/*
* Copyright (c) 2012, 2012, 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.
*
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package com.oracle.truffle.api.dsl.test;
import static com.oracle.truffle.api.dsl.test.TestHelper.createRoot;
import static com.oracle.truffle.api.dsl.test.TestHelper.executeWith;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
import com.oracle.truffle.api.dsl.Fallback;
import com.oracle.truffle.api.dsl.NodeChild;
import com.oracle.truffle.api.dsl.NodeChildren;
import com.oracle.truffle.api.dsl.Specialization;
import com.oracle.truffle.api.dsl.test.BinaryNodeTestFactory.AddNodeFactory;
import com.oracle.truffle.api.dsl.test.TypeSystemTest.TestRootNode;
import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode;
public class BinaryNodeTest {
@Test
public void testAdd() {
TestRootNode<AddNode> node = createRoot(AddNodeFactory.getInstance());
assertEquals(42, executeWith(node, 19, 23));
assertEquals(42d, executeWith(node, 19d, 23d));
assertEquals(42d, executeWith(node, "19", "23"));
assertEquals(42, executeWith(node, 19, 23));
}
@Test(expected = RuntimeException.class)
public void testAddUnsupported() {
TestRootNode<AddNode> node = createRoot(AddNodeFactory.getInstance());
executeWith(node, new Object(), new Object());
}
@NodeChildren({@NodeChild("left"), @NodeChild("right")})
abstract static class BinaryNode extends ValueNode {
}
abstract static class AddNode extends BinaryNode {
@Specialization
int add(int left, int right) {
return left + right;
}
@Fallback
Object add(Object left, Object right) {
return convertDouble(left) + convertDouble(right);
}
static double convertDouble(Object value) {
if (value instanceof Number) {
return ((Number) value).doubleValue();
} else if (value instanceof String) {
return Double.parseDouble((String) value);
}
throw new RuntimeException("Invalid datatype");
}
}
}