--- /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/LimitTest.java	Tue Feb 03 15:07:07 2015 +0100
@@ -0,0 +1,171 @@
+/*
+ * Copyright (c) 2015, 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 static com.oracle.truffle.api.dsl.test.TestHelper.*;
+import static org.junit.Assert.*;
+
+import org.junit.*;
+
+import com.oracle.truffle.api.*;
+import com.oracle.truffle.api.dsl.*;
+import com.oracle.truffle.api.dsl.test.LimitTestFactory.ConstantLimitTestFactory;
+import com.oracle.truffle.api.dsl.test.LimitTestFactory.DefaultLimit3TestFactory;
+import com.oracle.truffle.api.dsl.test.LimitTestFactory.LocalLimitTestFactory;
+import com.oracle.truffle.api.dsl.test.LimitTestFactory.MethodLimitTestFactory;
+import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode;
+
+@SuppressWarnings("unused")
+public class LimitTest {
+
+    @Test
+    public void testDefaultLimit3() {
+        CallTarget root = createCallTarget(DefaultLimit3TestFactory.getInstance());
+        assertEquals(42, root.call(42));
+        assertEquals(43, root.call(43));
+        assertEquals(44, root.call(44));
+        try {
+            root.call(45);
+            fail();
+        } catch (UnsupportedSpecializationException e) {
+        }
+    }
+
+    @NodeChild
+    static class DefaultLimit3Test extends ValueNode {
+        @Specialization(guards = "value == cachedValue")
+        static int do1(int value, @Cached("value") int cachedValue) {
+            return cachedValue;
+        }
+    }
+
+    @Test
+    public void testConstantLimit() {
+        CallTarget root = createCallTarget(ConstantLimitTestFactory.getInstance());
+        assertEquals(42, root.call(42));
+        assertEquals(43, root.call(43));
+        try {
+            root.call(44);
+            fail();
+        } catch (UnsupportedSpecializationException e) {
+        }
+    }
+
+    @NodeChild
+    static class ConstantLimitTest extends ValueNode {
+
+        public static final int LIMIT = 2;
+
+        @Specialization(limit = "LIMIT", guards = "value == cachedValue")
+        static int do1(int value, @Cached("value") int cachedValue) {
+            return cachedValue;
+        }
+    }
+
+    @Test
+    public void testLocalLimit() {
+        CallTarget root = createCallTarget(LocalLimitTestFactory.getInstance());
+        assertEquals(42, root.call(42));
+        assertEquals(43, root.call(43));
+        try {
+            root.call(44);
+            fail();
+        } catch (UnsupportedSpecializationException e) {
+        }
+    }
+
+    @NodeChild
+    static class LocalLimitTest extends ValueNode {
+
+        protected int localLimit = 2;
+
+        @Specialization(limit = "localLimit", guards = "value == cachedValue")
+        static int do1(int value, @Cached("value") int cachedValue) {
+            return cachedValue;
+        }
+    }
+
+    @Test
+    public void testMethodLimit() {
+        MethodLimitTest.invocations = 0;
+        CallTarget root = createCallTarget(MethodLimitTestFactory.getInstance());
+        assertEquals(42, root.call(42));
+        assertEquals(43, root.call(43));
+        try {
+            root.call(44);
+            fail();
+        } catch (UnsupportedSpecializationException e) {
+        }
+        assertEquals(3, MethodLimitTest.invocations);
+    }
+
+    @NodeChild
+    static class MethodLimitTest extends ValueNode {
+
+        static int invocations = 0;
+
+        @Specialization(limit = "calculateLimitFor(cachedValue, invocations)", guards = "value == cachedValue")
+        static int do1(int value, @Cached("value") int cachedValue) {
+            return cachedValue;
+        }
+
+        int calculateLimitFor(int cachedValue, int boundField) {
+            invocations = boundField + 1;
+            return 2;
+        }
+
+    }
+
+    @NodeChild
+    static class LimitErrorTest1 extends ValueNode {
+        @ExpectError("The limit expression has no effect.%")
+        @Specialization(limit = "4")
+        static int do1(int value) {
+            return value;
+        }
+    }
+
+    @NodeChild
+    static class LimitErrorTest2 extends ValueNode {
+        public static final Object CONSTANT = new Object();
+
+        @ExpectError("Incompatible return type Object. Limit expressions must return int.")
+        @Specialization(limit = "CONSTANT", guards = "value == cachedValue")
+        static int do1(int value, @Cached("value") int cachedValue) {
+            return value;
+        }
+    }
+
+    @NodeChild
+    static class LimitErrorTest3 extends ValueNode {
+
+        public static final Object CONSTANT = new Object();
+
+        @ExpectError("Limit expressions must not bind dynamic parameter values.")
+        @Specialization(limit = "value", guards = "value == cachedValue")
+        static int do1(int value, @Cached("value") int cachedValue) {
+            return value;
+        }
+    }
+
+}