1 /*
2 * Copyright (c) 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
24 /**
25 * @test 8037857
26 * @summary tests for stream and spliterator factory methods
27 * @run testng StreamAndSpliterator
28 */
29
30 import org.testng.annotations.Test;
31
32 import java.util.Arrays;
33 import java.util.Spliterators;
34
35 import static org.testng.Assert.assertNotNull;
36
37 public class StreamAndSpliterator {
38 @Test
39 public void testStreamNPEs() {
40 assertThrowsNPE(() -> Arrays.stream((int[]) null, 0, 0));
41 assertThrowsNPE(() -> Arrays.stream((long[]) null, 0, 0));
42 assertThrowsNPE(() -> Arrays.stream((double[]) null, 0, 0));
43 assertThrowsNPE(() -> Arrays.stream((String[]) null, 0, 0));
44 }
45
46 @Test
47 public void testStreamAIOBEs() {
48 // origin > fence
49 assertThrowsAIOOB(() -> Arrays.stream(new int[]{}, 1, 0));
50 assertThrowsAIOOB(() -> Arrays.stream(new long[]{}, 1, 0));
51 assertThrowsAIOOB(() -> Arrays.stream(new double[]{}, 1, 0));
52 assertThrowsAIOOB(() -> Arrays.stream(new String[]{}, 1, 0));
53
54 // bad origin
55 assertThrowsAIOOB(() -> Arrays.stream(new int[]{}, -1, 0));
56 assertThrowsAIOOB(() -> Arrays.stream(new long[]{}, -1, 0));
57 assertThrowsAIOOB(() -> Arrays.stream(new double[]{}, -1, 0));
58 assertThrowsAIOOB(() -> Arrays.stream(new String[]{}, -1, 0));
59
60 // bad fence
61 assertThrowsAIOOB(() -> Arrays.stream(new int[]{}, 0, 1));
62 assertThrowsAIOOB(() -> Arrays.stream(new long[]{}, 0, 1));
63 assertThrowsAIOOB(() -> Arrays.stream(new double[]{}, 0, 1));
64 assertThrowsAIOOB(() -> Arrays.stream(new String[]{}, 0, 1));
65 }
66
67
68 @Test
69 public void testSpliteratorNPEs() {
70 assertThrowsNPE(() -> Arrays.spliterator((int[]) null, 0, 0));
71 assertThrowsNPE(() -> Arrays.spliterator((long[]) null, 0, 0));
72 assertThrowsNPE(() -> Arrays.spliterator((double[]) null, 0, 0));
73 assertThrowsNPE(() -> Arrays.spliterator((String[]) null, 0, 0));
74 }
75
76 @Test
77 public void testSpliteratorAIOBEs() {
78 // origin > fence
79 assertThrowsAIOOB(() -> Arrays.spliterator(new int[]{}, 1, 0));
80 assertThrowsAIOOB(() -> Arrays.spliterator(new long[]{}, 1, 0));
81 assertThrowsAIOOB(() -> Arrays.spliterator(new double[]{}, 1, 0));
82 assertThrowsAIOOB(() -> Arrays.spliterator(new String[]{}, 1, 0));
83
84 // bad origin
85 assertThrowsAIOOB(() -> Arrays.spliterator(new int[]{}, -1, 0));
86 assertThrowsAIOOB(() -> Arrays.spliterator(new long[]{}, -1, 0));
87 assertThrowsAIOOB(() -> Arrays.spliterator(new double[]{}, -1, 0));
88 assertThrowsAIOOB(() -> Arrays.spliterator(new String[]{}, -1, 0));
89
90 // bad fence
91 assertThrowsAIOOB(() -> Arrays.spliterator(new int[]{}, 0, 1));
92 assertThrowsAIOOB(() -> Arrays.spliterator(new long[]{}, 0, 1));
93 assertThrowsAIOOB(() -> Arrays.spliterator(new double[]{}, 0, 1));
94 assertThrowsAIOOB(() -> Arrays.spliterator(new String[]{}, 0, 1));
95 }
96
97
98 @Test
99 public void testSpliteratorNPEsFromSpliterators() {
100 assertThrowsNPE(() -> Spliterators.spliterator((int[]) null, 0, 0, 0));
101 assertThrowsNPE(() -> Spliterators.spliterator((long[]) null, 0, 0, 0));
102 assertThrowsNPE(() -> Spliterators.spliterator((double[]) null, 0, 0, 0));
103 assertThrowsNPE(() -> Spliterators.spliterator((String[]) null, 0, 0, 0));
104 }
105
106 @Test
107 public void testSpliteratorAIOBEsFromSpliterators() {
108 // origin > fence
109 assertThrowsAIOOB(() -> Spliterators.spliterator(new int[]{}, 1, 0, 0));
110 assertThrowsAIOOB(() -> Spliterators.spliterator(new long[]{}, 1, 0, 0));
111 assertThrowsAIOOB(() -> Spliterators.spliterator(new double[]{}, 1, 0, 0));
112 assertThrowsAIOOB(() -> Spliterators.spliterator(new String[]{}, 1, 0, 0));
113
114 // bad origin
115 assertThrowsAIOOB(() -> Spliterators.spliterator(new int[]{}, -1, 0, 0));
116 assertThrowsAIOOB(() -> Spliterators.spliterator(new long[]{}, -1, 0, 0));
117 assertThrowsAIOOB(() -> Spliterators.spliterator(new double[]{}, -1, 0, 0));
118 assertThrowsAIOOB(() -> Spliterators.spliterator(new String[]{}, -1, 0, 0));
119
120 // bad fence
121 assertThrowsAIOOB(() -> Spliterators.spliterator(new int[]{}, 0, 1, 0));
122 assertThrowsAIOOB(() -> Spliterators.spliterator(new long[]{}, 0, 1, 0));
123 assertThrowsAIOOB(() -> Spliterators.spliterator(new double[]{}, 0, 1, 0));
124 assertThrowsAIOOB(() -> Spliterators.spliterator(new String[]{}, 0, 1, 0));
125 }
126
127 void assertThrowsNPE(Runnable r) {
128 NullPointerException caught = null;
129 try {
130 r.run();
131 }
132 catch (NullPointerException e) {
133 caught = e;
134 }
135 assertNotNull(caught, "NullPointerException not thrown");
136 }
137
138 void assertThrowsAIOOB(Runnable r) {
139 ArrayIndexOutOfBoundsException caught = null;
140 try {
141 r.run();
142 }
143 catch (ArrayIndexOutOfBoundsException e) {
144 caught = e;
145 }
146 assertNotNull(caught, "ArrayIndexOutOfBoundsException not thrown");
147 }
148 }