1 /*
2 * Copyright (c) 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.
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
24 /*
25 * @test
26 * @bug 8012650
27 * @summary Unit test for setAll, parallelSetAll variants
28 * @run testng SetAllTest
29 */
30
31 import org.testng.annotations.DataProvider;
32 import org.testng.annotations.Test;
33
34 import java.util.Arrays;
35 import java.util.function.IntFunction;
36 import java.util.function.IntToDoubleFunction;
37 import java.util.function.IntToLongFunction;
38 import java.util.function.IntUnaryOperator;
39
40 import static org.testng.Assert.assertEquals;
41 import static org.testng.Assert.assertTrue;
42 import static org.testng.Assert.assertSame;
43 import static org.testng.Assert.fail;
44
45 @Test
46 public class SetAllTest {
47 private static final IntFunction<String> toString = i -> "N" + Integer.valueOf(i);
48 private static final IntFunction<String> fillString = i -> "X";
49 private static final String[] r0 = {};
50 private static final String[] r1 = { "N0" };
51 private static final String[] r10 = { "N0", "N1", "N2", "N3", "N4", "N5", "N6", "N7", "N8", "N9" };
52
53 private Object[][] stringData = new Object[][] {
54 { "empty", 0, toString, r0 },
55 { "one", 1, toString, r1 },
56 { "ten", 10, toString, r10 },
57 { "fill", 3, fillString, new String[] { "X", "X", "X" }}
58 };
59
60 private static final IntUnaryOperator toInt = i -> i << 1;
61 private static final IntUnaryOperator fillInt = i -> 99;
62 private static final int[] ir0 = {};
63 private static final int[] ir1 = { 0 };
64 private static final int[] ir10 = { 0, 2, 4, 6, 8, 10, 12, 14, 16, 18 };
65 private Object[][] intData = new Object[][] {
66 { "empty", 0, toInt, ir0 },
67 { "one", 1, toInt, ir1 },
68 { "ten", 10, toInt, ir10 },
69 { "fill", 3, fillInt, new int[] { 99, 99, 99 }}
70 };
71
72 private static final IntToLongFunction toLong = i -> i << 1;
73 private static final IntToLongFunction fillLong = i -> 9999L;
74 private static final long[] lr0 = {};
75 private static final long[] lr1 = { 0L };
76 private static final long[] lr10 = { 0L, 2L, 4L, 6L, 8L, 10L, 12L, 14L, 16L, 18L };
77 private Object[][] longData = new Object[][] {
78 { "empty", 0, toLong, lr0 },
79 { "one", 1, toLong, lr1 },
80 { "ten", 10, toLong, lr10 },
81 { "fill", 3, fillLong, new long[] { 9999L, 9999L, 9999L }}
82 };
83
84 private static final IntToDoubleFunction toDouble = i -> i * 1.1;
85 private static final IntToDoubleFunction fillDouble = i -> 3.14;
86 private static final double[] dr0 = {};
87 private static final double[] dr1 = { 0.0 };
88 private static final double[] dr10 = { 0.0, 1.1, 2.2, 3.3, 4.4, 5.5, 6.6, 7.7, 8.8, 9.9 };
89 private Object[][] doubleData = new Object[][] {
90 { "empty", 0, toDouble, dr0 },
91 { "one", 1, toDouble, dr1 },
92 { "ten", 10, toDouble, dr10 },
93 { "fill", 3, fillDouble, new double[] { 3.14, 3.14, 3.14 }}
94 };
95
96 @DataProvider(name="string")
97 public Object[][] stringTests() { return stringData; }
98
99 @DataProvider(name="int")
100 public Object[][] intTests() { return intData; }
101
102 @DataProvider(name="long")
103 public Object[][] longTests() { return longData; }
104
105 @DataProvider(name="double")
106 public Object[][] doubleTests() { return doubleData; }
107
108 @Test(dataProvider = "string")
109 public void testSetAllString(String name, int size, IntFunction<String> generator, String[] expected) {
110 String[] result = new String[size];
111 Arrays.setAll(result, generator);
112 assertEquals(result, expected, "setAll(String[], IntFunction<String>) case " + name + " failed.");
113
114 // ensure fresh array
115 result = new String[size];
116 Arrays.parallelSetAll(result, generator);
117 assertEquals(result, expected, "parallelSetAll(String[], IntFunction<String>) case " + name + " failed.");
118 }
119
120 @Test(dataProvider = "int")
121 public void testSetAllInt(String name, int size, IntUnaryOperator generator, int[] expected) {
122 int[] result = new int[size];
123 Arrays.setAll(result, generator);
124 assertEquals(result, expected, "setAll(int[], IntUnaryOperator) case " + name + " failed.");
125
126 // ensure fresh array
127 result = new int[size];
128 Arrays.parallelSetAll(result, generator);
129 assertEquals(result, expected, "parallelSetAll(int[], IntUnaryOperator) case " + name + " failed.");
130 }
131
132 @Test(dataProvider = "long")
133 public void testSetAllLong(String name, int size, IntToLongFunction generator, long[] expected) {
134 long[] result = new long[size];
135 Arrays.setAll(result, generator);
136 assertEquals(result, expected, "setAll(long[], IntToLongFunction) case " + name + " failed.");
137
138 // ensure fresh array
139 result = new long[size];
140 Arrays.parallelSetAll(result, generator);
141 assertEquals(result, expected, "parallelSetAll(long[], IntToLongFunction) case " + name + " failed.");
142 }
143
144 private void assertDoubleArrayEquals(double[] actual, double[] expected, double delta, String msg) {
145 if (actual.length != expected.length) {
146 fail(msg + ": length mismatch, expected " + expected.length + ", got " + actual.length);
147 }
148
149 for (int i = 0; i < actual.length; i++) {
150 assertEquals(actual[i], expected[i], delta, msg + "(mismatch at index " + i + ")");
151 }
152 }
153
154 @Test(dataProvider = "double")
155 public void testSetAllDouble(String name, int size, IntToDoubleFunction generator, double[] expected) {
156 double[] result = new double[size];
157 Arrays.setAll(result, generator);
158 assertDoubleArrayEquals(result, expected, 0.05, "setAll(double[], IntToDoubleFunction) case " + name + " failed.");
159
160 // ensure fresh array
161 result = new double[size];
162 Arrays.parallelSetAll(result, generator);
163 assertDoubleArrayEquals(result, expected, 0.05, "setAll(double[], IntToDoubleFunction) case " + name + " failed.");
164 }
165
166 @Test
167 public void testStringSetNulls() {
168 String[] ar = new String[2];
169 try {
170 Arrays.setAll(null, i -> "X");
171 fail("Arrays.setAll(null, foo) should throw NPE");
172 } catch (NullPointerException npe) {
173 // expected
174 }
175 try {
176 Arrays.parallelSetAll(null, i -> "X");
177 fail("Arrays.parallelSetAll(null, foo) should throw NPE");
178 } catch (NullPointerException npe) {
179 // expected
180 }
181 try {
182 Arrays.setAll(ar, null);
183 fail("Arrays.setAll(array, null) should throw NPE");
184 } catch (NullPointerException npe) {
185 // expected
186 }
187 try {
188 Arrays.parallelSetAll(ar, null);
189 fail("Arrays.parallelSetAll(array, null) should throw NPE");
190 } catch (NullPointerException npe) {
191 // expected
192 }
193 }
194
195 @Test
196 public void testIntSetNulls() {
197 int[] ar = new int[2];
198 try {
199 Arrays.setAll(null, (IntUnaryOperator) i -> i);
200 fail("Arrays.setAll(null, foo) should throw NPE");
201 } catch (NullPointerException npe) {
202 // expected
203 }
204 try {
205 Arrays.parallelSetAll(null, (IntUnaryOperator) i -> i);
206 fail("Arrays.parallelSetAll(null, foo) should throw NPE");
207 } catch (NullPointerException npe) {
208 // expected
209 }
210 try {
211 Arrays.setAll(ar, null);
212 fail("Arrays.setAll(array, null) should throw NPE");
213 } catch (NullPointerException npe) {
214 // expected
215 }
216 try {
217 Arrays.parallelSetAll(ar, null);
218 fail("Arrays.parallelSetAll(array, null) should throw NPE");
219 } catch (NullPointerException npe) {
220 // expected
221 }
222 }
223
224 @Test
225 public void testLongSetNulls() {
226 long[] ar = new long[2];
227 try {
228 Arrays.setAll(null, (IntToLongFunction) i -> Long.MAX_VALUE);
229 fail("Arrays.setAll(null, foo) should throw NPE");
230 } catch (NullPointerException npe) {
231 // expected
232 }
233 try {
234 Arrays.parallelSetAll(null, (IntToLongFunction) i -> Long.MAX_VALUE);
235 fail("Arrays.parallelSetAll(null, foo) should throw NPE");
236 } catch (NullPointerException npe) {
237 // expected
238 }
239 try {
240 Arrays.setAll(ar, null);
241 fail("Arrays.setAll(array, null) should throw NPE");
242 } catch (NullPointerException npe) {
243 // expected
244 }
245 try {
246 Arrays.parallelSetAll(ar, null);
247 fail("Arrays.parallelSetAll(array, null) should throw NPE");
248 } catch (NullPointerException npe) {
249 // expected
250 }
251 }
252
253 @Test
254 public void testDoubleSetNulls() {
255 double[] ar = new double[2];
256 try {
257 Arrays.setAll(null, (IntToDoubleFunction) i -> Math.E);
258 fail("Arrays.setAll(null, foo) should throw NPE");
259 } catch (NullPointerException npe) {
260 // expected
261 }
262 try {
263 Arrays.parallelSetAll(null, (IntToDoubleFunction) i -> Math.E);
264 fail("Arrays.parallelSetAll(null, foo) should throw NPE");
265 } catch (NullPointerException npe) {
266 // expected
267 }
268 try {
269 Arrays.setAll(ar, null);
270 fail("Arrays.setAll(array, null) should throw NPE");
271 } catch (NullPointerException npe) {
272 // expected
273 }
274 try {
275 Arrays.parallelSetAll(ar, null);
276 fail("Arrays.parallelSetAll(array, null) should throw NPE");
277 } catch (NullPointerException npe) {
278 // expected
279 }
280 }
281 }