--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/gc/arguments/TestCompressedClassFlags.java	Mon Aug 12 17:37:02 2013 +0200
@@ -0,0 +1,49 @@
+/*
+ * 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 8015107
+ * @summary Tests that VM prints a warning when -XX:CompressedClassSpaceSize
+ *          is used together with -XX:-UseCompressedClassPointers
+ * @library /testlibrary
+ */
+public class TestCompressedClassFlags {
+    public static void main(String[] args) throws Exception {
+        if (Platform.is64bit()) {
+            OutputAnalyzer output = runJava("-XX:CompressedClassSpaceSize=1g",
+                                            "-XX:-UseCompressedClassPointers",
+                                            "-version");
+            output.shouldContain("warning");
+            output.shouldNotContain("error");
+            output.shouldHaveExitValue(0);
+        }
+    }
+
+    private static OutputAnalyzer runJava(String ... args) throws Exception {
+        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(args);
+        return new OutputAnalyzer(pb.start());
+    }
+}