--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/compiler/types/correctness/execution/TypeConflict.java	Fri Apr 11 18:46:35 2014 +0400
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2014, 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.
+ */
+
+package execution;
+
+import hierarchies.TypeHierarchy;
+import scenarios.Scenario;
+
+/**
+ *  Type profiling conflict execution scenario. The main goal is
+ *  to make compiler profile and compile methods with different types.
+ *  Scenario tests guards by passing conflicting types (incompatible
+ *  for the profiled data).
+ */
+public class TypeConflict<T extends TypeHierarchy.I, R> implements Execution<T, R> {
+    /** Test methods execution number to make profile  */
+    private final static int POLLUTION_THRESHOLD = 5000;
+    /** Test methods execution number to make it profiled and compiled*/
+    private final static int PROFILE_THRESHOLD = 20000;
+
+    @Override
+    public void execute(Scenario<T, R> scenario) {
+        T base = scenario.getProfiled();
+        T incompatible = scenario.getConflict();
+
+        // pollute profile by passing different types
+        R baseResult = null;
+        R incResult = null;
+        for (int i = 0; i < POLLUTION_THRESHOLD; i++) {
+            baseResult = methodNotToCompile(scenario, base);
+            incResult = methodNotToCompile(scenario, incompatible);
+        }
+        scenario.check(baseResult, base);
+        scenario.check(incResult, incompatible);
+
+        // profile and compile
+        R result = null;
+        for (int i = 0; i < PROFILE_THRESHOLD; i++) {
+            result = methodNotToCompile(scenario, base);
+        }
+        scenario.check(result, base);
+
+        // pass another type to make guard work and recompile
+        for (int i = 0; i < PROFILE_THRESHOLD; i++) {
+            result = methodNotToCompile(scenario, incompatible);
+        }
+        scenario.check(result, incompatible);
+    }
+
+    private R methodNotToCompile(Scenario<T, R> scenario, T t) {
+        return scenario.run(t);
+    }
+}
+