Mercurial > hg > graal-compiler
diff graal/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/BadLongOverflowSpecializationTest.java @ 18221:2c68474cc893
Truffle: add a test to track an ImplicitCast bug
author | Benoit Daloze <benoit.daloze@jku.at> |
---|---|
date | Fri, 31 Oct 2014 10:44:05 +0100 |
parents | |
children | eecda5abf627 |
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/BadLongOverflowSpecializationTest.java Fri Oct 31 10:44:05 2014 +0100 @@ -0,0 +1,83 @@ +/* + * Copyright (c) 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.truffle.api.dsl.test; + +import static com.oracle.truffle.api.dsl.test.TestHelper.*; +import static org.junit.Assert.*; + +import java.math.*; + +import org.junit.*; + +import com.oracle.truffle.api.*; +import com.oracle.truffle.api.dsl.*; +import com.oracle.truffle.api.dsl.test.BadLongOverflowSpecializationTestFactory.AddNodeFactory; +import com.oracle.truffle.api.dsl.test.TypeSystemTest.TestRootNode; +import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode; + +public class BadLongOverflowSpecializationTest { + + @NodeChildren({@NodeChild("left"), @NodeChild("right")}) + abstract static class BinaryNode extends ValueNode { + } + + abstract static class AddNode extends BinaryNode { + @Specialization(rewriteOn = ArithmeticException.class) + int add(int left, int right) { + return ExactMath.addExact(left, right); + } + + @Specialization + long addIntWithOverflow(int left, int right) { + return (long) left + (long) right; + } + + @Specialization(rewriteOn = ArithmeticException.class) + Object add(long left, long right) { + return ExactMath.addExact(left, right); + } + + @Specialization + BigInteger addSlow(long left, long right) { + return BigInteger.valueOf(left).add(BigInteger.valueOf(right)); + } + } + + @Test + @Ignore + public void testAdd() { + TestRootNode<AddNode> node = createRoot(AddNodeFactory.getInstance()); + + long index = -1; + int baseStep = 0; + Object r1 = executeWith(node, index, baseStep); + assertEquals(-1L, r1); + + long err = 5000; + long errStep = 2000; + Object r2 = executeWith(node, err, errStep); + + assertEquals(Long.class, r2.getClass()); + assertEquals(7000L, r2); + } +}