--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/gc/shenandoah/options/TestWrongBarrierDisable.java	Mon Dec 10 15:47:44 2018 +0100
@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 2018, Red Hat, Inc. All rights reserved.
+ *
+ * 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 TestWrongBarrierDisable
+ * @summary Test that disabling wrong barriers fails early
+ * @key gc
+ * @requires vm.gc.Shenandoah
+ * @library /test/lib
+ * @run main/othervm TestWrongBarrierDisable
+ */
+
+import java.util.*;
+
+import jdk.test.lib.process.ProcessTools;
+import jdk.test.lib.process.OutputAnalyzer;
+
+public class TestWrongBarrierDisable {
+
+    public static void main(String[] args) throws Exception {
+        String[] concurrent = {
+                "ShenandoahReadBarrier",
+                "ShenandoahWriteBarrier",
+                "ShenandoahCASBarrier",
+                "ShenandoahAcmpBarrier",
+                "ShenandoahCloneBarrier",
+                "ShenandoahSATBBarrier",
+                "ShenandoahKeepAliveBarrier",
+                "ShenandoahStoreValReadBarrier",
+        };
+
+        String[] traversal = {
+                "ShenandoahReadBarrier",
+                "ShenandoahWriteBarrier",
+                "ShenandoahCASBarrier",
+                "ShenandoahAcmpBarrier",
+                "ShenandoahCloneBarrier",
+        };
+
+        shouldFailAll("adaptive",   concurrent);
+        shouldFailAll("static",     concurrent);
+        shouldFailAll("compact",    concurrent);
+        shouldFailAll("aggressive", concurrent);
+        shouldFailAll("traversal",  traversal);
+        shouldPassAll("passive",    concurrent);
+        shouldPassAll("passive",    traversal);
+    }
+
+    private static void shouldFailAll(String h, String[] barriers) throws Exception {
+        for (String b : barriers) {
+            ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
+                    "-XX:+UnlockDiagnosticVMOptions",
+                    "-XX:+UnlockExperimentalVMOptions",
+                    "-XX:+UseShenandoahGC",
+                    "-XX:ShenandoahGCHeuristics=" + h,
+                    "-XX:-" + b,
+                    "-version"
+            );
+            OutputAnalyzer output = new OutputAnalyzer(pb.start());
+            output.shouldNotHaveExitValue(0);
+            output.shouldContain("Heuristics needs ");
+            output.shouldContain("to work correctly");
+        }
+    }
+
+    private static void shouldPassAll(String h, String[] barriers) throws Exception {
+        for (String b : barriers) {
+            ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
+                    "-XX:+UnlockDiagnosticVMOptions",
+                    "-XX:+UnlockExperimentalVMOptions",
+                    "-XX:+UseShenandoahGC",
+                    "-XX:ShenandoahGCHeuristics=" + h,
+                    "-XX:-" + b,
+                    "-version"
+            );
+            OutputAnalyzer output = new OutputAnalyzer(pb.start());
+            output.shouldHaveExitValue(0);
+        }
+    }
+
+}