1/*
2 * Copyright (c) 2015, 2015, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23package org.graalvm.compiler.graph.test;
24
25import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_UNKNOWN;
26import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_UNKNOWN;
27
28import org.junit.Assert;
29import org.junit.Test;
30
31import org.graalvm.compiler.graph.Graph;
32import org.graalvm.compiler.graph.Node;
33import org.graalvm.compiler.graph.NodeClass;
34import org.graalvm.compiler.nodeinfo.NodeInfo;
35
36public class NodeValidationChecksTest {
37
38    @NodeInfo(cycles = CYCLES_UNKNOWN, size = SIZE_UNKNOWN)
39    static final class TestNode extends Node {
40        public static final NodeClass<TestNode> TYPE = NodeClass.create(TestNode.class);
41
42        @Input TestNode input;
43        @Successor TestNode successor;
44
45        protected TestNode(TestNode input, TestNode successor) {
46            super(TYPE);
47            this.input = input;
48            this.successor = successor;
49        }
50    }
51
52    @Test
53    public void testInputNotAlive() {
54        Graph graph = new Graph();
55        TestNode node = new TestNode(null, null);
56        try {
57            graph.add(new TestNode(node, null));
58            Assert.fail("Exception expected.");
59        } catch (AssertionError e) {
60            Assert.assertTrue(e.getMessage().contains("Input"));
61            Assert.assertTrue(e.getMessage().contains("not alive"));
62        }
63    }
64
65    @Test
66    public void testSuccessorNotAlive() {
67        Graph graph = new Graph();
68        TestNode node = new TestNode(null, null);
69        try {
70            graph.add(new TestNode(null, node));
71            Assert.fail("Exception expected.");
72        } catch (AssertionError e) {
73            Assert.assertTrue(e.getMessage().contains("Successor"));
74            Assert.assertTrue(e.getMessage().contains("not alive"));
75        }
76    }
77}
78