Mercurial > hg > truffle
diff graal/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/NegatedGuardsTest.java @ 11190:4eb23800c907
Truffle-DSL: Implemented support for negated guards (GRAAL-371 #resolve)
author | Christian Humer <christian.humer@gmail.com> |
---|---|
date | Wed, 31 Jul 2013 15:36:01 +0200 |
parents | |
children | 5148aab962af |
line wrap: on
line diff
--- /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/NegatedGuardsTest.java Wed Jul 31 15:36:01 2013 +0200 @@ -0,0 +1,58 @@ +/* + * 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.NegatedGuardsTestFactory.NegatedGuardNodeFactory; +import com.oracle.truffle.api.dsl.test.TypeSystemTest.TestRootNode; +import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode; + +public class NegatedGuardsTest { + + @Test + public void testGuardGlobal() { + TestRootNode<NegatedGuardNode> root = createRoot(NegatedGuardNodeFactory.getInstance()); + Assert.assertEquals(42, executeWith(root)); + } + + abstract static class NegatedGuardNode extends ValueNode { + + static boolean guard() { + return true; + } + + @Specialization(order = 1, guards = "!guard") + int do1() { + throw new AssertionError(); + } + + @Specialization(order = 2) + int do2() { + return 42; // the generic answer to all questions + } + } +}