--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/TypeSystemTest.java	Mon Jul 01 20:58:32 2013 +0200
@@ -0,0 +1,131 @@
+/*
+ * Copyright (c) 2012, 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.
+ */
+package com.oracle.truffle.api.dsl.test;
+
+import com.oracle.truffle.api.*;
+import com.oracle.truffle.api.dsl.*;
+import com.oracle.truffle.api.dsl.test.NodeContainerTest.Str;
+import com.oracle.truffle.api.frame.*;
+import com.oracle.truffle.api.nodes.*;
+
+public class TypeSystemTest {
+
+    @TypeSystem({int.class, boolean.class, String.class, Str.class, CallTarget.class, Object[].class})
+    static class SimpleTypes {
+    }
+
+    @TypeSystemReference(SimpleTypes.class)
+    public abstract static class ValueNode extends Node {
+
+        public int executeInt(VirtualFrame frame) throws UnexpectedResultException {
+            return SimpleTypesGen.SIMPLETYPES.expectInteger(execute(frame));
+        }
+
+        public Str executeStr(VirtualFrame frame) throws UnexpectedResultException {
+            return SimpleTypesGen.SIMPLETYPES.expectStr(execute(frame));
+        }
+
+        public String executeString(VirtualFrame frame) throws UnexpectedResultException {
+            return SimpleTypesGen.SIMPLETYPES.expectString(execute(frame));
+        }
+
+        public boolean executeBoolean(VirtualFrame frame) throws UnexpectedResultException {
+            return SimpleTypesGen.SIMPLETYPES.expectBoolean(execute(frame));
+        }
+
+        public Object[] executeIntArray(VirtualFrame frame) throws UnexpectedResultException {
+            return SimpleTypesGen.SIMPLETYPES.expectObjectArray(execute(frame));
+        }
+
+        public abstract Object execute(VirtualFrame frame);
+
+        @Override
+        public ValueNode copy() {
+            return (ValueNode) super.copy();
+        }
+    }
+
+    @NodeChild(value = "children", type = ValueNode[].class)
+    public abstract static class ChildrenNode extends ValueNode {
+
+    }
+
+    @TypeSystemReference(SimpleTypes.class)
+    public static class TestRootNode<E extends ValueNode> extends RootNode {
+
+        @Child private E node;
+
+        public TestRootNode(E node) {
+            this.node = adoptChild(node);
+        }
+
+        @Override
+        public Object execute(VirtualFrame frame) {
+            return node.execute(frame);
+        }
+
+        public E getNode() {
+            return node;
+        }
+    }
+
+    public static class TestArguments extends Arguments {
+
+        private final Object[] values;
+
+        public TestArguments(Object... values) {
+            this.values = values;
+        }
+
+        public Object[] getValues() {
+            return values;
+        }
+
+        public Object get(int index) {
+            return values[index];
+        }
+
+    }
+
+    public static class ArgumentNode extends ValueNode {
+
+        private int invocationCount;
+        final int index;
+
+        public ArgumentNode(int index) {
+            this.index = index;
+        }
+
+        public int getInvocationCount() {
+            return invocationCount;
+        }
+
+        @Override
+        public Object execute(VirtualFrame frame) {
+            invocationCount++;
+            return frame.getArguments(TestArguments.class).get(index);
+        }
+
+    }
+
+}