--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/compiler/types/correctness/scenarios/Scenario.java	Fri Apr 11 18:46:35 2014 +0400
@@ -0,0 +1,108 @@
+/*
+ * 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 scenarios;
+
+import hierarchies.TypeHierarchy;
+
+/**
+ * Test scenario
+ *
+ * @param <T> parameter type
+ * @param <R> result type
+ */
+public abstract class Scenario<T extends TypeHierarchy.I, R> {
+
+    private final String name;
+    public final ProfilingType profilingType;
+    public final TypeHierarchy <? extends T, ? extends T> hierarchy;
+    protected volatile T field;
+
+    /**
+     * Constructor
+     *
+     * @param name          scenario name
+     * @param profilingType tested profiling type
+     * @param hierarchy     type hierarchy
+     */
+    protected Scenario(String name, ProfilingType profilingType,
+                       TypeHierarchy<? extends T, ? extends T> hierarchy) {
+        this.profilingType = profilingType;
+        this.name = name + " # " + profilingType.name();
+        this.hierarchy = hierarchy;
+    }
+
+    /**
+     * Returns the object which should be used as a parameter
+     * for the methods used for profile data
+     *
+     * @return profiled type object
+     */
+    public T getProfiled() {
+        return hierarchy.getM();
+    }
+
+    /**
+     * Returns the object which makes a conflict for a profiled data
+     * when passed instead of {@linkplain Scenario#getProfiled}
+     *
+     * @return incompatible to profiled object
+     */
+    public T getConflict() {
+        return hierarchy.getN();
+    }
+
+    /**
+     * @return scenario name
+     */
+    public String getName() {
+        return name;
+    }
+
+    /** Is this scenario applicable for a hierarchy it was constructed with */
+    public boolean isApplicable() {
+        return true;
+    }
+
+    /**
+     * Runs test scenario
+     *
+     * @param t subject of the test
+     * @return  result of the test invocation
+     */
+    public abstract R run(T t);
+
+    /** Used for a return type profiling */
+    protected final T collectReturnType(T t) {
+        return t;
+    }
+
+    /**
+     * Checks the result for R and T
+     *
+     * @param r result
+     * @param t original
+     * @throws java.lang.RuntimeException on result mismatch
+     */
+    public abstract void check(R r, T t);
+}