Mercurial > hg > truffle
diff graal/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/InterfaceChildFieldTest.java @ 17275:846c059e3ecf
Truffle: allow interface types in child fields
author | Andreas Woess <andreas.woess@jku.at> |
---|---|
date | Tue, 30 Sep 2014 23:42:08 +0200 |
parents | |
children | c88ab4f1f04a |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/InterfaceChildFieldTest.java Tue Sep 30 23:42:08 2014 +0200 @@ -0,0 +1,153 @@ +/* + * Copyright (c) 2014, 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.test; + +import java.util.*; + +import org.junit.*; + +import com.oracle.truffle.api.*; +import com.oracle.truffle.api.frame.*; +import com.oracle.truffle.api.nodes.*; + +/** + * Test child fields declared with interface types instead of {@link Node} subclasses. + */ +public class InterfaceChildFieldTest { + + @Test + public void testChild() { + TruffleRuntime runtime = Truffle.getRuntime(); + TestChildInterface leftChild = new TestLeafNode(); + TestChildInterface rightChild = new TestLeafNode(); + TestChildNode parent = new TestChildNode(leftChild, rightChild); + TestRootNode rootNode = new TestRootNode(parent); + CallTarget target = runtime.createCallTarget(rootNode); + Iterator<Node> iterator = parent.getChildren().iterator(); + Assert.assertEquals(leftChild, iterator.next()); + Assert.assertEquals(rightChild, iterator.next()); + Assert.assertFalse(iterator.hasNext()); + Object result = target.call(); + Assert.assertEquals(42, result); + + Assert.assertEquals(4, NodeUtil.countNodes(rootNode)); + Assert.assertEquals(4, NodeUtil.countNodes(NodeUtil.cloneNode(rootNode))); + } + + @Test + public void testChildren() { + TruffleRuntime runtime = Truffle.getRuntime(); + TestChildInterface[] children = new TestChildInterface[5]; + for (int i = 0; i < children.length; i++) { + children[i] = new TestLeafNode(); + } + TestChildrenNode parent = new TestChildrenNode(children); + TestRootNode rootNode = new TestRootNode(parent); + CallTarget target = runtime.createCallTarget(rootNode); + Iterator<Node> iterator = parent.getChildren().iterator(); + for (int i = 0; i < children.length; i++) { + Assert.assertEquals(children[i], iterator.next()); + } + Assert.assertFalse(iterator.hasNext()); + Object result = target.call(); + Assert.assertEquals(105, result); + + Assert.assertEquals(2 + children.length, NodeUtil.countNodes(rootNode)); + Assert.assertEquals(2 + children.length, NodeUtil.countNodes(NodeUtil.cloneNode(rootNode))); + } + + class TestRootNode extends RootNode { + + @Child private TestChildInterface child; + + public TestRootNode(TestChildInterface child) { + super(null); + this.child = child; + } + + @Override + public Object execute(VirtualFrame frame) { + return child.executeIntf(); + } + } + + interface TestChildInterface { + public int executeIntf(); + } + + class TestLeafNode extends Node implements TestChildInterface { + public TestLeafNode() { + super(null); + } + + public int executeIntf() { + return this.replace(new TestLeaf2Node()).executeIntf(); + } + } + + class TestLeaf2Node extends Node implements TestChildInterface { + public TestLeaf2Node() { + super(null); + } + + public int executeIntf() { + return 21; + } + } + + class TestChildNode extends Node implements TestChildInterface { + + @Child private TestChildInterface left; + @Child private TestChildInterface right; + + public TestChildNode(TestChildInterface left, TestChildInterface right) { + super(null); + this.left = left; + this.right = right; + } + + @Override + public int executeIntf() { + return left.executeIntf() + right.executeIntf(); + } + } + + class TestChildrenNode extends Node implements TestChildInterface { + + @Children private final TestChildInterface[] children; + + public TestChildrenNode(TestChildInterface[] children) { + super(null); + this.children = children; + } + + @Override + public int executeIntf() { + int sum = 0; + for (int i = 0; i < children.length; ++i) { + sum += children[i].executeIntf(); + } + return sum; + } + } +}