--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.graal.java.test/src/com/oracle/graal/java/test/TypeUniverse.java	Tue May 26 23:45:05 2015 +0200
@@ -0,0 +1,150 @@
+/*
+ * Copyright (c) 2013, 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 com.oracle.graal.java.test;
+
+import java.io.*;
+import java.lang.reflect.*;
+import java.util.*;
+import java.util.Queue;
+
+import org.junit.*;
+
+import sun.misc.*;
+
+import com.oracle.graal.api.meta.*;
+import com.oracle.graal.api.replacements.*;
+import com.oracle.graal.api.runtime.*;
+import com.oracle.graal.phases.util.*;
+import com.oracle.graal.runtime.*;
+
+/**
+ * Context for type related api.meta tests.
+ */
+public class TypeUniverse {
+
+    public final Unsafe unsafe;
+    public static final double JAVA_VERSION = Double.valueOf(System.getProperty("java.specification.version"));
+
+    public final MetaAccessProvider metaAccess;
+    public final ConstantReflectionProvider constantReflection;
+    public final SnippetReflectionProvider snippetReflection;
+    public final Collection<Class<?>> classes = new HashSet<>();
+    public final Map<Class<?>, Class<?>> arrayClasses = new HashMap<>();
+    public final List<JavaConstant> constants = new ArrayList<>();
+
+    public TypeUniverse() {
+        Providers providers = Graal.getRequiredCapability(RuntimeProvider.class).getHostBackend().getProviders();
+        metaAccess = providers.getMetaAccess();
+        constantReflection = providers.getConstantReflection();
+        snippetReflection = Graal.getRequiredCapability(SnippetReflectionProvider.class);
+        Unsafe theUnsafe = null;
+        try {
+            theUnsafe = Unsafe.getUnsafe();
+        } catch (Exception e) {
+            try {
+                Field theUnsafeField = Unsafe.class.getDeclaredField("theUnsafe");
+                theUnsafeField.setAccessible(true);
+                theUnsafe = (Unsafe) theUnsafeField.get(null);
+            } catch (Exception e1) {
+                throw (InternalError) new InternalError("unable to initialize unsafe").initCause(e1);
+            }
+        }
+        unsafe = theUnsafe;
+
+        Class<?>[] initialClasses = {void.class, boolean.class, byte.class, short.class, char.class, int.class, float.class, long.class, double.class, Object.class, Class.class, ClassLoader.class,
+                        String.class, Serializable.class, Cloneable.class, Test.class, TestMetaAccessProvider.class, List.class, Collection.class, Map.class, Queue.class, HashMap.class,
+                        LinkedHashMap.class, IdentityHashMap.class, AbstractCollection.class, AbstractList.class, ArrayList.class, TrustedInterface.class};
+        for (Class<?> c : initialClasses) {
+            addClass(c);
+        }
+        for (Field f : JavaConstant.class.getDeclaredFields()) {
+            int mods = f.getModifiers();
+            if (f.getType() == JavaConstant.class && Modifier.isPublic(mods) && Modifier.isStatic(mods) && Modifier.isFinal(mods)) {
+                try {
+                    JavaConstant c = (JavaConstant) f.get(null);
+                    if (c != null) {
+                        constants.add(c);
+                    }
+                } catch (Exception e) {
+                }
+            }
+        }
+        for (Class<?> c : classes) {
+            if (c != void.class && !c.isArray()) {
+                constants.add(snippetReflection.forObject(Array.newInstance(c, 42)));
+            }
+        }
+        constants.add(snippetReflection.forObject(new ArrayList<>()));
+        constants.add(snippetReflection.forObject(new IdentityHashMap<>()));
+        constants.add(snippetReflection.forObject(new LinkedHashMap<>()));
+        constants.add(snippetReflection.forObject(new TreeMap<>()));
+        constants.add(snippetReflection.forObject(new ArrayDeque<>()));
+        constants.add(snippetReflection.forObject(new LinkedList<>()));
+        constants.add(snippetReflection.forObject("a string"));
+        constants.add(snippetReflection.forObject(42));
+        constants.add(snippetReflection.forObject(String.class));
+        constants.add(snippetReflection.forObject(String[].class));
+    }
+
+    public synchronized Class<?> getArrayClass(Class<?> componentType) {
+        Class<?> arrayClass = arrayClasses.get(componentType);
+        if (arrayClass == null) {
+            arrayClass = Array.newInstance(componentType, 0).getClass();
+            arrayClasses.put(componentType, arrayClass);
+        }
+        return arrayClass;
+    }
+
+    public static int dimensions(Class<?> c) {
+        if (c.getComponentType() != null) {
+            return 1 + dimensions(c.getComponentType());
+        }
+        return 0;
+    }
+
+    private void addClass(Class<?> c) {
+        if (classes.add(c)) {
+            if (c.getSuperclass() != null) {
+                addClass(c.getSuperclass());
+            }
+            for (Class<?> sc : c.getInterfaces()) {
+                addClass(sc);
+            }
+            for (Class<?> dc : c.getDeclaredClasses()) {
+                addClass(dc);
+            }
+            for (Method m : c.getDeclaredMethods()) {
+                addClass(m.getReturnType());
+                for (Class<?> p : m.getParameterTypes()) {
+                    addClass(p);
+                }
+            }
+
+            if (c != void.class && dimensions(c) < 2) {
+                Class<?> arrayClass = Array.newInstance(c, 0).getClass();
+                arrayClasses.put(c, arrayClass);
+                addClass(arrayClass);
+            }
+        }
+    }
+}