1 /*
2 * Copyright (c) 2014, 2026, 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 8037857
27 * @summary tests for stream and spliterator factory methods
28 * @run junit StreamAndSpliterator
29 */
30
31 import java.time.LocalDate;
32 import java.util.Arrays;
33 import java.util.Optional;
34 import java.util.Spliterators;
35
36 import static org.junit.jupiter.api.Assertions.assertThrows;
37 import org.junit.jupiter.api.Test;
38 import org.junit.jupiter.api.function.Executable;
39
40 public class StreamAndSpliterator {
41 @Test
42 public void testStreamNPEs() {
43 assertThrowsNPE(() -> Arrays.stream((int[]) null, 0, 0));
44 assertThrowsNPE(() -> Arrays.stream((long[]) null, 0, 0));
45 assertThrowsNPE(() -> Arrays.stream((double[]) null, 0, 0));
46 assertThrowsNPE(() -> Arrays.stream((String[]) null, 0, 0));
47
48 assertThrowsNPE(() -> Arrays.stream((Integer[]) null, 0, 0));
49 assertThrowsNPE(() -> Arrays.stream((Long[]) null, 0, 0));
50 assertThrowsNPE(() -> Arrays.stream((Optional[]) null, 0, 0));
51 assertThrowsNPE(() -> Arrays.stream((LocalDate[]) null, 0, 0));
52 }
53
54 @Test
55 public void testStreamAIOBEs() {
56 // origin > fence
57 assertThrowsAIOOB(() -> Arrays.stream(new int[]{}, 1, 0));
58 assertThrowsAIOOB(() -> Arrays.stream(new long[]{}, 1, 0));
59 assertThrowsAIOOB(() -> Arrays.stream(new double[]{}, 1, 0));
60 assertThrowsAIOOB(() -> Arrays.stream(new String[]{}, 1, 0));
61
62 assertThrowsAIOOB(() -> Arrays.stream(new Integer[]{}, 1, 0));
63 assertThrowsAIOOB(() -> Arrays.stream(new Long[]{}, 1, 0));
64 assertThrowsAIOOB(() -> Arrays.stream(new Optional[]{}, 1, 0));
65 assertThrowsAIOOB(() -> Arrays.stream(new LocalDate[]{}, 1, 0));
66
67 // bad origin
68 assertThrowsAIOOB(() -> Arrays.stream(new int[]{}, -1, 0));
69 assertThrowsAIOOB(() -> Arrays.stream(new long[]{}, -1, 0));
70 assertThrowsAIOOB(() -> Arrays.stream(new double[]{}, -1, 0));
71 assertThrowsAIOOB(() -> Arrays.stream(new String[]{}, -1, 0));
72
73 assertThrowsAIOOB(() -> Arrays.stream(new Integer[]{}, -1, 0));
74 assertThrowsAIOOB(() -> Arrays.stream(new Long[]{}, -1, 0));
75 assertThrowsAIOOB(() -> Arrays.stream(new Optional[]{}, -1, 0));
76 assertThrowsAIOOB(() -> Arrays.stream(new LocalDate[]{}, -1, 0));
77
78 // bad fence
79 assertThrowsAIOOB(() -> Arrays.stream(new int[]{}, 0, 1));
80 assertThrowsAIOOB(() -> Arrays.stream(new long[]{}, 0, 1));
81 assertThrowsAIOOB(() -> Arrays.stream(new double[]{}, 0, 1));
82 assertThrowsAIOOB(() -> Arrays.stream(new String[]{}, 0, 1));
83
84 assertThrowsAIOOB(() -> Arrays.stream(new Integer[]{}, 0, 1));
85 assertThrowsAIOOB(() -> Arrays.stream(new Long[]{}, 0, 1));
86 assertThrowsAIOOB(() -> Arrays.stream(new Optional[]{}, 0, 1));
87 assertThrowsAIOOB(() -> Arrays.stream(new LocalDate[]{}, 0, 1));
88 }
89
90
91 @Test
92 public void testSpliteratorNPEs() {
93 assertThrowsNPE(() -> Arrays.spliterator((int[]) null, 0, 0));
94 assertThrowsNPE(() -> Arrays.spliterator((long[]) null, 0, 0));
95 assertThrowsNPE(() -> Arrays.spliterator((double[]) null, 0, 0));
96 assertThrowsNPE(() -> Arrays.spliterator((String[]) null, 0, 0));
97
98 assertThrowsNPE(() -> Arrays.spliterator((Integer[]) null, 0, 0));
99 assertThrowsNPE(() -> Arrays.spliterator((Long[]) null, 0, 0));
100 assertThrowsNPE(() -> Arrays.spliterator((Optional[]) null, 0, 0));
101 assertThrowsNPE(() -> Arrays.spliterator((LocalDate[]) null, 0, 0));
102 }
103
104 @Test
105 public void testSpliteratorAIOBEs() {
106 // origin > fence
107 assertThrowsAIOOB(() -> Arrays.spliterator(new int[]{}, 1, 0));
108 assertThrowsAIOOB(() -> Arrays.spliterator(new long[]{}, 1, 0));
109 assertThrowsAIOOB(() -> Arrays.spliterator(new double[]{}, 1, 0));
110 assertThrowsAIOOB(() -> Arrays.spliterator(new String[]{}, 1, 0));
111
112 // bad origin
113 assertThrowsAIOOB(() -> Arrays.spliterator(new int[]{}, -1, 0));
114 assertThrowsAIOOB(() -> Arrays.spliterator(new long[]{}, -1, 0));
115 assertThrowsAIOOB(() -> Arrays.spliterator(new double[]{}, -1, 0));
116 assertThrowsAIOOB(() -> Arrays.spliterator(new String[]{}, -1, 0));
117
118 // bad fence
119 assertThrowsAIOOB(() -> Arrays.spliterator(new int[]{}, 0, 1));
120 assertThrowsAIOOB(() -> Arrays.spliterator(new long[]{}, 0, 1));
121 assertThrowsAIOOB(() -> Arrays.spliterator(new double[]{}, 0, 1));
122 assertThrowsAIOOB(() -> Arrays.spliterator(new String[]{}, 0, 1));
123 }
124
125
126 @Test
127 public void testSpliteratorNPEsFromSpliterators() {
128 assertThrowsNPE(() -> Spliterators.spliterator((int[]) null, 0, 0, 0));
129 assertThrowsNPE(() -> Spliterators.spliterator((long[]) null, 0, 0, 0));
130 assertThrowsNPE(() -> Spliterators.spliterator((double[]) null, 0, 0, 0));
131 assertThrowsNPE(() -> Spliterators.spliterator((String[]) null, 0, 0, 0));
132
133 assertThrowsNPE(() -> Spliterators.spliterator((Integer[]) null, 0, 0, 0));
134 assertThrowsNPE(() -> Spliterators.spliterator((Long[]) null, 0, 0, 0));
135 assertThrowsNPE(() -> Spliterators.spliterator((Optional[]) null, 0, 0, 0));
136 assertThrowsNPE(() -> Spliterators.spliterator((LocalDate[]) null, 0, 0, 0));
137 }
138
139 @Test
140 public void testSpliteratorAIOBEsFromSpliterators() {
141 // origin > fence
142 assertThrowsAIOOB(() -> Spliterators.spliterator(new int[]{}, 1, 0, 0));
143 assertThrowsAIOOB(() -> Spliterators.spliterator(new long[]{}, 1, 0, 0));
144 assertThrowsAIOOB(() -> Spliterators.spliterator(new double[]{}, 1, 0, 0));
145 assertThrowsAIOOB(() -> Spliterators.spliterator(new String[]{}, 1, 0, 0));
146
147 // bad origin
148 assertThrowsAIOOB(() -> Spliterators.spliterator(new int[]{}, -1, 0, 0));
149 assertThrowsAIOOB(() -> Spliterators.spliterator(new long[]{}, -1, 0, 0));
150 assertThrowsAIOOB(() -> Spliterators.spliterator(new double[]{}, -1, 0, 0));
151 assertThrowsAIOOB(() -> Spliterators.spliterator(new String[]{}, -1, 0, 0));
152
153 // bad fence
154 assertThrowsAIOOB(() -> Spliterators.spliterator(new int[]{}, 0, 1, 0));
155 assertThrowsAIOOB(() -> Spliterators.spliterator(new long[]{}, 0, 1, 0));
156 assertThrowsAIOOB(() -> Spliterators.spliterator(new double[]{}, 0, 1, 0));
157 assertThrowsAIOOB(() -> Spliterators.spliterator(new String[]{}, 0, 1, 0));
158 }
159
160 void assertThrowsNPE(Executable r) {
161 assertThrows(NullPointerException.class, r);
162 }
163
164 void assertThrowsAIOOB(Executable r) {
165 assertThrows(ArrayIndexOutOfBoundsException.class, r);
166 }
167 }