1 /*
2 * Copyright (c) 2014, 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 */
23 package org.graalvm.compiler.graph.test;
24
25 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_IGNORED;
26 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_IGNORED;
27 import static org.junit.Assert.assertEquals;
28 import static org.junit.Assert.fail;
29
30 import org.junit.Before;
31 import org.junit.Test;
32
33 import org.graalvm.compiler.api.test.Graal;
34 import org.graalvm.compiler.graph.Graph;
35 import org.graalvm.compiler.graph.Node;
36 import org.graalvm.compiler.graph.NodeClass;
37 import org.graalvm.compiler.graph.NodeMap;
38 import org.graalvm.compiler.nodeinfo.NodeInfo;
39
40 public class NodeMapTest {
41
42 @NodeInfo(cycles = CYCLES_IGNORED, size = SIZE_IGNORED)
43 static final class TestNode extends Node {
44 public static final NodeClass<TestNode> TYPE = NodeClass.create(TestNode.class);
45
46 protected TestNode() {
47 super(TYPE);
48 }
49 }
50
51 private Graph graph;
52 private TestNode[] nodes = new TestNode[100];
53 private NodeMap<Integer> map;
54
55 @Before
56 public void before() {
57 // Need to initialize HotSpotGraalRuntime before any Node class is initialized.
58 Graal.getRuntime();
59
60 graph = new Graph();
61 for (int i = 0; i < nodes.length; i++) {
62 nodes[i] = graph.add(new TestNode());
63 }
64 map = new NodeMap<>(graph);
65 for (int i = 0; i < nodes.length; i += 2) {
66 map.set(nodes[i], i);
67 }
68 }
69
70 @Test
71 public void testEmpty() {
72 NodeMap<Integer> emptyMap = new NodeMap<>(graph);
73 for (TestNode node : nodes) {
74 assertEquals(null, emptyMap.get(node));
75 }
76 }
77
78 @Test
79 public void testSimple() {
80 for (int i = 0; i < nodes.length; i++) {
81 if ((i & 1) == 0) {
82 assertEquals((Integer) i, map.get(nodes[i]));
83 } else {
84 assertEquals(null, map.get(nodes[i]));
85 }
86 }
87 }
88
89 @Test
90 public void testSimpleChanged() {
91 for (TestNode node : nodes) {
92 map.set(node, 1);
93 }
94 for (TestNode node : nodes) {
95 map.set(node, null);
96 }
97 for (int i = 0; i < nodes.length; i += 2) {
98 map.set(nodes[i], i);
99 }
100
101 for (int i = 0; i < nodes.length; i++) {
102 if ((i & 1) == 0) {
103 assertEquals((Integer) i, map.get(nodes[i]));
104 } else {
105 assertEquals(null, map.get(nodes[i]));
106 }
107 }
108 }
109
110 @SuppressWarnings("all")
111 private static boolean assertionsEnabled() {
112 boolean assertionsEnabled = false;
113 assert assertionsEnabled = true;
114 return assertionsEnabled;
115 }
116
117 @Test
118 public void testNewGet() {
119 /*
120 * Failing here is not required, but if this behavior changes, usages of get need to be
121 * checked for compatibility.
122 */
123 TestNode newNode = graph.add(new TestNode());
124 try {
125 map.get(newNode);
126 fail("expected " + (assertionsEnabled() ? AssertionError.class.getSimpleName() : ArrayIndexOutOfBoundsException.class.getSimpleName()));
127 } catch (AssertionError ae) {
128 // thrown when assertions are enabled
129 } catch (ArrayIndexOutOfBoundsException e) {
130 // thrown when assertions are disabled
131 }
132 }
133
134 @Test
135 public void testNewSet() {
136 /*
137 * Failing here is not required, but if this behavior changes, usages of set need to be
138 * checked for compatibility.
139 */
140 TestNode newNode = graph.add(new TestNode());
141 try {
142 map.set(newNode, 1);
143 fail("expected " + (assertionsEnabled() ? AssertionError.class.getSimpleName() : ArrayIndexOutOfBoundsException.class.getSimpleName()));
144 } catch (AssertionError ae) {
145 // thrown when assertions are enabled
146 } catch (ArrayIndexOutOfBoundsException e) {
147 // thrown when assertions are disabled
148 }
149 }
150
151 @Test
152 public void testNewGetAndGrow() {
153 TestNode newNode = graph.add(new TestNode());
154 assertEquals(null, map.getAndGrow(newNode));
155 }
156
157 @Test
158 public void testNewSetAndGrow() {
159 TestNode newNode = graph.add(new TestNode());
160 map.setAndGrow(newNode, 1);
161 assertEquals((Integer) 1, map.get(newNode));
162 }
163 }