1 /*
2 * Copyright (c) 2007, 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
26 * @bug 6529795
27 * @summary next() does not change iterator state if throws NoSuchElementException
28 * @author Martin Buchholz
29 */
30
31 import java.util.ArrayDeque;
32 import java.util.ArrayList;
33 import java.util.Collection;
34 import java.util.HashMap;
35 import java.util.Hashtable;
36 import java.util.IdentityHashMap;
37 import java.util.Iterator;
38 import java.util.LinkedHashMap;
39 import java.util.LinkedList;
40 import java.util.List;
41 import java.util.ListIterator;
42 import java.util.Map;
43 import java.util.NoSuchElementException;
44 import java.util.PriorityQueue;
45 import java.util.TreeMap;
46 import java.util.TreeSet;
82 testMap(new Hashtable());
83 testMap(new LinkedHashMap());
84 testMap(new WeakHashMap());
85 testMap(new IdentityHashMap());
86 testMap(new ConcurrentHashMap());
87 testMap(new ConcurrentSkipListMap());
88 testMap(new TreeMap());
89 }
90
91 static void testCollection(Collection c) {
92 try {
93 for (int i = 0; i < SIZE; i++)
94 c.add(i);
95 test(c);
96 } catch (Throwable t) { unexpected(t); }
97 }
98
99 static void testMap(Map m) {
100 try {
101 for (int i = 0; i < 3*SIZE; i++)
102 m.put(i, i);
103 test(m.values());
104 test(m.keySet());
105 test(m.entrySet());
106 } catch (Throwable t) { unexpected(t); }
107 }
108
109 static void test(Collection c) {
110 try {
111 final Iterator it = c.iterator();
112 THROWS(NoSuchElementException.class,
113 () -> { while (true) it.next(); });
114 try { it.remove(); }
115 catch (UnsupportedOperationException exc) { return; }
116 pass();
117 } catch (Throwable t) { unexpected(t); }
118
119 if (c instanceof List) {
120 final List list = (List) c;
121 try {
122 final ListIterator it = list.listIterator(0);
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1 /*
2 * Copyright (c) 2007, 2024, 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 6529795 8336669
27 * @summary next() does not change iterator state if throws NoSuchElementException
28 * @author Martin Buchholz
29 */
30
31 import java.util.ArrayDeque;
32 import java.util.ArrayList;
33 import java.util.Collection;
34 import java.util.HashMap;
35 import java.util.Hashtable;
36 import java.util.IdentityHashMap;
37 import java.util.Iterator;
38 import java.util.LinkedHashMap;
39 import java.util.LinkedList;
40 import java.util.List;
41 import java.util.ListIterator;
42 import java.util.Map;
43 import java.util.NoSuchElementException;
44 import java.util.PriorityQueue;
45 import java.util.TreeMap;
46 import java.util.TreeSet;
82 testMap(new Hashtable());
83 testMap(new LinkedHashMap());
84 testMap(new WeakHashMap());
85 testMap(new IdentityHashMap());
86 testMap(new ConcurrentHashMap());
87 testMap(new ConcurrentSkipListMap());
88 testMap(new TreeMap());
89 }
90
91 static void testCollection(Collection c) {
92 try {
93 for (int i = 0; i < SIZE; i++)
94 c.add(i);
95 test(c);
96 } catch (Throwable t) { unexpected(t); }
97 }
98
99 static void testMap(Map m) {
100 try {
101 for (int i = 0; i < 3*SIZE; i++)
102 m.put("BASE-" + i, i);
103 test(m.values());
104 test(m.keySet());
105 test(m.entrySet());
106 } catch (Throwable t) { unexpected(t); }
107 }
108
109 static void test(Collection c) {
110 try {
111 final Iterator it = c.iterator();
112 THROWS(NoSuchElementException.class,
113 () -> { while (true) it.next(); });
114 try { it.remove(); }
115 catch (UnsupportedOperationException exc) { return; }
116 pass();
117 } catch (Throwable t) { unexpected(t); }
118
119 if (c instanceof List) {
120 final List list = (List) c;
121 try {
122 final ListIterator it = list.listIterator(0);
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