Mercurial > hg > graal-compiler
comparison 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> |
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date | Tue, 30 Sep 2014 23:42:08 +0200 |
parents | |
children | c88ab4f1f04a |
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17274:5c55441b4c62 | 17275:846c059e3ecf |
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1 /* | |
2 * Copyright (c) 2014, 2014, 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 com.oracle.truffle.api.test; | |
24 | |
25 import java.util.*; | |
26 | |
27 import org.junit.*; | |
28 | |
29 import com.oracle.truffle.api.*; | |
30 import com.oracle.truffle.api.frame.*; | |
31 import com.oracle.truffle.api.nodes.*; | |
32 | |
33 /** | |
34 * Test child fields declared with interface types instead of {@link Node} subclasses. | |
35 */ | |
36 public class InterfaceChildFieldTest { | |
37 | |
38 @Test | |
39 public void testChild() { | |
40 TruffleRuntime runtime = Truffle.getRuntime(); | |
41 TestChildInterface leftChild = new TestLeafNode(); | |
42 TestChildInterface rightChild = new TestLeafNode(); | |
43 TestChildNode parent = new TestChildNode(leftChild, rightChild); | |
44 TestRootNode rootNode = new TestRootNode(parent); | |
45 CallTarget target = runtime.createCallTarget(rootNode); | |
46 Iterator<Node> iterator = parent.getChildren().iterator(); | |
47 Assert.assertEquals(leftChild, iterator.next()); | |
48 Assert.assertEquals(rightChild, iterator.next()); | |
49 Assert.assertFalse(iterator.hasNext()); | |
50 Object result = target.call(); | |
51 Assert.assertEquals(42, result); | |
52 | |
53 Assert.assertEquals(4, NodeUtil.countNodes(rootNode)); | |
54 Assert.assertEquals(4, NodeUtil.countNodes(NodeUtil.cloneNode(rootNode))); | |
55 } | |
56 | |
57 @Test | |
58 public void testChildren() { | |
59 TruffleRuntime runtime = Truffle.getRuntime(); | |
60 TestChildInterface[] children = new TestChildInterface[5]; | |
61 for (int i = 0; i < children.length; i++) { | |
62 children[i] = new TestLeafNode(); | |
63 } | |
64 TestChildrenNode parent = new TestChildrenNode(children); | |
65 TestRootNode rootNode = new TestRootNode(parent); | |
66 CallTarget target = runtime.createCallTarget(rootNode); | |
67 Iterator<Node> iterator = parent.getChildren().iterator(); | |
68 for (int i = 0; i < children.length; i++) { | |
69 Assert.assertEquals(children[i], iterator.next()); | |
70 } | |
71 Assert.assertFalse(iterator.hasNext()); | |
72 Object result = target.call(); | |
73 Assert.assertEquals(105, result); | |
74 | |
75 Assert.assertEquals(2 + children.length, NodeUtil.countNodes(rootNode)); | |
76 Assert.assertEquals(2 + children.length, NodeUtil.countNodes(NodeUtil.cloneNode(rootNode))); | |
77 } | |
78 | |
79 class TestRootNode extends RootNode { | |
80 | |
81 @Child private TestChildInterface child; | |
82 | |
83 public TestRootNode(TestChildInterface child) { | |
84 super(null); | |
85 this.child = child; | |
86 } | |
87 | |
88 @Override | |
89 public Object execute(VirtualFrame frame) { | |
90 return child.executeIntf(); | |
91 } | |
92 } | |
93 | |
94 interface TestChildInterface { | |
95 public int executeIntf(); | |
96 } | |
97 | |
98 class TestLeafNode extends Node implements TestChildInterface { | |
99 public TestLeafNode() { | |
100 super(null); | |
101 } | |
102 | |
103 public int executeIntf() { | |
104 return this.replace(new TestLeaf2Node()).executeIntf(); | |
105 } | |
106 } | |
107 | |
108 class TestLeaf2Node extends Node implements TestChildInterface { | |
109 public TestLeaf2Node() { | |
110 super(null); | |
111 } | |
112 | |
113 public int executeIntf() { | |
114 return 21; | |
115 } | |
116 } | |
117 | |
118 class TestChildNode extends Node implements TestChildInterface { | |
119 | |
120 @Child private TestChildInterface left; | |
121 @Child private TestChildInterface right; | |
122 | |
123 public TestChildNode(TestChildInterface left, TestChildInterface right) { | |
124 super(null); | |
125 this.left = left; | |
126 this.right = right; | |
127 } | |
128 | |
129 @Override | |
130 public int executeIntf() { | |
131 return left.executeIntf() + right.executeIntf(); | |
132 } | |
133 } | |
134 | |
135 class TestChildrenNode extends Node implements TestChildInterface { | |
136 | |
137 @Children private final TestChildInterface[] children; | |
138 | |
139 public TestChildrenNode(TestChildInterface[] children) { | |
140 super(null); | |
141 this.children = children; | |
142 } | |
143 | |
144 @Override | |
145 public int executeIntf() { | |
146 int sum = 0; | |
147 for (int i = 0; i < children.length; ++i) { | |
148 sum += children[i].executeIntf(); | |
149 } | |
150 return sum; | |
151 } | |
152 } | |
153 } |