Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/nodes/NodeUtilTest.java @ 21168:8407957b067b
Interop: add missing header
author | Matthias Grimmer <grimmer@ssw.jku.at> |
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date | Fri, 01 May 2015 21:32:02 +0200 |
parents | e3c95cbbb50c |
children |
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/* * Copyright (c) 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. * * 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.nodes; import static org.hamcrest.CoreMatchers.*; import static org.junit.Assert.*; import java.util.*; import org.junit.*; import com.oracle.truffle.api.frame.*; import com.oracle.truffle.api.nodes.*; public class NodeUtilTest { @Test public void testRecursiveIterator1() { TestRootNode root = new TestRootNode(); root.child0 = new TestNode(); root.adoptChildren(); int count = iterate(NodeUtil.makeRecursiveIterator(root)); assertThat(count, is(2)); assertThat(root.visited, is(0)); assertThat(root.child0.visited, is(1)); } private static int iterate(Iterator<Node> iterator) { int iterationCount = 0; while (iterator.hasNext()) { Node node = iterator.next(); if (node == null) { continue; } if (node instanceof TestNode) { ((TestNode) node).visited = iterationCount; } else if (node instanceof TestRootNode) { ((TestRootNode) node).visited = iterationCount; } else { throw new AssertionError(); } iterationCount++; } return iterationCount; } private static class TestNode extends Node { @Child TestNode child0; @Child TestNode child1; private int visited; public TestNode() { } } private static class TestRootNode extends RootNode { @Child TestNode child0; private int visited; @Override public Object execute(VirtualFrame frame) { return null; } } }