--- /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/MethodGuardsWithArgumentsTest.java	Mon Aug 18 18:41:16 2014 +0200
@@ -0,0 +1,265 @@
+/*
+ * 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 static com.oracle.truffle.api.dsl.test.TestHelper.*;
+
+import org.junit.*;
+
+import com.oracle.truffle.api.dsl.*;
+import com.oracle.truffle.api.dsl.test.MethodGuardsWithArgumentsTestFactory.MArguments0Factory;
+import com.oracle.truffle.api.dsl.test.MethodGuardsWithArgumentsTestFactory.MArguments1Factory;
+import com.oracle.truffle.api.dsl.test.MethodGuardsWithArgumentsTestFactory.MArgumentsDouble0Factory;
+import com.oracle.truffle.api.dsl.test.MethodGuardsWithArgumentsTestFactory.MArgumentsDouble1Factory;
+import com.oracle.truffle.api.dsl.test.MethodGuardsWithArgumentsTestFactory.MArgumentsDouble2Factory;
+import com.oracle.truffle.api.dsl.test.MethodGuardsWithArgumentsTestFactory.MArgumentsDouble3Factory;
+import com.oracle.truffle.api.dsl.test.MethodGuardsWithArgumentsTestFactory.MArgumentsSingle2Factory;
+import com.oracle.truffle.api.dsl.test.TypeSystemTest.TestRootNode;
+import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode;
+
+public class MethodGuardsWithArgumentsTest {
+
+    @Test
+    public void testMArguments0() {
+        TestRootNode<MArguments0> root = createRoot(MArguments0Factory.getInstance());
+        Assert.assertEquals(42, executeWith(root));
+    }
+
+    abstract static class MArguments0 extends ValueNode {
+
+        static boolean guard() {
+            return true;
+        }
+
+        @Specialization(guards = "guard()")
+        int do1() {
+            return 42;
+        }
+    }
+
+    @Test
+    public void testMArguments1() {
+        TestRootNode<MArguments1> root = createRoot(MArguments1Factory.getInstance());
+        Assert.assertEquals(42, executeWith(root));
+    }
+
+    abstract static class MArguments1 extends ValueNode {
+
+        static boolean guard() {
+            return true;
+        }
+
+        @Specialization(guards = "guard ()")
+        int do1() {
+            return 42;
+        }
+    }
+
+    @Test
+    public void testMArgumentsSingle0() {
+        TestRootNode<MArguments1> root = createRoot(MArguments1Factory.getInstance());
+        Assert.assertEquals(42, executeWith(root, 42));
+    }
+
+    @NodeChild("a")
+    abstract static class MArgumentsSingle0 extends ValueNode {
+
+        static boolean guard() {
+            return true;
+        }
+
+        @Specialization(guards = "guard()")
+        int do1(int a) {
+            return a;
+        }
+    }
+
+    @Test
+    public void testMArgumentsSingle1() {
+        TestRootNode<MArguments1> root = createRoot(MArguments1Factory.getInstance());
+        Assert.assertEquals(42, executeWith(root, 42));
+    }
+
+    @NodeChild("a")
+    abstract static class MArgumentsSingle1 extends ValueNode {
+
+        static boolean guard(int a) {
+            return a == 42;
+        }
+
+        @Specialization(guards = "guard(a)")
+        int do1(int a) {
+            return a;
+        }
+    }
+
+    @Test
+    public void testMArgumentsSingle2() {
+        TestRootNode<MArgumentsSingle2> root = createRoot(MArgumentsSingle2Factory.getInstance());
+        Assert.assertEquals(42, executeWith(root, 42));
+    }
+
+    @NodeChild("a")
+    abstract static class MArgumentsSingle2 extends ValueNode {
+
+        static boolean guard(int a1, int a2) {
+            return a1 == 42 && a2 == 42;
+        }
+
+        @Specialization(guards = "guard(a,a)")
+        int do1(int a) {
+            return a;
+        }
+    }
+
+    @Test
+    public void testMArgumentsDouble0() {
+        TestRootNode<MArgumentsDouble0> root = createRoot(MArgumentsDouble0Factory.getInstance());
+        Assert.assertEquals(42, executeWith(root, 42, 0));
+    }
+
+    @NodeChild("a")
+    abstract static class MArgumentsDouble0 extends ValueNode {
+
+        static boolean guard(int a1, Object a2) {
+            return a1 == 42 && a2.equals(new Integer(42));
+        }
+
+        @Specialization(guards = "guard(a,a)")
+        int do1(int a) {
+            return a;
+        }
+    }
+
+    @Test
+    public void testMArgumentsDouble1() {
+        TestRootNode<MArgumentsDouble1> root = createRoot(MArgumentsDouble1Factory.getInstance());
+        Assert.assertEquals(42, executeWith(root, 42, 41));
+    }
+
+    @NodeChildren({@NodeChild("a"), @NodeChild("b")})
+    abstract static class MArgumentsDouble1 extends ValueNode {
+
+        static boolean guard(int a1, double a2) {
+            return a1 == 42 && a2 == 41;
+        }
+
+        @Specialization(guards = "guard(a,b)")
+        int do1(int a, @SuppressWarnings("unused") double b) {
+            return a;
+        }
+    }
+
+    @Test
+    public void testMArgumentsDouble2() {
+        TestRootNode<MArgumentsDouble2> root = createRoot(MArgumentsDouble2Factory.getInstance());
+        Assert.assertEquals(42, executeWith(root, 42, 41.0));
+    }
+
+    @NodeChildren({@NodeChild("a"), @NodeChild("b")})
+    abstract static class MArgumentsDouble2 extends ValueNode {
+
+        static boolean guard(double a1, int a2) {
+            return a1 == 41 && a2 == 42;
+        }
+
+        @Specialization(guards = "guard(b,a)")
+        int do1(int a, @SuppressWarnings("unused") double b) {
+            return a;
+        }
+    }
+
+    @Test
+    public void testMArgumentsDouble3() {
+        TestRootNode<MArgumentsDouble3> root = createRoot(MArgumentsDouble3Factory.getInstance());
+        Assert.assertEquals(42, executeWith(root, 42, 41.0));
+    }
+
+    @NodeChildren({@NodeChild("a"), @NodeChild("b")})
+    abstract static class MArgumentsDouble3 extends ValueNode {
+
+        static boolean guard(Object a1, double a2) {
+            return new Double(41.0).equals(a1) && a2 == 41;
+        }
+
+        @Specialization(guards = "guard(b,b)")
+        int do1(int a, @SuppressWarnings("unused") double b) {
+            return a;
+        }
+    }
+
+    abstract static class MArgumentsError0 extends ValueNode {
+
+        static boolean guard() {
+            return true;
+        }
+
+        @ExpectError("No compatible guard with method name 'guard(' found.%")
+        @Specialization(guards = "guard(")
+        int do1() {
+            return 42;
+        }
+    }
+
+    abstract static class MArgumentsError1 extends ValueNode {
+
+        static boolean guard() {
+            return true;
+        }
+
+        @ExpectError("No compatible guard with method name 'guard)' found.%")
+        @Specialization(guards = "guard)")
+        int do1() {
+            return 42;
+        }
+
+    }
+
+    abstract static class MArgumentsError2 extends ValueNode {
+
+        static boolean guard() {
+            return true;
+        }
+
+        @ExpectError("Guard parameter 'a' for guard 'guard' could not be mapped to a declared child node.")
+        @Specialization(guards = "guard(a)")
+        int do1() {
+            return 42;
+        }
+    }
+
+    @NodeChild("b")
+    abstract static class MArgumentsError3 extends ValueNode {
+
+        static boolean guard() {
+            return true;
+        }
+
+        @ExpectError("Guard parameter 'a' for guard 'guard' could not be mapped to a declared child node.")
+        @Specialization(guards = "guard(a)")
+        int do1(int b) {
+            return b;
+        }
+    }
+
+}