util/IdentityHashMap/ToString.java

/*
 * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * @test
 * @bug     4973432
 * @summary Test that toString on entrySet Iterator/Entry behaves reasonably
 * @author  Josh Bloch
 */


import java.util.*;

public class ToString {
    public static void main(String[] args) {
        Map<String, String> m = new IdentityHashMap<String, String>();
        Set<Map.Entry<String, String>> es = m.entrySet();
        m.put("beer", "good");
        Iterator<Map.Entry<String, String>> i = es.iterator();
        System.out.println(i); // Used to throw exception
        i.next();
        System.out.println(i);
    }
}
Revision:	1.4
Committed:	Tue Sep 15 04:57:49 2015 UTC (8 years, 8 months ago) by jsr166
Branch:	MAIN
Changes since 1.3:	+0 -2 lines
Log Message:	merge upstream changes
#	User	Rev	Content
1	jsr166	1.1	/*
2	jsr166	1.2	* Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
3	jsr166	1.1	* 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	jsr166	1.2	* 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	jsr166	1.1	*/
23
24			/*
25			* @test
26			* @bug 4973432
27			* @summary Test that toString on entrySet Iterator/Entry behaves reasonably
28			* @author Josh Bloch
29			*/
30
31
32			import java.util.*;
33
34			public class ToString {
35			public static void main(String[] args) {
36			Map<String, String> m = new IdentityHashMap<String, String>();
37			Set<Map.Entry<String, String>> es = m.entrySet();
38			m.put("beer", "good");
39			Iterator<Map.Entry<String, String>> i = es.iterator();
40			System.out.println(i); // Used to throw exception
41			i.next();
42			System.out.println(i);
43			}
44			}