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
32 import java.util.Arrays;
33 import java.util.Spliterators;
34
35 import static org.junit.jupiter.api.Assertions.assertThrows;
36 import org.junit.jupiter.api.Test;
37 import org.junit.jupiter.api.function.Executable;
38
39 public class StreamAndSpliterator {
40 @Test
41 public void testStreamNPEs() {
42 assertThrowsNPE(() -> Arrays.stream((int[]) null, 0, 0));
43 assertThrowsNPE(() -> Arrays.stream((long[]) null, 0, 0));
44 assertThrowsNPE(() -> Arrays.stream((double[]) null, 0, 0));
45 assertThrowsNPE(() -> Arrays.stream((String[]) null, 0, 0));
46 }
47
48 @Test
49 public void testStreamAIOBEs() {
50 // origin > fence
51 assertThrowsAIOOB(() -> Arrays.stream(new int[]{}, 1, 0));
52 assertThrowsAIOOB(() -> Arrays.stream(new long[]{}, 1, 0));
53 assertThrowsAIOOB(() -> Arrays.stream(new double[]{}, 1, 0));
54 assertThrowsAIOOB(() -> Arrays.stream(new String[]{}, 1, 0));
55
56 // bad origin
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 // bad fence
63 assertThrowsAIOOB(() -> Arrays.stream(new int[]{}, 0, 1));
64 assertThrowsAIOOB(() -> Arrays.stream(new long[]{}, 0, 1));
65 assertThrowsAIOOB(() -> Arrays.stream(new double[]{}, 0, 1));
66 assertThrowsAIOOB(() -> Arrays.stream(new String[]{}, 0, 1));
67 }
68
69
70 @Test
71 public void testSpliteratorNPEs() {
72 assertThrowsNPE(() -> Arrays.spliterator((int[]) null, 0, 0));
73 assertThrowsNPE(() -> Arrays.spliterator((long[]) null, 0, 0));
74 assertThrowsNPE(() -> Arrays.spliterator((double[]) null, 0, 0));
75 assertThrowsNPE(() -> Arrays.spliterator((String[]) null, 0, 0));
76 }
77
78 @Test
79 public void testSpliteratorAIOBEs() {
80 // origin > fence
81 assertThrowsAIOOB(() -> Arrays.spliterator(new int[]{}, 1, 0));
82 assertThrowsAIOOB(() -> Arrays.spliterator(new long[]{}, 1, 0));
83 assertThrowsAIOOB(() -> Arrays.spliterator(new double[]{}, 1, 0));
84 assertThrowsAIOOB(() -> Arrays.spliterator(new String[]{}, 1, 0));
85
86 // bad origin
87 assertThrowsAIOOB(() -> Arrays.spliterator(new int[]{}, -1, 0));
88 assertThrowsAIOOB(() -> Arrays.spliterator(new long[]{}, -1, 0));
89 assertThrowsAIOOB(() -> Arrays.spliterator(new double[]{}, -1, 0));
90 assertThrowsAIOOB(() -> Arrays.spliterator(new String[]{}, -1, 0));
91
92 // bad fence
93 assertThrowsAIOOB(() -> Arrays.spliterator(new int[]{}, 0, 1));
94 assertThrowsAIOOB(() -> Arrays.spliterator(new long[]{}, 0, 1));
95 assertThrowsAIOOB(() -> Arrays.spliterator(new double[]{}, 0, 1));
96 assertThrowsAIOOB(() -> Arrays.spliterator(new String[]{}, 0, 1));
97 }
98
99
100 @Test
101 public void testSpliteratorNPEsFromSpliterators() {
102 assertThrowsNPE(() -> Spliterators.spliterator((int[]) null, 0, 0, 0));
103 assertThrowsNPE(() -> Spliterators.spliterator((long[]) null, 0, 0, 0));
104 assertThrowsNPE(() -> Spliterators.spliterator((double[]) null, 0, 0, 0));
105 assertThrowsNPE(() -> Spliterators.spliterator((String[]) null, 0, 0, 0));
106 }
107
108 @Test
109 public void testSpliteratorAIOBEsFromSpliterators() {
110 // origin > fence
111 assertThrowsAIOOB(() -> Spliterators.spliterator(new int[]{}, 1, 0, 0));
112 assertThrowsAIOOB(() -> Spliterators.spliterator(new long[]{}, 1, 0, 0));
113 assertThrowsAIOOB(() -> Spliterators.spliterator(new double[]{}, 1, 0, 0));
114 assertThrowsAIOOB(() -> Spliterators.spliterator(new String[]{}, 1, 0, 0));
115
116 // bad origin
117 assertThrowsAIOOB(() -> Spliterators.spliterator(new int[]{}, -1, 0, 0));
118 assertThrowsAIOOB(() -> Spliterators.spliterator(new long[]{}, -1, 0, 0));
119 assertThrowsAIOOB(() -> Spliterators.spliterator(new double[]{}, -1, 0, 0));
120 assertThrowsAIOOB(() -> Spliterators.spliterator(new String[]{}, -1, 0, 0));
121
122 // bad fence
123 assertThrowsAIOOB(() -> Spliterators.spliterator(new int[]{}, 0, 1, 0));
124 assertThrowsAIOOB(() -> Spliterators.spliterator(new long[]{}, 0, 1, 0));
125 assertThrowsAIOOB(() -> Spliterators.spliterator(new double[]{}, 0, 1, 0));
126 assertThrowsAIOOB(() -> Spliterators.spliterator(new String[]{}, 0, 1, 0));
127 }
128
129 void assertThrowsNPE(Executable r) {
130 assertThrows(NullPointerException.class, r);
131 }
132
133 void assertThrowsAIOOB(Executable r) {
134 assertThrows(ArrayIndexOutOfBoundsException.class, r);
135 }
136 }