--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/nodes/serial/TestNodes.java	Wed Oct 02 15:33:08 2013 +0200
@@ -0,0 +1,221 @@
+/*
+ * Copyright (c) 2012, 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.test.nodes.serial;
+
+import java.util.*;
+
+import com.oracle.truffle.api.nodes.*;
+
+final class TestNodes {
+
+    private TestNodes() {
+    }
+
+    static class StringNode extends Node {
+
+        private final String name;
+
+        public StringNode(String name) {
+            this.name = name;
+        }
+
+        @Override
+        public int hashCode() {
+            return Objects.hash(name);
+        }
+
+        @Override
+        public boolean equals(Object obj) {
+            if (obj == null) {
+                return false;
+            } else if (obj.getClass() != getClass()) {
+                return false;
+            } else if ((((Node) obj).getParent() != null) && !((Node) obj).getParent().equals(getParent())) {
+                return false;
+            } else if (!Objects.equals(name, ((StringNode) obj).name)) {
+                return false;
+            }
+            return true;
+        }
+    }
+
+    static class EmptyNode extends Node {
+
+        @Override
+        public int hashCode() {
+            return super.hashCode();
+        }
+
+        @Override
+        public boolean equals(Object obj) {
+            if (obj == null) {
+                return false;
+            } else if (obj.getClass() != getClass()) {
+                return false;
+            } else if ((((Node) obj).getParent() != null) && !((Node) obj).getParent().equals(getParent())) {
+                return false;
+            }
+            return true;
+        }
+    }
+
+    static class NodeWithOneChild extends EmptyNode {
+
+        @Child Node child;
+
+        public NodeWithOneChild(Node child) {
+            this.child = adoptChild(child);
+        }
+
+    }
+
+    static class NodeWithTwoChilds extends EmptyNode {
+
+        @Child Node child1;
+        @Child Node child2;
+
+        public NodeWithTwoChilds(Node child1, Node child2) {
+            this.child1 = adoptChild(child1);
+            this.child2 = adoptChild(child2);
+        }
+
+    }
+
+    static class NodeWithThreeChilds extends EmptyNode {
+
+        @Child Node child1;
+        @Child Node child2;
+        @Child Node child3;
+
+        public NodeWithThreeChilds(Node child1, Node child2, Node child3) {
+            this.child1 = adoptChild(child1);
+            this.child2 = adoptChild(child2);
+            this.child3 = adoptChild(child3);
+        }
+
+    }
+
+    static class NodeWithArray extends EmptyNode {
+
+        @Children private final Node[] childNodes;
+
+        NodeWithArray(Node[] children) {
+            this.childNodes = adoptChildren(children);
+        }
+
+        Node[] getChildNodes() {
+            return childNodes;
+        }
+    }
+
+    static class NodeWithTwoArray extends EmptyNode {
+
+        @Children private final Node[] childNodes1;
+        @Children private final Node[] childNodes2;
+
+        NodeWithTwoArray(Node[] childs1, Node[] childs2) {
+            this.childNodes1 = adoptChildren(childs1);
+            this.childNodes2 = adoptChildren(childs2);
+        }
+
+        Node[] getChildNodes1() {
+            return childNodes1;
+        }
+
+        Node[] getChildNodes2() {
+            return childNodes2;
+        }
+    }
+
+    static class NodeWithFields extends EmptyNode {
+
+        String stringField;
+        int integerField;
+        Integer integerObjectField;
+        long longField;
+        Long longObjectField;
+        float floatField;
+        Float floatObjectField;
+        double doubleField;
+        Double doubleObjectField;
+        char charField;
+        Character charObjectField;
+        short shortField;
+        Short shortObjecField;
+        byte byteField;
+        Byte byteObjectField;
+        boolean booleanField;
+        Boolean booleanObjectfield;
+
+        public NodeWithFields(String stringField, int integerField, Integer integerObjectField, long longField, Long longObjectField, float floatField, Float floatObjectField, double doubleField,
+                        Double doubleObjectField, char charField, Character charObjectField, short shortField, Short shortObjecField, byte byteField, Byte byteObjectField, boolean booleanField,
+                        Boolean booleanObjectfield) {
+            this.stringField = stringField;
+            this.integerField = integerField;
+            this.integerObjectField = integerObjectField;
+            this.longField = longField;
+            this.longObjectField = longObjectField;
+            this.floatField = floatField;
+            this.floatObjectField = floatObjectField;
+            this.doubleField = doubleField;
+            this.doubleObjectField = doubleObjectField;
+            this.charField = charField;
+            this.charObjectField = charObjectField;
+            this.shortField = shortField;
+            this.shortObjecField = shortObjecField;
+            this.byteField = byteField;
+            this.byteObjectField = byteObjectField;
+            this.booleanField = booleanField;
+            this.booleanObjectfield = booleanObjectfield;
+        }
+
+        @Override
+        public int hashCode() {
+            return Objects.hash(stringField, integerField, integerObjectField, longField, longObjectField, floatField, floatObjectField, doubleField, doubleObjectField, charField, charObjectField,
+                            shortField, shortObjecField, byteField, byteObjectField, booleanField, booleanObjectfield);
+        }
+
+        @Override
+        public boolean equals(Object obj) {
+            if (this == obj) {
+                return true;
+            }
+            if (obj.getClass() != getClass()) {
+                return false;
+            }
+            NodeWithFields o = (NodeWithFields) obj;
+            return Objects.deepEquals(fieldArray(), o.fieldArray());
+        }
+
+        private Object[] fieldArray() {
+            return array(stringField, integerField, integerObjectField, longField, longObjectField, floatField, floatObjectField, doubleField, doubleObjectField, charField, charObjectField,
+                            shortField, shortObjecField, byteField, byteObjectField, booleanField, booleanObjectfield);
+        }
+
+        private static Object[] array(Object... values) {
+            return values;
+        }
+
+    }
+
+}