1 /*
2 * Copyright (c) 2012, 2013, 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25 package java.util.stream;
26
27 import java.util.ArrayList;
28 import java.util.Arrays;
29 import java.util.List;
30 import java.util.function.DoubleConsumer;
31 import java.util.function.Function;
32 import java.util.function.IntConsumer;
33 import java.util.function.LongConsumer;
34
35 import org.testng.annotations.DataProvider;
36 import org.testng.annotations.Test;
37
38 import static java.util.stream.LambdaTestHelpers.assertContents;
39 import static java.util.stream.LambdaTestHelpers.countTo;
40 import static org.testng.Assert.assertEquals;
41
42 @Test
43 public class NodeBuilderTest {
44
45 List<Integer> sizes = Arrays.asList(0, 1, 4, 16, 256,
46 1023, 1024, 1025,
47 2047, 2048, 2049,
48 1024 * 32 - 1, 1024 * 32, 1024 * 32 + 1);
49
50 @DataProvider(name = "Node.Builder")
51 public Object[][] createNodeBuilders() {
52 List<List<Integer>> ls = new ArrayList<>();
53 for (int size : sizes) {
54 ls.add(countTo(size));
55 }
56
57 List<Function<Integer, Node.Builder<Integer>>> ms = Arrays.asList(
58 s -> Nodes.builder(),
59 s -> Nodes.builder(s, LambdaTestHelpers.integerArrayGenerator)
60 );
61
62 Object[][] params = new Object[ls.size() * ms.size()][];
63 int i = 0;
64 for (List<Integer> l : ls) {
65 for (Function<Integer, Node.Builder<Integer>> m : ms) {
66 params[i++] = new Object[]{l, m};
67 }
68 }
69
70 return params;
71 }
72
73 @Test(dataProvider = "Node.Builder", groups = { "serialization-hostile" })
74 public void testIteration(List<Integer> l, Function<Integer, Node.Builder<Integer>> m) {
75 Node.Builder<Integer> nb = m.apply(l.size());
76 nb.begin(l.size());
77 for (Integer i : l) {
78 nb.accept(i);
79 }
80 nb.end();
81
82 Node<Integer> n = nb.build();
83 assertEquals(n.count(), l.size());
84
85 {
86 List<Integer> _l = new ArrayList<>();
87 n.forEach(_l::add);
88
89 assertContents(_l, l);
90 }
91 }
92
93 // Node.Builder.OfInt
94
95 @DataProvider(name = "Node.Builder<Integer>")
96 public Object[][] createIntNodeBuilders() {
97 List<List<Integer>> ls = new ArrayList<>();
98 for (int size : sizes) {
99 ls.add(countTo(size));
100 }
101
102 List<Function<Integer, Node.Builder<Integer>>> ms = Arrays.asList(
103 s -> Nodes.intBuilder(),
104 s -> Nodes.intBuilder(s)
105 );
106
107 Object[][] params = new Object[ls.size() * ms.size()][];
108 int i = 0;
109 for (List<Integer> l : ls) {
110 for (Function<Integer, Node.Builder<Integer>> m : ms) {
111 params[i++] = new Object[]{l, m};
112 }
113 }
114
115 return params;
116 }
117
118 @Test(dataProvider = "Node.Builder<Integer>", groups = { "serialization-hostile" })
119 public void testIntIteration(List<Integer> l, Function<Integer, Node.Builder.OfInt> m) {
120 Node.Builder.OfInt nb = m.apply(l.size());
121 nb.begin(l.size());
122 for (Integer i : l) {
123 nb.accept((int) i);
124 }
125 nb.end();
126
127 Node.OfInt n = nb.build();
128 assertEquals(n.count(), l.size());
129
130 {
131 List<Integer> _l = new ArrayList<>();
132 n.forEach((IntConsumer) _l::add);
133
134 assertContents(_l, l);
135 }
136
137 }
138
139 // Node.Builder.OfLong
140
141 @DataProvider(name = "Node.Builder<Long>")
142 public Object[][] createLongNodeBuilders() {
143 List<List<Long>> ls = new ArrayList<>();
144 for (int size : sizes) {
145 List<Long> l = new ArrayList<>();
146 for (long i = 0; i < size; i++) {
147 l.add(i);
148 }
149 ls.add(l);
150 }
151
152 List<Function<Integer, Node.Builder<Long>>> ms = Arrays.asList(
153 s -> Nodes.longBuilder(),
154 s -> Nodes.longBuilder(s)
155 );
156
157 Object[][] params = new Object[ls.size() * ms.size()][];
158 int i = 0;
159 for (List<Long> l : ls) {
160 for (Function<Integer, Node.Builder<Long>> m : ms) {
161 params[i++] = new Object[]{l, m};
162 }
163 }
164
165 return params;
166 }
167
168 @Test(dataProvider = "Node.Builder<Long>")
169 public void testLongIteration(List<Long> l, Function<Integer, Node.Builder.OfLong> m) {
170 Node.Builder.OfLong nb = m.apply(l.size());
171 nb.begin(l.size());
172 for (Long i : l) {
173 nb.accept((long) i);
174 }
175 nb.end();
176
177 Node.OfLong n = nb.build();
178 assertEquals(n.count(), l.size());
179
180 {
181 List<Long> _l = new ArrayList<>();
182 n.forEach((LongConsumer) _l::add);
183
184 assertContents(_l, l);
185 }
186
187 }
188
189 // Node.Builder.OfDouble
190
191 @DataProvider(name = "Node.Builder<Double>")
192 public Object[][] createDoubleNodeBuilders() {
193 List<List<Double>> ls = new ArrayList<>();
194 for (int size : sizes) {
195 List<Double> l = new ArrayList<>();
196 for (long i = 0; i < size; i++) {
197 l.add((double) i);
198 }
199 ls.add(l);
200 }
201
202 List<Function<Integer, Node.Builder<Double>>> ms = Arrays.asList(
203 s -> Nodes.doubleBuilder(),
204 s -> Nodes.doubleBuilder(s)
205 );
206
207 Object[][] params = new Object[ls.size() * ms.size()][];
208 int i = 0;
209 for (List<Double> l : ls) {
210 for (Function<Integer, Node.Builder<Double>> m : ms) {
211 params[i++] = new Object[]{l, m};
212 }
213 }
214
215 return params;
216 }
217
218 @Test(dataProvider = "Node.Builder<Double>")
219 public void testDoubleIteration(List<Double> l, Function<Integer, Node.Builder.OfDouble> m) {
220 Node.Builder.OfDouble nb = m.apply(l.size());
221 nb.begin(l.size());
222 for (Double i : l) {
223 nb.accept((double) i);
224 }
225 nb.end();
226
227 Node.OfDouble n = nb.build();
228 assertEquals(n.count(), l.size());
229
230 {
231 List<Double> _l = new ArrayList<>();
232 n.forEach((DoubleConsumer) _l::add);
233
234 assertContents(_l, l);
235 }
236
237 }
238 }