWidth");
+        output.shouldContain("must be in between");
+        output.shouldHaveExitValue(1);
+
+   }
+
+}
+